<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:07ea5e73-1036-4554-a5b6-7f27f6cf0755,g:af55f776-64ef-4551-b3bb-39ac854a83be-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:exr="http://www.extraspace.com/20240630" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types1="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.extraspace.com/20240630">
  <xs:import namespace="http://fasb.org/srt/2024" schemaLocation="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2024" schemaLocation="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd"/>
  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2024" schemaLocation="https://xbrl.sec.gov/dei/2024/dei-2024.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2024" schemaLocation="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="exr-20240630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="exr-20240630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="exr-20240630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="exr-20240630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="Cover" roleURI="http://www.extraspace.com/role/Cover">
        <link:definition>0000001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedBalanceSheets" roleURI="http://www.extraspace.com/role/CondensedConsolidatedBalanceSheets">
        <link:definition>9952151 - Statement - Condensed Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedBalanceSheetsParenthetical" roleURI="http://www.extraspace.com/role/CondensedConsolidatedBalanceSheetsParenthetical">
        <link:definition>9952152 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsofOperations" roleURI="http://www.extraspace.com/role/CondensedConsolidatedStatementsofOperations">
        <link:definition>9952153 - Statement - Condensed Consolidated Statements of Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsofComprehensiveIncome" roleURI="http://www.extraspace.com/role/CondensedConsolidatedStatementsofComprehensiveIncome">
        <link:definition>9952154 - Statement - Condensed Consolidated Statements of Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsofNoncontrollingInterestsandEquity" roleURI="http://www.extraspace.com/role/CondensedConsolidatedStatementsofNoncontrollingInterestsandEquity">
        <link:definition>9952155 - Statement - Condensed Consolidated Statements of Noncontrolling Interests and Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsofNoncontrollingInterestsandEquityParenthetical" roleURI="http://www.extraspace.com/role/CondensedConsolidatedStatementsofNoncontrollingInterestsandEquityParenthetical">
        <link:definition>9952156 - Statement - Condensed Consolidated Statements of Noncontrolling Interests and Equity (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsofCashFlows" roleURI="http://www.extraspace.com/role/CondensedConsolidatedStatementsofCashFlows">
        <link:definition>9952157 - Statement - Condensed Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Organization" roleURI="http://www.extraspace.com/role/Organization">
        <link:definition>9952158 - Disclosure - Organization</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentation" roleURI="http://www.extraspace.com/role/BasisofPresentation">
        <link:definition>9952159 - Disclosure - Basis of Presentation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueDisclosures" roleURI="http://www.extraspace.com/role/FairValueDisclosures">
        <link:definition>9952160 - Disclosure - Fair Value Disclosures</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsandDispositions" roleURI="http://www.extraspace.com/role/AcquisitionsandDispositions">
        <link:definition>9952161 - Disclosure - Acquisitions and Dispositions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RealEstateAssets" roleURI="http://www.extraspace.com/role/RealEstateAssets">
        <link:definition>9952162 - Disclosure - Real Estate Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherAssets" roleURI="http://www.extraspace.com/role/OtherAssets">
        <link:definition>9952163 - Disclosure - Other Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerCommonShare" roleURI="http://www.extraspace.com/role/EarningsPerCommonShare">
        <link:definition>9952164 - Disclosure - Earnings Per Common Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinUnconsolidatedRealEstateEntities" roleURI="http://www.extraspace.com/role/InvestmentsinUnconsolidatedRealEstateEntities">
        <link:definition>9952165 - Disclosure - Investments in Unconsolidated Real Estate Entities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinDebtSecuritiesandNotesReceivable" roleURI="http://www.extraspace.com/role/InvestmentsinDebtSecuritiesandNotesReceivable">
        <link:definition>9952166 - Disclosure - Investments in Debt Securities and Notes Receivable</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Debt" roleURI="http://www.extraspace.com/role/Debt">
        <link:definition>9952167 - Disclosure - Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Derivatives" roleURI="http://www.extraspace.com/role/Derivatives">
        <link:definition>9952168 - Disclosure - Derivatives</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquity" roleURI="http://www.extraspace.com/role/StockholdersEquity">
        <link:definition>9952169 - Disclosure - Stockholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestRepresentedbyPreferredOperatingPartnershipUnits" roleURI="http://www.extraspace.com/role/NoncontrollingInterestRepresentedbyPreferredOperatingPartnershipUnits">
        <link:definition>9952170 - Disclosure - Noncontrolling Interest Represented by Preferred Operating Partnership Units</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestinOperatingPartnershipandOtherNoncontrollingInterests" roleURI="http://www.extraspace.com/role/NoncontrollingInterestinOperatingPartnershipandOtherNoncontrollingInterests">
        <link:definition>9952171 - Disclosure - Noncontrolling Interest in Operating Partnership and Other Noncontrolling Interests</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformation" roleURI="http://www.extraspace.com/role/SegmentInformation">
        <link:definition>9952172 - Disclosure - Segment Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingencies" roleURI="http://www.extraspace.com/role/CommitmentsandContingencies">
        <link:definition>9952173 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationPolicies" roleURI="http://www.extraspace.com/role/BasisofPresentationPolicies">
        <link:definition>9954471 - Disclosure - Basis of Presentation (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueDisclosuresTables" roleURI="http://www.extraspace.com/role/FairValueDisclosuresTables">
        <link:definition>9954472 - Disclosure - Fair Value Disclosures (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsandDispositionsTables" roleURI="http://www.extraspace.com/role/AcquisitionsandDispositionsTables">
        <link:definition>9954473 - Disclosure - Acquisitions and Dispositions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RealEstateAssetsTables" roleURI="http://www.extraspace.com/role/RealEstateAssetsTables">
        <link:definition>9954474 - Disclosure - Real Estate Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherAssetsTables" roleURI="http://www.extraspace.com/role/OtherAssetsTables">
        <link:definition>9954475 - Disclosure - Other Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerCommonShareTables" roleURI="http://www.extraspace.com/role/EarningsPerCommonShareTables">
        <link:definition>9954476 - Disclosure - Earnings Per Common Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinUnconsolidatedRealEstateEntitiesTables" roleURI="http://www.extraspace.com/role/InvestmentsinUnconsolidatedRealEstateEntitiesTables">
        <link:definition>9954477 - Disclosure - Investments in Unconsolidated Real Estate Entities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinDebtSecuritiesandNotesReceivableTables" roleURI="http://www.extraspace.com/role/InvestmentsinDebtSecuritiesandNotesReceivableTables">
        <link:definition>9954478 - Disclosure - Investments in Debt Securities and Notes Receivable (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtTables" roleURI="http://www.extraspace.com/role/DebtTables">
        <link:definition>9954479 - Disclosure - Debt (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesTables" roleURI="http://www.extraspace.com/role/DerivativesTables">
        <link:definition>9954480 - Disclosure - Derivatives (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestRepresentedbyPreferredOperatingPartnershipUnitsTables" roleURI="http://www.extraspace.com/role/NoncontrollingInterestRepresentedbyPreferredOperatingPartnershipUnitsTables">
        <link:definition>9954481 - Disclosure - Noncontrolling Interest Represented by Preferred Operating Partnership Units (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestinOperatingPartnershipandOtherNoncontrollingInterestsTables" roleURI="http://www.extraspace.com/role/NoncontrollingInterestinOperatingPartnershipandOtherNoncontrollingInterestsTables">
        <link:definition>9954482 - Disclosure - Noncontrolling Interest in Operating Partnership and Other Noncontrolling Interests (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationTables" roleURI="http://www.extraspace.com/role/SegmentInformationTables">
        <link:definition>9954483 - Disclosure - Segment Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OrganizationDetail" roleURI="http://www.extraspace.com/role/OrganizationDetail">
        <link:definition>9954484 - Disclosure - Organization (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationDetails" roleURI="http://www.extraspace.com/role/BasisofPresentationDetails">
        <link:definition>9954485 - Disclosure - Basis of Presentation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueDisclosuresAssetsandLiabilitiesonaRecurringBasisDetail" roleURI="http://www.extraspace.com/role/FairValueDisclosuresAssetsandLiabilitiesonaRecurringBasisDetail">
        <link:definition>9954486 - Disclosure - Fair Value Disclosures - Assets and Liabilities on a Recurring Basis (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueDisclosuresScheduleofFinancialInstrumentsDetail" roleURI="http://www.extraspace.com/role/FairValueDisclosuresScheduleofFinancialInstrumentsDetail">
        <link:definition>9954487 - Disclosure - Fair Value Disclosures - Schedule of Financial Instruments (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueDisclosuresAdditionalInformationDetail" roleURI="http://www.extraspace.com/role/FairValueDisclosuresAdditionalInformationDetail">
        <link:definition>9954488 - Disclosure - Fair Value Disclosures - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsandDispositionsAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/AcquisitionsandDispositionsAdditionalInformationDetails">
        <link:definition>9954489 - Disclosure - Acquisitions and Dispositions - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsandDispositionsAssetAcquisitionLifeStorageDetails" roleURI="http://www.extraspace.com/role/AcquisitionsandDispositionsAssetAcquisitionLifeStorageDetails">
        <link:definition>9954490 - Disclosure - Acquisitions and Dispositions - Asset Acquisition - Life Storage (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsandDispositionsAssetAcquisitionsScheduleofOperatingPropertiesAcquiredDetails" roleURI="http://www.extraspace.com/role/AcquisitionsandDispositionsAssetAcquisitionsScheduleofOperatingPropertiesAcquiredDetails">
        <link:definition>9954491 - Disclosure - Acquisitions and Dispositions - Asset Acquisitions - Schedule of Operating Properties Acquired (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RealEstateAssetsScheduleofComponentsofRealEstateAssetsDetails" roleURI="http://www.extraspace.com/role/RealEstateAssetsScheduleofComponentsofRealEstateAssetsDetails">
        <link:definition>9954492 - Disclosure - Real Estate Assets - Schedule of Components of Real Estate Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RealEstateAssetsAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/RealEstateAssetsAdditionalInformationDetails">
        <link:definition>9954493 - Disclosure - Real Estate Assets - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherAssetsDetails" roleURI="http://www.extraspace.com/role/OtherAssetsDetails">
        <link:definition>9954494 - Disclosure - Other Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerCommonShareAdditionalInformationDetail" roleURI="http://www.extraspace.com/role/EarningsPerCommonShareAdditionalInformationDetail">
        <link:definition>9954495 - Disclosure - Earnings Per Common Share - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerCommonShareAntidilutiveSharesDetail" roleURI="http://www.extraspace.com/role/EarningsPerCommonShareAntidilutiveSharesDetail">
        <link:definition>9954496 - Disclosure - Earnings Per Common Share - Antidilutive Shares (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerCommonShareScheduleofComputationDetail" roleURI="http://www.extraspace.com/role/EarningsPerCommonShareScheduleofComputationDetail">
        <link:definition>9954497 - Disclosure - Earnings Per Common Share - Schedule of Computation (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinUnconsolidatedRealEstateEntitiesDetails" roleURI="http://www.extraspace.com/role/InvestmentsinUnconsolidatedRealEstateEntitiesDetails">
        <link:definition>9954498 - Disclosure - Investments in Unconsolidated Real Estate Entities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinDebtSecuritiesandNotesReceivableScheduleDetails" roleURI="http://www.extraspace.com/role/InvestmentsinDebtSecuritiesandNotesReceivableScheduleDetails">
        <link:definition>9954499 - Disclosure - Investments in Debt Securities and Notes Receivable - Schedule (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinDebtSecuritiesandNotesReceivableAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/InvestmentsinDebtSecuritiesandNotesReceivableAdditionalInformationDetails">
        <link:definition>9954500 - Disclosure - Investments in Debt Securities and Notes Receivable - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofComponentsofTermDebtDetails" roleURI="http://www.extraspace.com/role/DebtScheduleofComponentsofTermDebtDetails">
        <link:definition>9954501 - Disclosure - Debt - Schedule of Components of Term Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofMaturitiesofNotesPayableDetails" roleURI="http://www.extraspace.com/role/DebtScheduleofMaturitiesofNotesPayableDetails">
        <link:definition>9954502 - Disclosure - Debt - Schedule of Maturities of Notes Payable (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/DebtAdditionalInformationDetails">
        <link:definition>9954503 - Disclosure - Debt - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofInformationonLinesofCreditDetails" roleURI="http://www.extraspace.com/role/DebtScheduleofInformationonLinesofCreditDetails">
        <link:definition>9954504 - Disclosure - Debt - Schedule of Information on Lines of Credit (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesAdditionalInformationDetail" roleURI="http://www.extraspace.com/role/DerivativesAdditionalInformationDetail">
        <link:definition>9954505 - Disclosure - Derivatives - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesScheduleofBalanceSheetClassificationandFairValueofInstrumentsDetail" roleURI="http://www.extraspace.com/role/DerivativesScheduleofBalanceSheetClassificationandFairValueofInstrumentsDetail">
        <link:definition>9954506 - Disclosure - Derivatives - Schedule of Balance Sheet Classification and Fair Value of Instruments (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesGainLossRecognizedonSwapAgreementsDetail" roleURI="http://www.extraspace.com/role/DerivativesGainLossRecognizedonSwapAgreementsDetail">
        <link:definition>9954507 - Disclosure - Derivatives - Gain (Loss) Recognized on Swap Agreements (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityDetail" roleURI="http://www.extraspace.com/role/StockholdersEquityDetail">
        <link:definition>9954508 - Disclosure - Stockholders' Equity (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestRepresentedbyPreferredOperatingPartnershipUnitsBalancesofOPUnitsDetails" roleURI="http://www.extraspace.com/role/NoncontrollingInterestRepresentedbyPreferredOperatingPartnershipUnitsBalancesofOPUnitsDetails">
        <link:definition>9954509 - Disclosure - Noncontrolling Interest Represented by Preferred Operating Partnership Units - Balances of OP Units (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestRepresentedbyPreferredOperatingPartnershipUnitsAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/NoncontrollingInterestRepresentedbyPreferredOperatingPartnershipUnitsAdditionalInformationDetails">
        <link:definition>9954510 - Disclosure - Noncontrolling Interest Represented by Preferred Operating Partnership Units - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestinOperatingPartnershipandOtherNoncontrollingInterestsAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/NoncontrollingInterestinOperatingPartnershipandOtherNoncontrollingInterestsAdditionalInformationDetails">
        <link:definition>9954511 - Disclosure - Noncontrolling Interest in Operating Partnership and Other Noncontrolling Interests - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestinOperatingPartnershipandOtherNoncontrollingInterestsScheduleofOPUnitActivityDetails" roleURI="http://www.extraspace.com/role/NoncontrollingInterestinOperatingPartnershipandOtherNoncontrollingInterestsScheduleofOPUnitActivityDetails">
        <link:definition>9954512 - Disclosure - Noncontrolling Interest in Operating Partnership and Other Noncontrolling Interests - Schedule of OP Unit Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationAdditionalInformationDetail" roleURI="http://www.extraspace.com/role/SegmentInformationAdditionalInformationDetail">
        <link:definition>9954513 - Disclosure - Segment Information - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationScheduleofFinancialInformationDetail" roleURI="http://www.extraspace.com/role/SegmentInformationScheduleofFinancialInformationDetail">
        <link:definition>9954514 - Disclosure - Segment Information - Schedule of Financial Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesDetail" roleURI="http://www.extraspace.com/role/CommitmentsandContingenciesDetail">
        <link:definition>9954515 - Disclosure - Commitments and Contingencies (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="exr_LongTermDebtMaturityYearEight" abstract="false" name="LongTermDebtMaturityYearEight" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_OperatingPartnershipUnitsRedemptionAmount" abstract="false" name="OperatingPartnershipUnitsRedemptionAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_OtherMinorityOwnedPropertiesMember" abstract="true" name="OtherMinorityOwnedPropertiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_NumberOfJointVenturesOwningOneOperatingStore" abstract="false" name="NumberOfJointVenturesOwningOneOperatingStore" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_OperatingPartnershipUnitRedemptionCashProceeds" abstract="false" name="OperatingPartnershipUnitRedemptionCashProceeds" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_FirstCreditLineMember" abstract="true" name="FirstCreditLineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_AssetAcquisitionNoncontrollingInterests" abstract="false" name="AssetAcquisitionNoncontrollingInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_SovranHHFStorageHoldingsLLCMember" abstract="true" name="SovranHHFStorageHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NumberOfSalesAgents" abstract="false" name="NumberOfSalesAgents" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_NoncontrollingInterestTableTextBlock" abstract="false" name="NoncontrollingInterestTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="exr_DerivativeTerminationValue" abstract="false" name="DerivativeTerminationValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_ShareholdersEquityUnitsConversionRatio" abstract="false" name="ShareholdersEquityUnitsConversionRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="exr_ReturnOfInvestmentRealEstateVentures" abstract="false" name="ReturnOfInvestmentRealEstateVentures" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_AssetAcquisitionCashAndOtherAssets" abstract="false" name="AssetAcquisitionCashAndOtherAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NumberOfOperatingStoresHeldForSale" abstract="false" name="NumberOfOperatingStoresHeldForSale" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_InterestRateSwapForwardStartingMember" abstract="true" name="InterestRateSwapForwardStartingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_PaymentsForInvestmentInUnconsolidatedRealEstateEntities" abstract="false" name="PaymentsForInvestmentInUnconsolidatedRealEstateEntities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_PRIIEXRJVLLCMember" abstract="true" name="PRIIEXRJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_RealEstateAdditionsPortionNotYetPaid" abstract="false" name="RealEstateAdditionsPortionNotYetPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_AggregateOfferingPriceOfCommonShare" abstract="false" name="AggregateOfferingPriceOfCommonShare" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsAnnualRateOfReturn" abstract="false" name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsAnnualRateOfReturn" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="exr_NumberOfRealEstatePropertiesFranchiseesAndOthers" abstract="false" name="NumberOfRealEstatePropertiesFranchiseesAndOthers" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_UnconsolidatedJointVenturesExcessProfitParticipationPercentage" abstract="false" name="UnconsolidatedJointVenturesExcessProfitParticipationPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="exr_CommonOperatingPartnershipMember" abstract="true" name="CommonOperatingPartnershipMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_CommitmentToAcquireRetailSpaceMember" abstract="true" name="CommitmentToAcquireRetailSpaceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_CashDistributionsInUnconsolidatedRealEstateVentures" abstract="false" name="CashDistributionsInUnconsolidatedRealEstateVentures" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityNumberOfSharesExchanged" abstract="false" name="DebtSecuritiesHeldToMaturityNumberOfSharesExchanged" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_NumberOfRealEstatePropertiesToBeAcquired" abstract="false" name="NumberOfRealEstatePropertiesToBeAcquired" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_InterestExpenseExcludingAmortizationOfDebtDiscountPremium" abstract="false" name="InterestExpenseExcludingAmortizationOfDebtDiscountPremium" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_LongTermDebtMaturityYearSeven" abstract="false" name="LongTermDebtMaturityYearSeven" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestsForCommonStockAbstract" abstract="true" name="RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestsForCommonStockAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_StoragePortfolioIVJVLLCMember" abstract="true" name="StoragePortfolioIVJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_A191VLifeStorageHoldingsLLCMember" abstract="true" name="A191VLifeStorageHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_VRSSelfStorageLLCMember" abstract="true" name="VRSSelfStorageLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_AssetAcquisitionRealEstateAssetsEstimatedUsefulLife" abstract="false" name="AssetAcquisitionRealEstateAssetsEstimatedUsefulLife" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_AssetAcquisitionEquityInterestIssuedOrIssuableShareConversionRatio" abstract="false" name="AssetAcquisitionEquityInterestIssuedOrIssuableShareConversionRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_SecondCreditLineMember" abstract="true" name="SecondCreditLineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityDividendRate" abstract="false" name="DebtSecuritiesHeldToMaturityDividendRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="exr_PreferredStockInvestmentPeriodAfterWhichDividendRateIsSubjectToIncrease" abstract="false" name="PreferredStockInvestmentPeriodAfterWhichDividendRateIsSubjectToIncrease" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_RealEstateInvestmentPropertyIntangibleLeaseRights" abstract="false" name="RealEstateInvestmentPropertyIntangibleLeaseRights" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_PrepaidExpenseAndDeposits" abstract="false" name="PrepaidExpenseAndDeposits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_JCAPSeriesAPreferredStockMember" abstract="true" name="JCAPSeriesAPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestIncludingAdditionalPaidInCapital" abstract="false" name="RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestIncludingAdditionalPaidInCapital" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets" abstract="false" name="GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_LifeStorageIncMember" abstract="true" name="LifeStorageIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_FinancingReceivablePercentHeldAsMortgageReceivables" abstract="false" name="FinancingReceivablePercentHeldAsMortgageReceivables" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedLiquidationValue" abstract="false" name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedLiquidationValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_CashPortionOfRedemptionOfPreferredOperatingPartnershipUnits" abstract="false" name="CashPortionOfRedemptionOfPreferredOperatingPartnershipUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_RealEstateConsolidatedJointVenturesNumber" abstract="false" name="RealEstateConsolidatedJointVenturesNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_CommonStockAverageClosingMarketPrice" abstract="false" name="CommonStockAverageClosingMarketPrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="exr_PreferredStockRedemptionPeriod" abstract="false" name="PreferredStockRedemptionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_EarningsPerShareBasicAndDilutedEPSAbstract" abstract="true" name="EarningsPerShareBasicAndDilutedEPSAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_LineOfCreditFacilityExtensionTerm" abstract="false" name="LineOfCreditFacilityExtensionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_DerivativeWithContingentFeaturesFairValueOfAssetLiabilityNet" abstract="false" name="DerivativeWithContingentFeaturesFairValueOfAssetLiabilityNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_TenantReinsuranceExpense" abstract="false" name="TenantReinsuranceExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityTerm" abstract="false" name="DebtSecuritiesHeldToMaturityTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_DebtInstrumentFixedRateDebtToTotalDebtRate" abstract="false" name="DebtInstrumentFixedRateDebtToTotalDebtRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="exr_LineOfCreditFacilityNumberOfExtensionsAvailable" abstract="false" name="LineOfCreditFacilityNumberOfExtensionsAvailable" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_AdjustmentsToAdditionalPaidInCapitalStockIssuedShelfRegistrationOfferingCosts" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalStockIssuedShelfRegistrationOfferingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_PreferredStockInvestmentDividendRate" abstract="false" name="PreferredStockInvestmentDividendRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="exr_NoncashInterestIncome" abstract="false" name="NoncashInterestIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_SelfStorageOperationsMember" abstract="true" name="SelfStorageOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_CommonOPUnitsMember" abstract="true" name="CommonOPUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_AverageSharePricePerShare" abstract="false" name="AverageSharePricePerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="exr_TermDebtMember" abstract="true" name="TermDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_StockIssuedDuringPeriodSharesRedemptionOfNoncontrollingInterest" abstract="false" name="StockIssuedDuringPeriodSharesRedemptionOfNoncontrollingInterest" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_NonControllingInterestOtherMember" abstract="true" name="NonControllingInterestOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_JCAPSeriesDPreferredStockMember" abstract="true" name="JCAPSeriesDPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_PaymentForDrawOnInterestReserves" abstract="false" name="PaymentForDrawOnInterestReserves" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NoncashOrPartNoncashAcquisitionFinanceLeaseLiability" abstract="false" name="NoncashOrPartNoncashAcquisitionFinanceLeaseLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures" abstract="false" name="AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_ScheduleOfRealEstateJointVenturesTableTextBlock" abstract="false" name="ScheduleOfRealEstateJointVenturesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="exr_VariableRateComponentDomain" abstract="true" name="VariableRateComponentDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_LinesOfCreditMember" abstract="true" name="LinesOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_ESSCATIVSJVLPMember" abstract="true" name="ESSCATIVSJVLPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_NumberOfRealEstatePropertiesOwnedAndOrManaged" abstract="false" name="NumberOfRealEstatePropertiesOwnedAndOrManaged" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_LifeStorageHIERSStorageLLCMember" abstract="true" name="LifeStorageHIERSStorageLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions" abstract="false" name="IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_StoragePortfolioILLCMember" abstract="true" name="StoragePortfolioILLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_SeriesBUnitsMember" abstract="true" name="SeriesBUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsLiquidationValuePerUnit" abstract="false" name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsLiquidationValuePerUnit" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="exr_SeriesDUnitsMember" abstract="true" name="SeriesDUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_SmartStopSelfStorageREITIncSeriesAConvertiblePreferredStockMember" abstract="true" name="SmartStopSelfStorageREITIncSeriesAConvertiblePreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_SeriesAUnitsMember" abstract="true" name="SeriesAUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_CommitmentToAcquireRetailSpaceExpectedToCloseInCurrentFiscalYearMember" abstract="true" name="CommitmentToAcquireRetailSpaceExpectedToCloseInCurrentFiscalYearMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_AssetAcquisitionConsiderationTransferredCashPaidForAssumedDebt" abstract="false" name="AssetAcquisitionConsiderationTransferredCashPaidForAssumedDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_EquityMethodInvestmentNumberOfStores" abstract="false" name="EquityMethodInvestmentNumberOfStores" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits" abstract="false" name="IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_NoncontrollingInterestsInOperatingPartnershipNoteReceivablePayoff" abstract="false" name="NoncontrollingInterestsInOperatingPartnershipNoteReceivablePayoff" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_AtTheMarketEquityDistributionAgreementMember" abstract="true" name="AtTheMarketEquityDistributionAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_FinancingReceivableExtensionTerm" abstract="false" name="FinancingReceivableExtensionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_AssetAcquisitionNumberOfConsolidatedJointVentureStoresAcquired" abstract="false" name="AssetAcquisitionNumberOfConsolidatedJointVentureStoresAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_AssetAcquisitionEquityInterestsInJointVenturePartnerships" abstract="false" name="AssetAcquisitionEquityInterestsInJointVenturePartnerships" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_PreferredOperatingPartnershipMember" abstract="true" name="PreferredOperatingPartnershipMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityPeriodAfterWhichPreferredDividendsIncreaseAnnually" abstract="false" name="DebtSecuritiesHeldToMaturityPeriodAfterWhichPreferredDividendsIncreaseAnnually" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityNumberOfSharesExchangedValue" abstract="false" name="DebtSecuritiesHeldToMaturityNumberOfSharesExchangedValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate" abstract="false" name="GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_MinorityInterestDecreaseFromRedemptionsShares" abstract="false" name="MinorityInterestDecreaseFromRedemptionsShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_RedemptionOfUnitsForCommonStockMember" abstract="true" name="RedemptionOfUnitsForCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_AssetAcquisitionTenantRelationshipsEstimatedUsefulLife" abstract="false" name="AssetAcquisitionTenantRelationshipsEstimatedUsefulLife" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_NumberOfJointVenturesWithPropertyUnderDevelopment" abstract="false" name="NumberOfJointVenturesWithPropertyUnderDevelopment" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_FinancingReceivableTerm" abstract="false" name="FinancingReceivableTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_UnsecuredTermLoansMember" abstract="true" name="UnsecuredTermLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_AverageClosingMarketPriceMeasurementPeriod" abstract="false" name="AverageClosingMarketPriceMeasurementPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_TenantReinsuranceMember" abstract="true" name="TenantReinsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_AssetAcquisitionUnsecuredSeniorNotes" abstract="false" name="AssetAcquisitionUnsecuredSeniorNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NumberOfRealEstatePropertiesAcquired" abstract="false" name="NumberOfRealEstatePropertiesAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_PRISASelfStorageLLCMember" abstract="true" name="PRISASelfStorageLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_RealEstateInvestmentPropertyIntangibleTenantRelationships" abstract="false" name="RealEstateInvestmentPropertyIntangibleTenantRelationships" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions" abstract="false" name="InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_SpecifiedInvestmentGradeRatingAndElectsToUseAlternativeRatesMember" abstract="true" name="SpecifiedInvestmentGradeRatingAndElectsToUseAlternativeRatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCommonStock" abstract="false" name="NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCommonStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_AssetAcquisitionNumberOfWhollyOwnedStoresAcquired" abstract="false" name="AssetAcquisitionNumberOfWhollyOwnedStoresAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_IncrementalCommonSharesAttributableToExchangeablePreferredOperatingPartnershipUnits" abstract="false" name="IncrementalCommonSharesAttributableToExchangeablePreferredOperatingPartnershipUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_StrategicStorageTrustVIIncPreferredStockMember" abstract="true" name="StrategicStorageTrustVIIncPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_VariableRateComponentAxis" abstract="true" name="VariableRateComponentAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="exr_SovranHHFStorageHoldingsIILLCMember" abstract="true" name="SovranHHFStorageHoldingsIILLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable" abstract="false" name="DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_StoragePortfolioIIJVLLCMember" abstract="true" name="StoragePortfolioIIJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable" abstract="false" name="RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityExtensionTerm" abstract="false" name="DebtSecuritiesHeldToMaturityExtensionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_AssetAcquisitionAccountsPayableAccruedExpensesAndOtherLiabilities" abstract="false" name="AssetAcquisitionAccountsPayableAccruedExpensesAndOtherLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityNumberOfShares" abstract="false" name="DebtSecuritiesHeldToMaturityNumberOfShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedLiquidationValueShares" abstract="false" name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedLiquidationValueShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_AccruedConstructionCostsAndCapitalExpendituresAbstract" abstract="true" name="AccruedConstructionCostsAndCapitalExpendituresAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_NoncontrollingInterestIncreaseFromTransactionsWithOtherNoncontrollingInterestsNet" abstract="false" name="NoncontrollingInterestIncreaseFromTransactionsWithOtherNoncontrollingInterestsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_LongTermDebtMaturityYearSix" abstract="false" name="LongTermDebtMaturityYearSix" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NoncontrollingInterestIncreaseDecreaseFromRedemptionsOfOperatingPartnershipUnits" abstract="false" name="NoncontrollingInterestIncreaseDecreaseFromRedemptionsOfOperatingPartnershipUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_ScheduleOfInvestmentsInDebtSecuritiesAndFinancingReceivablesTableTextBlock" abstract="false" name="ScheduleOfInvestmentsInDebtSecuritiesAndFinancingReceivablesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="exr_NetOperatingRealEstateAssets" abstract="false" name="NetOperatingRealEstateAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership" abstract="false" name="NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_LifeStorageHHFWasatchHoldingsLLCMember" abstract="true" name="LifeStorageHHFWasatchHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_PreferredStockDividendRateIncreaseThreshold" abstract="false" name="PreferredStockDividendRateIncreaseThreshold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityExtensionOption" abstract="false" name="DebtSecuritiesHeldToMaturityExtensionOption" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_OperatingPartnershipUnitsMember" abstract="true" name="OperatingPartnershipUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_FinancingReceivableExtensionOption" abstract="false" name="FinancingReceivableExtensionOption" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_NotesReceivableStatedInterestRate" abstract="false" name="NotesReceivableStatedInterestRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="exr_PreferredStockInvestmentRedemptionRestrictionPeriod" abstract="false" name="PreferredStockInvestmentRedemptionRestrictionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther" abstract="false" name="MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_ScheduleOfRealEstateAssetsTableTextBlock" abstract="false" name="ScheduleOfRealEstateAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="exr_FinancingReceivableLoanToValueRatio" abstract="false" name="FinancingReceivableLoanToValueRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="exr_AssetAcquisitionRealEstateAssets" abstract="false" name="AssetAcquisitionRealEstateAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_SeniorNotesAssumedFromLifeStorageMember" abstract="true" name="SeniorNotesAssumedFromLifeStorageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_LongTermDebtMaturityAfterYearEight" abstract="false" name="LongTermDebtMaturityAfterYearEight" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_JCAPSeriesBPreferredStockMember" abstract="true" name="JCAPSeriesBPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="exr_SeriesCUnitsMember" abstract="true" name="SeriesCUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_InvestmentsInDebtSecuritiesAndFinancingReceivablesTextBlock" abstract="false" name="InvestmentsInDebtSecuritiesAndFinancingReceivablesTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="exr_NoteReceivableReductionOfNoncontrollingInterests" abstract="false" name="NoteReceivableReductionOfNoncontrollingInterests" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet" abstract="false" name="AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
