<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2023v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-05-10T17:11:47-04:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>261081736</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>CARLSBAD CERTIFIED PUBLIC ACCOUNTANTS</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>5741 PALMER WAY SUITE A</AddressLine1Txt>
        <CityNm>CARLSBAD</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>920107248</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>237373836</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>NORTH SAN DIEGO COUNTY</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>GENEALOGICAL SOCIETY</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>NORT</BusinessNameControlTxt>
      <PhoneNum>7606300121</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 581</AddressLine1Txt>
        <CityNm>CARLSBAD</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>92018</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>DONNA KOUTSAKOS</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>8586033503</PhoneNum>
      <SignatureDt>2024-05-08</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>SUE</PersonFirstNm>
        <PersonLastNm>MADSEN</PersonLastNm>
      </PersonFullName>
      <SSN>XXX-XX-XXXX</SSN>
    </SigningOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>false</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>LORI A MERINO</PreparerPersonNm>
      <PTIN>P00761620</PTIN>
      <PhoneNum>7604389500</PhoneNum>
      <PreparationDt>2024-05-09</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="RetDoc1" referenceDocumentId="RetDoc2">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc3">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>16186</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>1143</ContributionsGiftsGrantsEtcAmt>
      <MembershipDuesAmt>7050</MembershipDuesAmt>
      <InvestmentIncomeAmt>3330</InvestmentIncomeAmt>
      <FundraisingGrossIncomeAmt>4663</FundraisingGrossIncomeAmt>
      <SpecialEventsNetIncomeLossAmt>4663</SpecialEventsNetIncomeLossAmt>
      <TotalRevenueAmt>16186</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>1899</GrantsAndSimilarAmountsPaidAmt>
      <FeesAndOtherPymtToIndCntrctAmt>1887</FeesAndOtherPymtToIndCntrctAmt>
      <OtherExpensesTotalAmt>10931</OtherExpensesTotalAmt>
      <TotalExpensesAmt>14717</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>1469</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>175263</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>176732</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>175263</BOYAmt>
        <EOYAmt>176732</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>175263</BOYAmt>
        <EOYAmt>176732</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>175263</BOYAmt>
        <EOYAmt>176732</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>FOSTER GENEALOGICAL RESEARCH</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>TO CONTRIBUTE LIBRARY RESOURCES AND PURCHASE GENEOLOGICAL BOOKS SPECIALZING IN GENEOLOGY, HISTORY, AND BIOGRAPHY AND AID IN THE COLLECTION AND PRESERVATION OF AUTHENTIC GENEOLOGICAL RECORDS.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>1899</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>8327</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>TO FOSTER INTEREST IN GENEOLOGICAL RESEARCH BY HOLDING MEETINGS, PROGRAMS, CLASSES, AND SEMINARS FOR THE INSTRUCTION AND INCREASED EFFECTIVENESS OF THE GENEOLOGY COMMUNITY.</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>3564</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>TO BE OF MUTUTAL AND PRACITCAL HELP TO EACH OTHER AND OTHERS INTERSTED IN GENEOLOGY. PREPARE AND MAIL MONTHLY NEWSLETTER</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>53</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>11944</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SUSAN MADSON</PersonNm>
        <TitleTxt>CFO</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>VICKI MAY</PersonNm>
        <TitleTxt>CEO</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JEAN TEMPKE</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DONNA KOUTSAKOS</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </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>CA</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>SANDY FOLLMER</PersonNm>
        <USAddress>
          <AddressLine1Txt>PO BOX 581</AddressLine1Txt>
          <CityNm>CARLSBAD</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>92018</ZIPCd>
        </USAddress>
        <PhoneNum>8586033503</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="RetDoc3">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>1924</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2263</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1681</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1417</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1143</CurrentTaxYearAmt>
        <TotalAmt>8428</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>20275</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>12547</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>13929</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>12190</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>15043</CurrentTaxYearAmt>
        <TotalAmt>73984</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>22199</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>14810</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>15610</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>13607</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>16186</CurrentTaxYearAmt>
        <TotalAmt>82412</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>82412</PublicSupportTotal509Amt>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>22199</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>14810</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>15610</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>13607</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>16186</CurrentTaxYearAmt>
        <TotalAmt>82412</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>1.00000</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>1.00000</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="RetDoc2">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PAGE 1, ITEM C</FormAndLineReferenceDesc>
        <ExplanationTxt>NSDCGS</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES TECH SOFTWARE AND EXPENSES 1,714 INSURANCE 1,645 NAME TAGS 79 PUBLICITY 15 LIBRARY PURCHASES 4,635 NEWSLETTER EXPENSE 38 PROGRAMS EXPENSE 1,357 SEMINAR EXPENSE 664 SOCIALS EXPENSE 369 SUPPLIES 92 BOOK SALES SUPPLIES 323 TOTAL 10,931</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 28</FormAndLineReferenceDesc>
        <ExplanationTxt>TO CONTRIBUTE LIBRARY RESOURCES AND PURCHASE GENEOLOGICAL BOOKS SPECIALZING IN GENEOLOGY, HISTORY, AND BIOGRAPHY AND AID IN THE COLLECTION AND PRESERVATION OF AUTHENTIC GENEOLOGICAL RECORDS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
