Siebel Family Charitable Foundation
Private foundation · Ross, CA · EIN 68-0344239 · reported 2023–2025
31grants reported
$2,500median award
$1,000lower quartile
$800smallest grant
$165Ktotal paid
8states reached
3years giving
This foundation funds faith-based organizations. 2 of its 31 reported grants went to churches, ministries or other religious organizations, $20K in total. That is what it paid, not what it says in a policy.
Gives every year. This foundation reported grants in 2023, 2024, 2025. A funder that shows up year after year is worth a letter even if this year is a no.
Where to write
PO Box 218
Ross, CA 94957-0218
Address as registered with the IRS. Most foundations this size have no website and no application form, which is not a dead end: a short letter to this address is the whole process, and almost nobody sends one.
Who they funded
| Recipient and stated purpose | Where | Amount |
|---|---|---|
| Ross School Foundation | Ross, CA | $25,000 |
| The Representation Project | Sacramento, CA | $23,000 |
| Branson School ENDOWMENT FUND | Ross, CA | $20,000 |
| Conservation Int'l Fdn Development Dept | Arlington, VA | $10,000 |
| St Anselm Church RESTORATION CAMPAIGN | Ross, CA | $10,000 |
| Fellowship of Christian Athletes | Kansas City, MO | $10,000 |
| Bay Area Discovery Museum | Sausalito, CA | $9,000 |
| Marinhealth Foundation | Greenbrae, CA | $7,050 |
| Greenwich Country Day School | Greenwich, CT | $5,000 |
| Stanford University | Stanford, CA | $5,000 |
| Play Like Robert Foundation | Hamilton, MT | $5,000 |
| Greenwich Country Day School | Greenwich, CT | $5,000 |
| Treasure State Foundation | Helena, MT | $3,000 |
| Jim Saunders Fund | Kailuakona, HI | $3,000 |
| Treasure State Foundation | Helena, MT | $3,000 |
| Conservation Int'l Fdn | Arlington, VA | $2,500 |
| Oceanic Society | Ross, CA | $2,000 |
| Raptors of the Rockies | Florence, MT | $2,000 |
| Oceanic Society | Ross, CA | $2,000 |
| Raptors of the Rockies | Florence, MT | $2,000 |
| Duke University Alumni & Development Records | Durham, NC | $1,250 |
| Alpha PI Alliance for the Preservation of Historic Places Inc | Verona, WI | $1,000 |
| Clark Fork Coalition | Missoula, MT | $1,000 |
| Teller Wildlife Refuge | Corvallis, MT | $1,000 |
| The Maven Project | San Francisco, CA | $1,000 |
| Oceanic Society | Ross, CA | $1,000 |
| Grace Science Foundation | Menlo Park, CA | $1,000 |
| Grace Science Foundation | Menlo Park, CA | $1,000 |
| Jim Saunders Fund | Kailuakona, HI | $1,000 |
| The Maven Project | San Francisco, CA | $1,000 |
| San Francisco Museum of Modern Art | San Francisco, CA | $800 |
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