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        <ProgramServicesAmt>114838</ProgramServicesAmt>
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        <ProgramServicesAmt>79270</ProgramServicesAmt>
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      <FeesForServicesManagementGrp>
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      <FeesForServicesLegalGrp>
        <TotalAmt>1140</TotalAmt>
        <ProgramServicesAmt>1140</ProgramServicesAmt>
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      <FeesForServicesAccountingGrp>
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        <ProgramServicesAmt>131538</ProgramServicesAmt>
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        <ProgramServicesAmt>41762</ProgramServicesAmt>
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        <ProgramServicesAmt>1031654</ProgramServicesAmt>
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        <ProgramServicesAmt>67528</ProgramServicesAmt>
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        <ProgramServicesAmt>41542</ProgramServicesAmt>
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        <Desc>Taxes Licenses</Desc>
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        <ProgramServicesAmt>43121</ProgramServicesAmt>
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        <ProgramServicesAmt>25819</ProgramServicesAmt>
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        <EOYAmt>14518</EOYAmt>
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        <EOYAmt>12204864</EOYAmt>
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        <EOYAmt>17030</EOYAmt>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
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        <EOYAmt>12187834</EOYAmt>
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        <EOYAmt>12187834</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>8458448</BOYAmt>
        <EOYAmt>12204864</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>3140637</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>618327</NetUnrlzdGainsLossesInvstAmt>
      <InvestmentExpenseAmt>-17315</InvestmentExpenseAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingOtherInd methodOfAccountingOtherDesc="Modified-cash basis">X</MethodOfAccountingOtherInd>
      <AccountantCompileOrReviewInd>true</AccountantCompileOrReviewInd>
      <AcctCompileOrReviewBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
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      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
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      <AuditCommitteeInd>true</AuditCommitteeInd>
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        <BookValueAmt>80000</BookValueAmt>
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      <BuildingsGrp>
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        <DepreciationAmt>148751</DepreciationAmt>
        <BookValueAmt>587337</BookValueAmt>
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      <LeaseholdImprovementsGrp>
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        <BookValueAmt>357264</BookValueAmt>
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        <DepreciationAmt>49819</DepreciationAmt>
        <BookValueAmt>22877</BookValueAmt>
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        <BookValueAmt>7191</BookValueAmt>
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      <TotalBookValueLandBuildingsAmt>1054669</TotalBookValueLandBuildingsAmt>
      <OtherSecuritiesGrp>
        <Desc>Financial derivatives and other financial products</Desc>
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      <OtherSecuritiesGrp>
        <Desc>Closely-held equity interests</Desc>
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        <Amt>12182</Amt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>Benevolent Fund</Desc>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>State witholding tax payable</Desc>
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      <OtherLiabilitiesOrgGrp>
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      <OtherLiabilitiesOrgGrp>
        <Desc>Finance lease liability</Desc>
        <Amt>4848</Amt>
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      <TotalLiabilityAmt>17030</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>X 2</FormAndLineReferenceDesc>
        <ExplanationTxt>Management has evaluated the tax position taken by the Local and the Holding Co. and has concluded that as of December 31, 2024, there are no uncertain positions taken or expected to be taken, that would require the recognition of a liability or asset or disclosure in the consolidating and consolidated financial statements</ExplanationTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Larry K Batson</PersonNm>
        <TitleTxt>Bus Mgr/Fin Sec</TitleTxt>
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        <TotalCompensationFilingOrgAmt>190672</TotalCompensationFilingOrgAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The Locals governing documents, policies, financial statements and tax returns are available upon written request to the Locals administrator and requesting a copy.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 1</FormAndLineReferenceDesc>
        <ExplanationTxt>The consolidating and consolidated financial statements of the Local and Holding Company are prepared on the modified cash basis of accounting.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Locals officers are provided copies of the tax return for review prior to filing.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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          <BusinessNameLine1Txt>Plumbers &amp; Pipefitters Local 421 Holding Corp</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>2556 Oscar Johnson Dr</AddressLine1Txt>
          <CityNm>No Charleston</CityNm>
          <StateAbbreviationCd>SC</StateAbbreviationCd>
          <ZIPCd>29405</ZIPCd>
        </USAddress>
        <EIN>352386674</EIN>
        <PrimaryActivitiesTxt>Hold real property</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>SC</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501c5</ExemptCodeSectionTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Plumbers &amp; Pipefitters Local 421</BusinessNameLine1Txt>
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      </IdRelatedTaxExemptOrgGrp>
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      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>true</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>true</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
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      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
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          <BusinessNameLine1Txt>Plumbers &amp; Pipefitters LU 421 Training Trust Fund</BusinessNameLine1Txt>
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