﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2025v4.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-03-12T10:20:33-04:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>131239833</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>LH ROSOFF &amp; COMPANY LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>81 WATER MILL LANE</AddressLine1Txt>
        <CityNm>GREAT NECK</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>11021</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>237084194</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>WEST 104 STREET BLOCK ASSOCIATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>WEST</BusinessNameControlTxt>
      <PhoneNum>2128666732</PhoneNum>
      <USAddress>
        <AddressLine1Txt>315 RIVERSIDE DRIVE - 9A</AddressLine1Txt>
        <CityNm>NEW YORK</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>10025</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>STEVEN ZIRINSKY</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>2128666732</PhoneNum>
      <SignatureDt>2026-01-16</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>BARRY BLANK</PreparerPersonNm>
      <PTIN>P00853437</PTIN>
      <PhoneNum>5168299095</PhoneNum>
      <PreparationDt>2026-02-02</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="RetDoc1" referenceDocumentId="RetDoc3">
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>WWW.BLOMINGDALE.ORG</WebsiteAddressTxt>
      <Organization501cInd organization501cTypeTxt="4">X</Organization501cInd>
      <TypeOfOrganizationTrustInd>X</TypeOfOrganizationTrustInd>
      <GrossReceiptsAmt>88703</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>31966</ContributionsGiftsGrantsEtcAmt>
      <MembershipDuesAmt>28390</MembershipDuesAmt>
      <FundraisingGrossIncomeAmt referenceDocumentId="RetDoc2">27081</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>12367</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>14714</SpecialEventsNetIncomeLossAmt>
      <OtherRevenueTotalAmt>1266</OtherRevenueTotalAmt>
      <TotalRevenueAmt>76336</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>1444</FeesAndOtherPymtToIndCntrctAmt>
      <PrintingPublicationsPostageAmt>2902</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>60599</OtherExpensesTotalAmt>
      <TotalExpensesAmt>64945</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>11391</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>11850</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>23241</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>11850</BOYAmt>
        <EOYAmt>23241</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>11850</BOYAmt>
        <EOYAmt>23241</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>11850</BOYAmt>
        <EOYAmt>23241</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>SECURITY &amp; BEAUTIFICATION</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>SECURITY GUARD</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>41442</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PEST CONTROL</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>2146</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>BEAUTIFICATION</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>13959</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>57547</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>STEVEN ZIRINSKY</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MARY JO GENNARO</PersonNm>
        <TitleTxt>VICE PRESIDE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LARRY STERN</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MARY KOVAL</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</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>
      <BooksInCareOfDetail>
        <PersonNm>MARY KOVAL</PersonNm>
        <USAddress>
          <AddressLine1Txt>895 WEST END AVENUE</AddressLine1Txt>
          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10025</ZIPCd>
        </USAddress>
        <PhoneNum>9179691984</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>
    <IRS990ScheduleG documentId="RetDoc2">
      <FundraisingEventInformationGrp>
        <Event1Nm>YARD SALE</Event1Nm>
        <GrossReceiptsEvent1Amt>27081</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>27081</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>12367</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>27081</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>27081</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>12367</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>12367</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>14714</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="RetDoc3">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 8</FormAndLineReferenceDesc>
        <ExplanationTxt>VARIOUS ACTIVITIES 1,041 REIMBURSEMENTS 225 TOTAL 1,266</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES OFFICE EXPENSE 139 WEBSITE 36 SECURITY 41,442 BEAUTIFICATION 13,959 RODENT CONTROL 2,146 TIPS 600 MISCELLANEOUS 2,277 TOTAL 60,599</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>