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  <xsd:element name="MaximumOwnershipInAllTaxableREITSubsidiariesAsPercentageOfAssetsOfEntityToMaintainREITStatusIncludingOtherNonRealEstateAssets" id="fsp_MaximumOwnershipInAllTaxableREITSubsidiariesAsPercentageOfAssetsOfEntityToMaintainREITStatusIncludingOtherNonRealEstateAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MaximumOwnershipPercentageInEachIssuerOtherThanREITOrTRSToMaintainREITStatus" id="fsp_MaximumOwnershipPercentageInEachIssuerOtherThanREITOrTRSToMaintainREITStatus" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NoticePeriodForCancellationOfAssetManagementFeeContract" id="fsp_NoticePeriodForCancellationOfAssetManagementFeeContract" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLossCarryforwardAbstract" id="fsp_OperatingLossCarryforwardAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLossCarryforwardsExpirationPeriod" id="fsp_OperatingLossCarryforwardsExpirationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OrganizationAndConsolidationLineItems" id="fsp_OrganizationAndConsolidationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OrganizationAndConsolidationTable" id="fsp_OrganizationAndConsolidationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodOfStatuteOfLimitations" id="fsp_PeriodOfStatuteOfLimitations" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnfavorableRealEstateLeasesAccumulatedAmortization" id="fsp_UnfavorableRealEstateLeasesAccumulatedAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfVestingRequirements" id="fsp_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfVestingRequirements" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element id="fsp_StockIncentivePlan2002Member" name="StockIncentivePlan2002Member" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="fsp_BMOTermLoanMember" name="BMOTermLoanMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="fsp_DisposalGroupIncludingDiscontinuedOperationRealEstateTaxesAndInsurance" name="DisposalGroupIncludingDiscontinuedOperationRealEstateTaxesAndInsurance" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="fsp_FspMonumentCircleLlcMember" name="FspMonumentCircleLlcMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="fsp_SeniorNotesUnamortizedDebtIssuanceExpense" name="SeniorNotesUnamortizedDebtIssuanceExpense" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="fsp_RentalRealEstateMember" name="RentalRealEstateMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="fsp_LeaseDisclosureTextBlock" name="LeaseDisclosureTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="fsp_SummaryOfIncomeRelatingToLeasePaymentsAndUndiscountedCashFlows" name="SummaryOfIncomeRelatingToLeasePaymentsAndUndiscountedCashFlows" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="fsp_OperatingLossCarryForwardsREITSubsidiary" name="OperatingLossCarryForwardsREITSubsidiary" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="fsp_CompensationCost" name="CompensationCost" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="fsp_OperatingLeaseLeaseIncomeLessStraightLineRentAdjustmentAndAmortizationOfFavorableAndUnfavorableLeases" name="OperatingLeaseLeaseIncomeLessStraightLineRentAdjustmentAndAmortizationOfFavorableAndUnfavorableLeases" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element name="NumberOfPropertiesOwnedAndConsolidated" id="fsp_NumberOfPropertiesOwnedAndConsolidated" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NumberOfPropertiesClassifiedAsAssetsHeldForSale" id="fsp_NumberOfPropertiesClassifiedAsAssetsHeldForSale" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="BofaTermLoanMember" id="fsp_BofaTermLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InterestIncome" id="fsp_InterestIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="Percent8.00SeriesSeniorNotesDueApril12026Member" id="fsp_Percent8.00SeriesSeniorNotesDueApril12026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Percent8.00SeriesBSeniorNotesDueApril12026Member" id="fsp_Percent8.00SeriesBSeniorNotesDueApril12026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationRealEstateInvestmentPropertyNet" id="fsp_DisposalGroupIncludingDiscontinuedOperationRealEstateInvestmentPropertyNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RealEstateOperationsMember" id="fsp_RealEstateOperationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PropertyInIndianapolisIndianaMember" id="fsp_PropertyInIndianapolisIndianaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeriesNotesAndSeriesBNotesMember" id="fsp_SeriesNotesAndSeriesBNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AssetsHeldForSaleFinalSalesAdjustmentAmount" id="fsp_AssetsHeldForSaleFinalSalesAdjustmentAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="InitialTermLoanMember" id="fsp_InitialTermLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Upon36thMonthAnniversaryOfClosingDateMember" id="fsp_Upon36thMonthAnniversaryOfClosingDateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Upon39thMonthAnniversaryOfClosingDateMember" id="fsp_Upon39thMonthAnniversaryOfClosingDateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Upon42ndMonthAnniversaryOfClosingDateMember" id="fsp_Upon42ndMonthAnniversaryOfClosingDateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Upon45thMonthAnniversaryOfClosingDateMember" id="fsp_Upon45thMonthAnniversaryOfClosingDateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Upon48thMonthAnniversaryOfClosingDateMember" id="fsp_Upon48thMonthAnniversaryOfClosingDateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DebtInstrumentExtensionTerm" id="fsp_DebtInstrumentExtensionTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DebtInstrumentOriginalIssueDiscountPercentage" id="fsp_DebtInstrumentOriginalIssueDiscountPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DebtInstrumentInterestRateUponExerciseOfExtensionOptionPercentage" id="fsp_DebtInstrumentInterestRateUponExerciseOfExtensionOptionPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DebtInstrumentExtensionFeePercentage" id="fsp_DebtInstrumentExtensionFeePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DebtInstrumentExitFeesPercentage" id="fsp_DebtInstrumentExitFeesPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DebtInstrumentCovenantComplianceMinimumTangibleNetWorthAmount" id="fsp_DebtInstrumentCovenantComplianceMinimumTangibleNetWorthAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DebtInstrumentCovenantComplianceThresholdPercentageOfNetProceedsFromEquityOfferingsAfterCutOffDate" id="fsp_DebtInstrumentCovenantComplianceThresholdPercentageOfNetProceedsFromEquityOfferingsAfterCutOffDate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DebtInstrumentCovenantComplianceMinimumLiquidityInCashAndCashEquivalents" id="fsp_DebtInstrumentCovenantComplianceMinimumLiquidityInCashAndCashEquivalents" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DelayedDrawTermLoansMember" id="fsp_DelayedDrawTermLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LineOfCreditUnamortizedDiscountPremiumAndIssuanceCosts" id="fsp_LineOfCreditUnamortizedDiscountPremiumAndIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CashFlowNoncashInvestingActivitiesDisclosureAbstract" id="fsp_CashFlowNoncashInvestingActivitiesDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CashFlowNoncashFinancingActivitiesDisclosureAbstract" id="fsp_CashFlowNoncashFinancingActivitiesDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DebtInstrumentOriginalIssueDiscountAmount" id="fsp_DebtInstrumentOriginalIssueDiscountAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OperatingLossCarryforwardsReitSubsidiaryValuationAllowanceReversal" id="fsp_OperatingLossCarryforwardsReitSubsidiaryValuationAllowanceReversal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DebtInstrumentCovenantComplianceThresholdPercentageOfStepDownImpairmentCharge" id="fsp_DebtInstrumentCovenantComplianceThresholdPercentageOfStepDownImpairmentCharge" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NumberOfSeriesOfSeniorNotes" id="fsp_NumberOfSeriesOfSeniorNotes" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="GreenwoodPlazaPropertyEnglewoodColoradoMember" id="fsp_GreenwoodPlazaPropertyEnglewoodColoradoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GrossSalesPriceOfPropertyHeldForSale" id="fsp_GrossSalesPriceOfPropertyHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
</xsd:schema>
