﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" returnVersion="2024v5.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-12-08T09:29:27-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>930695984</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>BRUCE R TABOR CPA PC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>7501 SW FINDLAY RD</AddressLine1Txt>
        <CityNm>PORTLAND</CityNm>
        <StateAbbreviationCd>OR</StateAbbreviationCd>
        <ZIPCd>97224</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>943090360</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>TUALATIN HISTORICAL SOCIETY</BusinessNameLine1Txt>
      </BusinessName>
      <InCareOfNm>% KRISTINA WHEELOCK</InCareOfNm>
      <BusinessNameControlTxt>TUAL</BusinessNameControlTxt>
      <PhoneNum>5038851926</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 1055</AddressLine1Txt>
        <CityNm>TUALATIN</CityNm>
        <StateAbbreviationCd>OR</StateAbbreviationCd>
        <ZIPCd>970627089</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>KRISTINA WHEELOCK</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>5036451596</PhoneNum>
      <SignatureDt>2025-12-01</SignatureDt>
      <DiscussWithPaidPreparerInd>false</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>MARK TABOR EA LTC</PreparerPersonNm>
      <PTIN>P00410699</PTIN>
      <PhoneNum>5035981011</PhoneNum>
      <PreparationDt>2025-12-08</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="IRS990EZ" referenceDocumentId="IRS990ScheduleO-196-Copy1">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>WWW.TUALATINHISTORICALSOCIETY.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="IRS990ScheduleA">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>54291</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>32495</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>1758</ProgramServiceRevenueAmt>
      <MembershipDuesAmt>7448</MembershipDuesAmt>
      <InvestmentIncomeAmt>3215</InvestmentIncomeAmt>
      <FundraisingGrossIncomeAmt referenceDocumentId="IRS990ScheduleG-182-Copy1">9375</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>4315</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>5060</SpecialEventsNetIncomeLossAmt>
      <TotalRevenueAmt>49976</TotalRevenueAmt>
      <SalariesOtherCompEmplBnftAmt>26565</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>2045</FeesAndOtherPymtToIndCntrctAmt>
      <OtherExpensesTotalAmt>18290</OtherExpensesTotalAmt>
      <TotalExpensesAmt>46900</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>3076</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>134619</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>137695</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>81392</BOYAmt>
        <EOYAmt>75277</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <BOYAmt>11133</BOYAmt>
        <EOYAmt>17227</EOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>43080</BOYAmt>
        <EOYAmt>46175</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>135605</BOYAmt>
        <EOYAmt>138679</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>986</BOYAmt>
        <EOYAmt>984</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>134619</BOYAmt>
        <EOYAmt>137695</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>PRESERVE,INTERPRET,PROMOTE TUALATIN HIST</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PROVIDE EDUCATIONAL PROGRAMS AND MATERIALS WHICH INFORM COMMUNITY MEMBERS ABOUT LOCAL HISTORY, THROUGH MONTHLY EDUCATIONAL PROGRAMS, NEWSLETTERS AND OTHER EVENTS.</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>0</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>0</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ROSS BAKER</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>9.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BARBARA STINGER</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LARRY MCCLURE</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ART SASAKI</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SANDRA LAFKY CARLSON</PersonNm>
        <TitleTxt>CO HISTORIAN</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>6.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>YVONNE ADDINGTON</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KRISTINA WHEELOCK</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>6.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>APRIL WICKER</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>STELLA USELMAN</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MATT KLEINKE</PersonNm>
        <TitleTxt>MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>OR</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>KRISTINA WHEELOCK</PersonNm>
        <USAddress>
          <AddressLine1Txt>PO BOX 1055</AddressLine1Txt>
          <CityNm>TUALATIN</CityNm>
          <StateAbbreviationCd>OR</StateAbbreviationCd>
          <ZIPCd>970627089</ZIPCd>
        </USAddress>
        <PhoneNum>5038851926</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="IRS990ScheduleA">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>52915</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>60972</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>60228</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>53483</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>49318</CurrentTaxYearAmt>
        <TotalAmt>276916</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>834</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>4871</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2398</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2992</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1758</CurrentTaxYearAmt>
        <TotalAmt>12853</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>53749</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>65843</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>62626</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>56475</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>51076</CurrentTaxYearAmt>
        <TotalAmt>289769</TotalAmt>
      </Total509Grp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>0</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>289769</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>490</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>50</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>93</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>3159</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3215</CurrentTaxYearAmt>
        <TotalAmt>7007</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>490</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>50</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>93</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>3159</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3215</CurrentTaxYearAmt>
        <TotalAmt>7007</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>54239</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>65893</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>62719</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>59634</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>54291</CurrentTaxYearAmt>
        <TotalAmt>296776</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.97640</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.98700</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.02000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.01000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="IRS990ScheduleB">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of other expenses Part I line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Description AmountBUSINESS LICENSES TAXES &amp; OTHER 50DEPRECIATION AND AMORTIZATION 561CONTRIBUTIONS GRANTS SCHOLARSHIPS 3,000OTHER OPERATIONS EXPENSE 3,286SUPPLIES OPERATIONS &amp; MISC 7,882TRAVEL AND MEETINGS 300FACILITIES 2,625RESALE ITEMS 586</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of other assets Part II line 24</FormAndLineReferenceDesc>
        <ExplanationTxt>Category Beginning of Year End of YearEDWARD JONES INVESTMENT 43,080 46,175</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of total liabilities Part II line 26</FormAndLineReferenceDesc>
        <ExplanationTxt>Category Beginning of Year End of YearPAYROLL TAX LIABILITIES 986 984</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>