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    <ReturnTs>2026-03-19T19:50:46-04:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <ReturnTypeCd>990PF</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>581968575</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>FREDERICK BLOCK FOUNDATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>FRED</BusinessNameControlTxt>
      <PhoneNum>9106224658</PhoneNum>
      <USAddress>
        <AddressLine1Txt>6233 TORTOISE LANE</AddressLine1Txt>
        <CityNm>WILMINGTON</CityNm>
        <StateAbbreviationCd>NC</StateAbbreviationCd>
        <ZIPCd>28409</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>ALISON BLOCK</PersonNm>
      <PersonTitleTxt>MANAGER</PersonTitleTxt>
      <PhoneNum>9106224658</PhoneNum>
      <SignatureDt>2026-03-19</SignatureDt>
    </BusinessOfficerGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
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      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <FMVAssetsEOYAmt>7640</FMVAssetsEOYAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
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        <NetInvestmentIncomeAmt>540</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>0</AdjustedNetIncomeAmt>
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        <TotalLiabilitiesBOYAmt>0</TotalLiabilitiesBOYAmt>
        <TotalLiabilitiesEOYAmt>0</TotalLiabilitiesEOYAmt>
        <TotNetAstOrFundBalancesBOYAmt>0</TotNetAstOrFundBalancesBOYAmt>
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        <TotalLiabilitiesNetAstEOYAmt>0</TotalLiabilitiesNetAstEOYAmt>
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        <ExcessRevenueOverExpensesAmt>540</ExcessRevenueOverExpensesAmt>
        <SubtotalAmt>540</SubtotalAmt>
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      <ExciseTaxBasedOnInvstIncmGrp>
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        <SubtotalAmt>8</SubtotalAmt>
        <TaxBasedOnInvestmentIncomeAmt>8</TaxBasedOnInvestmentIncomeAmt>
        <TotalPaymentsAndCreditsAmt>0</TotalPaymentsAndCreditsAmt>
        <TaxDueAmt>8</TaxDueAmt>
        <AppliedToESTaxAmt>0</AppliedToESTaxAmt>
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      <StatementsRegardingActyGrp>
        <LegislativePoliticalActyInd referenceDocumentName="ExplanationOfLegisPoliticalActivities BinaryAttachment">false</LegislativePoliticalActyInd>
        <MoreThan100SpentInd>false</MoreThan100SpentInd>
        <Form1120POLFiledInd>false</Form1120POLFiledInd>
        <Section4955OrganizationTaxAmt>0</Section4955OrganizationTaxAmt>
        <Section4955ManagersTaxAmt>0</Section4955ManagersTaxAmt>
        <TaxReimbursedAmt>0</TaxReimbursedAmt>
        <ActivitiesNotPreviouslyRptInd referenceDocumentName="ActivitiesNotPreviouslyReportedExplanation">false</ActivitiesNotPreviouslyRptInd>
        <ChangesToArticlesOrBylawsInd referenceDocumentName="BinaryAttachment">false</ChangesToArticlesOrBylawsInd>
        <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
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        <Section508eRqrSatisfiedInd>false</Section508eRqrSatisfiedInd>
        <Form990PFFiledWithAttyGenInd referenceDocumentName="ExplanationOfNonFilingWithAGStatement">false</Form990PFFiledWithAttyGenInd>
        <PrivateOperatingFoundationInd>false</PrivateOperatingFoundationInd>
        <NewSubstantialContributorsInd referenceDocumentName="SubstantialContributorsSchedule">false</NewSubstantialContributorsInd>
        <OwnControlledEntityInd referenceDocumentName="TransfersFromControlledEntitiesSchedule TransfersToControlledEntitiesSchedule">false</OwnControlledEntityInd>
        <DonorAdvisedFundInd referenceDocumentName="DonorAdvisedFundStatement">false</DonorAdvisedFundInd>
        <ComplyWithPublicInspRqrInd>false</ComplyWithPublicInspRqrInd>
        <IndividualWithBooksNm>ALISON BLOCK</IndividualWithBooksNm>
        <PhoneNum>9105408425</PhoneNum>
        <LocationOfBooksUSAddress>
          <AddressLine1Txt>6233 TORTOISE LN</AddressLine1Txt>
          <CityNm>WILMINGTON</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
          <ZIPCd>28409</ZIPCd>
        </LocationOfBooksUSAddress>
        <ForeignAccountsQuestionInd>false</ForeignAccountsQuestionInd>
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        <SaleOrExchDisqualifiedPrsnInd>false</SaleOrExchDisqualifiedPrsnInd>
        <BrrwOrLendDisqualifiedPrsnInd>false</BrrwOrLendDisqualifiedPrsnInd>
        <FurnGoodsDisqualifiedPrsnInd>false</FurnGoodsDisqualifiedPrsnInd>
        <PayCompDisqualifiedPrsnInd>false</PayCompDisqualifiedPrsnInd>
        <TransferAstDisqualifiedPrsnInd>false</TransferAstDisqualifiedPrsnInd>
        <PaymentToGovernmentOfficialInd>false</PaymentToGovernmentOfficialInd>
        <ActsFailToQlfyAsExceptionsInd>false</ActsFailToQlfyAsExceptionsInd>
        <UncorrectedPriorActsInd>false</UncorrectedPriorActsInd>
        <UndistributedIncomePYInd>false</UndistributedIncomePYInd>
        <BusinessHoldingsInd>false</BusinessHoldingsInd>
        <ExcessBusinessHoldingsInd>false</ExcessBusinessHoldingsInd>
        <JeopardyInvestmentsInd>false</JeopardyInvestmentsInd>
        <UncorrectedPYJeopardyInvstInd>false</UncorrectedPYJeopardyInvstInd>
        <InfluenceLegislationInd>false</InfluenceLegislationInd>
        <InfluenceElectionInd>false</InfluenceElectionInd>
        <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
        <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
        <NoncharitablePurposeInd>false</NoncharitablePurposeInd>
        <TransactionsFailToQlfyAsExcInd>false</TransactionsFailToQlfyAsExcInd>
        <MaintainedExpenditureRspnsInd referenceDocumentName="ExpenditureResponsibilityStatement">false</MaintainedExpenditureRspnsInd>
        <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
        <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
        <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
        <ProceedsOrNetIncomeInd>false</ProceedsOrNetIncomeInd>
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            <CityNm>WILMINGTON</CityNm>
            <StateAbbreviationCd>NC</StateAbbreviationCd>
            <ZIPCd>28409</ZIPCd>
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          <AverageHrsPerWkDevotedToPosRt>1</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
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        <CompOfHghstPdEmplOrNONETxt>NONE</CompOfHghstPdEmplOrNONETxt>
        <OtherEmployeePaidOver50kCnt>0</OtherEmployeePaidOver50kCnt>
        <CompOfHghstPdCntrctOrNONETxt>NONE</CompOfHghstPdCntrctOrNONETxt>
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      <SumOfProgramRelatedInvstGrp>
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        <TotalAmt>0</TotalAmt>
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      <MinimumInvestmentReturnGrp>
        <AverageMonthlyFMVOfSecAmt>7500</AverageMonthlyFMVOfSecAmt>
        <AverageMonthlyCashBalancesAmt>25</AverageMonthlyCashBalancesAmt>
        <FMVAllOtherNoncharitableAstAmt>0</FMVAllOtherNoncharitableAstAmt>
        <TotalFMVOfUnusedAssetsAmt>7525</TotalFMVOfUnusedAssetsAmt>
        <AdjustedTotalFMVOfUnusedAstAmt>7525</AdjustedTotalFMVOfUnusedAstAmt>
        <CashDeemedCharitableAmt referenceDocumentName="CashDeemedCharitableExplanationStatement">113</CashDeemedCharitableAmt>
        <NetVlNoncharitableAssetsAmt>7412</NetVlNoncharitableAssetsAmt>
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        <TaxBasedOnInvestmentIncomeAmt>8</TaxBasedOnInvestmentIncomeAmt>
        <TotalTaxAmt>8</TotalTaxAmt>
        <DistributableBeforeAdjAmt>363</DistributableBeforeAdjAmt>
        <DistributableBeforeDedAmt>363</DistributableBeforeDedAmt>
        <DistributableAsAdjustedAmt>363</DistributableAsAdjustedAmt>
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      <PFQualifyingDistributionsGrp>
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        <ProgramRelatedInvstTotalAmt>0</ProgramRelatedInvstTotalAmt>
        <QualifyingDistributionsAmt>0</QualifyingDistributionsAmt>
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        <DistributableAsAdjustedAmt>0</DistributableAsAdjustedAmt>
        <PriorYear1Yr>2023</PriorYear1Yr>
        <PriorYear2Yr>2022</PriorYear2Yr>
        <PriorYear3Yr>2021</PriorYear3Yr>
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        <ExcessDistriCyovToNextYrAmt>0</ExcessDistriCyovToNextYrAmt>
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        <SubtotalsIncmProducingActyGrp>
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        <SharingOfFacilitiesEtcInd>false</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>false</RelationshipsNonchrtblEOInd>
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        <PersonNm>ALISON BLOCK</PersonNm>
        <ShortExplanationTxt>NOT MUCH ACTIVITY AT THIS TIME</ShortExplanationTxt>
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