﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2024v5.1" xsi:schemaLocation="http://www.irs.gov/efile">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-04-28T08:43:09-07:00</ReturnTs>
    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Eisphora Tax Service LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>7951 Riviera Blvd STE 401</AddressLine1Txt>
        <CityNm>Miramar</CityNm>
        <StateAbbreviationCd>FL</StateAbbreviationCd>
        <ZIPCd>33023</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990PF</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>876470135</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>SUNDERMEYER FAMILY FOUNDATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>SUND</BusinessNameControlTxt>
      <PhoneNum>4076006783</PhoneNum>
      <USAddress>
        <AddressLine1Txt>1219 KELSO BLVD</AddressLine1Txt>
        <CityNm>WINDERMERE</CityNm>
        <StateAbbreviationCd>FL</StateAbbreviationCd>
        <ZIPCd>34786</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Chad Sundermeyer</PersonNm>
      <PersonTitleTxt>Trustee</PersonTitleTxt>
      <SignatureDt>2025-04-28</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>GABRIEL KU</PreparerPersonNm>
      <PTIN>P01543984</PTIN>
      <PhoneNum>2108964944</PhoneNum>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990PF documentId="IRS990PF" referenceDocumentId="GeneralExplanation" softwareId="24020486" softwareVersionNum="2024v5.1">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <FMVAssetsEOYAmt>1808539</FMVAssetsEOYAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AnalysisOfRevenueAndExpenses>
        <ContriRcvdRevAndExpnssAmt>531058</ContriRcvdRevAndExpnssAmt>
        <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
        <InterestOnSavRevAndExpnssAmt>107181</InterestOnSavRevAndExpnssAmt>
        <InterestOnSavNetInvstIncmAmt>107181</InterestOnSavNetInvstIncmAmt>
        <InterestOnSavingsAdjNetIncmAmt>107181</InterestOnSavingsAdjNetIncmAmt>
        <TotalRevAndExpnssAmt>638239</TotalRevAndExpnssAmt>
        <TotalNetInvstIncmAmt>107181</TotalNetInvstIncmAmt>
        <TotalAdjNetIncmAmt>107181</TotalAdjNetIncmAmt>
        <AccountingFeesRevAndExpnssAmt referenceDocumentId="AccountingFeesSchedule">8775</AccountingFeesRevAndExpnssAmt>
        <AccountingFeesChrtblPrpsAmt>8775</AccountingFeesChrtblPrpsAmt>
        <TaxesRevAndExpnssAmt referenceDocumentId="TaxesSchedule">378</TaxesRevAndExpnssAmt>
        <TaxesDsbrsChrtblAmt>378</TaxesDsbrsChrtblAmt>
        <TravConfMeetingRevAndExpnssAmt>32769</TravConfMeetingRevAndExpnssAmt>
        <TravConfMeetingDsbrsChrtblAmt>32769</TravConfMeetingDsbrsChrtblAmt>
        <TotOprExpensesRevAndExpnssAmt>41922</TotOprExpensesRevAndExpnssAmt>
        <TotOprExpensesNetInvstIncmAmt>0</TotOprExpensesNetInvstIncmAmt>
        <TotOprExpensesDsbrsChrtblAmt>41922</TotOprExpensesDsbrsChrtblAmt>
        <ContriPaidRevAndExpnssAmt>40350</ContriPaidRevAndExpnssAmt>
        <ContriPaidDsbrsChrtblAmt>40350</ContriPaidDsbrsChrtblAmt>
        <TotalExpensesRevAndExpnssAmt>82272</TotalExpensesRevAndExpnssAmt>
        <TotalExpensesNetInvstIncmAmt>0</TotalExpensesNetInvstIncmAmt>
        <TotalExpensesDsbrsChrtblAmt>82272</TotalExpensesDsbrsChrtblAmt>
        <ExcessRevenueOverExpensesAmt>555967</ExcessRevenueOverExpensesAmt>
        <NetInvestmentIncomeAmt>107181</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>107181</AdjustedNetIncomeAmt>
      </AnalysisOfRevenueAndExpenses>
      <Form990PFBalanceSheetsGrp>
        <CashBOYAmt>3846</CashBOYAmt>
        <CashEOYAmt>559812</CashEOYAmt>
        <CashEOYFMVAmt>559812</CashEOYFMVAmt>
        <PledgesRcvblAmt>90095</PledgesRcvblAmt>
        <PledgesRcvblEOYAmt>90095</PledgesRcvblEOYAmt>
        <PledgesRcvblEOYFMVAmt>90095</PledgesRcvblEOYFMVAmt>
        <OtherNtsAndLoansRcvblAmt>1158632</OtherNtsAndLoansRcvblAmt>
        <OtherNtsAndLoansRcvblBOYAmt>1248726</OtherNtsAndLoansRcvblBOYAmt>
        <OtherNtsAndLoansRcvblEOYAmt>1158632</OtherNtsAndLoansRcvblEOYAmt>
        <OtherNtsAndLoansRcvblEOYFMVAmt>1158632</OtherNtsAndLoansRcvblEOYFMVAmt>
        <TotalAssetsBOYAmt>1252572</TotalAssetsBOYAmt>
        <TotalAssetsEOYAmt>1808539</TotalAssetsEOYAmt>
        <TotalAssetsEOYFMVAmt>1808539</TotalAssetsEOYFMVAmt>
        <TotalLiabilitiesEOYAmt>0</TotalLiabilitiesEOYAmt>
        <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
        <RetainedEarningBOYAmt>1252572</RetainedEarningBOYAmt>
        <RetainedEarningEOYAmt>1808539</RetainedEarningEOYAmt>
        <TotNetAstOrFundBalancesBOYAmt>1252572</TotNetAstOrFundBalancesBOYAmt>
        <TotNetAstOrFundBalancesEOYAmt>1808539</TotNetAstOrFundBalancesEOYAmt>
        <TotalLiabilitiesNetAstBOYAmt>1252572</TotalLiabilitiesNetAstBOYAmt>
        <TotalLiabilitiesNetAstEOYAmt>1808539</TotalLiabilitiesNetAstEOYAmt>
      </Form990PFBalanceSheetsGrp>
      <ChgInNetAssetsFundBalancesGrp>
        <TotNetAstOrFundBalancesBOYAmt>1252572</TotNetAstOrFundBalancesBOYAmt>
        <ExcessRevenueOverExpensesAmt>555967</ExcessRevenueOverExpensesAmt>
        <SubtotalAmt>1808539</SubtotalAmt>
        <TotNetAstOrFundBalancesEOYAmt>1808539</TotNetAstOrFundBalancesEOYAmt>
      </ChgInNetAssetsFundBalancesGrp>
      <ExciseTaxBasedOnInvstIncmGrp>
        <InvestmentIncomeExciseTaxAmt>1490</InvestmentIncomeExciseTaxAmt>
        <SubtotalAmt>1490</SubtotalAmt>
        <TaxBasedOnInvestmentIncomeAmt>1490</TaxBasedOnInvestmentIncomeAmt>
        <ExtsnRequestIncomeTaxPaidAmt>1508</ExtsnRequestIncomeTaxPaidAmt>
        <TotalPaymentsAndCreditsAmt>1508</TotalPaymentsAndCreditsAmt>
        <Form2220AttachedInd referenceDocumentId="IRS2220">X</Form2220AttachedInd>
        <EsPenaltyAmt>18</EsPenaltyAmt>
        <TaxDueAmt>0</TaxDueAmt>
        <AppliedToESTaxAmt>0</AppliedToESTaxAmt>
      </ExciseTaxBasedOnInvstIncmGrp>
      <StatementsRegardingActyGrp>
        <LegislativePoliticalActyInd>false</LegislativePoliticalActyInd>
        <MoreThan100SpentInd>false</MoreThan100SpentInd>
        <Form1120POLFiledInd>false</Form1120POLFiledInd>
        <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
        <ChangesToArticlesOrBylawsInd>false</ChangesToArticlesOrBylawsInd>
        <UnrelatedBusIncmOverLimitInd>true</UnrelatedBusIncmOverLimitInd>
        <Form990TFiledInd>false</Form990TFiledInd>
        <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
        <Section508eRqrSatisfiedInd>false</Section508eRqrSatisfiedInd>
        <AtLeast5000InAssetsInd>true</AtLeast5000InAssetsInd>
        <Form990PFFiledWithAttyGenInd>true</Form990PFFiledWithAttyGenInd>
        <PrivateOperatingFoundationInd>false</PrivateOperatingFoundationInd>
        <NewSubstantialContributorsInd>false</NewSubstantialContributorsInd>
        <OwnControlledEntityInd>false</OwnControlledEntityInd>
        <DonorAdvisedFundInd>false</DonorAdvisedFundInd>
        <ComplyWithPublicInspRqrInd>true</ComplyWithPublicInspRqrInd>
        <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
        <PersonsWithBooksName>
          <BusinessNameLine1Txt>Chad Sundermeyer</BusinessNameLine1Txt>
        </PersonsWithBooksName>
        <PhoneNum>4076006783</PhoneNum>
        <LocationOfBooksUSAddress>
          <AddressLine1Txt>1219 Kelso Blvd</AddressLine1Txt>
          <CityNm>Windermere</CityNm>
          <StateAbbreviationCd>FL</StateAbbreviationCd>
          <ZIPCd>34786</ZIPCd>
        </LocationOfBooksUSAddress>
        <ForeignAccountsQuestionInd>false</ForeignAccountsQuestionInd>
      </StatementsRegardingActyGrp>
      <StatementsRegardingActy4720Grp>
        <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>
        <JeopardyInvestmentsInd>false</JeopardyInvestmentsInd>
        <UncorrectedPYJeopardyInvstInd>false</UncorrectedPYJeopardyInvstInd>
        <InfluenceLegislationInd>false</InfluenceLegislationInd>
        <InfluenceElectionInd>false</InfluenceElectionInd>
        <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
        <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
        <NoncharitablePurposeInd>false</NoncharitablePurposeInd>
        <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
        <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
        <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
        <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      </StatementsRegardingActy4720Grp>
      <OfficerDirTrstKeyEmplInfoGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Chad Sundermeyer</PersonNm>
          <USAddress>
            <AddressLine1Txt>1219 Kelso Blvd</AddressLine1Txt>
            <CityNm>Windermere</CityNm>
            <StateAbbreviationCd>FL</StateAbbreviationCd>
            <ZIPCd>34786</ZIPCd>
          </USAddress>
          <TitleTxt>Trustee</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <CompOfHghstPdEmplOrNONETxt>NONE</CompOfHghstPdEmplOrNONETxt>
        <CompOfHghstPdCntrctOrNONETxt>NONE</CompOfHghstPdCntrctOrNONETxt>
      </OfficerDirTrstKeyEmplInfoGrp>
      <MinimumInvestmentReturnGrp>
        <AverageMonthlyFMVOfSecAmt>279906</AverageMonthlyFMVOfSecAmt>
        <AverageMonthlyCashBalancesAmt>0</AverageMonthlyCashBalancesAmt>
        <FMVAllOtherNoncharitableAstAmt>1248727</FMVAllOtherNoncharitableAstAmt>
        <TotalFMVOfUnusedAssetsAmt>1528633</TotalFMVOfUnusedAssetsAmt>
        <ReductionClaimedAmt>0</ReductionClaimedAmt>
        <AdjustedTotalFMVOfUnusedAstAmt>1528633</AdjustedTotalFMVOfUnusedAstAmt>
        <CashDeemedCharitableAmt>22929</CashDeemedCharitableAmt>
        <NetVlNoncharitableAssetsAmt>1505704</NetVlNoncharitableAssetsAmt>
        <MinimumInvestmentReturnAmt>75285</MinimumInvestmentReturnAmt>
      </MinimumInvestmentReturnGrp>
      <DistributableAmountGrp>
        <MinimumInvestmentReturnAmt>75285</MinimumInvestmentReturnAmt>
        <TaxBasedOnInvestmentIncomeAmt>1490</TaxBasedOnInvestmentIncomeAmt>
        <TotalTaxAmt>1490</TotalTaxAmt>
        <DistributableBeforeAdjAmt>73795</DistributableBeforeAdjAmt>
        <DistributableBeforeDedAmt>73795</DistributableBeforeDedAmt>
        <DistributableAsAdjustedAmt>73795</DistributableAsAdjustedAmt>
      </DistributableAmountGrp>
      <PFQualifyingDistributionsGrp>
        <ExpensesAndContributionsAmt>82272</ExpensesAndContributionsAmt>
        <QualifyingDistributionsAmt>82272</QualifyingDistributionsAmt>
      </PFQualifyingDistributionsGrp>
      <UndistributedIncomeGrp>
        <DistributableAsAdjustedAmt>73795</DistributableAsAdjustedAmt>
        <ExcessDistributionCyovYr2Amt>6054</ExcessDistributionCyovYr2Amt>
        <TotalExcessDistributionCyovAmt>6054</TotalExcessDistributionCyovAmt>
        <QualifyingDistributionsAmt>82272</QualifyingDistributionsAmt>
        <TreatedAsDistriFromCorpusAmt>0</TreatedAsDistriFromCorpusAmt>
        <AppliedToCurrentYearAmt>73795</AppliedToCurrentYearAmt>
        <RemainingDistriFromCorpusAmt>8477</RemainingDistriFromCorpusAmt>
        <TotalCorpusAmt>14531</TotalCorpusAmt>
        <UndistributedIncomeCYAmt>0</UndistributedIncomeCYAmt>
        <ExcessDistriCyovToNextYrAmt>14531</ExcessDistriCyovToNextYrAmt>
        <ExcessFromYear2Amt>6054</ExcessFromYear2Amt>
        <ExcessFromCurrentYearAmt>8477</ExcessFromCurrentYearAmt>
      </UndistributedIncomeGrp>
      <SupplementaryInformationGrp>
        <OnlyContriToPreselectedInd>X</OnlyContriToPreselectedInd>
        <GrantOrContributionPdDurYrGrp>
          <RecipientPersonNm>FOUNDATION ACADEMY</RecipientPersonNm>
          <RecipientUSAddress>
            <AddressLine1Txt>125 ESAT PLANT ST</AddressLine1Txt>
            <CityNm>WINTER GARDEN</CityNm>
            <StateAbbreviationCd>FL</StateAbbreviationCd>
            <ZIPCd>34787</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>POF</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>GIFT</GrantOrContributionPurposeTxt>
          <Amt>30150</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientPersonNm>THE BACK STOPPERS INC</RecipientPersonNm>
          <RecipientUSAddress>
            <AddressLine1Txt>10411 CLAYTON ROAD</AddressLine1Txt>
            <CityNm>ST LOUIS</CityNm>
            <StateAbbreviationCd>MO</StateAbbreviationCd>
            <ZIPCd>63131</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>POF</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>GIFT</GrantOrContributionPurposeTxt>
          <Amt>1000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientPersonNm>DISCOVERY CHURCH</RecipientPersonNm>
          <RecipientUSAddress>
            <AddressLine1Txt>4064 Winter Garden Vineland Rd</AddressLine1Txt>
            <CityNm>WINTER GARDEN</CityNm>
            <StateAbbreviationCd>FL</StateAbbreviationCd>
            <ZIPCd>34787</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>POF</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>GIFT</GrantOrContributionPurposeTxt>
          <Amt>4200</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientPersonNm>UNIVERSITY OF TAMPA</RecipientPersonNm>
          <RecipientUSAddress>
            <AddressLine1Txt>401 W KENNEDY BLVD</AddressLine1Txt>
            <CityNm>TAMPA</CityNm>
            <StateAbbreviationCd>FL</StateAbbreviationCd>
            <ZIPCd>33606</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>POF</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>GIFT</GrantOrContributionPurposeTxt>
          <Amt>5000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>40350</TotalGrantOrContriPdDurYrAmt>
      </SupplementaryInformationGrp>
      <AnalysisIncomeProducingActyGrp>
        <IntOnSavAndTempCashInvstGrp>
          <UnrelatedBusinessTaxblIncmAmt>107181</UnrelatedBusinessTaxblIncmAmt>
        </IntOnSavAndTempCashInvstGrp>
        <SubtotalsIncmProducingActyGrp>
          <UnrelatedBusinessTaxblIncmAmt>107181</UnrelatedBusinessTaxblIncmAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>107181</TotalIncomeProducingActyAmt>
      </AnalysisIncomeProducingActyGrp>
      <TrnsfrTransRlnNonchrtblEOGrp>
        <TrnsfrOfCashToNonchrtblEOInd>false</TrnsfrOfCashToNonchrtblEOInd>
        <TrnsfrOtherAssetNonchrtblEOInd>false</TrnsfrOtherAssetNonchrtblEOInd>
        <SalesOrExchangesOfAssetsInd>false</SalesOrExchangesOfAssetsInd>
        <PurchaseOfAssetsNonchrtblEOInd>false</PurchaseOfAssetsNonchrtblEOInd>
        <RentalOfFacilitiesOthAssetsInd>false</RentalOfFacilitiesOthAssetsInd>
        <ReimbursementArrangementsInd>false</ReimbursementArrangementsInd>
        <LoansOrLoanGuaranteesInd>false</LoansOrLoanGuaranteesInd>
        <PerformanceOfServicesEtcInd>false</PerformanceOfServicesEtcInd>
        <SharingOfFacilitiesEtcInd>false</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>false</RelationshipsNonchrtblEOInd>
      </TrnsfrTransRlnNonchrtblEOGrp>
    </IRS990PF>
    <AccountingFeesSchedule documentId="AccountingFeesSchedule" softwareId="24020486" softwareVersionNum="2024v5.1">
      <AccountingFeesDetail>
        <Amt>8775</Amt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>0</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>8775</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
    </AccountingFeesSchedule>
    <TaxesSchedule documentId="TaxesSchedule" softwareId="24020486" softwareVersionNum="2024v5.1">
      <TaxesDetail>
        <Amt>378</Amt>
        <DisbursementsCharitablePrpsAmt>378</DisbursementsCharitablePrpsAmt>
      </TaxesDetail>
    </TaxesSchedule>
  </ReturnData>
</Return>