The Simon J Blattner Jr Foundation
Invitation OnlySonoma, California · EIN 36-4120321 · Private foundation
Grants paid (2025)$60K
Organizations funded21
Typical grant$1,000
Total assets$290K
Half of its grants to organizations were between $500 and $2,000.
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
4% of grants went outside California.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Sonoma Valley Hospital Foundation | Sonoma, CA | Welfare | $15,000 |
| Community Foundation Sonoma County | Santa Rosa, CA | Welfare | $12,500 |
| Redwood Empire Food Bank | Santa Rosa, CA | Welfare | $7,500 |
| Boys & Girls Club of Sonoma | Sonoma, CA | Welfare | $5,000 |
| Valley of the Moon Music Festival | Sonoma, CA | Welfare | $5,000 |
| Congregation Shir Shalom | Williamsville, NY | Religious | $2,000 |
| Impact 100 Sonoma | Sonoma, CA | Welfare | $2,000 |
| 10000 Degrees | San Rafael, CA | Education | $1,000 |
| Ceres Community Project | Sebastopol, CA | Welfare | $1,000 |
| Praxis Peace Institute | Sonoma, CA | Welfare | $1,000 |
| Sonoma Valley Mentoring Alliance | Sonoma, CA | Welfare | $1,000 |
| Transcendence Theatre Company | Sonoma, CA | Arts | $1,000 |
| Vintage House | Sonoma, CA | Welfare | $1,000 |
| The Book Club of California | San Francisco, CA | Education | $1,000 |
| Sonoma Community Center | Sonoma, CA | Welfare | $500 |
| Friends in Sonoma Helping | Sonoma, CA | Welfare | $500 |
| Pets Lifeline | Sonoma, CA | Welfare | $500 |
| Sonoma Valley Education Foundation | Sonoma, CA | Education | $500 |
| Sonoma Ecology Center | Eldridge, CA | Welfare | $500 |
| Sonoma Valley Community Health Ctr | Sonoma, CA | Welfare | $500 |
| Glide Foundation | San Francisco, CA | Welfare | $500 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $59,500 | 21 |
| 2024 | $31,554 | 19 |
| 2023 | $85,000 | 5 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 14, 2026 - IRS e-file batch, object ID 202631349349101428
- IRS Tax Exempt Organization Search for EIN 36-4120321
- Profile updated Nov 6, 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.