Siebel Family Charitable Foundation
Invitation OnlyRoss, California · EIN 68-0344239 · Private foundation
Grants paid (2025)$88K
Organizations funded13
Typical grant$3,000
Total assets$596K
Half of its grants to organizations were between $2,000 and $10,000.
From the return
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
61% of grants went outside California.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Ross School Foundation | Ross, CA | Support | $25,000 |
| Branson School | Ross, CA | Endowment fund | $20,000 |
| Conservation Int'l Fdn Development Dept | Arlington, VA | Support | $10,000 |
| St Anselm Church | Ross, CA | Restoration campaign | $10,000 |
| Greenwich Country Day School | Greenwich, CT | Support | $5,000 |
| Stanford University | Stanford, CA | Support | $5,000 |
| Treasure State Foundation | Helena, MT | Support | $3,000 |
| Conservation Int'l Fdn | Arlington, VA | Support | $2,500 |
| Oceanic Society | Ross, CA | Support | $2,000 |
| Raptors of the Rockies | Florence, MT | Support | $2,000 |
| Alpha Pi Alliance for the Preservation of Historic Places Inc | Verona, WI | Support | $1,000 |
| Clark Fork Coalition | Missoula, MT | Support | $1,000 |
| Teller Wildlife Refuge | Corvallis, MT | Support | $1,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $87,500 | 13 |
| 2024 | $32,300 | 10 |
| 2023 | $44,800 | 8 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 8, 2026 - IRS e-file batch, object ID 202621289349101317
- IRS Tax Exempt Organization Search for EIN 68-0344239
- Profile updated Nov 5, 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.