﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2023v6.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-07-15T17:29:07-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-08-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>881478669</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>CBIZ ADVISORS LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>14567 N OUTER FORTY RD SUITE 300</AddressLine1Txt>
        <CityNm>CHESTERFIELD</CityNm>
        <StateAbbreviationCd>MO</StateAbbreviationCd>
        <ZIPCd>63017</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-09-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>463658286</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>MASONRY STRUCTURAL COALITION INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>MASO</BusinessNameControlTxt>
      <PhoneNum>3146451966</PhoneNum>
      <USAddress>
        <AddressLine1Txt>1429 SOUTH BIG BEND BLVD</AddressLine1Txt>
        <CityNm>SAINT LOUIS</CityNm>
        <StateAbbreviationCd>MO</StateAbbreviationCd>
        <ZIPCd>63117</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>DAVID GILLICK</PersonNm>
      <PersonTitleTxt>DIRECTOR</PersonTitleTxt>
      <PhoneNum>3146451966</PhoneNum>
      <SignatureDt>2025-07-15</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>ARIANA N JORDAN</PreparerPersonNm>
      <PTIN>P01441395</PTIN>
      <PhoneNum>3146267400</PhoneNum>
      <PreparationDt>2025-07-15</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="5">
    <IRS990EZ documentId="RetDoc1234200001" referenceDocumentId="RetDoc1051800001 RetDoc2278000001">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <Organization501cInd organization501cTypeTxt="6">X</Organization501cInd>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>190913</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>190900</ContributionsGiftsGrantsEtcAmt>
      <InvestmentIncomeAmt>13</InvestmentIncomeAmt>
      <TotalRevenueAmt>190913</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>171740</FeesAndOtherPymtToIndCntrctAmt>
      <PrintingPublicationsPostageAmt>500</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>3784</OtherExpensesTotalAmt>
      <TotalExpensesAmt>176024</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>14889</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>21172</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>36061</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>19926</BOYAmt>
        <EOYAmt>34815</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>1246</EOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>1246</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>21172</BOYAmt>
        <EOYAmt>36061</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>21172</BOYAmt>
        <EOYAmt>36061</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>ORGANIZATION WAS FORMED AND OPERATED EXCLUSIVELY TO IMPROVE BUSINESS CONDITIONS WITHIN THE MASONRY INDUSTRY AND TO PROVIDE INDUSTRY, COMMERCIAL, AND TRADE ADVANCEMENT FOR THE MASONRY AND RELATED INDUSTRIES OF THE NATURE PROVIDED BY A TRADE ASSOCIATION. THE ORGANIZATION WILL PROVIDE EDUCATIONAL AND INFORMATIONAL SERVICES AND MATERIALS REGARDING THE USE OF MASONRY IN CONSTRUCTION AND ENGAGE IN RESEARCH AND PROMOTIONAL ACTIVITIES REGARDING THE USE OF MASONRY.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>MASONRY EDUCATION AND DESIGN ASSISTANCE.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>0</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <InfoInScheduleOPartIVInd>X</InfoInScheduleOPartIVInd>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentId="RetDoc2212000001">JEFFREY SCHMIDT</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DANIEL GRASS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MARK WILHEMS</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BRIAN GRANT</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KYLE DEMSAR</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DAVID GILLICK</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</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>
      <MadeLoansToFromOfficersInd>0</MadeLoansToFromOfficersInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>DAVID GILLICK</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>1429 SOUTH BIG BEND BLVD</AddressLine1Txt>
          <CityNm>SAINT LOUIS</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>63117</ZIPCd>
        </USAddress>
        <PhoneNum>3146451966</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <DonorAdvisedFndsInd>0</DonorAdvisedFndsInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <TanningServicesProvidedInd>0</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
    </IRS990EZ>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <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="RetDoc1051800001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 4 - OTHER INVESTMENT INCOME</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: INVESTMENT INCOME. AMOUNT: 13.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: COMPUTERS AND INTERNET. AMOUNT: 1,542. DESCRIPTION: MEALS AND ENTERTAINMENT. AMOUNT: 864. DESCRIPTION: OFFICE SUPPLIES. AMOUNT: 918. DESCRIPTION: AUTO AND TRUCK EXPENSES. AMOUNT: 296. DESCRIPTION: BANK SERVICE CHARGES. AMOUNT: 164. TOTAL TO FORM 990-EZ, LINE 16: 3,784.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 24 - OTHER ASSETS</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: INTANGIBLE ASSETS. BEG. OF YEAR AMOUNT: 1,246. END OF YEAR AMOUNT: 0.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <CompensationExplanation documentId="RetDoc2212000001">
      <CompensationExplanationGrp>
        <PersonNm>DAVID A GILLICK</PersonNm>
        <ShortExplanationTxt>DAVID GILLICK, DIRECTOR, IS COMPENSATED BY MASON CONTRACTOS ASSOCIATION OF ST. LOUIS. MASONRY STRUCTURAL COALITION, INC. PAYS MASON CONTRACTORS ASSOCIATION OF ST. LOUIS FOR MANAGEMENT FEES.</ShortExplanationTxt>
      </CompensationExplanationGrp>
    </CompensationExplanation>
    <TransferPrsnlBnftContractsDecl documentId="RetDoc2278000001">
      <DeclarationDesc>THE ORGANIZATION DID NOT, DURING THE YEAR, RECEIVE ANY FUNDS, DIRECTLY,OR INDIRECTLY, TO PAY PREMIUMS ON A PERSONAL BENEFIT CONTRACT.THE ORGANIZATION, DID NOT, DURING THE YEAR, PAY ANY PREMIUMS, DIRECTLY,OR INDIRECTLY, ON A PERSONAL BENEFIT CONTRACT.</DeclarationDesc>
    </TransferPrsnlBnftContractsDecl>
  </ReturnData>
</Return>