Nonprofit · EIN 88-1915598
THE MARINCHESS FOUNDATION
Tax-exempt · MILL VALLEY, CA 94941
Address and contacts
- Address (IRS master file)
- 22 HERON DR, MILL VALLEY, CA 94941-3271
- Mailing address (990-N for 2025)
- 22 HERON DRIVE, MILL VALLEY CA 94941
- Principal officer (990-N for 2025)
- HENRY LIEN, 22 HERON DRIVE, MILL VALLEY CA 94941
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 | 990-N on file |
| 2024 | December 31, 2024 | May 15, 2025 | No data |
| 2023 | December 31, 2023 | May 15, 2024 | No data |
IRS record
- EIN
- 88-1915598
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2023
- 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 2025 Officer: HENRY LIEN | December 31, 2025 | ≤ $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 THE MARINCHESS FOUNDATION
- What is the EIN of THE MARINCHESS FOUNDATION?
- The employer identification number (EIN) of THE MARINCHESS FOUNDATION is 88-1915598.
- Is THE MARINCHESS FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2023.
- Are donations to THE MARINCHESS FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does THE MARINCHESS FOUNDATION file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of THE MARINCHESS FOUNDATION due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did THE MARINCHESS FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
- Who is the principal officer of THE MARINCHESS FOUNDATION?
- The 990-N for 2025 names HENRY LIEN.
Other nonprofits in MILL VALLEY
- TRIBE RISING INDIA EIN 84-2093593 · last filed 990 for 2025
- TAMALPAIS HIGH SCHOOL BOOSTERS CLUB EIN 68-0385385 · last filed 990 for 2025
- SOUTHERN MARIN MOTHERS ORGANIZATIONAL EIN 68-0427069 · last filed 990-EZ for 2026
- LIFEPLAN INSTITUTE EIN 81-2764814 · last filed 990 for 2024
- NEXT STEPS LIAISON PROJECT EIN 82-0734798 · last filed 990-EZ for 2025
- GIRLS FORCE EIN 83-2141136 · last filed 990-N for 2025
- MOUTHFUL PROJECT EIN 81-3419520 · last filed 990-N for 2024
- IMAGINE WORLDWIDE EIN 82-0990106 · last filed 990 for 2024
All nonprofits in MILL VALLEY · California · Youth development