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      <EIN>821739151</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>CALIFORNIA VINTAGE WINE SOCIETY OF SAN FRANCISCO</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>CALI</BusinessNameControlTxt>
      <ForeignPhoneNum>9252860261</ForeignPhoneNum>
      <USAddress>
        <AddressLine1Txt>2330 BANBURY CT</AddressLine1Txt>
        <CityNm>MARTINEZ</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>945536718</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>John Burn</PersonNm>
      <PersonTitleTxt>Treasurer</PersonTitleTxt>
      <PhoneNum>4152033675</PhoneNum>
      <SignatureDt>2026-02-19</SignatureDt>
    </BusinessOfficerGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
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      <WebsiteAddressTxt>calvintage.org</WebsiteAddressTxt>
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      <ProgramServiceRevenueAmt>0</ProgramServiceRevenueAmt>
      <MembershipDuesAmt>129621</MembershipDuesAmt>
      <InvestmentIncomeAmt>1747</InvestmentIncomeAmt>
      <SaleOfAssetsGrossAmt>0</SaleOfAssetsGrossAmt>
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      <GainOrLossFromSaleOfAssetsAmt>0</GainOrLossFromSaleOfAssetsAmt>
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      <TotalRevenueAmt>131368</TotalRevenueAmt>
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      <TotalExpensesAmt>114954</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>16414</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>258420</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>-20000</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>254834</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>63420</BOYAmt>
        <EOYAmt>79834</EOYAmt>
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      <LandAndBuildingsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
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      <OtherAssetsTotalDetail>
        <BOYAmt>195000</BOYAmt>
        <EOYAmt>175000</EOYAmt>
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      <Form990TotalAssetsGrp>
        <BOYAmt>258420</BOYAmt>
        <EOYAmt>254834</EOYAmt>
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        <BOYAmt>258420</BOYAmt>
        <EOYAmt>254834</EOYAmt>
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      <PrimaryExemptPurposeTxt>The purpose of the society is to further its members education knowledge and enjoyment of California wines by learning tasting and appraising such wines in group settings.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Knowledge and Education: We learned and explored about varieties of wine with a few events that centered on different wine makers and their knowledge of the wine industry. This included dinners with different winemakers to learn characteristics of their wine.</DescriptionProgramSrvcAccomTxt>
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      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>One of our objectives is for our members to learn about various California wines. We held 8 of these events during 2025. Each event had anywhere from 20 - 60 attendees including members and their spouse or guest. Events included educational wine tastings and dinners with wine pairings of California wines.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>0</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>We have added new varietals to our wine collection which we are educating our members on and using in our events. We are using up some of the older wines at events to reduce our collection.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>0</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Marie-Jose Baum</PersonNm>
        <TitleTxt>President and Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Janet Higgins</PersonNm>
        <TitleTxt>Vice-President and Director</TitleTxt>
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        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">John Burns</PersonNm>
        <TitleTxt>Treasurer and Director</TitleTxt>
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        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Sheila Fischer Kiernan</PersonNm>
        <TitleTxt>Secretary and Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Dan Bailey</PersonNm>
        <TitleTxt>Director</TitleTxt>
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        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
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      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Ken Besser</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
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      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Kim Jones</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Jennifer Roe</PersonNm>
        <TitleTxt>Director</TitleTxt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Jim Schafer</PersonNm>
        <TitleTxt>Director</TitleTxt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">David Shepard</PersonNm>
        <TitleTxt>Director</TitleTxt>
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      <SubjectToProxyTaxInd referenceDocumentName="IRS990ScheduleC">false</SubjectToProxyTaxInd>
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      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <InitiationFeesAndCapContriAmt>8000</InitiationFeesAndCapContriAmt>
      <GrossReceiptsForPublicUseAmt>0</GrossReceiptsForPublicUseAmt>
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      <StatesWhereCopyOfReturnIsFldCd>CA</StatesWhereCopyOfReturnIsFldCd>
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        <PersonNm>Diane Beck</PersonNm>
        <USAddress>
          <AddressLine1Txt>2330 BANBURY CT</AddressLine1Txt>
          <CityNm>MARTINEZ</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>945536718</ZIPCd>
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        <PhoneNum>9252860261</PhoneNum>
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      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
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      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
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      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd referenceDocumentName="IRS990ScheduleC">false</PoliticalCampaignActyInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>| Other Expenses:, Amount:| Purchase of Wine, $12534| Insurance, $3807| Events for Members, $85583| Wine Storage, $5849| Miscellaneous, $226| Supplies, $205|</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, line 20</FormAndLineReferenceDesc>
        <ExplanationTxt>| Explanation:, Amount:| Decrease in value of wine in wine cellar determined by Vinfolio., $-20000|</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part II, line 24</FormAndLineReferenceDesc>
        <ExplanationTxt>| Explanation:, BOYAmount:, EOYAmount:| Other assets, $195000, $175000|</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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