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  <xs:element id="good_NumberOfNonCorePropertiesSold" abstract="false" name="NumberOfNonCorePropertiesSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="good_NumberOfRealEstatePropertiesHeldForSale" abstract="false" name="NumberOfRealEstatePropertiesHeldForSale" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="good_NumberOfAssetsHeldForSale" abstract="false" name="NumberOfAssetsHeldForSale" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="good_PropertyHeldForSaleSellingCosts" abstract="false" name="PropertyHeldForSaleSellingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="good_ScheduleOfRealEstateOwnedHeldForSaleTable" abstract="true" name="ScheduleOfRealEstateOwnedHeldForSaleTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="good_RealEstateHeldForSaleMember" abstract="true" name="RealEstateHeldForSaleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_ScheduleOfRealEstateOwnedHeldForSaleLineItems" abstract="true" name="ScheduleOfRealEstateOwnedHeldForSaleLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="good_DisposalGroupIncludingDiscontinuedOperationRealEstateInvestmentPropertyNet" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationRealEstateInvestmentPropertyNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="good_DisposalGroupIncludingDiscontinuedOperationLiabilitiesDeferredRent" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationLiabilitiesDeferredRent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="good_VariableRateTermLoanFacilityAMember" abstract="true" name="VariableRateTermLoanFacilityAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_VariableRateTermLoanFacilityBMember" abstract="true" name="VariableRateTermLoanFacilityBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_VariableRateTermLoanFacilityCMember" abstract="true" name="VariableRateTermLoanFacilityCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_TermLoanFacilityMember" abstract="true" name="TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_VariableRateTermLoanFacilityDMember" abstract="true" name="VariableRateTermLoanFacilityDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_FixedRateMortgageLoansMember" abstract="true" name="FixedRateMortgageLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_MortgageNotesPayableMember" abstract="true" name="MortgageNotesPayableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_VariableRateLineOfCreditMember" abstract="true" name="VariableRateLineOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_MortgageNotesPayableNetMember" abstract="true" name="MortgageNotesPayableNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_SeniorNotes2029Member" abstract="true" name="SeniorNotes2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_SeniorNotes2030Member" abstract="true" name="SeniorNotes2030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_NumberOfMortgageNotesPayable" abstract="false" name="NumberOfMortgageNotesPayable" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="good_NumberOfExistingEncumberedProperties" abstract="false" name="NumberOfExistingEncumberedProperties" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="good_NumberOfPropertyPortfolioAcquisition" abstract="false" name="NumberOfPropertyPortfolioAcquisition" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="good_DebtInstrumentVariableInterestRateIncreaseDecrease" abstract="false" name="DebtInstrumentVariableInterestRateIncreaseDecrease" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="good_VariableRateMortgagesMember" abstract="true" name="VariableRateMortgagesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_CreditFacilityMember" abstract="true" name="CreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_SeniorUnsecuredNotes2029Member" abstract="true" name="SeniorUnsecuredNotes2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_SeniorUnsecuredNotes2030Member" abstract="true" name="SeniorUnsecuredNotes2030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_DebtInstrumentInterestRateVariableRateAtPeriodEnd" abstract="false" name="DebtInstrumentInterestRateVariableRateAtPeriodEnd" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="good_NumberOfExistingUnencumberedProperties" abstract="false" name="NumberOfExistingUnencumberedProperties" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="good_NumberOfLongTermMortgagesRepaid" abstract="false" name="NumberOfLongTermMortgagesRepaid" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="good_NumberOfPropertiesRepaidToCollateralizedMortgageNotesPayable" abstract="false" name="NumberOfPropertiesRepaidToCollateralizedMortgageNotesPayable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="good_PropertySubjectToOrAvailableForFinanceLeaseNumberOfUnits" abstract="false" name="PropertySubjectToOrAvailableForFinanceLeaseNumberOfUnits" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="good_StockholdersEquityTable" abstract="true" name="StockholdersEquityTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="good_SeniorCommonStockMember" abstract="true" name="SeniorCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_StockholdersEquityLineItems" abstract="true" name="StockholdersEquityLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="good_AdjustmentsToAdditionalPaidInCapitalAdjustmentToOperatingPartnershipOwnership" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalAdjustmentToOperatingPartnershipOwnership" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="good_CommonStockATMProgram2023Member" abstract="true" name="CommonStockATMProgram2023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_CommonStockATMProgram2024Member" abstract="true" name="CommonStockATMProgram2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_A2024RegistrationStatementMember" abstract="true" name="A2024RegistrationStatementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_BofABairdGoldmanSachsKeyBancCapitalMarketsIncAndFifthThirdMember" abstract="true" name="BofABairdGoldmanSachsKeyBancCapitalMarketsIncAndFifthThirdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_SeriesECumulativeRedeemablePreferredStockMember" abstract="true" name="SeriesECumulativeRedeemablePreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_SeriesGCumulativeRedeemablePreferredStockMember" abstract="true" name="SeriesGCumulativeRedeemablePreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_SeriesDCumulativeRedeemablePreferredStockMember" abstract="true" name="SeriesDCumulativeRedeemablePreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_GladstoneCommercialLimitedPartnershipMember" abstract="true" name="GladstoneCommercialLimitedPartnershipMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="good_MaximumAggregateSalesPriceOfSharesToBeIssuedUnderOpenMarketSaleAgreement" abstract="false" name="MaximumAggregateSalesPriceOfSharesToBeIssuedUnderOpenMarketSaleAgreement" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="good_TemporaryEquityContractTermsTriggerChangeInControlPercentage" abstract="false" name="TemporaryEquityContractTermsTriggerChangeInControlPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="good_TemporaryEquityContractTermsMinimumVoteNeededToTriggerChangeInControlFromTenderOffer" abstract="false" name="TemporaryEquityContractTermsMinimumVoteNeededToTriggerChangeInControlFromTenderOffer" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="good_SaleOfStockValueOfSharesAuthorizedToBeIssued" abstract="false" name="SaleOfStockValueOfSharesAuthorizedToBeIssued" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="good_NoncontrollingInterestOwnershipByNoncontrollingOwnersNumberOfSharesOutstanding" abstract="false" name="NoncontrollingInterestOwnershipByNoncontrollingOwnersNumberOfSharesOutstanding" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="good_NoncontrollingInterestOwnershipByNoncontrollingOwnersNumberOfSharesWeightedAverage" abstract="false" name="NoncontrollingInterestOwnershipByNoncontrollingOwnersNumberOfSharesWeightedAverage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="good_RyanCarterMember" abstract="true" name="RyanCarterMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
