Nonprofit · EIN 47-0928675
SILVER BUFFALO
Also known as VON THATOR ROSE PRES
Tax-exempt (reinstated) · MILL VALLEY, CA 94941
Address and contacts
- Address (IRS master file)
- 768 LOVELL AVE, MILL VALLEY, CA 94941-4545
- In care of
- % NORA AQUINO
- Mailing address (990-N for 2021)
- 1200 BRICKYARD WAY 213, RICHMOND CA 94801
- Principal officer (990-N for 2021)
- ROSE VON THATER-BRAAN, 1200 BRICKYARD WAY 213, RICHMOND CA 94801
- Website
- WWW.SILVERBUFFALO.ORG
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 | Not on file |
At risk of automatic revocation
None of the last three returns is in the IRS public files. The IRS revokes tax-exempt status after three consecutive years without a return. Recent filings can take a few weeks to appear.
IRS record
- EIN
- 47-0928675
- 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
- 2026
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Arts, culture and humanities (A20)
Revocation and reinstatement
- Exemption revoked
- May 15, 2025
- Posted by the IRS
- August 12, 2025
- Reinstated
- Effective May 15, 2025
From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2021 Officer: ROSE VON THATER-BRAAN | December 31, 2021 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-EZ | December 2018 | – | – | – | IRS |
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 SILVER BUFFALO
- What is the EIN of SILVER BUFFALO?
- The employer identification number (EIN) of SILVER BUFFALO is 47-0928675.
- Is SILVER BUFFALO tax-exempt?
- Yes. The IRS revoked its exemption on May 15, 2025 and reinstated it effective May 15, 2025.
- Are donations to SILVER BUFFALO tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SILVER BUFFALO file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of SILVER BUFFALO 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 SILVER BUFFALO last file with the IRS?
- The latest return in the IRS public files is the 990-N for 2021 for the year ended December 31, 2021.
- Who is the principal officer of SILVER BUFFALO?
- The 990-N for 2021 names ROSE VON THATER-BRAAN.
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All nonprofits in MILL VALLEY · California · Arts, culture and humanities