Nonprofit · EIN 20-1593003
CASTLEMONT HIGH SCHOOL ALUMNI ASSOCIATION
Tax-exempt · OAKLAND, CA 94605
Address and contacts
- Address (IRS master file)
- 36 ANAIR WAY, OAKLAND, CA 94605-4872
- In care of
- % NONE
- Mailing address (990-N for 2023)
- 36 ANAIR WAY, OAKLAND CA 94605
- Principal officer (990-N for 2023)
- VINCENT OWENS, 36 ANAIR WAY, OAKLAND CA 94605
What it must file and when
IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | Not on file |
| 2024 | December 31, 2024 | May 15, 2025 | Not on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-N on file |
IRS record
- EIN
- 20-1593003
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2012
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Youth development (O50)
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2023 Officer: VINCENT OWENS | December 31, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS.
Questions about CASTLEMONT HIGH SCHOOL ALUMNI ASSOCIATION
- What is the EIN of CASTLEMONT HIGH SCHOOL ALUMNI ASSOCIATION?
- The employer identification number (EIN) of CASTLEMONT HIGH SCHOOL ALUMNI ASSOCIATION is 20-1593003.
- Is CASTLEMONT HIGH SCHOOL ALUMNI ASSOCIATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2012.
- Are donations to CASTLEMONT HIGH SCHOOL ALUMNI ASSOCIATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does CASTLEMONT HIGH SCHOOL ALUMNI ASSOCIATION file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of CASTLEMONT HIGH SCHOOL ALUMNI ASSOCIATION due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did CASTLEMONT HIGH SCHOOL ALUMNI ASSOCIATION last file with the IRS?
- The latest return in the IRS public files is the 990-N for 2023 for the year ended December 31, 2023.
- Who is the principal officer of CASTLEMONT HIGH SCHOOL ALUMNI ASSOCIATION?
- The 990-N for 2023 names VINCENT OWENS.
Other nonprofits in OAKLAND
- PLAYWORKS EDUCATION ENERGIZED EIN 94-3251867 · last filed 990 for 2025
- CIVICORPS EIN 94-2941068 · last filed 990 for 2025
- EAST BAY ASIAN YOUTH CENTER EIN 94-2925799 · last filed 990 for 2025
- QUEST PROGRAMS INC EIN 32-0075670 · last filed 990 for 2024
- URBAN PEACE MOVEMENT-OAKLAND EIN 45-2844649 · last filed 990 for 2025
- PEER HEALTH EXCHANGE INC EIN 56-2374305 · last filed 990 for 2025
- YOUTH UPRISING EIN 20-3321544 · last filed 990 for 2023
- OAKLAND KIDS FIRST EIN 01-0594835 · last filed 990 for 2025