Ariowitsch Family Foundation Inc
Invitation OnlyMill Valley, California · EIN 13-6279580 · Private foundation
Half of its grants to organizations were between $1,000 and $5,000.
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
37% of grants went outside California.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| American Friends of the Hebrew Univ | New York City, NY | Scholarship | $5,000 |
| Marin Mountessori School | Corte Madera, CA | Education | $5,000 |
| Headlands Center for Arts | Sausalito, CA | Education | $5,000 |
| The Community Foundation | Boulder, CO | Arts education, environment, humanitarian | $3,000 |
| UC Berkeley Foundation | Berkeley, CA | Education | $2,000 |
| Environmental Defense Fund | San Francisco, CA | Environmental | $1,500 |
| Washington University | St Louis, MO | Education | $1,000 |
| Rainforest Action Network | San Francisco, CA | Environment | $500 |
The return also lists 8 grants to individuals ($37,000). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $60,000 | 16 |
| 2024 | $54,000 | 15 |
| 2023 | $50,000 | 8 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 18, 2026 - IRS e-file batch, object ID 202631389349100908
- IRS Tax Exempt Organization Search for EIN 13-6279580
- Profile updated Nov 7, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.