Nonprofit · EIN 81-4176172
BIERSTADT FOUNDATION
Tax-exempt · FOSTER CITY, CA 94404
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
- 81-4176172
- 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
- 2016
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T30)
Filing history
| Form | Year ended | Revenue | Expenses | Assets |
|---|---|---|---|---|
| 990-N for 2025 | December 31, 2025 | ≤ $50,000 receipts | – | – |
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: e-filed returns processed since 2019; amounts from the IRS Statistics of Income extracts where available.
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- SAN MATEO-FOSTER CITY COMMUNITY EDUCATION FOUNDATION · 990 for 2025
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- DOUBLE TEN FOUNDATION · 990-N for 2024
- FOSTER CITY LIONS CHARITIES INC · 990-N for 2024
- GABRIEL AL-SALEM FOUNDATION · 990-N for 2024
- MATTSON FOUNDATION · 990-N for 2025
- ANDREW AND LEA DUDUM FOUNDATION · 990-PF for 2025
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