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<!-- DFIN New ActiveDisclosure (SM) XBRL Linkbase Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2023-05-11T12:47:11.4885+00:00 -->
<!-- Copyright (c) 2023 Donnelly Financial Solutions, Inc. All Rights Reserved. -->
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateAndConstructionInProcessIncludedInAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate and construction in process included in accounts payable and accrued liabilities.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateAndConstructionInProcessIncludedInAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate And Construction In Process Included In Accounts Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateAndConstructionInProcessIncludedInAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real estate and construction in process included in accounts payable and accrued liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ScarboroughOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Scarborough, Ontario</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ScarboroughOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scarborough Ontario [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ScarboroughOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Scarborough,&#160;Ontario.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-term Line of Credit, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Outstanding amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding balance on credit facility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Line of Credit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSharesExchangedInConnectionWithMerger_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares exchanged in connection with merger</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSharesExchangedInConnectionWithMerger_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Shares Exchanged In Connection With Merger</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSharesExchangedInConnectionWithMerger_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares exchanged in connection with merger.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Amendment Flag</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Maturity, Year Four</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PartnersCapitalAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noncontrolling interests in our Operating Partnership</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PartnersCapitalAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Partners' Capital Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIITenantProtectionProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Growth Trust I I I Tenant Protection Program Revenue [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIITenantProtectionProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Growth Trust I I I Tenant Protection Program Revenue [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIITenantProtectionProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Growth Trust I I I Tenant Protection Program Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial maximum amount available</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Interest Rate During Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedREITPlatformExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Managed REIT Platform Expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedREITPlatformExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Managed R E I T Platform Expenses [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedREITPlatformExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Managed REIT platform expenses.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Redemptions of common stock (in shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redemptions of common stock (in shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Redeemed or Called During Period, Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ExecutiveOfficerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Executive Officers</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ExecutiveOfficerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Executive Officer [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Goodwill, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Goodwill, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Goodwill, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentQuarterlyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Quarterly Report</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentQuarterlyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Quarterly Report</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Long-Term Debt Instruments [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DupontOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dupont, Ontario</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DupontOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dupont, Ontario [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DupontOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dupont, Ontario [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommonCassWMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class W</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommonCassWMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Cass W [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommonCassWMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common cass W.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RateOfDistributionsPayableMonthlyInArrears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rate of distributions payable monthly in arrears</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RateOfDistributionsPayableMonthlyInArrears_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rate Of Distributions Payable Monthly In Arrears</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RateOfDistributionsPayableMonthlyInArrears_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rate of distributions payable monthly in arrears.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Un-Vested Share Activity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Nonvested Share Activity [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Per Share Data</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MaximumDealerManagerCommissionFeesPercentageOfProceedFromPrimaryOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum dealer manager commission fee percentage of proceeds from Primary Offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MaximumDealerManagerCommissionFeesPercentageOfProceedFromPrimaryOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Dealer Manager Commission Fees Percentage Of Proceed From Primary Offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MaximumDealerManagerCommissionFeesPercentageOfProceedFromPrimaryOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum dealer manager commission fees percentage of proceed from primary offering.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDividendsReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Dividends Received</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDividendsReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend distribution received</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeyBankSstIvCmbsLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">KeyBank SST IV CMBS Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeyBankSstIvCmbsLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Key Bank Sst Iv Cmbs Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeyBankSstIvCmbsLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">KeyBank SST IV CMBS loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Distributions in Excess of Net Income [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill Valuation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying Value of Investment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OrganizationAndNatureOfOperationsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization And Nature Of Operations [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OrganizationAndNatureOfOperationsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization And Nature Of Operations [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OrganizationAndNatureOfOperationsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization and Nature of Operations [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LongTermIncentivePlanUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">LTIP Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LongTermIncentivePlanUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Incentive Plan Units [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LongTermIncentivePlanUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Long term incentive plan units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LongTermIncentivePlanUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Unvested LTIP Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInvestmentsInRealEstateJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments in real estate joint ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInvestmentsInRealEstateJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Investments In Real Estate Joint Ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInvestmentsInRealEstateJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, recognized identifiable assets acquired and liabilities assumed, investments in real estate joint ventures.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Effective Date of Acquisition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LondonInterbankOfferedRateLIBORMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">LIBOR</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LondonInterbankOfferedRateLIBORMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">London Interbank Offered Rate (LIBOR) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Preferred Stock, Shares Outstanding, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Preferred Stock, Shares Outstanding, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred shares outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Acquisition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PercentageOfRevenueFromTenantProtectionPrograms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of revenue from tenant protection programs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PercentageOfRevenueFromTenantProtectionPrograms_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage Of Revenue From Tenant Protection Programs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PercentageOfRevenueFromTenantProtectionPrograms_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Revenue From Tenant Protection Programs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveJuneTwentyEightTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SOFR Cap June 28, 2024</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveJuneTwentyEightTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Overnight Financing Rate Sofr Overnight Index Effective June Twenty Eight Two Thousand Twenty Four [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveJuneTwentyEightTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Secured overnight financing rate sofr overnight index effective june twenty eight two thousand twenty four member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Site Improvements</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Land Improvements [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LossContingencyOtherNonCancellableFuturePaymentsDueInYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loss contingency other non cancellable future payments due in year one.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LossContingencyOtherNonCancellableFuturePaymentsDueInYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingency Other Non-Cancellable Future Payments Due in Year One</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LossContingencyOtherNonCancellableFuturePaymentsDueInYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss contingency other non-cancellable future payments due in year one</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Distributions paid to common stockholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Ordinary Dividends, Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DepreciationOfPersonalPropertyAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation of Personal Property Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DepreciationOfPersonalPropertyAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation Of Personal Property Assets Policy [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DepreciationOfPersonalPropertyAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Depreciation Of Personal Property Assets Policy [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Unvested Weighted-Average Grant-Date Fair Value, Beginning balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Unvested Weighted-Average Grant-Date Fair Value, Ending balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unvested Weighted-Average Grant-Date Fair Value, Vested</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock, par value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Par or Stated Value Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIIAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Growth Trust I I I Advisory Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIIAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Growth Trust I I I Advisory Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIIAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Growth Trust I I I Advisory Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTIVMergerAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SST IV Merger Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTIVMergerAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">S S T I V Merger Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTIVMergerAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SST IV merger agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NatureOfOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NatureOfOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nature of Operations [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RedeemablePreferredStockDividends_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Distributions to preferred stockholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RedeemablePreferredStockDividends_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redeemable Preferred Stock Dividends</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Self Administration Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RequiredPercentageOfSelfStorageRelatedAssetsOfMergerEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Required percentage of self storage related assets of merger entity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RequiredPercentageOfSelfStorageRelatedAssetsOfMergerEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Required Percentage Of Self Storage Related Assets Of Merger Entity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RequiredPercentageOfSelfStorageRelatedAssetsOfMergerEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Required percentage of self storage related assets of merger entity.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MidlandNorthCarolinaCmbsLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Midland North Carolina CMBS Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MidlandNorthCarolinaCmbsLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Midland North Carolina Cmbs Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MidlandNorthCarolinaCmbsLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Midland North Carolina CMBS loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flow hedges reclassified to reduce interest expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SacramentoPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sacramento Property.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SacramentoPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sacramento Property [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SacramentoPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sacramento Property [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount borrowed under the credit facility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Maximum Amount Outstanding During Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNoncurrentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt issuance cost, gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNoncurrentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Issuance Cost, Gross, Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SelfAdministrationTransactionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Self Administration Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SelfAdministrationTransactionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Self Administration Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SelfAdministrationTransactionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Self Administration Transaction [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SelfAdministrationTransactionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Self administration transaction.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Issuance Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadaPrimeRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Royal Bank of Canada Prime Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadaPrimeRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Canada Prime Rate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadaPrimeRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Canada prime rate.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstViOpUnitsAndSlpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SST VI OP Units and SLP</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstViOpUnitsAndSlpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SST VI OP Units and SLP [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstViOpUnitsAndSlpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SST VI OP Units and SLP [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeyBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Key Bank [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeyBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Key bank.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeyBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Key Bank [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTVIOPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SST VI OP</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTVIOPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">S S T V I O P [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTVIOPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SST VI OP.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income attributable to other noncontrolling interests</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Declaration of Distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dividends [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities, temporary equity and equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianCitiBankLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Canadian Citi Bank Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianCitiBankLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Canadian Citi Bank Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianCitiBankLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Canadian Citibank loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivables due from related parties</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxPeriodAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Period [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fourth Anniversary</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">preferred stock redemption period four.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SeriesAConvertiblePreferredStockPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Convertible Preferred Stock Purchase Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SeriesAConvertiblePreferredStockPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Convertible Preferred Stock Purchase Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SeriesAConvertiblePreferredStockPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A convertible preferred stock purchase agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Name</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of Credit Facility, Lender</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CMBSSASBLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CMBS SASB Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CMBSSASBLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">C M B S S A S B Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CMBSSASBLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CMBS SASB loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OshawaOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Oshawa, Ontario</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OshawaOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Oshawa Ontario [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OshawaOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Oshawa, Ontario</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Derivative Financial Instruments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Derivative Instruments [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ClassA2UnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Class A-2 Units (contingent earnout)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ClassA2UnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A-2 Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ClassA2UnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class A-2 Units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ClassA2UnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class A-2 Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DescriptionForTerminationOfOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Description for termination of offering.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DescriptionForTerminationOfOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Description For Termination Of Offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DescriptionForTerminationOfOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description for termination of offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Canadian income tax expense (benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Foreign Income Tax Expense (Benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Foreign currency forward contract gains (loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LoanToValueRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan to value ratio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LoanToValueRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan To Value Ratio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LoanToValueRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan to value ratio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Incorporation, State or Country Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, State or Country Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DispositionFeeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposition Fee Member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DispositionFeeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposition Fee [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DispositionFeeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disposition Fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherMinorityInterests_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other noncontrolling interests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherMinorityInterests_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Noncontrolling Interests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LossContingencyOtherNonCancellableFuturePaymentDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss contingency other non-cancellable future payment due year two</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LossContingencyOtherNonCancellableFuturePaymentDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingency Other Non-Cancellable Future Payment Due Year Two</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LossContingencyOtherNonCancellableFuturePaymentDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loss contingency other non-cancellable future payment due year two.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PropertyManagementMonthlyManagementFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Our former external property management fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PropertyManagementMonthlyManagementFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property Management Monthly Management Fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PropertyManagementMonthlyManagementFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Property management monthly management fee.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Secured Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Secured loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase Price Allocation for the Acquisition of a Business</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combinations Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Income [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Comprehensive income attributable to noncontrolling interests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Acquisition, Acquiree</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Acquiree [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest Expense, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Interest expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Accounts Receivable, Allowance for Credit Loss, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Accounts Receivable, Allowance for Credit Loss, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Allowance for Credit Loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for doubtful accounts</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInUnconsolidatedRealEstateVenturesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments In Unconsolidated Real Estate Ventures [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInUnconsolidatedRealEstateVenturesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments In Unconsolidated Real Estate Ventures [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInUnconsolidatedRealEstateVenturesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments in unconsolidated real Estate ventures.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Total Assets by Segment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reconciliation of Assets from Segment to Consolidated [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateInvestmentsUnconsolidatedRealEstateVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments in unconsolidated real estate ventures (Note 4)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateInvestmentsUnconsolidatedRealEstateVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Investments Unconsolidated Real Estate Ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateInvestmentsUnconsolidatedRealEstateVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate investments unconsolidated real estate ventures.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net [income (loss)] to net cash provided by operating activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Name of Property</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Name of Property [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MasterMortgageCommitmentAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Master Mortgage Commitment Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MasterMortgageCommitmentAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Master Mortgage Commitment Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MasterMortgageCommitmentAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Master mortgage commitment agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Instruments And Hedging Activities Disclosures [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosures [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ClassA1UnitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Class A-1 Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ClassA1UnitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A-1 Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ClassA1UnitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class A1 Unit [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ClassA1UnitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class A-1 Unit.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RepaymentOfAccruedInterestDue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repayment of accrued interest due</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RepaymentOfAccruedInterestDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayment of Accrued Interest Due</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RepaymentOfAccruedInterestDue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayment of accrued interest due</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Net deferred tax liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net deferred tax liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Canadian real estate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmartstopAssetManagementLimitedLiabilityCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SmartStop Asset Management</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmartstopAssetManagementLimitedLiabilityCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Smartstop Asset Management Limited Liability Company [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmartstopAssetManagementLimitedLiabilityCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SmartStop Asset Management Limited Liability Company [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of the Company's Income Tax Expense (Benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">State income tax expense (benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">State and Local Income Tax Expense (Benefit), Continuing Operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MaximumPurchaseCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum purchase commitment amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MaximumPurchaseCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Purchase Commitment Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MaximumPurchaseCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum purchase commitment amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OxfordPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Oxford Property Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OxfordPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Oxford Property [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OxfordPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Oxford property member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_EquityMethodInvesteeNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Name [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateFacilityAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Facility acquisitions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateFacilityAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Facility Acquisitions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateFacilityAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate facility acquisitions.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfOperatingSelfStorageProperty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of operating self storage property.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfOperatingSelfStorageProperty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Operating Self Storage Property</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfOperatingSelfStorageProperty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of operating self storage property</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_USD_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">USD</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_USD_lbl" xlink:role="http://www.xbrl.org/2003/role/label">United States of America, Dollars</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_EmployeeAndDirectorLongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee and Director Long-term Incentive Plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_EmployeeAndDirectorLongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee And Director Long Term Incentive Plan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_EmployeeAndDirectorLongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee and director long-term incentive plan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RentalIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rental Income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RentalIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rental Income [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RentalIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rental income .</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Small Business</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Small Business</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of reportable business segments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Reportable Segments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ConvertiblePreferredStockPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Preferred Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ConvertiblePreferredStockPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Preferred Stock Policy [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ConvertiblePreferredStockPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policy for convertible preferred stock.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendPaymentTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock payment description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendPaymentTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Dividend Payment Terms</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022 Net Operating Income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignExchangeForwardMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Foreign Exchange Forwards</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignExchangeForwardMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign Currency Forward</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignExchangeForwardMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Exchange Forward [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdditionalPreferredDebtInOperatingPartnership_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional Preferred Debt In Operating Partnership</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdditionalPreferredDebtInOperatingPartnership_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Preferred Debt In Operating Partnership</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdditionalPreferredDebtInOperatingPartnership_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Preferred Debt In Operating Partnership</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UpToSecondAnniversaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Up to Second Anniversary</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UpToSecondAnniversaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Up To Second Anniversary [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UpToSecondAnniversaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Up to second anniversary.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KingspointOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Kingspoint Ontario</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KingspointOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Kingspoint Ontario [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KingspointOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Kingspoint,&#160;Ontario</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="stpr_FL_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Riverview, Florida</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="stpr_FL_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Florida</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="stpr_FL_lbl" xlink:role="http://www.xbrl.org/2003/role/label">FLORIDA</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredOther1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preexisting investments in and advances to SSGT II</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredOther1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred, Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Redemptions of common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redemptions of common stock, value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Redeemed or Called During Period, Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, Redemption, Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Redemption, Period [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Canadian income tax expense (benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Income Tax Expense (Benefit), Continuing Operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property Plant And Equipment [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfOperatingRealEstateProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of operating real estate properties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfOperatingRealEstateProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of operating self storage facilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfOperatingRealEstateProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Operating Real Estate Properties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfOperatingRealEstateProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of operating real estate properties.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionFeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition Fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionFeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisition Fees [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionFeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Acquisition fees member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_IncrementalAssetsUnderManagement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incremental assets under management</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_IncrementalAssetsUnderManagement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incremental Assets Under Management</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_IncrementalAssetsUnderManagement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Incremental assets under management.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of membership interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average number of shares outstanding- basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Basic, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">City Area Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AccretionOfFairMarketValueOfSecuredDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accretion of fair market value adjustment of secured debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AccretionOfFairMarketValueOfSecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest expense &#8211; accretion of fair market value of secured debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AccretionOfFairMarketValueOfSecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accretion Of Fair Market Value Of Secured Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AccretionOfFairMarketValueOfSecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accretion of fair market value of secured debt.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ReimbursableCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reimbursable costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ReimbursableCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reimbursable Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ReimbursableCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reimbursable costs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PostemploymentBenefitPlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Postemployment Benefit Plans, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PostemploymentBenefitPlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee Benefit Plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Summarized Real Estate Secured Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Debt [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ConversionOfPartnershipUnitsRequisiteMinimumPeriodOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Requisite minimum outstanding period for conversion eligibility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ConversionOfPartnershipUnitsRequisiteMinimumPeriodOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion Of Partnership Units Requisite Minimum Period Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ConversionOfPartnershipUnitsRequisiteMinimumPeriodOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Conversion of partnership units requisite minimum period outstanding.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TwoThousandAndTwentyPerformanceGrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2020 Performance Grant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TwoThousandAndTwentyPerformanceGrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand And Twenty Performance Grant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TwoThousandAndTwentyPerformanceGrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two Thousand And Twenty Performance Grant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LatestTaxYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Latest Tax Year [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdministrativeFeesExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Administrative service fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdministrativeFeesExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Administrative Fees Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveDecemberTwoTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SOFR Cap December 2, 2024</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveDecemberTwoTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Overnight Financing Rate Sofr Overnight Index Effective December Two Two Thousand Twenty Four Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveDecemberTwoTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Secured overnight financing rate sofr overnight index effective december two two thousand twenty four.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of credit facility, annual unused fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Unused Capacity, Commitment Fee Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TrademarksPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trademarks</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TrademarksPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trademarks Policy [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TrademarksPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Trademarks.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockLiquidationPreferenceValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate liquidation preference</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockLiquidationPreferenceValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Liquidation Preference, Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Increased the principal borrowing amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Line of Credit Facility, Increase (Decrease), Net, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of credit facility, increase (decrease), net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Increase (Decrease), Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherRelatedPartyTransactionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherRelatedPartyTransactionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Related Party Transaction [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherRelatedPartyTransactionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other Related Party Transaction [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Assets, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Stock Issuance Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted Stock Awards</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Unvested Restricted Stock Awards</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments in Unconsolidated Real Estate Ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investments and Joint Ventures Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UpToThirdAnniversaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Up to Third Anniversary</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UpToThirdAnniversaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Up To Third Anniversary [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UpToThirdAnniversaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Up to third anniversary.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendRatePercentageIncreasePerAnnum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend rate percentage of increase on preferred stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendRatePercentageIncreasePerAnnum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividend Rate Percentage Increase Per Annum</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendRatePercentageIncreasePerAnnum_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dividend rate percentage increase per annum.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation adjustment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other comprehensive income loss foreign currency translation adjustment net of tax.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedREITSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Managed REITs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedREITSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Managed REITS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedREITSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Managed R E I T S [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedREITSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Managed REITs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Reportable Segments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Segment Reporting Information, by Segment [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total estimated future amortization expense of intangible assets, year 2022</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year One</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TrademarksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trademarks</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TrademarksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trademarks [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Growth Trust II Property Management Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Growth Trust I I Property Management Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Growth Trust II Property Management Agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateFacilitiesForeignExchangeGainLossImpact_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impact of foreign exchange rate changes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateFacilitiesForeignExchangeGainLossImpact_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Facilities Foreign Exchange Gain Loss Impact</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateFacilitiesForeignExchangeGainLossImpact_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate facilities foreign exchange gain loss impact.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Investments in Unconsolidated Real Estate Ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investments [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustVIAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Trust VI Advisory Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustVIAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Trust V I Advisory Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustVIAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Trust VI Advisory Agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total noncontrolling interests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RegentOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Regent, Ontario</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RegentOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Regent, Ontario [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RegentOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Regent, Ontario Member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, after Year Five</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total estimated future amortization expense of intangible assets, thereafter</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, voting rights condition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Voting Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Asset</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022 Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Real estate facilities, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Investments, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MarkhamOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Markham, Ontario</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MarkhamOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Markham, Ontario [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MarkhamOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Markham, Ontario member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Contract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Contract [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockValueSharesIssuedNetOfTaxWithholdings_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Restricted stock withholding for payroll taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockValueSharesIssuedNetOfTaxWithholdings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted stock withholding for payroll taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockValueSharesIssuedNetOfTaxWithholdings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Stock, Value, Shares Issued Net of Tax Withholdings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRealEstatePropertiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Activity in Real Estate Facilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRealEstatePropertiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Real Estate Properties [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AccretionOfFinancingFeeRevenues_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accretion of financing fee revenues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AccretionOfFinancingFeeRevenues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accretion Of Financing Fee Revenues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AccretionOfFinancingFeeRevenues_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accretion of financing fee revenues.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income (expense)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income (Expense) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum annual contributions per employee, percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Diluted, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income (loss) per Class A &amp; Class T share - diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradeAndOtherAccountsReceivablePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for Doubtful Accounts</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradeAndOtherAccountsReceivablePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSharesIssuableUponConversionOfPartnershipUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares issuable upon conversion of partnership units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSharesIssuableUponConversionOfPartnershipUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Shares Issuable Upon Conversion Of Partnership Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSharesIssuableUponConversionOfPartnershipUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares issuable upon conversion of partnership units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TwothousandthirtytwoprivateplacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2032 Private Placement Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TwothousandthirtytwoprivateplacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Thirty Two Private Placement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TwothousandthirtytwoprivateplacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand thirty two private placement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Antidilutive Shares Excluded from Computation of Earnings per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockRedemptionPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock redemption premium</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockRedemptionPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Redemption Premium</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_WalnutGrovePropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Walnut Grove Property</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_WalnutGrovePropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Walnut Grove Property [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_WalnutGrovePropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Walnut grove property.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSelfStorageRealEstateJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of self storage real estate joint ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSelfStorageRealEstateJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Self Storage Real Estate Joint Ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSelfStorageRealEstateJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of self storage real estate joint ventures.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Postal Zip Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OakvilleIIIBMOLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Oakville III BMO Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OakvilleIIIBMOLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Oakville I I I B M O Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OakvilleIIIBMOLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Oakville III BMO Loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashAdjustmentFromEquityMethodInvestmentsInJointVentureProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non cash adjustment from equity method investments in JV Properties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashAdjustmentFromEquityMethodInvestmentsInJointVentureProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Cash Adjustment From Equity Method Investments In Joint Venture Properties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashAdjustmentFromEquityMethodInvestmentsInJointVentureProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non cash adjustment from equity method investments in JV Properties.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityIssuedInBusinessCombinationFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityIssuedInBusinessCombinationFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Issued in Business Combination, Fair Value Disclosure</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Period Focus</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AcquisitionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost related to acquisition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AcquisitionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisition Costs, Period Cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OrganizationAndNatureOfOperationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization And Nature Of Operations [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OrganizationAndNatureOfOperationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization And Nature Of Operations [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OrganizationAndNatureOfOperationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization and nature of operations.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Restricted Cash, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cost of Goods and Services Sold, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Goods and Services Sold</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain (Loss) Recognized in OCI</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateInvestmentPropertyAtCostExcludingConstructionInProgress_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Real estate facilities, beginning balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateInvestmentPropertyAtCostExcludingConstructionInProgress_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Real estate facilities, ending balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateInvestmentPropertyAtCostExcludingConstructionInProgress_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Investment Property At Cost Excluding Construction In Progress</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateInvestmentPropertyAtCostExcludingConstructionInProgress_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate investment property at cost excluding construction in progress.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LineOfCreditFacilityIncreasedAmountBasedOnConditions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increased amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LineOfCreditFacilityIncreasedAmountBasedOnConditions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line Of Credit Facility Increased Amount Based On Conditions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LineOfCreditFacilityIncreasedAmountBasedOnConditions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Line of credit facility increased amount based on conditions.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Current income tax expense (benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current income tax expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Current Income Tax Expense (Benefit), Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Income Tax Expense (Benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Revolving Credit Facility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facility Revolver</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revolving Credit Facility [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Valuation allowance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation allowance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Valuation Allowance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_EffectiveDateOfForeignCurrencyDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign Currency Forward, Effective Date or Date Assumed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_EffectiveDateOfForeignCurrencyDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Date Of Foreign Currency Derivatives</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_EffectiveDateOfForeignCurrencyDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective date of foreign currency derivatives.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by financing activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Financing Activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DerivativeStrikeRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate Swaps, Strike</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DerivativeStrikeRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Strike Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DerivativeStrikeRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Derivative strike rate.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_IncomeTaxLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_IncomeTaxLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Line items represent income taxes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Debt, Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BramptonOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Brampton, Ontario</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BramptonOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Brampton Ontario [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BramptonOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Brampton, Ontario.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIITenantProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Growth Trust II Tenant Program Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIITenantProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Growth Trust I I Tenant Program Revenue [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIITenantProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Growth Trust II Tenant Program Revenue Member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="stpr_CA_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">California</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="stpr_CA_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CALIFORNIA</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DistributionReinvestmentPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distribution Reinvestment Plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DistributionReinvestmentPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Reinvestment Plan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DistributionReinvestmentPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Distribution reinvestment plan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Financial Position [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ForeignCurrencyDerivativesNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign Currency Forward, Notional Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ForeignCurrencyDerivativesNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Derivatives Notional Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ForeignCurrencyDerivativesNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Foreign currency derivatives notional amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock, shares issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Shares Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeyBankPropertyLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">KeyBank Property Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeyBankPropertyLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Key Bank Property Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeyBankPropertyLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">KeyBank Property Loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInUnconsolidatedRealEstateVenturesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments In Unconsolidated Real Estate Ventures [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInUnconsolidatedRealEstateVenturesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments In Unconsolidated Real Estate Ventures [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInUnconsolidatedRealEstateVenturesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments in Unconsolidated Real Estate Ventures tabe</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity File Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Act File Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain on foreign currency contract, portion that is not designated for hedge accounting</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares issued pursuant to distribution reinvestment plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of shares for distribution reinvestment plan (in shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Dividend Reinvestment Plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PerformanceBasedAwardsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Performance Based Awards</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PerformanceBasedAwardsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Performance Based Awards [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PerformanceBasedAwardsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Performance based awards.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SubordinatedDistributionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subordinated distribution value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SubordinatedDistributionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subordinated Distribution Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SubordinatedDistributionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subordinated distribution value.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SaleCommissionFeesPercentageOfProceedFromPrimaryOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale commission fees percentage of proceed from Primary Offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SaleCommissionFeesPercentageOfProceedFromPrimaryOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale Commission Fees Percentage Of Proceed From Primary Offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SaleCommissionFeesPercentageOfProceedFromPrimaryOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale commission fees percentage of proceed from primary offering.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Line of credit facility, current borrowing capacity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of credit facility, initial drawn amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Current Borrowing Capacity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfDevelopmentRealEstateProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of development real estate properties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfDevelopmentRealEstateProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of parcels of land in various stages of development into self storage facilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfDevelopmentRealEstateProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Development Real Estate Properties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfDevelopmentRealEstateProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of development real estate properties.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Identifiable Assets Acquired at Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets Acquired:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Geographical</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SAMAndAffiliatesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SAM and Affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SAMAndAffiliatesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">S A M And Affiliates [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SAMAndAffiliatesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SAM and affiliates.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Stockholders' Equity [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StJohnsPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">St. Johns Property</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StJohnsPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">St. Johns Property.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StJohnsPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">St. Johns Property [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Land</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterestAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Comprehensive income attributable to noncontrolling interests:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterestAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfRealEstateVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of real estate ventures.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfRealEstateVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Real Estate Ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfRealEstateVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of unconsolidated real estate ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSelfStorageUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of self storage units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSelfStorageUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Self Storage Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSelfStorageUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of self storage units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingCashFlowsDirectMethodAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Cash Flows, Direct Method [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MezzanineLoanFunding_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">SST VI Mezzanine loan funding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MezzanineLoanFunding_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mezzanine loan funding.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MezzanineLoanFunding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mezzanine Loan Funding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetManagement1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset Management</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetManagement1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Management [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue Recognition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Legal Entity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legal Entity [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIiiAcquisitionFeesRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Growth Trust III Acquisition Fees Revenue[Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIiiAcquisitionFeesRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Growth Trust III Acquisition Fees Revenue[Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIiiAcquisitionFeesRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Growth Trust III Acquisition Fees Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfSecuredDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Scheduled principal payments on non-revolver debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfSecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Secured Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity method investment, ownership percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investment, Ownership Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdministrativeServicesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Administrative Services Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdministrativeServicesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Administrative Services Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdministrativeServicesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Administrative Services Agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationsPurchasePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business Combinations Purchase Price Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationsPurchasePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combinations Purchase Price Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationsPurchasePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase Price Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfer Agent Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transfer Agent Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Transfer agent agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareBasedCompensationArrangementByShareBasedPaymentAwardVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation arrangement by share based payment award voting rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareBasedCompensationArrangementByShareBasedPaymentAwardVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Voting Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareBasedCompensationArrangementByShareBasedPaymentAwardVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award voting rights.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputDiscountForLackOfMarketabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minority and Marketability Discount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputDiscountForLackOfMarketabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Discount for Lack of Marketability [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Building</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Buildings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Buildings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term Debt, Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RatioOfIndebtednessToNetCapital1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ratio of Indebtedness to Net Capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RatioOfIndebtednessToNetCapital1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of Total Indebtedness</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred income tax expense (benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Deferred income tax benefit (expense)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Income Tax Expense (Benefit), Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Expense (Benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiOpUnitsAndSlpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SSGT III OP Units and SLP</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiOpUnitsAndSlpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SSGT III OP Units and SLP [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiOpUnitsAndSlpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SSGT III OP Units and SLP.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Income Tax Liabilities, Net, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Liabilities, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated Useful Lives used to Depreciate Real Property Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AccordionFeatureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accordion Feature</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AccordionFeatureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accordion Feature [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AccordionFeatureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accordion feature.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PrimaryOfferingFormerDealerManagerAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Primary Offering Former Dealer Manager Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PrimaryOfferingFormerDealerManagerAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Primary Offering Former Dealer Manager Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PrimaryOfferingFormerDealerManagerAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Primary offering former dealer manager agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk, Credit Risk, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related party costs, Incurred</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction, Expenses from Transactions with Related Party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Principal borrowing amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial maximum amount available</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LossContingencyOtherNonCancellableFuturePaymentsDueInYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loss contingency other non-cancellable future payments due in year two.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LossContingencyOtherNonCancellableFuturePaymentsDueInYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingency Other Non-Cancellable Future Payments Due in Year Two</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LossContingencyOtherNonCancellableFuturePaymentsDueInYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss contingency other non-cancellable future payments due in year two</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noncontrolling Interest, Increase from Sale of Parent Equity Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of noncontrolling interest in SST VI Advisor</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Acquisition Cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition Cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Transaction Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_JvPropertiesTenantProtectionProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">JV Properties Tenant Protection Program Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_JvPropertiesTenantProtectionProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">JV Properties Tenant Protection Program Revenue [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_JvPropertiesTenantProtectionProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">JV properties tenant protection program revenue member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessAcquisitionRemainingPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisition remaining percentage of voting interests acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessAcquisitionRemainingPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition Remaining Percentage Of Voting Interests Acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessAcquisitionRemainingPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining percentage of membership interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ScheduleOfRelatedPartyFeesAndReimbursableCostsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Related Party Fees and Reimbursable Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ScheduleOfRelatedPartyFeesAndReimbursableCostsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Related Party Fees And Reimbursable Costs Table [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ScheduleOfRelatedPartyFeesAndReimbursableCostsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of related party fees and reimbursable costs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Events</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average number of shares outstanding, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Average number of common shares outstanding- diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Average number of common shares outstanding- diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Due to Related Parties, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Related party costs, Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due to affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Due to Related Parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ClassAAndTCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A and T Common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ClassAAndTCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class A and T Common Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ClassAAndTCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class A and T Common Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of consideration transferred:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finite-Lived Intangible Assets, Major Class Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdvisoryAgreementAssetManagementFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Monthly asset management fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdvisoryAgreementAssetManagementFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisory Agreement Asset Management Fee Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdvisoryAgreementAssetManagementFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisory Agreement Asset Management Fee Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized compensation expense related to non-vested equity awards</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredUnitsDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of preferred investor distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredUnitsDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Units, Description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueToAffiliates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due to affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueToAffiliates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Due to Affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">General and Administrative Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative Expense [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfTrademarksAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of trademarks acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfTrademarksAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Trademarks Acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfTrademarksAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of trademarks acquired.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RedemptionOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Redemption of common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RedemptionOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redemption Of Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RedemptionOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Redemption of common stock.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAssetReconcilingItemLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting Asset Reconciling Item [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAssetReconcilingItemLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Asset Reconciling Item [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Fiscal Year End Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SeriesAConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Series A Cumulative Preferred Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SeriesAConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Convertible Preferred Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SeriesAConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Convertible Preferred Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SeriesAConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A convertible preferred stock.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeForeignCurrencyOptionStrikePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign Currency Forward, Strike</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosure [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionOfSelfStorageFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition of Self Storage Facility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionOfSelfStorageFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisition Of Self Storage Facility [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionOfSelfStorageFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Acquisition of self storage facility.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain (Loss) Reclassified from OCI</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Depreciation, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeMaturityDates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Maturity Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeMaturityDates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate cap, maturity date</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstViMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SST VI [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash, cash equivalents, and restricted cash beginning of period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Cash, cash equivalents, and restricted cash end of period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtByMaturityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Fiscal Year Maturity [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_IssuanceOfLimitedPartnershipUnitsInOperatingPartnershipInConnectionWithContingentEarnoutRelatedToSelfAdministrationTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of Class A-1 Units in our Operating Partnership in connection with the contingent earnout related to the Self Administration Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_IssuanceOfLimitedPartnershipUnitsInOperatingPartnershipInConnectionWithContingentEarnoutRelatedToSelfAdministrationTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance Of Limited Partnership Units In Operating Partnership In Connection With Contingent Earnout Related To Self Administration Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_IssuanceOfLimitedPartnershipUnitsInOperatingPartnershipInConnectionWithContingentEarnoutRelatedToSelfAdministrationTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of limited partnership units in operating partnership in connection with contingent earnout related to self administration transaction.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_IssuanceOfLimitedPartnershipUnitsInOperatingPartnershipInConnectionWithContingentEarnoutRelatedToSelfAdministrationTransaction_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Issuance of Class A-1 Units in our Operating Partnership in connection with the contingent earnout related to the Self Administration Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PropertyOperatingExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property Operating Expenses</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total equity</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line One</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RedemptionPricePercentageOfPremiumAmountRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premium amount over liquidation amount on redemption, percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RedemptionPricePercentageOfPremiumAmountRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redemption Price Percentage Of Premium Amount Redeemed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RedemptionPricePercentageOfPremiumAmountRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Redemption price percentage of premium amount redeemed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Intangible contract assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible contract assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Intangible Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Effect of Derivative Financial Instruments on Consolidated Statements of Operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments, Gain (Loss) [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateInvestmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real Estate Investment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateInvestmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Investment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average interest rate on debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt, Weighted Average Interest Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noncontrolling Interests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noncontrolling Interest [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesFairValueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivatives Fair Value [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesFairValueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivatives, Fair Value [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments in and Advances to Affiliates Categorization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in and Advances to Affiliates Categorization [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Quarterly Financial Information Disclosure [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finite-Lived Intangible Assets by Major Class</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianEntitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Canadian Entities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianEntitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Canadian Entities [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianEntitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Canadian entities.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Proceeds from Lines of Credit, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from line of credit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Lines of Credit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TenantProtectionProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tenant Protection Program</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TenantProtectionProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tenant Protection Program [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TenantProtectionProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tenant protection program member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental disclosures and non-cash transactions:</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax assets:</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostsIncurredDevelopmentCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fund development costs</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_JvPropertiesPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">JV Properties Property Management Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_JvPropertiesPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">JV Properties Property Management Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_JvPropertiesPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">JV properties property management agreement member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RealEstateAndAccumulatedDepreciationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real Estate And Accumulated Depreciation [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RealEstateAndAccumulatedDepreciationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Income tax (expense) benefit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax (expense) benefit</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredUnitsContributedCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment of preferred investor</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredUnitsContributedCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Units, Contributed Capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedTrademarksGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trademarks acquired amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedTrademarksGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Trademarks, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Balance Sheet Location</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Balance Sheet Location [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Payments to Acquire Property, Plant, and Equipment, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Self storage facility acquired</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSGTMergersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SSGT Mergers.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSGTMergersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">S S G T Mergers [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSGTMergersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SSGT Mergers</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LineOfCreditFacilityExtensionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of credit facility, term of extension options</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LineOfCreditFacilityExtensionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line Of Credit Facility Extension Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LineOfCreditFacilityExtensionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Line of credit facility extension period.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RelatedPartyTransactionPercentageOfSalesPriceOfAssetOnDisposition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party transaction percentage of sales price of asset on disposition.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RelatedPartyTransactionPercentageOfSalesPriceOfAssetOnDisposition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction Percentage of Sales Price of Asset on Disposition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RelatedPartyTransactionPercentageOfSalesPriceOfAssetOnDisposition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rate of disposition fee of contract sales price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInAndAdvancesToAffiliates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInAndAdvancesToAffiliates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments In And Advances To Affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInAndAdvancesToAffiliates_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments in and advances to affiliates.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmartCentresStorageFinanceLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SmartCentres Storage Finance LP</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmartCentresStorageFinanceLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SmartCentres Storage Finance LP.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSiteImprovements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Site improvements</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnForeignCurrencyFairValueHedgeIneffectiveness_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Foreign Currency Fair Value Hedge Ineffectiveness</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetAssetValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Net Asset Value Per Share, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetAssetValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Net Asset Value Per Share, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetAssetValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net asset value per share and redemption price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetAssetValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Asset Value Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicTransferAgentServicesLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Strategic Transfer Agent Services, LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicTransferAgentServicesLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Transfer Agent Services, LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicTransferAgentServicesLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Transfer Agent Services Llc [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicTransferAgentServicesLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Transfer Agent Services, LLC .</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarliestTaxYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earliest Tax Year [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RentableAreaAddedToExistingSelfStorageFacility_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rentable area added to existing self storage facility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RentableAreaAddedToExistingSelfStorageFacility_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rentable Area Added To Existing Self Storage Facility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RentableAreaAddedToExistingSelfStorageFacility_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rentable area added to existing self storage facility.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareRedemptionProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Redemption Program</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareRedemptionProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Redemption Program [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareRedemptionProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share redemption program.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostsAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total operating expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostsAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total operating expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostsAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Costs and Expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ForeignCurrencyHedgesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign Currency Hedges</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ForeignCurrencyHedgesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Hedges [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ForeignCurrencyHedgesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Foreign currency hedges.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeographicConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Geographic Concentration Risk</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeographicConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographic Concentration Risk [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounting for Equity Awards</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CurrencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Currency</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CurrencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Currency [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ReimbursableCostsFromManagedREITsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reimbursable Costs from Managed REITs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ReimbursableCostsFromManagedREITsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reimbursable Costs From Managed R E I Ts [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ReimbursableCostsFromManagedREITsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reimbursable costs from managed REITs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveDecemberOneTwoThousandTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SOFR Cap December 1, 2025</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveDecemberOneTwoThousandTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Overnight Financing Rate Sofr Overnight Index Effective December One Two Thousand Twenty Five Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveDecemberOneTwoThousandTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Secured overnight financing rate sofr overnight index effective december one two thousand twenty five.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AccumulatedAmortizationOfDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated amortization of debt issuance costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AccumulatedAmortizationOfDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Amortization Of Debt Issuance Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AccumulatedAmortizationOfDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accumulated amortization of debt issuance costs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockAmountConverted1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of A-2 Units into A-1 Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockAmountConverted1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion of Stock, Amount Converted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdvisorSSTorontoREITAdvisorsIncAndSSGrowthAdvisorLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisor, SS Toronto REIT Advisors, Inc., and SS Growth Advisor, LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdvisorSSTorontoREITAdvisorsIncAndSSGrowthAdvisorLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisor S S Toronto R E I T Advisors Inc And S S Growth Advisor L L C [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdvisorSSTorontoREITAdvisorsIncAndSSGrowthAdvisorLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisor, SS Toronto REIT Advisors, Inc.,And SS Growth Advisor, LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LondonInterBankOfferedRateEffectiveAugustThreeTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">LIBOR Cap Effective August 3, 2020</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LondonInterBankOfferedRateEffectiveAugustThreeTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">London Inter Bank Offered Rate Effective August Three Two Thousand Twenty [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LondonInterBankOfferedRateEffectiveAugustThreeTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">London inter bank offered rate effective August 3 2020.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentInStorageFacilitiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment In Storage Facilities Policy [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentInStorageFacilitiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment In Storage Facilities [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentInStorageFacilitiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real Estate Purchase Price Allocation and Treatment of Acquisition Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LaderaOfficeLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ladera Office Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LaderaOfficeLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ladera Office Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LaderaOfficeLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ladera office loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockSharesIssuedNetOfSharesForTaxWithholdings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Stock, Shares Issued Net of Shares for Tax Withholdings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockSharesIssuedNetOfSharesForTaxWithholdings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax withholding (net settlement) related to vesting of restricted stock, (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockSharesIssuedNetOfSharesForTaxWithholdings_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Tax withholding (net settlement) related to vesting of restricted stock, (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashTransactionsDepositAppliedToPurchaseOfRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deposits applied to the purchase of real estate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashTransactionsDepositAppliedToPurchaseOfRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Cash Transactions Deposit Applied To Purchase Of Real Estate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashTransactionsDepositAppliedToPurchaseOfRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non cash transactions deposit applied to purchase of real estate.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DenominatedInCadEffectiveAprilTwelveTwoThousandAndTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Denominated in CAD</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DenominatedInCadEffectiveAprilTwelveTwoThousandAndTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Denominated in CAD Effective April Twelve Two Thousand and Twenty Two [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DenominatedInCadEffectiveAprilTwelveTwoThousandAndTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Denominated in CAD effective April Twelve Two Thousand and Twenty Two.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income from operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income (loss) from operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Income (Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RedeemableCommonStockPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redeemable Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RedeemableCommonStockPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redeemable Common Stock Policy Policy [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RedeemableCommonStockPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Redeemable Common Stock Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_FourPointFiveThreePercentageSeniorNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">4.53% Senior Notes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_FourPointFiveThreePercentageSeniorNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Four Point Five Three Percentage Senior Notes[Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_FourPointFiveThreePercentageSeniorNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">4.53% Senior Notes[Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_VariableInterestEntityNonvotingOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Variable interest entity nonvoting ownership percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_VariableInterestEntityNonvotingOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Interest Entity Nonvoting Ownership Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_VariableInterestEntityNonvotingOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable interest entity non-voting ownership percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PercentageOfEstablishedTargetPerformanceCriteria_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of established target performance criteria</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PercentageOfEstablishedTargetPerformanceCriteria_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Established Target Performance Criteria</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PercentageOfEstablishedTargetPerformanceCriteria_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of established target performance criteria.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt Instrument Variable Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument Fixed Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Buildings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Building [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Additional Paid in Capital, Common Stock, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Additional Paid in Capital, Common Stock, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional paid-in capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid in Capital, Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Carrying Amount, Attributable to Parent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redeemable common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementScenarioAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DebtIssuanceCostsNetOfAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt issuance costs, net of accumulated amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DebtIssuanceCostsNetOfAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Issuance Costs Net Of Accumulated Amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DebtIssuanceCostsNetOfAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt issuance costs net of accumulated amortization.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Benchmark</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Filer Category</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Filer Category</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation Of Assets From Segment To Consolidated [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reconciliation of Assets from Segment to Consolidated [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsIncomeStatementImpact_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions to preferred stockholders</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsIncomeStatementImpact_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Distributions to preferred stockholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DupontAndAuroraJointVenturePropertiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dupont and Aurora Joint Venture Properties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DupontAndAuroraJointVenturePropertiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dupont and Aurora Joint Venture Properties [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DupontAndAuroraJointVenturePropertiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dupont and Aurora joint venture properties.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSGTIIUnitPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SSGT II Unit Purchase Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSGTIIUnitPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">S S G T I I Unit Purchase Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSGTIIUnitPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SSGT II unit purchase agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Current Reporting Status</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Current Reporting Status</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of restricted stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Restricted Stock Award, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current State income tax expense (benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current State and Local Tax Expense (Benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdditionalPreferredInvestmentInOperatingPartnership_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional preferred investments in operating partnership</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdditionalPreferredInvestmentInOperatingPartnership_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Preferred Investment In Operating Partnership</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AdditionalPreferredInvestmentInOperatingPartnership_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional preferred investment in operating partnership.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NetIncomeAttributableToTheNonControllingInterestsInOurOperatingPartnership_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income attributable to the noncontrolling interests in our Operating Partnership</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NetIncomeAttributableToTheNonControllingInterestsInOurOperatingPartnership_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income Attributable to the Non Controlling Interests in Our Operating Partnership</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NetIncomeAttributableToTheNonControllingInterestsInOurOperatingPartnership_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net income attributable to the non controlling interests in our operating partnership.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTIVCMBSLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SST IV CMBS Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTIVCMBSLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">S S T I V C M B S Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTIVCMBSLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sst IV cmbs loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StockholderServicingFeeSSTIVAdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholder servicing fee - SST IV</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StockholderServicingFeeSSTIVAdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholder Servicing Fee S S T I V Additional Paid In Capital [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StockholderServicingFeeSSTIVAdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stockholder servicing fee SST IV additional paid in capital.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combinations [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MonthlyAssetsManagementFeesOneTwelfthOfLessThanOnePercentageOfAssetsValueExceedSpecificValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Monthly asset management fee one twelfth of less than one percentage of average invested assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MonthlyAssetsManagementFeesOneTwelfthOfLessThanOnePercentageOfAssetsValueExceedSpecificValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Monthly Assets Management Fees One Twelfth Of Less Than One Percentage Of Assets Value Exceed Specific Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MonthlyAssetsManagementFeesOneTwelfthOfLessThanOnePercentageOfAssetsValueExceedSpecificValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Monthly assets management fees one twelfth of less than one percentage of assets value exceed specific value.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Finite-Lived Intangible Assets, Net, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Finite-Lived Intangible Assets, Net, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Finite-Lived Intangible Assets, Net, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets, net of accumulated amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodThereafterMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">After Fifth Anniversary</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodThereafterMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Redemption Period Thereafter [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodThereafterMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Preferred stock redemption period thereafter.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Stockholders' Equity Attributable to Parent, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Stockholders' Equity Attributable to Parent, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total SmartStop Self Storage REIT, Inc. equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Attributable to Parent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RealEstateAndAccumulatedDepreciationDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Reconciles Total Consideration Transferred</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Other Comprehensive Income (Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AOCI Attributable to Parent [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock, shares authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Shares Authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Maturity, Year Two</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PaymentsForRealEstateAdditions_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Additions to real estate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PaymentsForRealEstateAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments For Real Estate Additions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PaymentsForRealEstateAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The cash outflow for acquisition of or real estate improvements held for investment (operating, managed, leased) or for use.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Tax Identification Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Statement Location</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement Location [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Unvested Shares, Forfeited</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Common Stock, Value, Issued, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Common Stock, Value, Issued, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Common Stock, Value, Issued, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Value, Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Secured Debt, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Retained Earnings (Accumulated Deficit), Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Retained Earnings (Accumulated Deficit), Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Retained Earnings (Accumulated Deficit), Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StoneyCreekLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stoney Creek Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StoneyCreekLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stoney Creek Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StoneyCreekLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stoney Creek loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Components</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Components [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentRenewalAgreementTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfer agent renewal agreement term</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentRenewalAgreementTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transfer Agent Renewal Agreement Term</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentRenewalAgreementTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Transfer agent renewal agreement term.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Distributions paid to preferred stockholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Ordinary Dividends, Preferred Stock and Preference Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity based compensation expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">APIC, Share-Based Payment Arrangement, Option, Increase for Cost Recognition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Business acquisition, transaction costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Acquisition Related Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ProcedureOfOwnerOfAJointVentureSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Procedure of owner of a joint venture subsidiary</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ProcedureOfOwnerOfAJointVentureSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Procedure of Owner of a Joint Venture Subsidiary</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ProcedureOfOwnerOfAJointVentureSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Procedure of owner of a joint venture subsidiary.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and Cash Equivalents</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationVariableInterestEntityPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidation Considerations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationVariableInterestEntityPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation, Variable Interest Entity, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payments to acquire intangible assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Intangible Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instruments [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StockholderServicingFeeAdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholder servicing fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StockholderServicingFeeAdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholder Servicing Fee Additional Paid In Capital [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StockholderServicingFeeAdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stockholder servicing fee additional paid in capital.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedREITPlatformMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Managed REIT Platform</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedREITPlatformMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Managed R E I T Platform [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedREITPlatformMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Managed REIT Platform.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investments and Joint Ventures [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable and accrued liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts Payable and Accrued Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RedeemableCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redeemable Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RedeemableCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redeemable Common Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RedeemableCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Redeemable common stock.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Emerging Growth Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Business Acquisitions By Acquisition [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Business Acquisitions, by Acquisition [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating expenses:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, description of variable rate basis</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Description of Variable Rate Basis</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MinimumPercentageOfOrdinaryTaxableIncomeToBeDistributedToStockholders_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum percentage of ordinary taxable income to be distributed to stockholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MinimumPercentageOfOrdinaryTaxableIncomeToBeDistributedToStockholders_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Percentage Of Ordinary Taxable Income To Be Distributed To Stockholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MinimumPercentageOfOrdinaryTaxableIncomeToBeDistributedToStockholders_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum Percentage Of Ordinary Taxable Income To Be Distributed To Stockholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Related Party Carrying Value Of Investments In Advances</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income (expense):</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AlgonquinPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Algonquin Property.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AlgonquinPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Algonquin Property [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Federal income tax expense (benefit)</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash distribution record date end</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Payable, Date of Record</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CA_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Canada</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CA_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CANADA</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CandianCitiBankLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Canadian CitiBank Loan</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CandianCitiBankLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Candian CitiBank Loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InitialOfferingPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial public offering commenced period description</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityIssuePeriodIncreaseOrDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes to redeemable common stock</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Stock By Class [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Stock by Class [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LetterOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Letter of Credit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LetterOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Letter of Credit [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed Rate Secured Debt</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Name [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OakvilleIIIPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Oakville III Property</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiMezzanineLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SSGT III Mezzanine Loan</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiMezzanineLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SSGT III Mezzanine Loan[Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortizationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation of Real Property Assets</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation, Depletion and Amortization, Nonproduction</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSGTIIMergerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">S S G T I I Merger [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Transition Report</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ClassAAndClassA1OpUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class a and Class a-1 op units.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTIVMergerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SST IV merger.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Maturity, Year Three</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel">Accumulated depreciation, beginning balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel">Accumulated depreciation, ending balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accumulated depreciation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Investment Property, Accumulated Depreciation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unvested Weighted-Average Grant-Date Fair Value, Granted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInMajorityOwnedSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments in Majority-owned Subsidiaries</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInMajorityOwnedSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in Majority-owned Subsidiaries [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Fair Value of Derivative Financial Instruments and Classification In Consolidated Balance Sheets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Impairment, Long-Lived Asset, Held-for-Use, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment losses of real property assets recognized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment, Long-Lived Asset, Held-for-Use</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Segment Reporting Information By Segment [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Segment Reporting Information, by Segment [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstatePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real Estate Facilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstatePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impact of foreign exchange rate changes on cash and restricted cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated other comprehensive income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accumulated Other Comprehensive Income (Loss), Net of Tax, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxPeriodDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Period [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Common Stock, Shares Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Common Stock, Shares Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred State income tax expense (benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred State and Local Income Tax Expense (Benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfDaysAfterLiftingOfPreferredStockToCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of days after lifting of preferred stock to common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfDaysAfterLiftingOfPreferredStockToCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Days After Lifting Of Preferred Stock To Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfDaysAfterLiftingOfPreferredStockToCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of days after lifting of preferred stock to common stock.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other comprehensive income (loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Net of Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmartStopTrademarkMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SmartStop Trademark</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmartStopTrademarkMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Smart Stop Trademark [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmartStopTrademarkMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SmartStop trademark.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetRentableArea_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net rentable area, primarily self storage space</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetRentableArea_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net rentable area, primarily self storage space</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetRentableArea_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Rentable Area</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredEquityInvestment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">SST VI Preferred equity investment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredEquityInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Equity Investment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredEquityInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Preferred equity investment.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of debt issuance costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Debt Issuance Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParticipationRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, investors rights agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParticipationRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Participation Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RepaymentOfMezzanineLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayment of mezzanine loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RepaymentOfMezzanineLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayment of Mezzanine Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RepaymentOfMezzanineLoan_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">SSGT III Mezzanine Loan repayment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in and Advances to Affiliates, Amount of Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDistributionsInExcessOfNetIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accumulated Distributions in Excess of Net Income, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDistributionsInExcessOfNetIncome_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDistributionsInExcessOfNetIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Distributions in Excess of Net Income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodFiveToTenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fifth To Tenth Anniversary</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodFiveToTenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Redemption Period Five To Ten [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodFiveToTenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Preferred stock redemption period five to ten.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PurchaseCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase commitment amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PurchaseCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchase Commitment Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PurchaseCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Purchase commitment amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Paid-in Capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid-in Capital [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, dividend rate, percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Dividend Rate, Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of shares pursuant to distribution reinvestment plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DevelopmentInProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Construction in process</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DevelopmentInProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Development in Process</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Expiration Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Information [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Registrant Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation adjustment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advertising Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advertising costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Cash and Cash Equivalents, at Carrying Value, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash and Cash Equivalents, at Carrying Value, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash and Cash Equivalents, at Carrying Value, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, at Carrying Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDepreciationMethods_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Standard Depreciable Life</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Senior notes maturity date</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenues</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Noncash Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Comprehensive Income [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDilutedLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LimitedPartnershipUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Limited partnership units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LimitedPartnershipUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Limited Partnership Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Award Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommitmentsAndContingenciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments And Contingencies [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommitmentsAndContingenciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments And Contingencies [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommitmentsAndContingenciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitments and Contingencies [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UnrealizedGainLossOnForeignCurrencyAndDerivatives_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Unrealized foreign currency and derivative (gains) losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UnrealizedGainLossOnForeignCurrencyAndDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain Loss On Foreign Currency And Derivatives</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UnrealizedGainLossOnForeignCurrencyAndDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrealized gain (loss) on foreign currency and derivatives.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiOpUnitsAndSsgtIiiSlpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SSGT III OP Units and SSGT III SLP</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiOpUnitsAndSsgtIiiSlpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SSGT III OP Units and SSGT III SLP [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiOpUnitsAndSsgtIiiSlpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SSGT III OP Units and SSGT III SLP.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Finite-Lived Intangible Assets, Gross, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross amounts of lease intangibles</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ownership</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ownership [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative, notional amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Notional Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest rate cap, amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RelatedPartyTransactionCashPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related party costs, Paid</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RelatedPartyTransactionCashPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction Cash Paid</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RelatedPartyTransactionCashPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash payments to property managers under agreement for fees and reimbursable costs including service fees, market-based fees, administrative fees, wages and other expenses for operating, managing and maintaining our properties.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from operating activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MaturityOfForeignCurrencyDerivatives1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Foreign Currency Forward, Maturity Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MaturityOfForeignCurrencyDerivatives1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign Currency Forward, Maturity Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MaturityOfForeignCurrencyDerivatives1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maturity of Foreign Currency Derivatives</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain on sale of real estate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gains (Losses) on Sales of Investment Real Estate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Component</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurements</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateInvestmentPropertyAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Real estate investment property, gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateInvestmentPropertyAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Investment Property, at Cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfUnitsAddedToExistingSelfStorageFacility_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of units added to existing self storage facility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfUnitsAddedToExistingSelfStorageFacility_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Units Added To Existing Self Storage Facility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfUnitsAddedToExistingSelfStorageFacility_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of units added to existing self storage facility.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisition Expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Acquisition expenses.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Revenue from Contract with Customer, Excluding Assessed Tax, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total revenues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer, Excluding Assessed Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, State or Province</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ConstructionManagementFeeMinimumThresholdValueOfCapitalImprovementWork_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of construction or capital improvement work</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ConstructionManagementFeeMinimumThresholdValueOfCapitalImprovementWork_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Construction Management Fee Minimum Threshold Value Of Capital Improvement Work</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ConstructionManagementFeeMinimumThresholdValueOfCapitalImprovementWork_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Construction management fee minimum threshold value of capital improvement work.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Geographical</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DenominatedInCADEffectiveMaySixTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Denominated in CAD</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DenominatedInCADEffectiveMaySixTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Denominated In C A D Effective May Six Two Thousand Twenty One [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DenominatedInCADEffectiveMaySixTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Denominated in CAD effective May six two thousand twenty one.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Instruments And Hedging Activities Disclosures [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosures [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Change in cash, cash equivalents, and restricted cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Comprehensive income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Paid, Excluding Capitalized Interest, Operating Activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInAndAdvancesToManagedREITsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments in and Advances to Managed REITs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInAndAdvancesToManagedREITsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments In And Advances To Managed R E I Ts [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInAndAdvancesToManagedREITsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments in and advances to Managed REITs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Related Party Costs</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedPremium_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Discount on secured debt</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Unamortized Premium</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CreditFacilityAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit facility agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CreditFacilityAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CreditFacilityAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Credit facility agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_EastYorkOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">East York, Ontario</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_EastYorkOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">East York Ontario [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_EastYorkOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">East York, Ontario.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Shell Company</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTVIAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SST VI Advisory Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTVIAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">S S T V I Advisory Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTVIAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SST VI advisory agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate swap and cap contract gains (losses)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent1_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent1</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent1</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting Information [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Information [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Payments of Financing Costs, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Debt issuance costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Financing Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RegentProperty1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Regent Property1.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RegentProperty1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Regent Property1 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RegentProperty1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Regent Property</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommitmentFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitment fee percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommitmentFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitment fee percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommitmentFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitment Fee Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherComprehensiveIncomeForeignCurrencyHedgeContractGainsLossesNetOfTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Foreign currency hedge contract losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherComprehensiveIncomeForeignCurrencyHedgeContractGainsLossesNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income Foreign Currency Hedge Contract Gains Losses Net Of Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherComprehensiveIncomeForeignCurrencyHedgeContractGainsLossesNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other comprehensive income foreign currency hedge contract gains losses net of tax.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherComprehensiveIncomeForeignCurrencyHedgeContractGainsLossesNetOfTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Foreign currency hedge contract gain (loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AlgonquinIlMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Algonquin, IL member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AlgonquinIlMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Algonquin, IL[Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AlgonquinIlMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Algonquin, IL</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class Of Stock [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Significant Accounting Policies</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property Management Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Property Management Agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SelfStorageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Self Storage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SelfStorageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Self Storage [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SelfStorageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Self Storage.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeybankCmbsLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">KeyBank CMBS Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeybankCmbsLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Keybank Cmbs Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeybankCmbsLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">KeyBank CMBS Loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by operating activities</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescriptionOfDistributionAndAllocationOfProfitsAndLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of distribution and allocation of profits and losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescriptionOfDistributionAndAllocationOfProfitsAndLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Description Of Distribution And Allocation Of Profits And Losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescriptionOfDistributionAndAllocationOfProfitsAndLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award description of distribution and allocation of profits and losses.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_Leverageratio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">LeverageRatio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_Leverageratio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">LeverageRatio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_Leverageratio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Leverage Ratio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Unrecognized compensation expense, expected weighted average-recognition period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmartstopCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SmartStop common stock.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmartstopCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SmartStop Common Stock Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmartstopCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SmartStop Common Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value By Balance Sheet Grouping [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, by Balance Sheet Grouping [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt instrument, interest rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Effective Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other comprehensive income (loss):</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Net of Tax [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cash consideration</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Businesses, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ConstructionManagementFeePercentOnCostAboveSpecificLimit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Construction management fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ConstructionManagementFeePercentOnCostAboveSpecificLimit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Construction Management Fee Percent On Cost Above Specific Limit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ConstructionManagementFeePercentOnCostAboveSpecificLimit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Construction Management Fee Percent on Cost Above Specific Limit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax withholding (net settlement) related to vesting of restricted stock</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RequiredAncillaryBusinessRevenueToTotalRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Required ancillary business revenue to total revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RequiredAncillaryBusinessRevenueToTotalRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Required Ancillary Business Revenue To Total Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RequiredAncillaryBusinessRevenueToTotalRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Required ancillary business revenue to total revenue.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstViPreferredEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SST VI Preferred Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstViPreferredEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sst Vi Preferred Equity Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstViPreferredEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sst Vi preferred equity.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principles of Consolidation</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition fund proceeds</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets acquired</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Identifiable Liabilities Assumed at Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities assumed:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangibles</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noncontrolling Interest, Ownership Percentage by Parent</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Common Stock, Shares, Outstanding, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock, shares outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Acquisition [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gain (Loss) on Extinguishment of Debt, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net loss on extinguishment of debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss on extinguishment of debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Extinguishment of Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PurchaseUnitsOfLimitedPartnershipInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase units of limited partnership interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PurchaseUnitsOfLimitedPartnershipInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchase Units Of Limited Partnership Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PurchaseUnitsOfLimitedPartnershipInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Purchase units of limited partnership interest.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_WhitbyPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Whitby Property</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_WhitbyPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Whitby Property Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_WhitbyPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Whitby property.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from investing activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendsPayableStartDateOfRecordDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash distribution record date start</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendsPayableStartDateOfRecordDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Payable Start Date Of Record Day Month And Year</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendsPayableStartDateOfRecordDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dividends payable start date of record day month and year.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Investments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Investments, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Investments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Investments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_IncreaseDecreaseInManagedRealEstateInvestmentTrustsReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Managed REITs receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_IncreaseDecreaseInManagedRealEstateInvestmentTrustsReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Managed Real Estate Investment Trusts Receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_IncreaseDecreaseInManagedRealEstateInvestmentTrustsReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase decrease in managed real estate investment trusts receivables.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and contingencies (Note 12)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total net assets acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net identifiable assets acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Common Stock, Shares, Issued, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock, shares issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NetProceedsFromIssuanceOfRevolverDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of revolver debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NetProceedsFromIssuanceOfRevolverDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Proceeds From Issuance Of Revolver Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NetProceedsFromIssuanceOfRevolverDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net proceeds from issuance of revolver debt.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Instruments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSGTIIAdvisorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SSGT II Advisor</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSGTIIAdvisorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">S S G T I I Advisor [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSGTIIAdvisorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SSGT II Advisor.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionRelatedTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business acquisition, transaction costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionRelatedTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisition Related Transaction Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionRelatedTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Acquisition related transaction costs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstViOpUnitsAndSstViSlpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SST VI OP Units and SST VI SLP</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstViOpUnitsAndSstViSlpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SST VI OP Units and SST VI SLP [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstViOpUnitsAndSstViSlpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SST VI OP Units and SST VI SLP.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustIVPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Trust IV Property Management Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustIVPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Trust I V Property Management Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustIVPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Trust IV Property Management Agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Growth Trust Inc</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Growth Trust Inc [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Growth Trust, Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OperatingPartnershipRedemptionRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Partnership Redemption Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OperatingPartnershipRedemptionRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Partnership Redemption Rights [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OperatingPartnershipRedemptionRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating partnership redemption rights.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInAndAdvancesToManagedReitsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments in and Advances to Managed REITs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInAndAdvancesToManagedReitsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments In And Advances To Managed Reits Policy [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentsInAndAdvancesToManagedReitsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments in and advances to managed reits.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CreditFacilityCrossDefaultProvisionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit facility cross default provision amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CreditFacilityCrossDefaultProvisionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility Cross Default Provision Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CreditFacilityCrossDefaultProvisionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Credit facility cross default provision amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AncillaryOperatingRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ancillary Operating Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AncillaryOperatingRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ancillary Operating Revenue [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AncillaryOperatingRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ancillary operating revenue.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommitmentsAndContingenciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments And Contingencies [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommitmentsAndContingenciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments And Contingencies [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommitmentsAndContingenciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitments and Contingencies [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segments [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BuildingsAndImprovementsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Buildings and Improvements, Gross, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BuildingsAndImprovementsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Buildings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BuildingsAndImprovementsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Buildings and Improvements, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueDividendReinvestmentPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares issued pursuant to distribution reinvestment plan, value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueDividendReinvestmentPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of shares for distribution reinvestment plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueDividendReinvestmentPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Dividend Reinvestment Plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Awards vesting date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vesting Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award equity instruments other than options vesting date.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Significant Accounting Policies [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary Of Significant Accounting Policies [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CorporatesAndOthersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Corporate and other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CorporatesAndOthersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Corporates and others [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CorporatesAndOthersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Corporates and others [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateAccumulatedDepreciationForeignExchangeGainLossImpact_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impact of foreign exchange rate changes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateAccumulatedDepreciationForeignExchangeGainLossImpact_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Accumulated Depreciation Foreign Exchange Gain Loss Impact</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateAccumulatedDepreciationForeignExchangeGainLossImpact_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate accumulated depreciation foreign exchange gain loss impact.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_GuaranteeObligationsRecoursePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Guarantee obligations recourse percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_GuaranteeObligationsRecoursePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Guarantee Obligations Recourse Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_GuaranteeObligationsRecoursePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Guarantee obligations recourse percentage.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PurchasePricePerShareOfEstimatedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated value per share under distribution reinvestment plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PurchasePricePerShareOfEstimatedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchase Price Per Share Of Estimated Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PurchasePricePerShareOfEstimatedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Purchase price per share of estimated value.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Attributable to Parent [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds from issuance of equity in other non controlling interests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Other Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segments [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Canadian income tax expense (benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Foreign Tax Expense (Benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign Currency Translation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Transactions and Translations Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenues:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenues [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unvested Weighted-Average Grant-Date Fair Value, Forfeited</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateInvestmentPropertyNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real estate facilities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateInvestmentPropertyNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Investment Property, Net [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Amortization of Intangible Assets, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible amortization expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Intangible Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Award Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BMOLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">BMO Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BMOLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">B M O Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BMOLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">BMO Loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_EstimatedValuePerCommonShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated value per common share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_EstimatedValuePerCommonShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Estimated Value Per Common Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_EstimatedValuePerCommonShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Estimated value per common share.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Third Anniversary</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Redemption Period Three [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Preferred stock redemption period three.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockRedemptionTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock redemption description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockRedemptionTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Redemption Terms</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Purchase price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total consideration transferred</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consideration transferred</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deferred tax assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross deferred tax asset</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Evaluation of Possible Impairment of Real Property Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Nonoperating Income (Expense), Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income (Expense)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of limited partnership interests owned by noncontrolling owners</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Significant Accounting Policies [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary Of Significant Accounting Policies [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedREITPlatformRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Managed REIT Platform Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedREITPlatformRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Managed R E I T Platform Revenue [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedREITPlatformRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Managed REIT platform revenue.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommonStockDividendsPerSharePerDayDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock per share outstanding per day declared</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommonStockDividendsPerSharePerDayDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Dividends Per Share Per Day Declared</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommonStockDividendsPerSharePerDayDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common Stock Dividends Per Share Per Day Declared</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Fixed Rate Notes Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestructuringCostAndReserveAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restructuring Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalentsAndRestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents, and restricted cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalentsAndRestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Cash And Equivalents And Restricted Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalentsAndRestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, recognized identifiable assets acquired and liabilities assumed, cash and equivalents and restricted cash.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DerivativeEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate Swaps, Effective Date or Date Assumed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DerivativeEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Effective Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DerivativeEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Date the derivative contract becomes effective, in CCYY-MM-DD format.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DerivativeEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest rate cap, effective date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Central Index Key</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_Gainlossonequityinterestsuponacquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain on equity interests upon acquisition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_Gainlossonequityinterestsuponacquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">GainLossOnEquityInterestsUponAcquisition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_Gainlossonequityinterestsuponacquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">GainLossOnEquityInterestsUponAcquisition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advertising Cost [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advertising Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MaximumWeightedAverageNumberOfSharesOutstandingBasicPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum weighted-average number of shares outstanding percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MaximumWeightedAverageNumberOfSharesOutstandingBasicPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Weighted Average Number Of Shares Outstanding Basic Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_MaximumWeightedAverageNumberOfSharesOutstandingBasicPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum weighted average number of shares outstanding basic percentage.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTIVCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SST IV Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTIVCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">S S T I V Common Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTIVCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SST IV Common Stock.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ReinvestmentPlanNoticePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment, suspension or termination period for distribution reinvestment Plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ReinvestmentPlanNoticePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinvestment Plan Notice Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ReinvestmentPlanNoticePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reinvestment plan notice period.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommonStockValueAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common Stock, Value Authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommonStockValueAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Value Authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommonStockValueAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, value authorize</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NorthWhitbyPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">North Whitby Property</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NorthWhitbyPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">North Whitby Property Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NorthWhitbyPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">North Whitby property.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiMezzanineMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SSGT III Mezzanine.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiMezzanineMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SSGT III Mezzanine [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiMezzanineMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SSGT III Mezzanine</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, Redemption, Period</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Property Plant And Equipment [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianDealerOfferedRatesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CDOR</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianDealerOfferedRatesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Canadian Dealer Offered Rates [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianDealerOfferedRatesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Canadian Dealer Offered Rates.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SSGT III Advisory Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SSGT III Advisory Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SSGT III advisory agreement member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Disctributions to noncontrolling interests in our Operating Partnership</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disctributions to noncontrolling interests in our Operating Partnership</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noncontrolling Interest in Net Income (Loss) Operating Partnerships, Nonredeemable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BurlingtonIiiPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Burlington III Property [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BurlingtonIiiPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Burlington III Property [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIIPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Growth Trust I I I Property Management Agreement[Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIIPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Growth Trust I I I Property Management Agreement[Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIIPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Growth Trust I I I Property Management Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_Percentageofprepayofdebtinstrument_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of prepay of debt instrument</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_Percentageofprepayofdebtinstrument_lbl" xlink:role="http://www.xbrl.org/2003/role/label">PercentageOfPrepayOfDebtInstrument</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_Percentageofprepayofdebtinstrument_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepayment of Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares available for issuance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustIVTenantProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Trust IV Tenant Program Revenue Member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustIVTenantProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Trust I V Tenant Program Revenue [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustIVTenantProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Trust IV Tenant Program Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Based Compensation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RealEstateAndAccumulatedDepreciationByPropertyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real Estate And Accumulated Depreciation By Property [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RealEstateAndAccumulatedDepreciationByPropertyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AuroraOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aurora, Ontario</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AuroraOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aurora, Ontario [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AuroraOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aurora, Ontario [Member].</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated depreciation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StockIssuableDuringPeriodValueDividendReinvestmentPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Value of stock issuable during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the holder of the stock to reinvest dividends paid to them by the entity on new issues of stock by the entity.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StockIssuableDuringPeriodValueDividendReinvestmentPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issuable During Period Value Dividend Reinvestment Plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StockIssuableDuringPeriodValueDividendReinvestmentPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issuable pursuant to distribution reinvestment plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSGTIIMergerAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SSGT II Merger Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSGTIIMergerAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SSGT II merger agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSGTIIMergerAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">S S G T I I Merger Agreement Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">General and Administrative Expense, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">General and administrative</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contingent earnout adjustment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianDealerOfferedRateEffectiveOctoberElevenTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CDOR Cap Effective October 11, 2018</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianDealerOfferedRateEffectiveOctoberElevenTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Canadian Dealer Offered Rate Effective October Eleven Two Thousand Eighteen [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianDealerOfferedRateEffectiveOctoberElevenTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Canadian dealer offered rate effective October eleven two thousand eighteen.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Information [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RelatedPartyInvestmentManagementRevenues_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party, investment management revenues.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RelatedPartyInvestmentManagementRevenues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Investment Management Revenues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RelatedPartyInvestmentManagementRevenues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Managed REIT Platform Revenues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfStatesLocatedForSelfStorageFacilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of states located for self storage facilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfStatesLocatedForSelfStorageFacilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of States Located For Self Storage Facilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfStatesLocatedForSelfStorageFacilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of states located for self storage facilities.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedTrademarks_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Indefinite lived trademark</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedTrademarks_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trademarks, net of accumulated amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedTrademarks_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indefinite-Lived Trademarks</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Issuance Costs, Net, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Debt issuance costs, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Issuance Costs, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forecast</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forecast [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PaymentsForDepositsOnAcquisitionOfRealEstateFacilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Deposits on acquisition of real estate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PaymentsForDepositsOnAcquisitionOfRealEstateFacilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments For Deposits On Acquisition Of Real Estate Facilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PaymentsForDepositsOnAcquisitionOfRealEstateFacilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments for deposits on acquisition of real estate facilities.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TimeBasedAwardsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Time Based Awards</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TimeBasedAwardsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Based Awards [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TimeBasedAwardsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Time based awards.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employer matching contribution, percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discount on secured debt, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Unamortized Discount (Premium), Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Instrument, Unamortized Discount (Premium), Net, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateInvestmentPropertyNetExcludingConstructionInProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Real estate investment property</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateInvestmentPropertyNetExcludingConstructionInProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Investment Property Net Excluding Construction In Process</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RealEstateInvestmentPropertyNetExcludingConstructionInProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate investment property net excluding construction in process.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveDecemberOneTwoThousandTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SOFR Cap December 1, 2022</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveDecemberOneTwoThousandTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Overnight Financing Rate Sofr Overnight Index Effective December One Two Thousand Twenty Two [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveDecemberOneTwoThousandTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Secured Overnight Financing Rate Sofr Overnight Index Effective December One Two Thousand Twenty Two [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Equity in earnings (losses) from investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income (Loss) from Equity Method Investments, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Equity Method Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity in earnings (loss) of unconsolidated real estate ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Equity in loss of unconsolidated entities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CorporateAndOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">JV Properties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CorporateAndOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Corporate and Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CorporateAndOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Corporate and Other [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConversionBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, conversion basis</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConversionBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Conversion Basis</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSelfStorageFacilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of self storage facilities</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSelfStorageFacilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number Of Self Storage Facilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedConstructionInProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Construction in process</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedConstructionInProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Construction In Process</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedConstructionInProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed construction in process.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UpToFourthAnniversaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Up to Fourth Anniversary</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UpToFourthAnniversaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Up To Fourth Anniversary [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UpToFourthAnniversaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Up to fourth anniversary.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Land_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Land</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Land_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Land</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SSGT III</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SSGT III [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SSGT III [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Unit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred, Equity Interests Issued and Issuable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AmendmentSuspensionOrTerminationPeriodOfShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment, suspension or termination period of share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AmendmentSuspensionOrTerminationPeriodOfShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Suspension Or Termination Period Of Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AmendmentSuspensionOrTerminationPeriodOfShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amendment suspension or termination period of share.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InterestAccruingOnNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest Accruing On Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InterestAccruingOnNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Accruing On Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InterestAccruingOnNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Accruing on Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinitelivedIntangibleAssetsAcquired1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinitelivedIntangibleAssetsAcquired1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets Acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vesting percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Second Anniversary</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Redemption Period Two [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Preferred stock redemption period two.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesBalancePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesBalancePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in and Advances to Affiliates, Balance, Principal Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Interactive Data Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Interactive Data Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transactions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noncontrolling Interest in Consolidated Entities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Intangibles - customer relationships</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental disclosure of noncash activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: Distributions to participating securities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Undistributed Earnings (Loss) Allocated to Participating Securities, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Undistributed Earnings (Loss) Allocated to Participating Securities, Basic, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TerminationArisingOutOfTheGoShopMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Termination arising out of the Go shop.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TerminationArisingOutOfTheGoShopMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Termination Arising Out Of the Go Shop Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TerminationArisingOutOfTheGoShopMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Termination Arising Out of Go Shop [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyManagementFeeRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">One time fee for former external property managers</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyManagementFeeRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property Management Fee Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_WriteOffOfEquityInterestAndPreexistingRelationshipsUponAcquisitionOfControl_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Write Off Of Equity Interest And Preexisting Relationships Upon Acquisition Of Control</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_WriteOffOfEquityInterestAndPreexistingRelationshipsUponAcquisitionOfControl_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Write-off of equity interest and preexisting relationships upon acquisition of control.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_WriteOffOfEquityInterestAndPreexistingRelationshipsUponAcquisitionOfControl_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Write-off of equity interest and preexisting relationships upon acquisition of control</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_WriteOffOfEquityInterestAndPreexistingRelationshipsUponAcquisitionOfControl_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Write-off of equity interest and preexisting relationships upon acquisition of control</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock, shares outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Shares Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OccupancyPercentageOfRealEstateProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Occupancy percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OccupancyPercentageOfRealEstateProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Occupancy percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OccupancyPercentageOfRealEstateProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Occupancy Percentage Of Real Estate Properties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OccupancyPercentageOfRealEstateProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Occupancy percentage of real estate properties.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PurchaseAndSaleAgreementContractIntangibleAssetAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase and sale agreement contract intangible asset acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PurchaseAndSaleAgreementContractIntangibleAssetAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchase And Sale Agreement Contract Intangible Asset Acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PurchaseAndSaleAgreementContractIntangibleAssetAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Purchase and sale agreement contract intangible asset acquired.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Local Phone Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashAdjustmentFromEquityMethodInvestmentsInManagedRealEstateInvestmentTrusts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non cash adjustment from equity method investments in Managed REITs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashAdjustmentFromEquityMethodInvestmentsInManagedRealEstateInvestmentTrusts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Cash Adjustment From Equity Method Investments In Managed Real Estate Investment Trusts</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashAdjustmentFromEquityMethodInvestmentsInManagedRealEstateInvestmentTrusts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non cash adjustment from equity method investments in managed real estate investment trusts.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_IncomeTaxTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_IncomeTaxTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AmountFromAccumulatedAndUnpaidDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount of accumulated and unpaid distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AmountFromAccumulatedAndUnpaidDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amount From Accumulated And Unpaid Distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AmountFromAccumulatedAndUnpaidDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount from accumulated and unpaid distributions.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Relative Fair Values of Assets Acquired and Liabilities Assumed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveJuneThirtyTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SOFR Cap June 30, 2023</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveJuneThirtyTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Overnight Financing Rate Sofr Overnight Index Effective June Thirty Two Thousand Twenty Three [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecuredOvernightFinancingRateSofrOvernightIndexEffectiveJuneThirtyTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Secured Overnight Financing Rate Sofr Overnight Index Effective June Thirty Two Thousand Twenty Three [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Computation of Earnings Per Common Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DeferredTaxAssetsNonCapitalLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Canadian non-capital losses</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmallPersonalPropertyAndEquipmentAssetsUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated useful life</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmallPersonalPropertyAndEquipmentAssetsUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Small Personal Property And Equipment Assets Useful Life</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmallPersonalPropertyAndEquipmentAssetsUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Small personal property assets, such as computers.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vesting period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RequiredLeverageRatioOfOurRealEstatePortfolio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Required leverage ratio of our real estate portfolio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RequiredLeverageRatioOfOurRealEstatePortfolio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Required Leverage Ratio Of Our Real Estate Portfolio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RequiredLeverageRatioOfOurRealEstatePortfolio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Required leverage ratio of our real estate portfolio.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net (income) attributable to noncontrolling interests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Income (Loss) Attributable to Noncontrolling Interest, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net (income) loss attributable to the noncontrolling interests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net income (loss) attributable to noncontrolling interests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Based Compensation Arrangement By Share Based Payment Award [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Presentation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis of Accounting, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StAugustinePropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">St. Augustine property member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StAugustinePropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">St. Augustine Property [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateSwapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest Rate Swaps</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateSwapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate Swap</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateSwapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Rate Swap [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Gain resulting from acquisition of unconsolidated affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain on equity interests upon acquisition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityLiquidationPreference_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock, liquidation preference, value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityLiquidationPreference_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Liquidation Preference</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionFeeAsPercentageOfContractPurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rate of acquisition fees of purchase price of contract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionFeeAsPercentageOfContractPurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisition Fee As Percentage Of Contract Purchase Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionFeeAsPercentageOfContractPurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Acquisition Fee as Percentage of Contract Purchase Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AcquisitionFeeAsPercentageOfContractPurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Acquisition fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Primary Offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">IPO [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstViMezzanineMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SST VI Mezzanine.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstViMezzanineMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SST VI Mezzanine [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstViMezzanineMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SST VI Mezzanine</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non Revolving Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Revolving Credit Facility [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non revolving debt.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lender Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lender Name [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PaymentsToNoncontrollingInterestInOurOp_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Distributions paid to noncontrolling interest in our OP</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PaymentsToNoncontrollingInterestInOurOp_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions paid to noncontrolling interest in our OP</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PaymentsToNoncontrollingInterestInOurOp_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to noncontrolling interest in our OP</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PaymentsToNoncontrollingInterestInOurOp_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments to noncontrolling interest in our OP</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAccretionToRedemptionValueAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redemption of common stock included in accounts payableand accrued liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAccretionToRedemptionValueAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Accretion to Redemption Value, Adjustment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax assets:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Components of Deferred Tax Liabilities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Statement Location</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement Location [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Maturity, Year One</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities assumed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustIVIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Trust IV, Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustIVIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Trust I V Inc [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustIVIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Trust IV, Inc</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationFairMarketValueDiscountOnDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair market value discount on debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationFairMarketValueDiscountOnDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Fair Market Value Discount On Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_BusinessCombinationFairMarketValueDiscountOnDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination fair market value discount on debt.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ServicingFeesAccrualDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Monthly stockholder servicing fee accrual description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ServicingFeesAccrualDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Fees Accrual Description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ServicingFeesAccrualDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Description of monthly stockholder servicing fee accrual basis.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PropertyManagementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property Management</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PropertyManagementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property Management [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PropertyManagementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Property management member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Unvested Shares, Beginning balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Unvested Shares, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance (in shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance (in shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares, Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentFeesExpensedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfer Agent fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentFeesExpensedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transfer Agent Fees Expensed [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentFeesExpensedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Transfer agent fees expensed.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028 and thereafter</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt Maturities Repayments Of Principal After Year Four</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Selected Quarterly Data</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Quarterly Financial Information [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_AllCurrenciesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">All Currencies</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_AllCurrenciesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">All Currencies [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CMBSLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CMBS Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CMBSLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">C M B S Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CMBSLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CMBS Loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandImprovements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Site improvements</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandImprovements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Land Improvements</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Date of formation of company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, Date of Incorporation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expense [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OrganizationalAndOfferingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organizational and Offering Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OrganizationalAndOfferingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organizational And Offering Costs Policy [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OrganizationalAndOfferingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Organizational and offering costs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A Common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class A [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Name [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total investments in and advances</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments in and advances to Managed REITs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Document Fiscal Year Focus</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustIVAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Trust IV Advisory Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustIVAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Trust I V Advisory Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustIVAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Trust IV Advisory Agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Outstanding principal, plus accrued interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fully repayment of debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayment of non-revolver debt</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiOpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SSGT III OP [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiOpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SSGT III OP [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SsgtIiiOpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SSGT III OP</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RedemptionOfSharesPendingRedemptionRequests_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Redemption Of Shares Pending Redemption Requests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Purchase Price Allocation for Acquisitions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Business Acquisitions, by Acquisition [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAnnualPrincipalPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit facility revolver</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAnnualPrincipalPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Annual Principal Payment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Basic, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income (loss) per Class A &amp; Class T share - basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayment of revolver debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repayment of revolver debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Long-Term Lines of Credit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SanGabrielPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">San Gabriel Property Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SanGabrielPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">San Gabriel Property [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SanGabrielPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">San gabriel property member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASSETS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodAfterTenYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">After Tenth Anniversary</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodAfterTenYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Redemption Period After Ten Year [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodAfterTenYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Preferred stock redemption period after ten year.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianDealerOfferedRateEffectiveMayTwentyEightTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CDOR Cap Effective May 28, 2019</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianDealerOfferedRateEffectiveMayTwentyEightTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Canadian Dealer Offered Rate Effective May Twenty Eight Two Thousand Nineteen [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianDealerOfferedRateEffectiveMayTwentyEightTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Canadian dealer offered rate effective May twenty eight two thousand nineteen.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashTransactionsDistributionPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashTransactionsDistributionPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Cash Transactions Distribution Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashTransactionsDistributionPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non cash transactions distribution payable.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LossRelatedToEquityInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loss related to equity interest.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LossRelatedToEquityInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss related to equity interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LossRelatedToEquityInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss related to equity interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommonClassTMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class T Common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommonClassTMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class T [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CommonClassTMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common class T.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PercentageOfInvestmentFeeDueUponClosing_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of investment fee due upon closing</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PercentageOfInvestmentFeeDueUponClosing_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Investment Fee Due Upon Closing</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PercentageOfInvestmentFeeDueUponClosing_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of investment fee due upon closing.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfOperatingProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of operating properties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfOperatingProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Operating Properties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfOperatingProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of operating properties.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate principal amount of notes issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Face Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTVIMezzanineLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SST VI Mezzanine Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTVIMezzanineLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">S S T V I mezzanine loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SSTVIMezzanineLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">S S T V I Mezzanine Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Growth Trust II Advisory Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Growth Trust I I Advisory Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageGrowthTrustIIAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Growth Trust II Advisory Agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real estate facilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-Lived Tangible Asset</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Tangible Asset [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Percentage of membership interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of voting membership interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Percentage of Voting Interests Acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Restructuring and Related Costs [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Benchmark</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockSharesRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock shares redeemed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockSharesRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Shares Redeemed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockSharesRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Preferred stock shares redeemed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NorthWhitbyOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">North Whitby Ontario</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NorthWhitbyOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">North Whitby Ontario Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NorthWhitbyOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">North Whitby Ontario.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_PayablesToBrokerDealersAndClearingOrganizations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Broker-Dealer, Payable to Other Broker-Dealer and Clearing Organization, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_PayablesToBrokerDealersAndClearingOrganizations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales commissions, dealer manager fee, or stockholder servicing fee payable</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">LIABILITIES, TEMPORARY EQUITY, AND EQUITY</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfPropertiesOwnedByManagedREITs_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of properties owned by Managed REITs which is operated by the company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfPropertiesOwnedByManagedREITs_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Properties Owned By Managed R E I Ts</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfPropertiesOwnedByManagedREITs_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of properties owned by managed REITs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Land</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Land [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfRightToReceiveSharesFromConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of right to receive shares from conversion</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfRightToReceiveSharesFromConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Right To Receive Shares From Conversion</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfRightToReceiveSharesFromConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of right to receive shares from conversion.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DenominatedInCADEffectiveAprilTwelveTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Denominated in CAD April 12, 2021</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DenominatedInCADEffectiveAprilTwelveTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Denominated In C A D Effective April Twelve Two Thousand Twenty One [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UnauditedInformationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unaudited information.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Redemption Period Five [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Preferred stock redemption period five.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities, Name [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfRestructuringDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Type of Restructuring [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income (loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageOperatingPartnershipIiLimitedPartnershipMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Operating Partnership II, L.P.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageOperatingPartnershipIiLimitedPartnershipMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Operating Partnership Ii Limited Partnership [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageOperatingPartnershipIiLimitedPartnershipMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic storage operating partnership ii limited partnership.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Dividends, Common Stock, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends, Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total estimated future amortization expense of intangible assets, year 2025</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Four</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ReimbursementsPayableToSamUnderTheAdministrativeServicesAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reimbursements payable to SAM under the Administrative Services Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ReimbursementsPayableToSamUnderTheAdministrativeServicesAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reimbursements payable to SAM under the Administrative Services Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ReimbursementsPayableToSamUnderTheAdministrativeServicesAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reimbursements payable to SAM under the Administrative Services Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Payments to Acquire Real Estate, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireRealEstate_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchase of real estate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Real Estate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total estimated future amortization expense of intangible assets, year 2023</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Two</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Disclosures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NetIncomeLossAttributableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss attributable to common stockholders - basic:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NetIncomeLossAttributableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net income (loss) attributable to common stockholders basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NetIncomeLossAttributableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net income (loss) attributable to common stockholders basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedReitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Managed REIT.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedReitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Managed REIT [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ManagedReitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Managed REIT</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InitialClosingAmountOccurredOnCommitmentRelatedToPreferredStockPurchaseAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial closing amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InitialClosingAmountOccurredOnCommitmentRelatedToPreferredStockPurchaseAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Closing Amount Occurred On Commitment Related To Preferred Stock Purchase Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InitialClosingAmountOccurredOnCommitmentRelatedToPreferredStockPurchaseAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Initial closing amount occurred on commitment related to preferred stock purchase agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Deferred Tax Assets and Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Deferred Tax Assets and Liabilities [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_WriteOffOfCarryingValueRelatedToIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Write-off of carrying value related to intangible asset</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_WriteOffOfCarryingValueRelatedToIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Write Off Of Carrying Value Related To Intangible Asset</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_WriteOffOfCarryingValueRelatedToIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Write-off of carrying value related to intangible asset.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan, Employer Discretionary Contribution Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employer matching contributions, amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstIvTcfLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SST IV TCF Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstIvTcfLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sst Iv Tcf Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SstIvTcfLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SST IV TCF loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsFiniteLivedPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsFiniteLivedPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Assets, Finite-Lived, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DenominatedInCadEffectiveOctoberTwelveTwoThousandAndTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Denominated in CAD October 12, 2022</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DenominatedInCadEffectiveOctoberTwelveTwoThousandAndTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Denominated In Cad Effective October Twelve Two Thousand And Twenty Two Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DenominatedInCadEffectiveOctoberTwelveTwoThousandAndTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Denominated in cad effective october twelve two thousand and twenty two.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) in cash from changes in assets and liabilities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Federal Income Tax Expense (benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Income Tax Expense (Benefit), Continuing Operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_VaughanOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vaughan, Ontario</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_VaughanOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vaughan Ontario [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_VaughanOntarioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Vaughan, Ontario.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transaction [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SelfStorageFacilityInPhoenixArizonaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Self Storage Facility in Phoenix, Arizona</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SelfStorageFacilityInPhoenixArizonaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Self Storage Facility In Phoenix Arizona [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SelfStorageFacilityInPhoenixArizonaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Self storage facility in Phoenix, Arizona.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateCapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest Rate Caps</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateCapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate Cap</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateCapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Rate Cap [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_Aggregateprincipalamountofnotesissued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate principal amount of notes issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_Aggregateprincipalamountofnotesissued_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">AggregatePrincipalAmountOfNotesIssued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_Aggregateprincipalamountofnotesissued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AggregatePrincipalAmountOfNotesIssued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DateOfRealEstateVentureBecameOperational_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Date Real Estate Venture Became Operational</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DateOfRealEstateVentureBecameOperational_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Date Of Real Estate Venture Became Operational</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DateOfRealEstateVentureBecameOperational_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Date of real estate venture became operational.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments in and Advances to Affiliates Categorization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in and Advances to Affiliates Categorization [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Awards vesting year</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vesting year</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award equity instruments other than options vesting year.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Percentage1</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk, Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TorbarrieLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Torbarrie Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TorbarrieLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Torbarrie Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TorbarrieLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Torbarrie loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConvertibleConversionPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConvertibleConversionPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Convertible, Conversion Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Unvested Shares, Vested</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unvested Shares, Vested</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossRealized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gains (losses) on exchange rate changes in equity investments recorded in other income (expense)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossRealized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Transaction Gain (Loss), Realized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentExpensesAdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfer Agent expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentExpensesAdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transfer Agent expenses Additional Paid In Capital Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentExpensesAdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Transfer agent expenses additional paid in capital.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeyBankFloridaCMBSLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">KeyBank Florida CMBS Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeyBankFloridaCMBSLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Key Bank Florida C M B S Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_KeyBankFloridaCMBSLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">KeyBank Florida CMBS loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustVIPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Trust VI Property Management Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustVIPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Trust V I Property Management Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustVIPropertyManagementAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Trust VI Property Management Agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ScheduleOfMaturitiesOfDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Future Principal Payment Requirements on Outstanding Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ScheduleOfMaturitiesOfDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Maturities Of Debt Table [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ScheduleOfMaturitiesOfDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of maturities of debt.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan, Employer Matching Contribution, Percent of Match</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employer matching contribution, percent of match</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSelfStorageFacilitiesPurchased_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of self storage facilities purchased</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSelfStorageFacilitiesPurchased_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Self Storage Facilities Purchased</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfSelfStorageFacilitiesPurchased_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of self storage facilities purchased.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LineOfCreditFacilityAdditionalBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional amount available under credit facility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LineOfCreditFacilityAdditionalBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line Of Credit Facility Additional Borrowing Capacity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LineOfCreditFacilityAdditionalBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Line of credit facility additional borrowing capacity.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Interest Entity, Primary Beneficiary [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pacific Oak Holding Group</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentAgreementTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfer agent agreement term</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentAgreementTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transfer Agent Agreement Term</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentAgreementTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Transfer agent agreement term.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in investing activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DealerManagerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dealer Manager</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DealerManagerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dealer Manager [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DealerManagerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dealer manager.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockConversionBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of right to receive shares, description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockConversionBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Conversion Basis</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDeferredLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Deferred Liabilities, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDeferredLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in deferred tax liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDeferredLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Deferred Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Use of Estimates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Use of Estimates, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of restricted stock (in shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Restricted Stock Award, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Derivative Liability, Fair Value, Gross Liability, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative fair value, liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Subject to Master Netting Arrangement, before Offset</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TrsSubsidiaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">TRS subsidiary [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TrsSubsidiaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">TRS subsidiary [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TrsSubsidiaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">TRS subsidiary</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianDealerOfferedRateEffectiveMarchTwentyEightTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CDOR Cap Effective March 28, 2019</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianDealerOfferedRateEffectiveMarchTwentyEightTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Canadian Dealer Offered Rate Effective March Twenty Eight Two Thousand Nineteen [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_CanadianDealerOfferedRateEffectiveMarchTwentyEightTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Canadian dealer offered rate effective march twenty eight two thousand nineteen.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total deferred tax liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deferred tax liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross deferred tax liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RegentPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Regent Property</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RegentPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Regent Property member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_RegentPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Regent Property [ Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrademarkMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Trademark</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrademarkMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Trademark [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrademarkMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic storage trademark.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Amortization Expense After Year Two</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Finite lived intangible assets amortization expense after yeartwo.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PercentageOfServiceFeesOnGrossRevenueForManagingProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of fee of former external property managers</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PercentageOfServiceFeesOnGrossRevenueForManagingProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Service Fees On Gross Revenue For Managing Properties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PercentageOfServiceFeesOnGrossRevenueForManagingProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">percentage of service fees on gross revenue for managing properties.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2023</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Maturity, Remainder of Fiscal Year</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Five</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total estimated future amortization expense of intangible assets, year 2026</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable and accrued liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable and Other Accrued Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_GreaterTorontoAreaOfCanadaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Greater Toronto Area of Canada</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_GreaterTorontoAreaOfCanadaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Greater Toronto Area Of Canada [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_GreaterTorontoAreaOfCanadaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Greater Toronto Area of Canada.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Standard Depreciable Life</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Useful Life</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AuroraPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aurora Property</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AuroraPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aurora Property member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_AuroraPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aurora Property [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentThereafterMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment thereafter.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentThereafterMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Thereafter [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_InvestmentThereafterMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Thereafter</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateImprovements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Improvements and additions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateImprovements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Improvements</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AlternativeInvestmentMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Alternative investment, measurement input</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AlternativeInvestmentMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Alternative Investment, Measurement Input</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Note purchase agreement private placement amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total payments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument Carrying Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total estimated future amortization expense of intangible assets, year 2024</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Three</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common Stock, shares authorize</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock, shares authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares Authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashTransactionsEarnestDepositsOnAcquisitionsAssignedToManagedReitsAmountsReclassifiedToManagedReitsReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Earnest deposits on acquisitions assigned to the Managed REITs, amounts reclassified to Managed REITs receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashTransactionsEarnestDepositsOnAcquisitionsAssignedToManagedReitsAmountsReclassifiedToManagedReitsReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Cash Transactions Earnest Deposits on acquisitions Assigned To Managed REITs Amounts Reclassified To Managed REITs Receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NonCashTransactionsEarnestDepositsOnAcquisitionsAssignedToManagedReitsAmountsReclassifiedToManagedReitsReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non cash transactions earnest deposits on acquisitions assigned to managed reits amounts reclassified to managed reits receivables.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Debt, Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading Symbol</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ownership</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ownership [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_GrossProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gross proceeds from issuance of common stock.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_GrossProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gross Proceeds From Issuance Of Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_GrossProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds from issuance of common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss attributable to common stockholders - diluted:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Available to Common Stockholders, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Income (Loss) Available to Common Stockholders, Diluted, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentAgreementTerminationDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfer agent agreement termination description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentAgreementTerminationDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transfer Agent Agreement Termination Description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_TransferAgentAgreementTerminationDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Transfer agent agreement termination description.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendDeclaredLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend Declared [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendDeclaredLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividend Declared [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendDeclaredLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dividend Declared [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ContingentEarnOutAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contingent Earn Out Adjustment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ContingentEarnOutAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contingent earn out adjustment.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_ContingentEarnOutAdjustment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Contingent earnout adjustment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ParentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total SmartStop Self Storage REIT, Inc. Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ParentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Parent [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_JVPropertiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">JV Properties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_JVPropertiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">J V Properties [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_JVPropertiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">J V Properties [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Title of Individual</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of Individual [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notes Payable, Fair Value Disclosure</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Balance Sheet Location</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Balance Sheet Location [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Comprehensive income attributable to SmartStop Self Storage REIT, Inc. common stockholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherManagedREITRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Managed REIT Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherManagedREITRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Managed R E I T Revenue [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_OtherManagedREITRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other Managed REIT Revenue Member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireRealEstateAndRealEstateJointVentures_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Investments in unconsolidated JV Properties, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireRealEstateAndRealEstateJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Real Estate and Real Estate Joint Ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Other Operating Assets, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other assets, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Operating Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LineOfCreditFacilitySublimits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit facility sublimits</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LineOfCreditFacilitySublimits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line Of Credit Facility Sublimits</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LineOfCreditFacilitySublimits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Line of credit facility sublimits.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodTenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tenth Anniversary</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodTenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Redemption Period Ten [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_PreferredStockRedemptionPeriodTenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Preferred stock redemption period ten.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustVITenantProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Strategic Storage Trust VI Tenant Program Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustVITenantProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Strategic Storage Trust V I Tenant Program Revenue [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_StrategicStorageTrustVITenantProgramRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Strategic Storage Trust VI Tenant Program Revenue.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Name of Property</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Name of Property [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendDeclaredTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend Declared [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendDeclaredTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividend Declared [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_DividendDeclaredTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dividend Declared [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecondAndFinalClosingAmountOccurredOnCommitmentRelatedToPreferredStockPurchaseAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Second and final closing amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecondAndFinalClosingAmountOccurredOnCommitmentRelatedToPreferredStockPurchaseAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Second And Final Closing Amount Occurred On Commitment Related To Preferred Stock Purchase Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SecondAndFinalClosingAmountOccurredOnCommitmentRelatedToPreferredStockPurchaseAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Second and final closing amount occurred on commitment related to preferred stock purchase agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Related Party Transactions By Related Party [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Related Party Transactions, by Related Party [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Title of Individual</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of Individual [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UponAchievementOfCertainFinancialConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Upon Achievement Of Certain Financial Conditions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UponAchievementOfCertainFinancialConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Upon Achievement Of Certain Financial Conditions [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_UponAchievementOfCertainFinancialConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Upon achievement of certain financial conditions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfRealEstatePropertiesEncumbered_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of properties encumbered</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfRealEstatePropertiesEncumbered_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Real Estate Properties Encumbered</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_NumberOfRealEstatePropertiesEncumbered_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of real estate properties encumbered.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-Lived Tangible Asset</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Tangible Asset [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SharesSoldInPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares sold in public offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SharesSoldInPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Sold In Public Offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SharesSoldInPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares sold in public offering.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Distributions to noncontrolling interests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock, par value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Par or Stated Value Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmartStopOPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SmartStop OP</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmartStopOPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Smart Stop O P [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_SmartStopOPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SmartStop OP.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LossContingencyOtherNonCancellableFuturePaymentDueYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss contingency other non-cancellable future payment due year one</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001585389_LossContingencyOtherNonCancellableFuturePaymentDueYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingency Other Non-Cancellable Future Payment Due Year One</link:label>
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