Jinnie K Simonsen and John V Carbone Foundation
Invitation OnlyTiburon, California · EIN 85-2237636 · Private foundation
Half of its grants to organizations were between $2,000 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
12% of grants went outside California.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Marin Health Foundation | Greenbrae, CA | Contribution to General Fund. | $200,000 |
| Marin Humane | Novato, CA | Contribution to General Fund. | $7,520 |
| Marin Health Foundation Racoons | Greenbrae, CA | Contribution to General Fund. | $5,000 |
| The Edible Schoolyard Project | Berkeley, CA | Contribution to General Fund. | $5,000 |
| Jewish Community Center of SF | San Francisco, CA | Contribution to the General Fund. | $5,000 |
| SF Opera Guild | San Francisco, CA | Contribution to General Fund. | $2,500 |
| Best Friends Animal Society | Los Angeles, CA | Contribution to the General Fund. | $2,000 |
| Wheelhouse Foundation | Charlotte, NC | Contribution to the General Fund. | $600 |
The return also lists 5 grants to individuals ($20,200). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $247,820 | 13 |
| 2024 | $296,744 | 15 |
| 2023 | $48,232 | 14 |
Sources
- IRS Form 990-PF, tax year 2025, filed Sep 1, 2026 - IRS e-file batch, object ID 202602449349101110
- IRS Tax Exempt Organization Search for EIN 85-2237636
- Profile updated Nov 8, 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.