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    <link:label id="lab_wre_MultifamilyPropertiesMember_871D4BDDF85747BEFBD0198296135567_documentation_en-US" xlink:label="lab_wre_MultifamilyPropertiesMember_871D4BDDF85747BEFBD0198296135567" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Multifamily Properties [Member]</link:label>
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    <link:label id="lab_us-gaap_OperatingLeasedAssetsLineItems_888B9DA1F23509C7B6B8198296136B10_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasedAssetsLineItems_888B9DA1F23509C7B6B8198296136B10" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leased Assets [Line Items]</link:label>
    <link:label id="lab_us-gaap_OperatingLeasedAssetsLineItems_888B9DA1F23509C7B6B8198296136B10_label_en-US" xlink:label="lab_us-gaap_OperatingLeasedAssetsLineItems_888B9DA1F23509C7B6B8198296136B10" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leased Assets [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasedAssetsLineItems" xlink:label="loc_us-gaap_OperatingLeasedAssetsLineItems_888B9DA1F23509C7B6B8198296136B10" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_888B9DA1F23509C7B6B8198296136B10" xlink:to="lab_us-gaap_OperatingLeasedAssetsLineItems_888B9DA1F23509C7B6B8198296136B10" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_9E7535FEAF7939054A5219829613FF00_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_9E7535FEAF7939054A5219829613FF00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee Leasing Arrangements, Operating Leases, Term of Contract</link:label>
    <link:label id="lab_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_9E7535FEAF7939054A5219829613FF00_label_en-US" xlink:label="lab_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_9E7535FEAF7939054A5219829613FF00" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee Leasing Arrangements, Operating Leases, Term of Contract</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract" xlink:label="loc_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_9E7535FEAF7939054A5219829613FF00" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_9E7535FEAF7939054A5219829613FF00" xlink:to="lab_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_9E7535FEAF7939054A5219829613FF00" xlink:type="arc" />
    <link:label id="lab_us-gaap_TenantReimbursements_E76B50C72CA75435263F19AC27D066D8_terseLabel_en-US" xlink:label="lab_us-gaap_TenantReimbursements_E76B50C72CA75435263F19AC27D066D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tenant Reimbursements</link:label>
    <link:label id="lab_us-gaap_TenantReimbursements_E76B50C72CA75435263F19AC27D066D8_label_en-US" xlink:label="lab_us-gaap_TenantReimbursements_E76B50C72CA75435263F19AC27D066D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tenant Reimbursements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TenantReimbursements" xlink:label="loc_us-gaap_TenantReimbursements_E76B50C72CA75435263F19AC27D066D8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_8EF142C359EB474A6741198296139241_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_8EF142C359EB474A6741198296139241" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_8EF142C359EB474A6741198296139241_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_8EF142C359EB474A6741198296139241" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_8EF142C359EB474A6741198296139241" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_8EF142C359EB474A6741198296139241" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_8EF142C359EB474A6741198296139241" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_CC2E66F2F1CA2D80636719829613242B_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_CC2E66F2F1CA2D80636719829613242B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_CC2E66F2F1CA2D80636719829613242B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_CC2E66F2F1CA2D80636719829613242B" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_CC2E66F2F1CA2D80636719829613242B" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_7606C68C9B8DB6A1C54E1982961391C3_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_7606C68C9B8DB6A1C54E1982961391C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_7606C68C9B8DB6A1C54E1982961391C3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_7606C68C9B8DB6A1C54E1982961391C3" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_7606C68C9B8DB6A1C54E1982961391C3" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_489C895EF539B41EDA0119829613CA97_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_489C895EF539B41EDA0119829613CA97" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2019</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_489C895EF539B41EDA0119829613CA97" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_489C895EF539B41EDA0119829613CA97" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_489C895EF539B41EDA0119829613CA97" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_75F6F63A9F7C696FBCB019829613B0BC_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_75F6F63A9F7C696FBCB019829613B0BC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_75F6F63A9F7C696FBCB019829613B0BC" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_75F6F63A9F7C696FBCB019829613B0BC" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_B023FD2F0B08B24F459719829613F9B8_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_B023FD2F0B08B24F459719829613F9B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
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    <link:label id="lab_us-gaap_PaymentsForCapitalImprovements_99E642673AEBF1D7AAB919D68A731E3E_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForCapitalImprovements_99E642673AEBF1D7AAB919D68A731E3E" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Capital improvements to real estate</link:label>
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    <link:label id="lab_us-gaap_PaymentsToDevelopRealEstateAssets_59C4EE21FEE0A328EC1719D68A731508_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToDevelopRealEstateAssets_59C4EE21FEE0A328EC1719D68A731508" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Development in progress</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_A3E969C5D762D1000C6419D68A74A30E_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_A3E969C5D762D1000C6419D68A74A30E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net cash received from sale of real estate</link:label>
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    <link:label id="lab_us-gaap_PaymentsForProceedsFromDepositsOnRealEstateAcquisitions_AEDE9021E7F2EBDF78D419D68A74B435_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromDepositsOnRealEstateAcquisitions_AEDE9021E7F2EBDF78D419D68A74B435" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Real estate deposits, net</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInRestrictedCash_342E4B03BF0FCF95ED5A19D68A743535_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInRestrictedCash_342E4B03BF0FCF95ED5A19D68A743535" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Cash held in replacement reserve escrows</link:label>
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    <link:label id="lab_us-gaap_PaymentsToAcquireProductiveAssets_6AFB51B1005DBDA2702D19D68A741DBA_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireProductiveAssets_6AFB51B1005DBDA2702D19D68A741DBA" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Non-real estate capital improvements</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_6AFB51B1005DBDA2702D19D68A741DBA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_5282A2E8883E852E3AD219D68A746658_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_5282A2E8883E852E3AD219D68A746658" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash (used in) provided by investing activities</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5282A2E8883E852E3AD219D68A746658" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5282A2E8883E852E3AD219D68A746658" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_5282A2E8883E852E3AD219D68A746658" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_72FED5C328E045A4073819D68A743190_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_72FED5C328E045A4073819D68A743190" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from financing activities</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_9F6A152CE582A99DD46A19D68A743249_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_9F6A152CE582A99DD46A19D68A743249" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of credit borrowings, net</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_9F6A152CE582A99DD46A19D68A743249" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsOfDividends_5158AFDB5726262F661419D68A746D9E_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividends_5158AFDB5726262F661419D68A746D9E" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Dividends paid</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfSecuredDebt_9D77FB0A9B513F8F4B6C19D68A745752_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSecuredDebt_9D77FB0A9B513F8F4B6C19D68A745752" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowing under construction loan</link:label>
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    <link:label id="lab_wre_A10YearUnsecuredNotes5053Member_2A71409E0F639E4A98DC1516D6757A46_documentation_en-US" xlink:label="lab_wre_A10YearUnsecuredNotes5053Member_2A71409E0F639E4A98DC1516D6757A46" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">10 Year Unsecured Notes 5.053% [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_A10YearUnsecuredNotes5053Member" xlink:label="loc_wre_A10YearUnsecuredNotes5053Member_2A71409E0F639E4A98DC1516D6757A46" xlink:type="locator" />
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    <link:label id="lab_wre_ThreePointNineFivePercentUnsecuredNotesMember_A233ACFF9906EE0E6A981516D675E01F_terseLabel_en-US" xlink:label="lab_wre_ThreePointNineFivePercentUnsecuredNotesMember_A233ACFF9906EE0E6A981516D675E01F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">10 Year Unsecured Notes 3.950 % [Member]</link:label>
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    <link:label id="lab_wre_A20YearUnsecuredNotesMember_2ED6BF1DB570CA1DEAC61516D6756192_label_en-US" xlink:label="lab_wre_A20YearUnsecuredNotesMember_2ED6BF1DB570CA1DEAC61516D6756192" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">20 Year Unsecured Notes [Member]</link:label>
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    <link:label id="lab_wre_TenYearUnsecuredNotes5.125Member_132221EE31A28DD14F841516D675D26F_terseLabel_en-US" xlink:label="lab_wre_TenYearUnsecuredNotes5.125Member_132221EE31A28DD14F841516D675D26F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">10 Year Unsecured Notes 5.125% [Member]</link:label>
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    <link:label id="lab_wre_TenYearUnsecuredNotes5.125Member_132221EE31A28DD14F841516D675D26F_documentation_en-US" xlink:label="lab_wre_TenYearUnsecuredNotes5.125Member_132221EE31A28DD14F841516D675D26F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ten Year Unsecured Notes 5.125% [Member]</link:label>
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    <link:label id="lab_wre_A10YearUnsecuredNotes534Member_DD0FEB4C00C881BDC0481516D6757611_documentation_en-US" xlink:label="lab_wre_A10YearUnsecuredNotes534Member_DD0FEB4C00C881BDC0481516D6757611" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">10 Year Unsecured Notes 5.34% [Member]</link:label>
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    <link:label id="lab_wre_AshbyAtMcleanMember_1E4891382B9612230F9019D68818BE42_documentation_en-US" xlink:label="lab_wre_AshbyAtMcleanMember_1E4891382B9612230F9019D68818BE42" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Ashby at McLean [Member]</link:label>
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    <link:label id="lab_wre_WalkerHouseApartmentsMember_6ACABF5F58E706B80E5E19D68818E50C_label_en-US" xlink:label="lab_wre_WalkerHouseApartmentsMember_6ACABF5F58E706B80E5E19D68818E50C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Walker House Apartments [Member]</link:label>
    <link:label id="lab_wre_WalkerHouseApartmentsMember_6ACABF5F58E706B80E5E19D68818E50C_documentation_en-US" xlink:label="lab_wre_WalkerHouseApartmentsMember_6ACABF5F58E706B80E5E19D68818E50C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Walker House Apartments [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_WalkerHouseApartmentsMember" xlink:label="loc_wre_WalkerHouseApartmentsMember_6ACABF5F58E706B80E5E19D68818E50C" xlink:type="locator" />
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    <link:label id="lab_wre_BethesdaHillApartmentsMember_B1A7BCDD48F4AF2E558019D688186DBD_label_en-US" xlink:label="lab_wre_BethesdaHillApartmentsMember_B1A7BCDD48F4AF2E558019D688186DBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bethesda Hill Apartments [Member]</link:label>
    <link:label id="lab_wre_BethesdaHillApartmentsMember_B1A7BCDD48F4AF2E558019D688186DBD_documentation_en-US" xlink:label="lab_wre_BethesdaHillApartmentsMember_B1A7BCDD48F4AF2E558019D688186DBD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bethesda Hill Apartments [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_BethesdaHillApartmentsMember" xlink:label="loc_wre_BethesdaHillApartmentsMember_B1A7BCDD48F4AF2E558019D688186DBD" xlink:type="locator" />
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    <link:label id="lab_wre_BennettParkMember_02FFE86FCE84687CA78519D688185225_label_en-US" xlink:label="lab_wre_BennettParkMember_02FFE86FCE84687CA78519D688185225" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bennett Park [Member]</link:label>
    <link:label id="lab_wre_BennettParkMember_02FFE86FCE84687CA78519D688185225_documentation_en-US" xlink:label="lab_wre_BennettParkMember_02FFE86FCE84687CA78519D688185225" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bennett Park [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_BennettParkMember" xlink:label="loc_wre_BennettParkMember_02FFE86FCE84687CA78519D688185225" xlink:type="locator" />
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    <link:label id="lab_wre_ClayborneMember_0F6CA504D85CBD5A8FCE19D68819129A_label_en-US" xlink:label="lab_wre_ClayborneMember_0F6CA504D85CBD5A8FCE19D68819129A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Clayborne [Member]</link:label>
    <link:label id="lab_wre_ClayborneMember_0F6CA504D85CBD5A8FCE19D68819129A_documentation_en-US" xlink:label="lab_wre_ClayborneMember_0F6CA504D85CBD5A8FCE19D68819129A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Clayborne [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_ClayborneMember" xlink:label="loc_wre_ClayborneMember_0F6CA504D85CBD5A8FCE19D68819129A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wre_ClayborneMember_0F6CA504D85CBD5A8FCE19D68819129A" xlink:to="lab_wre_ClayborneMember_0F6CA504D85CBD5A8FCE19D68819129A" xlink:type="arc" />
    <link:label id="lab_wre_KenmoreMember_0ADA5B601546ECB3BFDA19D688198C0B_label_en-US" xlink:label="lab_wre_KenmoreMember_0ADA5B601546ECB3BFDA19D688198C0B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Kenmore [Member]</link:label>
    <link:label id="lab_wre_KenmoreMember_0ADA5B601546ECB3BFDA19D688198C0B_documentation_en-US" xlink:label="lab_wre_KenmoreMember_0ADA5B601546ECB3BFDA19D688198C0B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Kenmore [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_KenmoreMember" xlink:label="loc_wre_KenmoreMember_0ADA5B601546ECB3BFDA19D688198C0B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wre_KenmoreMember_0ADA5B601546ECB3BFDA19D688198C0B" xlink:to="lab_wre_KenmoreMember_0ADA5B601546ECB3BFDA19D688198C0B" xlink:type="arc" />
    <link:label id="lab_wre_TheParamountMember_C3C2073E78A83406AA7F19D68819734E_terseLabel_en-US" xlink:label="lab_wre_TheParamountMember_C3C2073E78A83406AA7F19D68819734E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The Paramount [Member]</link:label>
    <link:label id="lab_wre_TheParamountMember_C3C2073E78A83406AA7F19D68819734E_label_en-US" xlink:label="lab_wre_TheParamountMember_C3C2073E78A83406AA7F19D68819734E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Paramount [Member]</link:label>
    <link:label id="lab_wre_TheParamountMember_C3C2073E78A83406AA7F19D68819734E_documentation_en-US" xlink:label="lab_wre_TheParamountMember_C3C2073E78A83406AA7F19D68819734E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Paramount [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_TheParamountMember" xlink:label="loc_wre_TheParamountMember_C3C2073E78A83406AA7F19D68819734E" xlink:type="locator" />
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    <link:label id="lab_wre_TheWellingtonMember_252A1BFDCEA9022F6C0B19D688191E1F_terseLabel_en-US" xlink:label="lab_wre_TheWellingtonMember_252A1BFDCEA9022F6C0B19D688191E1F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The Wellington [Member]</link:label>
    <link:label id="lab_wre_TheWellingtonMember_252A1BFDCEA9022F6C0B19D688191E1F_label_en-US" xlink:label="lab_wre_TheWellingtonMember_252A1BFDCEA9022F6C0B19D688191E1F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Wellington [Member]</link:label>
    <link:label id="lab_wre_TheWellingtonMember_252A1BFDCEA9022F6C0B19D688191E1F_documentation_en-US" xlink:label="lab_wre_TheWellingtonMember_252A1BFDCEA9022F6C0B19D688191E1F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Wellington [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_TheWellingtonMember" xlink:label="loc_wre_TheWellingtonMember_252A1BFDCEA9022F6C0B19D688191E1F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wre_TheWellingtonMember_252A1BFDCEA9022F6C0B19D688191E1F" xlink:to="lab_wre_TheWellingtonMember_252A1BFDCEA9022F6C0B19D688191E1F" xlink:type="arc" />
    <link:label id="lab_wre_TheWellingtonlandparcelMember_3F3D7C73866F5271B18E19D688192C78_terseLabel_en-US" xlink:label="lab_wre_TheWellingtonlandparcelMember_3F3D7C73866F5271B18E19D688192C78" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The Wellington land parcel [Member]</link:label>
    <link:label id="lab_wre_TheWellingtonlandparcelMember_3F3D7C73866F5271B18E19D688192C78_label_en-US" xlink:label="lab_wre_TheWellingtonlandparcelMember_3F3D7C73866F5271B18E19D688192C78" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Wellington land parcel [Member]</link:label>
    <link:label id="lab_wre_TheWellingtonlandparcelMember_3F3D7C73866F5271B18E19D688192C78_documentation_en-US" xlink:label="lab_wre_TheWellingtonlandparcelMember_3F3D7C73866F5271B18E19D688192C78" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Wellington land parcel [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_TheWellingtonlandparcelMember" xlink:label="loc_wre_TheWellingtonlandparcelMember_3F3D7C73866F5271B18E19D688192C78" xlink:type="locator" />
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    <link:label id="lab_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546_label_en-US" xlink:label="lab_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Office Buildings [Member]</link:label>
    <link:label id="lab_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546_documentation_en-US" xlink:label="lab_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Office Buildings [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_OfficeBuildingsMember" xlink:label="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="lab_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:type="arc" />
    <link:label id="lab_wre_A1901PennsylvaniaAvenueMember_63B0C584B9074C2305D619D688196860_label_en-US" xlink:label="lab_wre_A1901PennsylvaniaAvenueMember_63B0C584B9074C2305D619D688196860" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">1901 Pennsylvania Avenue [Member]</link:label>
    <link:label id="lab_wre_A1901PennsylvaniaAvenueMember_63B0C584B9074C2305D619D688196860_documentation_en-US" xlink:label="lab_wre_A1901PennsylvaniaAvenueMember_63B0C584B9074C2305D619D688196860" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">1901 Pennsylvania Avenue [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_A1901PennsylvaniaAvenueMember" xlink:label="loc_wre_A1901PennsylvaniaAvenueMember_63B0C584B9074C2305D619D688196860" xlink:type="locator" />
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    <link:label id="lab_wre_A51MonroeStreetMember_8D387B600F2E51D7950A19D68819B18A_label_en-US" xlink:label="lab_wre_A51MonroeStreetMember_8D387B600F2E51D7950A19D68819B18A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">51 Monroe Street [Member]</link:label>
    <link:label id="lab_wre_A51MonroeStreetMember_8D387B600F2E51D7950A19D68819B18A_documentation_en-US" xlink:label="lab_wre_A51MonroeStreetMember_8D387B600F2E51D7950A19D68819B18A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">51 Monroe Street [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_A51MonroeStreetMember" xlink:label="loc_wre_A51MonroeStreetMember_8D387B600F2E51D7950A19D68819B18A" xlink:type="locator" />
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    <link:label id="lab_wre_A515KingStreetMember_314CEC4974B1E79C357A19D68819BADC_label_en-US" xlink:label="lab_wre_A515KingStreetMember_314CEC4974B1E79C357A19D68819BADC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">515 King Street [Member]</link:label>
    <link:label id="lab_wre_A515KingStreetMember_314CEC4974B1E79C357A19D68819BADC_documentation_en-US" xlink:label="lab_wre_A515KingStreetMember_314CEC4974B1E79C357A19D68819BADC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">515 King Street [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_A515KingStreetMember" xlink:label="loc_wre_A515KingStreetMember_314CEC4974B1E79C357A19D68819BADC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wre_A515KingStreetMember_314CEC4974B1E79C357A19D68819BADC" xlink:to="lab_wre_A515KingStreetMember_314CEC4974B1E79C357A19D68819BADC" xlink:type="arc" />
    <link:label id="lab_wre_A6110ExecutiveBoulevardMember_C700CEF4497ED38456A119D68819A71D_label_en-US" xlink:label="lab_wre_A6110ExecutiveBoulevardMember_C700CEF4497ED38456A119D68819A71D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">6110 Executive Boulevard [Member]</link:label>
    <link:label id="lab_wre_A6110ExecutiveBoulevardMember_C700CEF4497ED38456A119D68819A71D_documentation_en-US" xlink:label="lab_wre_A6110ExecutiveBoulevardMember_C700CEF4497ED38456A119D68819A71D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">6110 Executive Boulevard [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_A6110ExecutiveBoulevardMember" xlink:label="loc_wre_A6110ExecutiveBoulevardMember_C700CEF4497ED38456A119D68819A71D" xlink:type="locator" />
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    <link:label id="lab_wre_A122019ThStreetMember_77B0F0CB29FD1E1BCB3C19D68819A54B_label_en-US" xlink:label="lab_wre_A122019ThStreetMember_77B0F0CB29FD1E1BCB3C19D68819A54B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">1220 19th Street [Member]</link:label>
    <link:label id="lab_wre_A122019ThStreetMember_77B0F0CB29FD1E1BCB3C19D68819A54B_documentation_en-US" xlink:label="lab_wre_A122019ThStreetMember_77B0F0CB29FD1E1BCB3C19D68819A54B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">1220 19th Street [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_A122019ThStreetMember" xlink:label="loc_wre_A122019ThStreetMember_77B0F0CB29FD1E1BCB3C19D68819A54B" xlink:type="locator" />
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    <link:label id="lab_wre_A1600WilsonBoulevardMember_D7ECEE9C169F6561474919D688191A92_label_en-US" xlink:label="lab_wre_A1600WilsonBoulevardMember_D7ECEE9C169F6561474919D688191A92" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">1600 Wilson Boulevard [Member]</link:label>
    <link:label id="lab_wre_A1600WilsonBoulevardMember_D7ECEE9C169F6561474919D688191A92_documentation_en-US" xlink:label="lab_wre_A1600WilsonBoulevardMember_D7ECEE9C169F6561474919D688191A92" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">1600 Wilson Boulevard [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_A1600WilsonBoulevardMember" xlink:label="loc_wre_A1600WilsonBoulevardMember_D7ECEE9C169F6561474919D688191A92" xlink:type="locator" />
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    <link:label id="lab_wre_A600JeffersonPlazaMember_12C6E8AB2FCD5A3B44CD19D6881A9FAA_label_en-US" xlink:label="lab_wre_A600JeffersonPlazaMember_12C6E8AB2FCD5A3B44CD19D6881A9FAA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">600 Jefferson Plaza [Member]</link:label>
    <link:label id="lab_wre_A600JeffersonPlazaMember_12C6E8AB2FCD5A3B44CD19D6881A9FAA_documentation_en-US" xlink:label="lab_wre_A600JeffersonPlazaMember_12C6E8AB2FCD5A3B44CD19D6881A9FAA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">600 Jefferson Plaza [Member]</link:label>
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    <link:label id="lab_wre_WaynePlazaMember_98EEAA8DDCBDEFD794A819D6881AA0F3_label_en-US" xlink:label="lab_wre_WaynePlazaMember_98EEAA8DDCBDEFD794A819D6881AA0F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Wayne Plaza [Member]</link:label>
    <link:label id="lab_wre_WaynePlazaMember_98EEAA8DDCBDEFD794A819D6881AA0F3_documentation_en-US" xlink:label="lab_wre_WaynePlazaMember_98EEAA8DDCBDEFD794A819D6881AA0F3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Wayne Plaza [Member]</link:label>
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    <link:label id="lab_wre_OneCentralPlazaMember_525C938F17D96EEB9D6B19D6881A7930_label_en-US" xlink:label="lab_wre_OneCentralPlazaMember_525C938F17D96EEB9D6B19D6881A7930" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">One Central Plaza [Member]</link:label>
    <link:label id="lab_wre_OneCentralPlazaMember_525C938F17D96EEB9D6B19D6881A7930_documentation_en-US" xlink:label="lab_wre_OneCentralPlazaMember_525C938F17D96EEB9D6B19D6881A7930" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">One Central Plaza [Member]</link:label>
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    <link:label id="lab_wre_A1776GStreetMember_93F9BF63E950A6A8028219D6881ABE2E_label_en-US" xlink:label="lab_wre_A1776GStreetMember_93F9BF63E950A6A8028219D6881ABE2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">1776 G Street [Member]</link:label>
    <link:label id="lab_wre_A1776GStreetMember_93F9BF63E950A6A8028219D6881ABE2E_documentation_en-US" xlink:label="lab_wre_A1776GStreetMember_93F9BF63E950A6A8028219D6881ABE2E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">1776 G Street [Member]</link:label>
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    <link:label id="lab_wre_MonumentIiMember_184002AEE7CC69B22A9219D6881A0F13_label_en-US" xlink:label="lab_wre_MonumentIiMember_184002AEE7CC69B22A9219D6881A0F13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Monument II [Member]</link:label>
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    <link:label id="lab_wre_A2000MStreetMember_5F53A181823E93617E4119D6881A4752_label_en-US" xlink:label="lab_wre_A2000MStreetMember_5F53A181823E93617E4119D6881A4752" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2000 M Street [Member]</link:label>
    <link:label id="lab_wre_A2000MStreetMember_5F53A181823E93617E4119D6881A4752_documentation_en-US" xlink:label="lab_wre_A2000MStreetMember_5F53A181823E93617E4119D6881A4752" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2000 M Street [Member]</link:label>
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    <link:label id="lab_wre_QuanticoBuildingEMember_8D146E5A2661D424AF6819D6881AC0A1_label_en-US" xlink:label="lab_wre_QuanticoBuildingEMember_8D146E5A2661D424AF6819D6881AC0A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quantico Building E [Member]</link:label>
    <link:label id="lab_wre_QuanticoBuildingEMember_8D146E5A2661D424AF6819D6881AC0A1_documentation_en-US" xlink:label="lab_wre_QuanticoBuildingEMember_8D146E5A2661D424AF6819D6881AC0A1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Quantico Building E [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_QuanticoBuildingEMember" xlink:label="loc_wre_QuanticoBuildingEMember_8D146E5A2661D424AF6819D6881AC0A1" xlink:type="locator" />
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    <link:label id="lab_wre_QuanticoBuildingGMember_2614E25FAC043EEDF11519D6881A6061_label_en-US" xlink:label="lab_wre_QuanticoBuildingGMember_2614E25FAC043EEDF11519D6881A6061" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quantico Building G [Member]</link:label>
    <link:label id="lab_wre_QuanticoBuildingGMember_2614E25FAC043EEDF11519D6881A6061_documentation_en-US" xlink:label="lab_wre_QuanticoBuildingGMember_2614E25FAC043EEDF11519D6881A6061" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Quantico Building G [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_QuanticoBuildingGMember" xlink:label="loc_wre_QuanticoBuildingGMember_2614E25FAC043EEDF11519D6881A6061" xlink:type="locator" />
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    <link:label id="lab_wre_A1140ConnecticutAvenueMember_C32C019D06C23D5411F119D6881AE8B1_label_en-US" xlink:label="lab_wre_A1140ConnecticutAvenueMember_C32C019D06C23D5411F119D6881AE8B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">1140 Connecticut Avenue [Member]</link:label>
    <link:label id="lab_wre_A1140ConnecticutAvenueMember_C32C019D06C23D5411F119D6881AE8B1_documentation_en-US" xlink:label="lab_wre_A1140ConnecticutAvenueMember_C32C019D06C23D5411F119D6881AE8B1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">one one Four Zero Connecticut Avenue [Member]</link:label>
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    <link:label id="lab_wre_A122725ThStreetMember_4E7921CCB566E7F8A8EA19D6881A0113_label_en-US" xlink:label="lab_wre_A122725ThStreetMember_4E7921CCB566E7F8A8EA19D6881A0113" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">1227 25th Street [Member]</link:label>
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    <link:label id="lab_wre_FairgateAtBallstonMember_727DF0A487939194475319D6881AF53F_terseLabel_en-US" xlink:label="lab_wre_FairgateAtBallstonMember_727DF0A487939194475319D6881AF53F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fairgate at Ballston [Member]</link:label>
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    <link:label id="lab_wre_FairgateAtBallstonMember_727DF0A487939194475319D6881AF53F_documentation_en-US" xlink:label="lab_wre_FairgateAtBallstonMember_727DF0A487939194475319D6881AF53F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fairgate at Ballston [Member]</link:label>
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    <link:label id="lab_wre_A1775EyeStreetMember_000967722CC2B8D460DB19D6881BA5F5_terseLabel_en-US" xlink:label="lab_wre_A1775EyeStreetMember_000967722CC2B8D460DB19D6881BA5F5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">1775 Eye Street [Member]</link:label>
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    <link:label id="lab_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC_label_en-US" xlink:label="lab_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retail Centers [Member]</link:label>
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    <link:label id="lab_wre_TakomaParkMember_CF9BD9116E7A26A5530619D6881B345C_documentation_en-US" xlink:label="lab_wre_TakomaParkMember_CF9BD9116E7A26A5530619D6881B345C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Takoma Park [Member]</link:label>
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    <link:label id="lab_wre_FrederickCountySquareMember_B99FD04A2916A97B873519D6881BA94D_documentation_en-US" xlink:label="lab_wre_FrederickCountySquareMember_B99FD04A2916A97B873519D6881BA94D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Frederick County Square [Member]</link:label>
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    <link:label id="lab_wre_A800SWashingtonStreetMember_5CB99BE0119D26C45F6B19D6881B3684_documentation_en-US" xlink:label="lab_wre_A800SWashingtonStreetMember_5CB99BE0119D26C45F6B19D6881B3684" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">800 S. Washington Street [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_A800SWashingtonStreetMember" xlink:label="loc_wre_A800SWashingtonStreetMember_5CB99BE0119D26C45F6B19D6881B3684" xlink:type="locator" />
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    <link:label id="lab_wre_CentreAtHagerstownMember_940B609D94ECDFBB757A19D6881B9EF4_documentation_en-US" xlink:label="lab_wre_CentreAtHagerstownMember_940B609D94ECDFBB757A19D6881B9EF4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Centre at Hagerstown . [Member]</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_CentreAtHagerstownMember" xlink:label="loc_wre_CentreAtHagerstownMember_940B609D94ECDFBB757A19D6881B9EF4" xlink:type="locator" />
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    <link:label id="lab_wre_RandolphShoppingCenterMember_0611FD38BD4519E817D019D6881B035A_label_en-US" xlink:label="lab_wre_RandolphShoppingCenterMember_0611FD38BD4519E817D019D6881B035A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Randolph Shopping Center [Member]</link:label>
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    <link:label id="lab_wre_SpringVallyRetailCenterMember_1FE84288482FFB1A532319D6881C3FEB_terseLabel_en-US" xlink:label="lab_wre_SpringVallyRetailCenterMember_1FE84288482FFB1A532319D6881C3FEB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Spring Vally Retail Center [Member]</link:label>
    <link:label id="lab_wre_SpringVallyRetailCenterMember_1FE84288482FFB1A532319D6881C3FEB_label_en-US" xlink:label="lab_wre_SpringVallyRetailCenterMember_1FE84288482FFB1A532319D6881C3FEB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Spring Vally Retail Center [Member]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand_ACDC6879EFE18FE7B03919D6881C888F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand_ACDC6879EFE18FE7B03919D6881C888F" xlink:to="lab_us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand_ACDC6879EFE18FE7B03919D6881C888F" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements_A4294EC626D1CDCBB04D19D6881C4A88_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements_A4294EC626D1CDCBB04D19D6881C4A88" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Initial Cost, Buildings and Improvements</link:label>
    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements_A4294EC626D1CDCBB04D19D6881C4A88_label_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements_A4294EC626D1CDCBB04D19D6881C4A88" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements_A4294EC626D1CDCBB04D19D6881C4A88" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements_A4294EC626D1CDCBB04D19D6881C4A88" xlink:to="lab_us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements_A4294EC626D1CDCBB04D19D6881C4A88" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements_178D847372B9B31850FA19D6881C8D56_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements_178D847372B9B31850FA19D6881C8D56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Improvements (Retirement) since Acquisition</link:label>
    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements_178D847372B9B31850FA19D6881C8D56_label_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements_178D847372B9B31850FA19D6881C8D56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements_178D847372B9B31850FA19D6881C8D56" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements_178D847372B9B31850FA19D6881C8D56" xlink:to="lab_us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements_178D847372B9B31850FA19D6881C8D56" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand_D099F6E068F67F13245919D6881C20EB_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand_D099F6E068F67F13245919D6881C20EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross Amounts at Which Carried at December 31, 2011, Land</link:label>
    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand_D099F6E068F67F13245919D6881C20EB_label_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand_D099F6E068F67F13245919D6881C20EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand_D099F6E068F67F13245919D6881C20EB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand_D099F6E068F67F13245919D6881C20EB" xlink:to="lab_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand_D099F6E068F67F13245919D6881C20EB" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements_375BBDD6FCDBE6B6B71419D6881C5B76_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements_375BBDD6FCDBE6B6B71419D6881C5B76" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross Amounts at Which Carried at December 31, 2011, Buildings and Improvements</link:label>
    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements_375BBDD6FCDBE6B6B71419D6881C5B76_label_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements_375BBDD6FCDBE6B6B71419D6881C5B76" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements_375BBDD6FCDBE6B6B71419D6881C5B76" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements_375BBDD6FCDBE6B6B71419D6881C5B76" xlink:to="lab_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements_375BBDD6FCDBE6B6B71419D6881C5B76" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateGrossAtCarryingValue_24F054B7EBB7FFEC158819D6881C2F42_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateGrossAtCarryingValue_24F054B7EBB7FFEC158819D6881C2F42" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross Amounts at Which Carried at December 31, 2011, Total</link:label>
    <link:label id="lab_us-gaap_RealEstateGrossAtCarryingValue_24F054B7EBB7FFEC158819D6881C2F42_label_en-US" xlink:label="lab_us-gaap_RealEstateGrossAtCarryingValue_24F054B7EBB7FFEC158819D6881C2F42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateGrossAtCarryingValue" xlink:label="loc_us-gaap_RealEstateGrossAtCarryingValue_24F054B7EBB7FFEC158819D6881C2F42" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateGrossAtCarryingValue_24F054B7EBB7FFEC158819D6881C2F42" xlink:to="lab_us-gaap_RealEstateGrossAtCarryingValue_24F054B7EBB7FFEC158819D6881C2F42" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateAccumulatedDepreciation_6881AA70748CF26F55DE19D6881C5C20_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateAccumulatedDepreciation_6881AA70748CF26F55DE19D6881C5C20" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Depreciation at December 31, 2011</link:label>
    <link:label id="lab_us-gaap_RealEstateAccumulatedDepreciation_6881AA70748CF26F55DE19D6881C5C20_label_en-US" xlink:label="lab_us-gaap_RealEstateAccumulatedDepreciation_6881AA70748CF26F55DE19D6881C5C20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate Accumulated Depreciation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAccumulatedDepreciation" xlink:label="loc_us-gaap_RealEstateAccumulatedDepreciation_6881AA70748CF26F55DE19D6881C5C20" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAccumulatedDepreciation_6881AA70748CF26F55DE19D6881C5C20" xlink:to="lab_us-gaap_RealEstateAccumulatedDepreciation_6881AA70748CF26F55DE19D6881C5C20" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationDateOfConstruction1_73E66ADB2F96AF434EF719D6881C4C3E_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationDateOfConstruction1_73E66ADB2F96AF434EF719D6881C4C3E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Year of Construction</link:label>
    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationDateOfConstruction1_73E66ADB2F96AF434EF719D6881C4C3E_label_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationDateOfConstruction1_73E66ADB2F96AF434EF719D6881C4C3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate and Accumulated Depreciation, Date of Construction</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationDateOfConstruction1" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationDateOfConstruction1_73E66ADB2F96AF434EF719D6881C4C3E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDateOfConstruction1_73E66ADB2F96AF434EF719D6881C4C3E" xlink:to="lab_us-gaap_RealEstateAndAccumulatedDepreciationDateOfConstruction1_73E66ADB2F96AF434EF719D6881C4C3E" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationDateAcquired1_EE5AF25436D5E33ED4AB19D6881CD424_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationDateAcquired1_EE5AF25436D5E33ED4AB19D6881CD424" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Date of Acquisition</link:label>
    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationDateAcquired1_EE5AF25436D5E33ED4AB19D6881CD424_label_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationDateAcquired1_EE5AF25436D5E33ED4AB19D6881CD424" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate and Accumulated Depreciation, Date Acquired</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationDateAcquired1" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationDateAcquired1_EE5AF25436D5E33ED4AB19D6881CD424" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDateAcquired1_EE5AF25436D5E33ED4AB19D6881CD424" xlink:to="lab_us-gaap_RealEstateAndAccumulatedDepreciationDateAcquired1_EE5AF25436D5E33ED4AB19D6881CD424" xlink:type="arc" />
    <link:label id="lab_wre_NetRentableSquareFeet_6DA0FEC15E457844FD8819D6881C7939_terseLabel_en-US" xlink:label="lab_wre_NetRentableSquareFeet_6DA0FEC15E457844FD8819D6881C7939" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Rentable Square Feet</link:label>
    <link:label id="lab_wre_NetRentableSquareFeet_6DA0FEC15E457844FD8819D6881C7939_label_en-US" xlink:label="lab_wre_NetRentableSquareFeet_6DA0FEC15E457844FD8819D6881C7939" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Rentable Square Feet</link:label>
    <link:label id="lab_wre_NetRentableSquareFeet_6DA0FEC15E457844FD8819D6881C7939_documentation_en-US" xlink:label="lab_wre_NetRentableSquareFeet_6DA0FEC15E457844FD8819D6881C7939" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Rentable Square Feet</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_NetRentableSquareFeet" xlink:label="loc_wre_NetRentableSquareFeet_6DA0FEC15E457844FD8819D6881C7939" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wre_NetRentableSquareFeet_6DA0FEC15E457844FD8819D6881C7939" xlink:to="lab_wre_NetRentableSquareFeet_6DA0FEC15E457844FD8819D6881C7939" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1_6E8FAD61D182101CA17619D6881C692F_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1_6E8FAD61D182101CA17619D6881C692F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation Life</link:label>
    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1_6E8FAD61D182101CA17619D6881C692F_label_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1_6E8FAD61D182101CA17619D6881C692F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate and Accumulated Depreciation, Life Used for Depreciation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1_6E8FAD61D182101CA17619D6881C692F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1_6E8FAD61D182101CA17619D6881C692F" xlink:to="lab_us-gaap_RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1_6E8FAD61D182101CA17619D6881C692F" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateFederalIncomeTaxBasis_097DF2A6FB8F78DA12E319D6881D101D_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateFederalIncomeTaxBasis_097DF2A6FB8F78DA12E319D6881D101D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real estate, federal income tax basis</link:label>
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    <link:label id="lab_us-gaap_AreaOfRealEstateProperty_1993919CE8C5508A8D6819D6881D565D_terseLabel_en-US" xlink:label="lab_us-gaap_AreaOfRealEstateProperty_1993919CE8C5508A8D6819D6881D565D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Area of land</link:label>
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    <link:label id="lab_us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_3C007DF629412185C3B519D6881DFE9B_terseLabel_en-US" xlink:label="lab_us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_3C007DF629412185C3B519D6881DFE9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]</link:label>
    <link:label id="lab_us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_3C007DF629412185C3B519D6881DFE9B_label_en-US" xlink:label="lab_us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_3C007DF629412185C3B519D6881DFE9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward" xlink:label="loc_us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_3C007DF629412185C3B519D6881DFE9B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_3C007DF629412185C3B519D6881DFE9B" xlink:to="lab_us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_3C007DF629412185C3B519D6881DFE9B" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateGrossAtCarryingValue_B9205A47407D63F9C38819D6881DBAA4_periodStartLabel_en-US" xlink:label="lab_us-gaap_RealEstateGrossAtCarryingValue_B9205A47407D63F9C38819D6881DBAA4" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance, beginning of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateGrossAtCarryingValue" xlink:label="loc_us-gaap_RealEstateGrossAtCarryingValue_B9205A47407D63F9C38819D6881DBAA4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateGrossAtCarryingValue_B9205A47407D63F9C38819D6881DBAA4" xlink:to="lab_us-gaap_RealEstateGrossAtCarryingValue_B9205A47407D63F9C38819D6881DBAA4" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateOtherAcquisitions_418D08DA6210D4675C0219D6881E49E8_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateOtherAcquisitions_418D08DA6210D4675C0219D6881E49E8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property acquisitions</link:label>
    <link:label id="lab_us-gaap_RealEstateOtherAcquisitions_418D08DA6210D4675C0219D6881E49E8_label_en-US" xlink:label="lab_us-gaap_RealEstateOtherAcquisitions_418D08DA6210D4675C0219D6881E49E8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate, Other Acquisitions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateOtherAcquisitions" xlink:label="loc_us-gaap_RealEstateOtherAcquisitions_418D08DA6210D4675C0219D6881E49E8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateOtherAcquisitions_418D08DA6210D4675C0219D6881E49E8" xlink:to="lab_us-gaap_RealEstateOtherAcquisitions_418D08DA6210D4675C0219D6881E49E8" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateImprovements_ADCF5115969F7329C04819D6881E8268_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateImprovements_ADCF5115969F7329C04819D6881E8268" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Improvements</link:label>
    <link:label id="lab_us-gaap_RealEstateImprovements_ADCF5115969F7329C04819D6881E8268_label_en-US" xlink:label="lab_us-gaap_RealEstateImprovements_ADCF5115969F7329C04819D6881E8268" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate, Improvements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateImprovements" xlink:label="loc_us-gaap_RealEstateImprovements_ADCF5115969F7329C04819D6881E8268" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateImprovements_ADCF5115969F7329C04819D6881E8268" xlink:to="lab_us-gaap_RealEstateImprovements_ADCF5115969F7329C04819D6881E8268" xlink:type="arc" />
    <link:label id="lab_wre_ImpairmentGrossAsset_5FFD29861397819CEB5119D6881EBC79_negatedTerseLabel_en-US" xlink:label="lab_wre_ImpairmentGrossAsset_5FFD29861397819CEB5119D6881EBC79" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Impairment write-down</link:label>
    <link:label id="lab_wre_ImpairmentGrossAsset_5FFD29861397819CEB5119D6881EBC79_label_en-US" xlink:label="lab_wre_ImpairmentGrossAsset_5FFD29861397819CEB5119D6881EBC79" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment - Gross Asset</link:label>
    <link:label id="lab_wre_ImpairmentGrossAsset_5FFD29861397819CEB5119D6881EBC79_documentation_en-US" xlink:label="lab_wre_ImpairmentGrossAsset_5FFD29861397819CEB5119D6881EBC79" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Impairment - Gross Asset</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_ImpairmentGrossAsset" xlink:label="loc_wre_ImpairmentGrossAsset_5FFD29861397819CEB5119D6881EBC79" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wre_ImpairmentGrossAsset_5FFD29861397819CEB5119D6881EBC79" xlink:to="lab_wre_ImpairmentGrossAsset_5FFD29861397819CEB5119D6881EBC79" xlink:type="arc" />
    <link:label id="lab_wre_WriteDownOfRealEstateDisposedOf_DBA7B1D59A79A0A2DD1619D6881E65C9_negatedTerseLabel_en-US" xlink:label="lab_wre_WriteDownOfRealEstateDisposedOf_DBA7B1D59A79A0A2DD1619D6881E65C9" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Write-off of disposed assets</link:label>
    <link:label id="lab_wre_WriteDownOfRealEstateDisposedOf_DBA7B1D59A79A0A2DD1619D6881E65C9_label_en-US" xlink:label="lab_wre_WriteDownOfRealEstateDisposedOf_DBA7B1D59A79A0A2DD1619D6881E65C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Write Down of Real Estate Disposed Of</link:label>
    <link:label id="lab_wre_WriteDownOfRealEstateDisposedOf_DBA7B1D59A79A0A2DD1619D6881E65C9_documentation_en-US" xlink:label="lab_wre_WriteDownOfRealEstateDisposedOf_DBA7B1D59A79A0A2DD1619D6881E65C9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Write Down of Real Estate Disposed Of</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_WriteDownOfRealEstateDisposedOf" xlink:label="loc_wre_WriteDownOfRealEstateDisposedOf_DBA7B1D59A79A0A2DD1619D6881E65C9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wre_WriteDownOfRealEstateDisposedOf_DBA7B1D59A79A0A2DD1619D6881E65C9" xlink:to="lab_wre_WriteDownOfRealEstateDisposedOf_DBA7B1D59A79A0A2DD1619D6881E65C9" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateCostOfRealEstateSold_B156DB8E63925DAF1B3319D6881E20A3_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RealEstateCostOfRealEstateSold_B156DB8E63925DAF1B3319D6881E20A3" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Property sales</link:label>
    <link:label id="lab_us-gaap_RealEstateCostOfRealEstateSold_B156DB8E63925DAF1B3319D6881E20A3_label_en-US" xlink:label="lab_us-gaap_RealEstateCostOfRealEstateSold_B156DB8E63925DAF1B3319D6881E20A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate, Cost of Real Estate Sold</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateCostOfRealEstateSold" xlink:label="loc_us-gaap_RealEstateCostOfRealEstateSold_B156DB8E63925DAF1B3319D6881E20A3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateCostOfRealEstateSold_B156DB8E63925DAF1B3319D6881E20A3" xlink:to="lab_us-gaap_RealEstateCostOfRealEstateSold_B156DB8E63925DAF1B3319D6881E20A3" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateGrossAtCarryingValue_64021B51538EC631BF8419D6881E8A00_periodEndLabel_en-US" xlink:label="lab_us-gaap_RealEstateGrossAtCarryingValue_64021B51538EC631BF8419D6881E8A00" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance, end of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateGrossAtCarryingValue" xlink:label="loc_us-gaap_RealEstateGrossAtCarryingValue_64021B51538EC631BF8419D6881E8A00" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateGrossAtCarryingValue_64021B51538EC631BF8419D6881E8A00" xlink:to="lab_us-gaap_RealEstateGrossAtCarryingValue_64021B51538EC631BF8419D6881E8A00" xlink:type="arc" />
    <link:label id="lab_us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_A165844E2B2E6FDBF57219D6881EA1C6_terseLabel_en-US" xlink:label="lab_us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_A165844E2B2E6FDBF57219D6881EA1C6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]</link:label>
    <link:label id="lab_us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_A165844E2B2E6FDBF57219D6881EA1C6_label_en-US" xlink:label="lab_us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_A165844E2B2E6FDBF57219D6881EA1C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward" xlink:label="loc_us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_A165844E2B2E6FDBF57219D6881EA1C6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_A165844E2B2E6FDBF57219D6881EA1C6" xlink:to="lab_us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_A165844E2B2E6FDBF57219D6881EA1C6" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateAccumulatedDepreciation_032F8A3AB513BF7BF49819D6881EC0F9_periodStartLabel_en-US" xlink:label="lab_us-gaap_RealEstateAccumulatedDepreciation_032F8A3AB513BF7BF49819D6881EC0F9" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance, beginning of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAccumulatedDepreciation" xlink:label="loc_us-gaap_RealEstateAccumulatedDepreciation_032F8A3AB513BF7BF49819D6881EC0F9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAccumulatedDepreciation_032F8A3AB513BF7BF49819D6881EC0F9" xlink:to="lab_us-gaap_RealEstateAccumulatedDepreciation_032F8A3AB513BF7BF49819D6881EC0F9" xlink:type="arc" />
    <link:label id="lab_us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense_2DBC8640242133F249C019D6881E8D70_terseLabel_en-US" xlink:label="lab_us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense_2DBC8640242133F249C019D6881E8D70" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</link:label>
    <link:label id="lab_us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense_2DBC8640242133F249C019D6881E8D70_label_en-US" xlink:label="lab_us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense_2DBC8640242133F249C019D6881E8D70" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate Accumulated Depreciation, Depreciation Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense" xlink:label="loc_us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense_2DBC8640242133F249C019D6881E8D70" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense_2DBC8640242133F249C019D6881E8D70" xlink:to="lab_us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense_2DBC8640242133F249C019D6881E8D70" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateAccumulatedDepreciationOtherDeductions_81587A2DECD5EB439C2E19D6881EA6DC_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RealEstateAccumulatedDepreciationOtherDeductions_81587A2DECD5EB439C2E19D6881EA6DC" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Impairment write-down</link:label>
    <link:label id="lab_us-gaap_RealEstateAccumulatedDepreciationOtherDeductions_81587A2DECD5EB439C2E19D6881EA6DC_label_en-US" xlink:label="lab_us-gaap_RealEstateAccumulatedDepreciationOtherDeductions_81587A2DECD5EB439C2E19D6881EA6DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate Accumulated Depreciation, Other Deductions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAccumulatedDepreciationOtherDeductions" xlink:label="loc_us-gaap_RealEstateAccumulatedDepreciationOtherDeductions_81587A2DECD5EB439C2E19D6881EA6DC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAccumulatedDepreciationOtherDeductions_81587A2DECD5EB439C2E19D6881EA6DC" xlink:to="lab_us-gaap_RealEstateAccumulatedDepreciationOtherDeductions_81587A2DECD5EB439C2E19D6881EA6DC" xlink:type="arc" />
    <link:label id="lab_wre_RealEstateAccumulatedDepreciationWriteOffOfDisposedAssets_9AFDC2A7B6CAFDF3EC6619D6881F1DB6_negatedTerseLabel_en-US" xlink:label="lab_wre_RealEstateAccumulatedDepreciationWriteOffOfDisposedAssets_9AFDC2A7B6CAFDF3EC6619D6881F1DB6" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Write-off of disposed assets</link:label>
    <link:label id="lab_wre_RealEstateAccumulatedDepreciationWriteOffOfDisposedAssets_9AFDC2A7B6CAFDF3EC6619D6881F1DB6_label_en-US" xlink:label="lab_wre_RealEstateAccumulatedDepreciationWriteOffOfDisposedAssets_9AFDC2A7B6CAFDF3EC6619D6881F1DB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Accumulated Depreciation, Write off of Disposed Assets</link:label>
    <link:label id="lab_wre_RealEstateAccumulatedDepreciationWriteOffOfDisposedAssets_9AFDC2A7B6CAFDF3EC6619D6881F1DB6_documentation_en-US" xlink:label="lab_wre_RealEstateAccumulatedDepreciationWriteOffOfDisposedAssets_9AFDC2A7B6CAFDF3EC6619D6881F1DB6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Real Estate Accumulated Depreciation, Write off of Disposed Assets</link:label>
    <link:loc xlink:href="wre-20151231.xsd#wre_RealEstateAccumulatedDepreciationWriteOffOfDisposedAssets" xlink:label="loc_wre_RealEstateAccumulatedDepreciationWriteOffOfDisposedAssets_9AFDC2A7B6CAFDF3EC6619D6881F1DB6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wre_RealEstateAccumulatedDepreciationWriteOffOfDisposedAssets_9AFDC2A7B6CAFDF3EC6619D6881F1DB6" xlink:to="lab_wre_RealEstateAccumulatedDepreciationWriteOffOfDisposedAssets_9AFDC2A7B6CAFDF3EC6619D6881F1DB6" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateAccumulatedDepreciationRealEstateSold_94F787DB1F125E3C55E119D6881FFBCB_negatedLabel_en-US" xlink:label="lab_us-gaap_RealEstateAccumulatedDepreciationRealEstateSold_94F787DB1F125E3C55E119D6881FFBCB" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Property sales</link:label>
    <link:label id="lab_us-gaap_RealEstateAccumulatedDepreciationRealEstateSold_94F787DB1F125E3C55E119D6881FFBCB_label_en-US" xlink:label="lab_us-gaap_RealEstateAccumulatedDepreciationRealEstateSold_94F787DB1F125E3C55E119D6881FFBCB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate Accumulated Depreciation, Real Estate Sold</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAccumulatedDepreciationRealEstateSold" xlink:label="loc_us-gaap_RealEstateAccumulatedDepreciationRealEstateSold_94F787DB1F125E3C55E119D6881FFBCB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAccumulatedDepreciationRealEstateSold_94F787DB1F125E3C55E119D6881FFBCB" xlink:to="lab_us-gaap_RealEstateAccumulatedDepreciationRealEstateSold_94F787DB1F125E3C55E119D6881FFBCB" xlink:type="arc" />
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    <link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_B751A81A40BB78C0174D1516D7C9067A_label_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_B751A81A40BB78C0174D1516D7C9067A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidation, Policy [Policy Text Block]</link:label>
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    <link:label id="lab_wre_DeferredFinancingCostsPolicyTextBlock_FC232333E210E0FB66441516D7CAF264_documentation_en-US" xlink:label="lab_wre_DeferredFinancingCostsPolicyTextBlock_FC232333E210E0FB66441516D7CAF264" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Financing Costs [Policy Text Block]</link:label>
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    <link:label id="lab_wre_DeferredLeasingCostsPolicyTextBlock_5EDD1E8443D44D1DE1E71516D7CA66A3_terseLabel_en-US" xlink:label="lab_wre_DeferredLeasingCostsPolicyTextBlock_5EDD1E8443D44D1DE1E71516D7CA66A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Leasing Costs, Policy</link:label>
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    <link:loc xlink:href="wre-20151231.xsd#wre_RealEstateAndDepreciationPolicyTextBlock" xlink:label="loc_wre_RealEstateAndDepreciationPolicyTextBlock_A0EB98CDA2E0EB060C431516D7CA2484" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DiscontinuedOperationsPolicyTextBlock_2F32846BAADB7C3424431516D7CA5F2F_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationsPolicyTextBlock_2F32846BAADB7C3424431516D7CA5F2F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discontinued Operations, Policy</link:label>
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    <link:label id="lab_wre_LineOfCreditFacilityAmountOutstandingRollForward_33AB74BF2DA24C39B16A19D688EDECA8_documentation_en-US" xlink:label="lab_wre_LineOfCreditFacilityAmountOutstandingRollForward_33AB74BF2DA24C39B16A19D688EDECA8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Amount Outstanding [Roll Forward]</link:label>
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    <link:label id="lab_us-gaap_LineOfCredit_140CBA607DE349F8D28519D688EDD871_periodStartLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_140CBA607DE349F8D28519D688EDD871" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance at December 31, 2014</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromLinesOfCredit_615A70FAB192FE8E185F19D688ED6AFC_verboseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromLinesOfCredit_615A70FAB192FE8E185F19D688ED6AFC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_us-gaap_ProceedsFromLinesOfCredit_615A70FAB192FE8E185F19D688ED6AFC_label_en-US" xlink:label="lab_us-gaap_ProceedsFromLinesOfCredit_615A70FAB192FE8E185F19D688ED6AFC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Lines of Credit</link:label>
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    <link:label id="lab_us-gaap_RepaymentsOfLinesOfCredit_7EE8257FAF878992F7FC19D688ED8AFD_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLinesOfCredit_7EE8257FAF878992F7FC19D688ED8AFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Lines of Credit</link:label>
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    <link:label id="lab_us-gaap_LineOfCredit_FEA39948A39ABA67A63A19D688EE96BD_periodEndLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_FEA39948A39ABA67A63A19D688EE96BD" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance at December 31, 2015</link:label>
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    <link:label id="lab_wre_LineOfCreditExtensionTerm_7E74E69672BAD648593619D688EEC12A_terseLabel_en-US" xlink:label="lab_wre_LineOfCreditExtensionTerm_7E74E69672BAD648593619D688EEC12A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line Of Credit Extension Term</link:label>
    <link:label id="lab_wre_LineOfCreditExtensionTerm_7E74E69672BAD648593619D688EEC12A_label_en-US" xlink:label="lab_wre_LineOfCreditExtensionTerm_7E74E69672BAD648593619D688EEC12A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line Of Credit Extension Term</link:label>
    <link:label id="lab_wre_LineOfCreditExtensionTerm_7E74E69672BAD648593619D688EEC12A_documentation_en-US" xlink:label="lab_wre_LineOfCreditExtensionTerm_7E74E69672BAD648593619D688EEC12A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line Of Credit Extension Term</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityExpirationDate1_516BF712F7ABC5ECF05E19D688EEF8E9_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityExpirationDate1_516BF712F7ABC5ECF05E19D688EEF8E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Expiration Date</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityExpirationDate1_516BF712F7ABC5ECF05E19D688EEF8E9_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityExpirationDate1_516BF712F7ABC5ECF05E19D688EEF8E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Expiration Date</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_8DF07C926D9F6F04A5A919D688EE869A_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_8DF07C926D9F6F04A5A919D688EE869A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Commitment Fee Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_8DF07C926D9F6F04A5A919D688EE869A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_5A1CDD85651C040A3BF619D688EE77E2_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_5A1CDD85651C040A3BF619D688EE77E2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total revolving credit facilities at December 31</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityAverageOutstandingAmount_353EA31BD9B240EFC32E19D688EEFE9E_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAverageOutstandingAmount_353EA31BD9B240EFC32E19D688EEFE9E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average daily borrowings during the year</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityAverageOutstandingAmount_353EA31BD9B240EFC32E19D688EEFE9E_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAverageOutstandingAmount_353EA31BD9B240EFC32E19D688EEFE9E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Average Outstanding Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAverageOutstandingAmount" xlink:label="loc_us-gaap_LineOfCreditFacilityAverageOutstandingAmount_353EA31BD9B240EFC32E19D688EEFE9E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_351B1DA1FF9B89B40A2219D688EEDEB8_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_351B1DA1FF9B89B40A2219D688EEDEB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum daily borrowings during the year</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_351B1DA1FF9B89B40A2219D688EEDEB8_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_351B1DA1FF9B89B40A2219D688EEDEB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Amount Outstanding During Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_351B1DA1FF9B89B40A2219D688EEDEB8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_494A10A651BDFE1A7E9E19D688EE2233_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_494A10A651BDFE1A7E9E19D688EE2233" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average interest rate during the year</link:label>
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    <link:label id="lab_wre_InsuranceProviderCoveredTerrorismLossesPercent_D10315B410E533E76EF719D688EE79D5_terseLabel_en-US" xlink:label="lab_wre_InsuranceProviderCoveredTerrorismLossesPercent_D10315B410E533E76EF719D688EE79D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insurance Provider, Covered Terrorism Losses, Percent</link:label>
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