﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" returnVersion="2023v6.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-02-17T20:30:03Z</ReturnTs>
    <TaxPeriodEndDt>2024-09-30</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-10-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>020443743</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>SEACOAST JAZZ SOCIETY</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>SEAC</BusinessNameControlTxt>
      <PhoneNum>6035026454</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 64</AddressLine1Txt>
        <CityNm>PORTSMOUTH</CityNm>
        <StateAbbreviationCd>NH</StateAbbreviationCd>
        <ZIPCd>03802</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Katherine Cook</PersonNm>
      <PersonTitleTxt>Treasurer</PersonTitleTxt>
      <PhoneNum>6035026454</PhoneNum>
      <SignatureDt>2026-02-17</SignatureDt>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <TaxYr>2023</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="POSTCARDb3474db">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>www.seacoastjazz.org</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="990xScheduleA" referenceDocumentName="IRS990ScheduleA">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>8923</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>6263</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>0</ProgramServiceRevenueAmt>
      <MembershipDuesAmt>0</MembershipDuesAmt>
      <InvestmentIncomeAmt>2660</InvestmentIncomeAmt>
      <SaleOfAssetsGrossAmt>0</SaleOfAssetsGrossAmt>
      <CostOrOtherBasisExpenseSaleAmt>0</CostOrOtherBasisExpenseSaleAmt>
      <GainOrLossFromSaleOfAssetsAmt>0</GainOrLossFromSaleOfAssetsAmt>
      <GamingGrossIncomeAmt>0</GamingGrossIncomeAmt>
      <FundraisingGrossIncomeAmt>0</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>0</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>0</SpecialEventsNetIncomeLossAmt>
      <GrossSalesOfInventoryAmt>0</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>0</CostOfGoodsSoldAmt>
      <GrossProfitLossSlsOfInvntryAmt>0</GrossProfitLossSlsOfInvntryAmt>
      <OtherRevenueTotalAmt>0</OtherRevenueTotalAmt>
      <TotalRevenueAmt>8923</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>1159</GrantsAndSimilarAmountsPaidAmt>
      <BenefitsPaidToOrForMembersAmt>0</BenefitsPaidToOrForMembersAmt>
      <SalariesOtherCompEmplBnftAmt>0</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>12733</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>97</OccupancyRentUtltsAndMaintAmt>
      <PrintingPublicationsPostageAmt>343</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>3737</OtherExpensesTotalAmt>
      <TotalExpensesAmt>18069</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-9146</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>184437</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>175291</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>184437</BOYAmt>
        <EOYAmt>175291</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>184437</BOYAmt>
        <EOYAmt>175291</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>184437</BOYAmt>
        <EOYAmt>175291</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>The Seacoast Jazz Society supports local jazz artists and jazz education by encouraging the development of jazz appreciation among Seacoast residents We support public events that foster a love of jazz including free concerts and grants to musicians and students</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>0</DescriptionProgramSrvcAccomTxt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>0</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Mark Shilansky</PersonNm>
        <TitleTxt>President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Linda Conti</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>25.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Kate Cook</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</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>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>NH</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>Kate Cook</PersonNm>
        <USAddress>
          <AddressLine1Txt>17 Hunking Steet</AddressLine1Txt>
          <CityNm>Portsmouth</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
          <ZIPCd>03801</ZIPCd>
        </USAddress>
        <PhoneNum>6035026454</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>
      <OtherEmployeePaidOver100kCnt>0</OtherEmployeePaidOver100kCnt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="990xScheduleA">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContriRcvd170Grp></GiftsGrantsContriRcvd170Grp>
      <TaxRevLeviedOrgnztnlBnft170Grp></TaxRevLeviedOrgnztnlBnft170Grp>
      <GovtFurnSrvcFcltsVl170Grp></GovtFurnSrvcFcltsVl170Grp>
      <TotalCalendarYear170Grp></TotalCalendarYear170Grp>
      <GrossInvestmentIncome170Grp></GrossInvestmentIncome170Grp>
      <UnrelatedBusinessNetIncm170Grp></UnrelatedBusinessNetIncm170Grp>
      <OtherIncome170Grp></OtherIncome170Grp>
      <PublicSupportCY170Pct>0</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0</PublicSupportPY170Pct>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>7041</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>7576</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1936</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>15499</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>6263</CurrentTaxYearAmt>
        <TotalAmt>38315</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus2YearsAmt>3977</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1864</CurrentTaxYearMinus1YearAmt>
        <TotalAmt>5841</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <GrossReceiptsNonUnrltBusGrp></GrossReceiptsNonUnrltBusGrp>
      <TaxRevLeviedOrgnztnlBnft509Grp></TaxRevLeviedOrgnztnlBnft509Grp>
      <GovtFurnSrvcFcltsVl509Grp></GovtFurnSrvcFcltsVl509Grp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>7041</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>7576</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>5913</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>17363</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>6263</CurrentTaxYearAmt>
        <TotalAmt>44156</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp></AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp></SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp></SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>44156</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearAmt>2660</CurrentTaxYearAmt>
        <TotalAmt>2660</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <Post1975UBTIGrp></Post1975UBTIGrp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearAmt>2660</CurrentTaxYearAmt>
        <TotalAmt>2660</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <NetIncomeFromOtherUBIGrp></NetIncomeFromOtherUBIGrp>
      <OtherIncome509Grp>
        <CurrentTaxYearMinus1YearAmt>350</CurrentTaxYearMinus1YearAmt>
        <TotalAmt>350</TotalAmt>
      </OtherIncome509Grp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>7041</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>7576</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>5913</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>17713</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>8923</CurrentTaxYearAmt>
        <TotalAmt>47166</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.93</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.99</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.0563</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
      <Form990SchAType3FuncIntGrp></Form990SchAType3FuncIntGrp>
      <AdjustedNetIncomeGrp>
        <NetSTCapitalGainAdjNetIncmGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </NetSTCapitalGainAdjNetIncmGrp>
        <RecoveriesPYDistributionsGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </RecoveriesPYDistributionsGrp>
        <OtherGrossIncomeGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </OtherGrossIncomeGrp>
        <AdjustedGrossIncomeGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </AdjustedGrossIncomeGrp>
        <DepreciationDepletionGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </DepreciationDepletionGrp>
        <ProductionIncomeGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </ProductionIncomeGrp>
        <OtherExpensesGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </OtherExpensesGrp>
        <TotalAdjustedNetIncomeGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </TotalAdjustedNetIncomeGrp>
      </AdjustedNetIncomeGrp>
      <MinimumAssetAmountGrp>
        <AverageMonthlyFMVOfSecGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </AverageMonthlyFMVOfSecGrp>
        <AverageMonthlyCashBalancesGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </AverageMonthlyCashBalancesGrp>
        <FMVOtherNonExemptUseAssetGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </FMVOtherNonExemptUseAssetGrp>
        <TotalFMVOfNonExemptUseAssetGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </TotalFMVOfNonExemptUseAssetGrp>
        <DiscountClaimedAmt>0</DiscountClaimedAmt>
        <AcquisitionIndebtednessGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </AcquisitionIndebtednessGrp>
        <AdjustedFMVLessIndebtednessGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </AdjustedFMVLessIndebtednessGrp>
        <CashDeemedCharitableGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </CashDeemedCharitableGrp>
        <NetVlNonExemptUseAssetsGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </NetVlNonExemptUseAssetsGrp>
        <PctOfNetVlNonExemptUseAstGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </PctOfNetVlNonExemptUseAstGrp>
        <RecoveriesPYDistriMinAssetGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </RecoveriesPYDistriMinAssetGrp>
        <TotalMinimumAssetGrp>
          <PriorYearAmt>0</PriorYearAmt>
          <CurrentYearAmt>0</CurrentYearAmt>
        </TotalMinimumAssetGrp>
      </MinimumAssetAmountGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="990xScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule O:</FormAndLineReferenceDesc>
        <ExplanationTxt>1.10 Grants - Two grants were given. One for $250.00 to Timberlane Regional School District to support district jazz festival attendance, and one for $909.00 to the University of New Hampshire Summer Youth Music School to benefit a scholarship student in jazz studies. 1.16 Other Expenses: The Seacoast Jazz Society incurred an additional $3737.37 in expense that included bank fees and state filing fees totaling $149.96, Software fees totaling $1475.34, advertising fees totaling $1216.57, insurance fees of $783.00, and professional membership fees of $112.50.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>