| IRS990EZ/ActivitiesNotPreviouslyRptInd | 0 | 0 |
| IRS990EZ/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | STERLING FOUNDATION MGMT |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 7034379720 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 12030 SUNRISE VALLEY DRIVE STE 450 |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | RESTON |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | VA |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 20191 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 36694 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 8806 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | 0 |
| IRS990EZ/ContributionsGiftsGrantsEtcAmt | 0 | 59500 |
| IRS990EZ/DirectIndirectPltclExpendAmt | 0 | 0 |
| IRS990EZ/DonorAdvisedFndsInd | 0 | 0 |
| IRS990EZ/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | -27888 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 24000 |
| IRS990EZ/FiledScheduleAInd | 0 | 1 |
| IRS990EZ/ForeignFinancialAccountInd | 0 | 0 |
| IRS990EZ/ForeignOfficeInd | 0 | 0 |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 36694 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 8806 |
| IRS990EZ/GrantsAndSimilarAmountsPaidAmt | 0 | 63000 |
| IRS990EZ/GrossReceiptsAmt | 0 | 59500 |
| IRS990EZ/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartVInd | 0 | X |
| IRS990EZ/LobbyingActivitiesInd | 0 | 0 |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | 0 |
| IRS990EZ/MethodOfAccountingCashInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 36694 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 8806 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 36694 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 8806 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | PATRICK CALLAHAN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | ROBIN BARRY-KING |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | TOM ZIMMERMAN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | TIMOTHY CALLAHAN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | PRESIDENT/DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | SECRETARY/DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | TREASURER/DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 3 | DIRECTOR |
| IRS990EZ/OperateHospitalInd | 0 | 0 |
| IRS990EZ/Organization501c3Ind | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | 0 |
| IRS990EZ/OrganizationHadUBIInd | 0 | 0 |
| IRS990EZ/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 388 |
| IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt | 0 | NONE |
| IRS990EZ/PartVIOfCompOfHghstPdEmplTxt | 0 | NONE |
| IRS990EZ/PoliticalCampaignActyInd | 0 | 0 |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | ASSIST OTHER ORGANIZATIONS DESCRIBED IN SECTION 501(3) AND SECTION 509(A)(1) OR SECTION 509(A)(2) OF THE INTERNAL REVENUE CODE. THE ORGANIZATION WILL ACCOMPLISH ITS GOAS BY PROVIDING GRANTS TO OTHER NONPROFIT ORGANIZATIONS AS DETERMINED BY THE BOARD OF DIRECTORS. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | ASSIST OTHER ORGANIZATIONS DESCRIBED IN SECTION 501(3) AND SECTION 509(A)(1) OR SECTION 509(A)(2) OF THE INTERNAL REVENUE CODE. THE ORGANIZATION WILL ACCOMPLISH ITS GOAS BY PROVIDING GRANTS TO OTHER NONPROFIT ORGANIZATIONS AS DETERMINED BY THE BOARD OF DIRECTORS. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 0 | 63000 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 0 | 75000 |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990EZ/SchoolOperatingInd | 0 | 0 |
| IRS990EZ/StatesWhereCopyOfReturnIsFldCd | 0 | MA |
| IRS990EZ/StatesWhereCopyOfReturnIsFldCd | 1 | NY |
| IRS990EZ/SubjectToProxyTaxInd | 0 | 0 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990EZ/TanningServicesProvidedInd | 0 | 0 |
| IRS990EZ/TaxImposedOnOrganizationMgrAmt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4911Amt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4912Amt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4955Amt | 0 | 0 |
| IRS990EZ/TaxReimbursedByOrganizationAmt | 0 | 0 |
| IRS990EZ/TotalExpensesAmt | 0 | 87388 |
| IRS990EZ/TotalProgramServiceExpensesAmt | 0 | 75000 |
| IRS990EZ/TotalRevenueAmt | 0 | 59500 |
| IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd | 0 | 0 |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | N/A |
| IRS990ScheduleA/First5Years170Ind | 0 | X |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 59500 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 99326 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 158826 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 3177 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 155649 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 59500 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 99326 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 158826 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 158826 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | ACTIVITY CLASSIFICATION: . GRANTEE NAME: ACE MENTOR PROGRAM OF GREATER BOSTON. GRANTEE ADDRESS: 1 PLEASURE ISLAND RD, STE 2A WAKEFIELD, MA 01880. DATE OF GIFT: 06/13/24. AMOUNT GIVEN: 5,000. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | ACTIVITY CLASSIFICATION: . GRANTEE NAME: CAMPAIGN FOR CATHOLIC SCHOOLS. GRANTEE ADDRESS: 66 BROOKS DRIVE BRAINTREE, MA 02184. DATE OF GIFT: 09/20/24. AMOUNT GIVEN: 2,500. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | ACTIVITY CLASSIFICATION: . GRANTEE NAME: CRADLES TO CRAYONS. GRANTEE ADDRESS: 281 NEWTONVILLE AVE NEWTON, MA 02460. DATE OF GIFT: 07/19/24. AMOUNT GIVEN: 5,000. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | ACTIVITY CLASSIFICATION: . GRANTEE NAME: DOVE, INC.. GRANTEE ADDRESS: PO BOX 690267 QUINCY, MA 02269. DATE OF GIFT: 06/13/24. AMOUNT GIVEN: 2,000. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | ACTIVITY CLASSIFICATION: . GRANTEE NAME: OCTOBER AS ITALIAN HERITAGE MONTH COMMITTEE. GRANTEE ADDRESS: PO BOX 185 MEDFORD, MA 02155. DATE OF GIFT: 09/19/24. AMOUNT GIVEN: 10,000. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | ACTIVITY CLASSIFICATION: . GRANTEE NAME: GILLY'S HOUSE. GRANTEE ADDRESS: PO BOX 110 WRENTHAM, MA 02093. DATE OF GIFT: 07/17/24. AMOUNT GIVEN: 5,000. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 6 | ACTIVITY CLASSIFICATION: . GRANTEE NAME: BOYS & GIRLS CLUBS OF BOSTON. GRANTEE ADDRESS: 200 HIGH STREET, STE. 3B BOSTON, MA 02110. DATE OF GIFT: 12/19/24. AMOUNT GIVEN: 12,500. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 7 | ACTIVITY CLASSIFICATION: . GRANTEE NAME: CARITAS COMMUNITIES. GRANTEE ADDRESS: 25 BRAINTREE HILL OFFICE PARK BRAINTREE, MA 02184. DATE OF GIFT: 12/04/24. AMOUNT GIVEN: 10,000. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 8 | ACTIVITY CLASSIFICATION: . GRANTEE NAME: JUST A START. GRANTEE ADDRESS: 1035 CAMBRIDGE STREET #12 CAMBRIDGE, MA 02141. DATE OF GIFT: 05/31/24. AMOUNT GIVEN: 10,000. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 9 | ACTIVITY CLASSIFICATION: . GRANTEE NAME: TRIBORO YOUTH HOCKEY ASSOCIATION. GRANTEE ADDRESS: 41 OGRADY RD MARLBOROUGH, MA 01752. DATE OF GIFT: 12/16/24. AMOUNT GIVEN: 1,000. TOTAL INCLUDED ON FORM 990-EZ, LINE 10: 63,000. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 10 | DESCRIPTION: BANK FEES. AMOUNT: 388. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 6 | FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 7 | FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 8 | FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 9 | FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 10 | FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES |
| TransferPrsnlBnftContractsDecl/DeclarationDesc | 0 | 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. |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | 1 |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | TOM ZIMMERMAN |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TREASURER |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 7034379720 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-03-12 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | CALLAHAN RISING TIDE |
| ReturnHeader/Filer/BusinessName/BusinessNameLine2Txt | 0 | C/O STERLING FOUNDATION MANAGEMENT LLC |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | CALL |
| ReturnHeader/Filer/EIN | 0 | 921303951 |
| ReturnHeader/Filer/PhoneNum | 0 | 7034379720 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 12030 SUNRISE VALLEY DRIVE 450 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | RESTON |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | VA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 20191 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | 1 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 521231901 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | GORFINE SCHILLER & GARDYN PA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 10045 RED RUN BLVD SUITE 250 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | OWINGS MILLS |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | MD |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 21117 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 4103565900 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | MATTHEW Q KEEFER CPA |
| ReturnHeader/ReturnTs | 0 | 2025-03-17T08:51:40-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2024-12-31 |
| ReturnHeader/TaxYr | 0 | 2024 |