﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" returnVersion="2024v5.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-04-09T12:33:38-04:00</ReturnTs>
    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmName>
        <BusinessNameLine1Txt>COMPREHENSIVE BUSINESS SERVICES</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>3011 CITRUS CIRCLE STE 203</AddressLine1Txt>
        <CityNm>Walnut Creek</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>94598</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>942861627</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>SAN MATEO CNTY CHPTR OF THE AMER INST OF ARCHITECT</BusinessNameLine1Txt>
      </BusinessName>
      <InCareOfNm>% JACQUELINE TANNER</InCareOfNm>
      <BusinessNameControlTxt>SANM</BusinessNameControlTxt>
      <PhoneNum>5057026150</PhoneNum>
      <USAddress>
        <AddressLine1Txt>210 S ELLSWORTH AVE UNIT 645</AddressLine1Txt>
        <CityNm>SAN MATEO</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>944016006</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>JACQUELINE TANNER</PersonNm>
      <PersonTitleTxt>EXECUTIVE DIRECTOR</PersonTitleTxt>
      <PhoneNum>5057026150</PhoneNum>
      <SignatureDt>2025-04-07</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>JAMES ZEFELDT</PreparerPersonNm>
      <PTIN>P01054128</PTIN>
      <PhoneNum>9254720940</PhoneNum>
      <PreparationDt>2025-04-09</PreparationDt>
      <SelfEmployedInd>X</SelfEmployedInd>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="2">
    <IRS990EZ documentId="IRS990EZ">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>AIASMC.ORG</WebsiteAddressTxt>
      <Organization501cInd organization501cTypeTxt="6">X</Organization501cInd>
      <TypeOfOrganizationAssocInd>X</TypeOfOrganizationAssocInd>
      <GrossReceiptsAmt>100203</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>69524</ContributionsGiftsGrantsEtcAmt>
      <MembershipDuesAmt>27260</MembershipDuesAmt>
      <InvestmentIncomeAmt>3419</InvestmentIncomeAmt>
      <TotalRevenueAmt>100203</TotalRevenueAmt>
      <SalariesOtherCompEmplBnftAmt>54376</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>1325</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>1258</OccupancyRentUtltsAndMaintAmt>
      <OtherExpensesTotalAmt>50938</OtherExpensesTotalAmt>
      <TotalExpensesAmt>107897</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-7694</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>89565</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>81871</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>82586</BOYAmt>
        <EOYAmt>80556</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>6979</BOYAmt>
        <EOYAmt>1379</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>89565</BOYAmt>
        <EOYAmt>81935</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>64</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>89565</BOYAmt>
        <EOYAmt>81871</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>NUTURE THE PROFESSION OF ARCHITECTURE</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>MONTHY MEETINGS WITH GUEST SPEAKERSOR OTHER ARCHITECTURAL-RELATED PROGRAMS; PROFESSIONAL PRACTICE SEMINARS;INDUSTRY TRADE SHOW FOR ARCHITECTS ANS ALLIED PROFESSIONALS</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>0</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PUBLISH MONTHLY NEWSLETTER OF CHAPTER EVENTS &amp; ACTIVITIES PLUS OTHER ARTICLES RELEVANT TO ARCHITECTURE &amp; PROFESSION; SCHOLARSHIP PROGRAM FOR LOCAL STUDENTS PURSUING A CAREER</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>0</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>REFERENCE LIBRARY FOR MEMBER USAGE;JOB REFERRAL SERVICE;ONGOING RELATIONSHIP WITH COUNTY ARCHITECTURAL STUDENTS; CELEBRATE ARCHITECTURE WEEK WITH DISPLAYS AND HANDOUTS</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>0</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ANA WILLIAMSON</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ROBERT GOOYER</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KYU KIM</PersonNm>
        <TitleTxt>EMERGING PROFESSIONALS</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>NOEMI AVRAM</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JEFF MISSAD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KENNY HUNG</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MIKE KASTROP</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>IVA LANGROVA</PersonNm>
        <TitleTxt>ACCOCIATE DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JACQUELINE TANNER</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>25.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JOHN STEWART</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>HIROMI OGAWA</PersonNm>
        <TitleTxt>EX OFFICIO</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ANNE CHEN</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>6.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>INNA NOSENKO</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>R ROSS STILLESON</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</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>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>JACQUELINE TANNER</PersonNm>
        <USAddress>
          <AddressLine1Txt>107 BEECH ST</AddressLine1Txt>
          <CityNm>Montpelier</CityNm>
          <StateAbbreviationCd>OH</StateAbbreviationCd>
          <ZIPCd>43543</ZIPCd>
        </USAddress>
        <PhoneNum>5057026150</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>
    </IRS990EZ>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of other expenses Part I line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Description AmountINSURANCE 1,068MERCHANT SERVICES AND BANK FEES 1,463PAYROLL FEES 1,299TELEPHONE 392WEBSITE HOSTING 193TECH ASSISTANCE 927TAXES LICENSES 36PAYROLL TAXES 4,468SCHOLARSHIPS 4,000DESIGN AWARDS 17,306DESIGN AWARDS TICKETS 150SUMMER SOCIAL 3,848SAP TRAINING 300ADA SEMINAR 60SUMMER SOCIAL 8782024 HOUSE OF CARDS 714BOARD RETREAT 361EXEC DIR TRAVEL 3,795YEAR END LUNCH 408AIA DIRECTOR TRAVEL 201POSTAGE 623OFFICE SUPPLIES 225LEADERSHIP SUMMIT 4,846PBM SHOWCASE 99LEADERSHIP SPONSORSHIP 1,000EP ACTIVITIES 73MILEAGE 299SCHOLSHIP FUND 907CONFERENCE MN 999</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of other assets Part II line 24</FormAndLineReferenceDesc>
        <ExplanationTxt>Category Beginning of Year End of YearCOMPUTER EQUIPMENT 4,924 1,379COMPUTER SOFTWARE 1,055 0FURNITURE &amp; EQUIPMENT 1,000 0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of total liabilities Part II line 26</FormAndLineReferenceDesc>
        <ExplanationTxt>Category Beginning of Year End of YearPAYROLL TAXES 0 64</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>