﻿<?xml version="1.0" encoding="utf-8"?>
<Return returnVersion="2024v5.0" xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-03-15T20:47:47-07:00</ReturnTs>
    <TaxPeriodEndDt>2025-10-31</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-11-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>843654846</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>SUZANNE C AND HENRY L LENNARD INSTITUTE FOR LIVABLE CITIES INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>SUZA</BusinessNameControlTxt>
      <PhoneNum>5032504449</PhoneNum>
      <USAddress>
        <AddressLine1Txt>506 E 9th Street</AddressLine1Txt>
        <CityNm>The Dalles</CityNm>
        <StateAbbreviationCd>OR</StateAbbreviationCd>
        <ZIPCd>97058</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Michael Mehaffy</PersonNm>
      <PersonTitleTxt>Executive Director</PersonTitleTxt>
      <PhoneNum>5032504449</PhoneNum>
      <SignatureDt>2026-03-15</SignatureDt>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="R000001" referenceDocumentId="R000003" softwareId="24021167" softwareVersionNum="v1.00">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <Organization501c3Ind referenceDocumentId="R000002">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>68573</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>25000</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>41948</ProgramServiceRevenueAmt>
      <MembershipDuesAmt>0</MembershipDuesAmt>
      <InvestmentIncomeAmt>0</InvestmentIncomeAmt>
      <SaleOfAssetsGrossAmt>0</SaleOfAssetsGrossAmt>
      <CostOrOtherBasisExpenseSaleAmt>0</CostOrOtherBasisExpenseSaleAmt>
      <GainOrLossFromSaleOfAssetsAmt>0</GainOrLossFromSaleOfAssetsAmt>
      <GamingGrossIncomeAmt>0</GamingGrossIncomeAmt>
      <FundraisingGrossIncomeAmt fndrsngEventContriPrevRptAmt="0">0</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>0</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>0</SpecialEventsNetIncomeLossAmt>
      <GrossSalesOfInventoryAmt>0</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>0</CostOfGoodsSoldAmt>
      <GrossProfitLossSlsOfInvntryAmt>0</GrossProfitLossSlsOfInvntryAmt>
      <OtherRevenueTotalAmt>1625</OtherRevenueTotalAmt>
      <TotalRevenueAmt>68573</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>0</GrantsAndSimilarAmountsPaidAmt>
      <BenefitsPaidToOrForMembersAmt>0</BenefitsPaidToOrForMembersAmt>
      <SalariesOtherCompEmplBnftAmt>14438</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>2131</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>0</OccupancyRentUtltsAndMaintAmt>
      <PrintingPublicationsPostageAmt>95</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>48645</OtherExpensesTotalAmt>
      <TotalExpensesAmt>65309</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>3264</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>39400</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>92</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>42756</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>39492</BOYAmt>
        <EOYAmt>42756</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>39492</BOYAmt>
        <EOYAmt>42756</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>92</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>39400</BOYAmt>
        <EOYAmt>42756</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>To advance education and research on livable cities and human-centered urban development through conferences, publications, and related educational programs.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Conducted a major conference on livable cities with over 100 attendees including scholars, practitioners, and public officials to exchange research and practical knowledge on making cities livable.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>50871</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>50871</TotalProgramServiceExpensesAmt>
      <InfoInScheduleOPartIVInd>X</InfoInScheduleOPartIVInd>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Michael Mehaffy</PersonNm>
        <TitleTxt>Executive Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Jim Brainard</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Tigran Haas</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <InfoInScheduleOPartVInd>X</InfoInScheduleOPartVInd>
      <ActivitiesNotPreviouslyRptInd>0</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>0</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>0</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>0</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <Form1120PolFiledInd>0</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>0</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>IN</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>OR</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>Michael Mehaffy</PersonNm>
        <USAddress>
          <AddressLine1Txt>506 E 9th Street</AddressLine1Txt>
          <CityNm>The Dalles</CityNm>
          <StateAbbreviationCd>OR</StateAbbreviationCd>
          <ZIPCd>97058</ZIPCd>
        </USAddress>
        <PhoneNum>5032504449</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <DonorAdvisedFndsInd>0</DonorAdvisedFndsInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <TanningServicesProvidedInd>0</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>0</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>1</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="R000002" softwareId="24021167" softwareVersionNum="v1.00">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>66634</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>59678</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>70894</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>72386</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>66948</CurrentTaxYearAmt>
        <TotalAmt>336540</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>66634</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>59678</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>70894</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>72386</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>66948</CurrentTaxYearAmt>
        <TotalAmt>336540</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>336540</PublicSupportTotal509Amt>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>66634</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>59678</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>70894</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>72386</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>66948</CurrentTaxYearAmt>
        <TotalAmt>336540</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>1</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>1</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="R000003" softwareId="24021167" softwareVersionNum="v1.00">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 8</FormAndLineReferenceDesc>
        <ExplanationTxt>Other revenue consists primarily of reimbursements and minor adjustments associated with conference logistics and operations.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Other Expenses: Office Expenses $588 Other Expenses: Information Technology $2,071 Other Expenses: Travel $26,298 Other Expenses: Conferences Conventions, and Meetings. $19,336 Other Expenses: Insurance. $44 Other Expenses: Outside Contract Services. $5,233 Other Expenses: Bank Fees $519 Other Expenses: Registration Fees $350 Other Expenses: Parking $214</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 20</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization reported a payroll tax withholding liability of $92 at the end of the prior fiscal year. That liability was paid during the current fiscal year and no such liability existed at the end of the current year. The adjustment affects the reconciliation between beginning and ending net assets reported on the statement of revenues and expenses and the balance sheet.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part III, Line (28-31)</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization reports its financial information on the cash method of accounting. The organization's principal activity during the fiscal year consisted of organizing and conducting educational conferences and related programs on livable cities, architecture, and human-centered urban development. Program activities during the year related primarily to the organization's annual conference on livable cities and related educational programming. These activities further the organization's exempt educational purposes.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part IV</FormAndLineReferenceDesc>
        <ExplanationTxt>During the fiscal year, Peter Elmlund completed his service as a member of the Board of Directors, and James Brainard joined the Board.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part V, Line 35a</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization had no unrelated business income or tax filings for same.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>