Private foundation · EIN 85-2237636 · Tiburon, California · Medical research

Jinnie K Simonsen and John V Carbone Foundation

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2025 Form 990-PF: 13 grants paid, $248K total, median $5,000. 92% of grants stayed in California.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
13
$248K
Median grant
$5,000
Stays in CA
92%
of grants
Deadline
—
Assets
$1.4M

Grants paid in 2025

13 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
Marin Health FoundationGreenbrae, CAContribution to General Fund.$200K
Shifting Gears EducationSan Rafael, CAContribution to the General Fund.$10K
Marin HumaneNovato, CAContribution to General Fund.$7,520
Marin Health Foundation RacoonsGreenbrae, CAContribution to General Fund.$5,000
The Edible Schoolyard ProjectBerkeley, CAContribution to General Fund.$5,000
Jewish Community Center of SFSan Francisco, CAContribution to the General Fund.$5,000
One Step BeyondSan Carlos, CAContribution to the General Fund.$5,000
VivalonSan Rafael, CAContribution to General Fund.$2,500
SF Marin Food BankSan Rafael, CAContribution to General Fund.$2,500
SF Opera GuildSan Francisco, CAContribution to General Fund.$2,500
Best Friends Animal SocietyLos Angeles, CAContribution to the General Fund.$2,000
Wheelhouse FoundationCharlotte, NCContribution to the General Fund.$600
Veterans of Foreign WarsPleasant Hill, CAContribution to General Fund.$200

By state: California 12 · North Carolina 1

About this foundation

Jinnie K Simonsen and John V Carbone Foundation is a private grantmaking foundation in Tiburon, California, tax-exempt since 2021. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Jinnie K Simonsen and John V Carbone Foundation accept grant applications?

No. On its 2025 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does Jinnie K Simonsen and John V Carbone Foundation give each year?

In tax year 2025 it paid $248K across 13 grants, a median of $5,000.

Where does Jinnie K Simonsen and John V Carbone Foundation give?

California (12 grants), North Carolina (1 grants), per its latest filing.

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