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| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | AT MY SCHOOL AMS - After-School Music & Arts Program | Delivered after-school music and arts instruction at 4 Title I campuses in Oceanside USD. Grew from 35 to 160+ students. Teaching Artists served students across Fall 2024 and Spring 2025 sessions. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 1 | North County Childrens Choir NCCC - 14th Season | Free Community youth choral program providing music education and public performance opportunities for North County San Diego children. Culminating in a Charity Concert Christmas 4 Kidz in a professional venue alongside other performing arts organizations |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 2 | Music & Arts Summer Camps | Provided summer music and arts camp programming; w scholarships to qualifying low-income students. |
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| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | | Grants And Similar Amounts Paid:, Amount:| Grants and similar amounts paid includes a $4,000 charitable grant to Got Your Back San Diego EIN: 20-8220093 a 501c3 organization providing meals to chileren in San Diego County representing proceeds from the Christmas 4 Kidz charity concert; consistent with that events mission of directing proceeds to charities that serve children in needshowing kids they can use their talents to change the world., $4000| |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | | Other Expenses:, Amount:| Production Costs = $14,257Office & Operational Supplies = $4,494Food Pantry Contribution = $250Equipment = $100Computer & Software Subscriptions = $2,935Meals & Entertainment = $86Bank Fees Dues Accounting Legal = $902Total = $23,024, $23024| |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | | Explanation:, BOYAmount:, EOYAmount:| Furniture & Equipment = $11,697 cost basisSecurity Deposit = $2,746Total = $14,443, $14443, $14443| |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | | Explanation:, BOYAmount:, EOYAmount:| Outstanding balance of $4,984 on our AmEx Blue credit card as of 12 31 2025, $7209, $4984| |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Part I, line 10 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Part I, line 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Part II, line 24 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Part II, line 26 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
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| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | President |
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| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2026-04-08 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | Coastal Music and Arts Foundation |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | COAS |
| ReturnHeader/Filer/EIN | 0 | 822005366 |
| ReturnHeader/Filer/ForeignPhoneNum | 0 | 7602378212 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 1006 MISSION AVE STE E |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Oceanside |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 920542869 |
| ReturnHeader/ReturnTs | 0 | 2026-04-07T18:02:26-04:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2025-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-12-31 |
| ReturnHeader/TaxYr | 0 | 2025 |