Jinnie K Simonsen and John V Carbone Foundation
Jinnie K Simonsen and John V Carbone is a private foundation based in Tiburon, California. Its 2024 filing reports grants to charitable organizations, including organizations working in health, education, nature, community services, and other areas.
Jinnie K Simonsen and John V Carbone Foundation at a glance
In short: Jinnie K Simonsen and John V Carbone Foundation gave $297K across 15 grants in 2024 (avg $20K), mostly in California. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $296,744
- +515.2% vs 2023
- Grants made (2024)
- 15
- +7.1% vs 2023
- Average grant
- $19,783
- +474.2% vs 2023
- Median grant
- $5,000
- Total assets
- $1,508,502
- +2419.7% vs 2023
- Primary geography
- California (64% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026.
How to apply to Jinnie K Simonsen and John V Carbone Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and states that it contributes only to preselected charitable organizations.
- Contact
Mailing address: 14 Indian Rock Ct, Tiburon, CA 94920
Phone: (415) 292-2424
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Jinnie K Simonsen and John V Carbone Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Eatonville Dollars for Scholars ($100K). Together the top 10 received $289K.
Grant Size Distribution
42 grants across all recorded years
The most common grant size was under $50K: 38 grants of 42 (90%).
Geographic Focus
Where this funder awards grants
In 2024, 64% of grant dollars went to recipients in California and 36% to recipients in Washington. The filing also reports a 0% share for Missouri.
Grant Distribution by State
Share of 2024 grant dollars across all 15 itemized grants.
Cities
How Jinnie K Simonsen and John V Carbone Foundation gives
- 40% of 2024 grantees were also funded in 2023. Method
- Giving grew 2635% from 2021 to 2024. Method
- In 2024 it paid out 142% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $11K (2021) to $297K (2024). In 2024 it made 15 grants totaling $297K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Eatonville Dollars for Scholars Eatonville, WA | Contribution to General Fund. | $100,000 |
| Marin Health Foundation Greenbrae, CA | Contribution to General Fund. | $100,000 |
| SF Opera Guild San Francisco, CA | Contribution to General Fund. | $25,588 |
| By the Bay Hospice Larkspur, CA | Contribution to General Fund. | $20,000 |
| Marin Health Foundation Racoons Greenbrae, CA | Contribution to General Fund. | $12,500 |
| NatureBridge Sausalito, CA | Contribution to General Fund. | $8,100 |
| Nordstrom Foundation Settle, WA | Contribution to General Fund. | $7,456 |
| Marin Health Foundation Cancer Care Greenbrae, CA | Contribution to General Fund. | $5,000 |
| Integrated Community Services San Rafael, CA | Contribution to General Fund. | $5,000 |
| CHP Foundation Costa Mesa, CA | Contribution to General Fund. | $5,000 |
Ready to take the next step with Jinnie K Simonsen and John V Carbone Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $1,508,502 | $1,727,877 | $357,380 | $296,744 | 15 | $357,107 | $144,446 | $251,202 |
| 2023 | $59,869 | $45,944 | $55,716 | $48,232 | 14 | $54,412 | $19,640 | $17,412 |
| 2022 | $69,641 | $159,446 | $158,720 | $85,290 | 6 | $158,720 | $89,667 | $11,335 |
| 2021 | $38,226 | $5,549 | $15,217 | $10,850 | 6 | $14,465 | — | $9,027 |
| 2020 | $47,893 | $102,523 | $54,630 | $50,000 | 1 | — | $50,785 | — |
Under IRS private-foundation payout rules, Jinnie K Simonsen and John V Carbone Foundation reported a distributable amount of $251K for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2024 grants included NatureBridge, whose mission is to connect young people with the natural world and inspire stewardship of the planet; Integrated Community Services, which provides supported employment and independent-living-skills training; and Vivalon, which advances independence, health, and quality of life for older adults and people with disabilities.
Other 2024 recipients included The Edible Schoolyard Project, which describes its mission as building and sharing a national food curriculum, and Veterans of Foreign Wars, which describes its mission as promoting patriotism and supporting military and civilian communities.
Grantmaking
In 2024, the foundation made 15 grants totaling $296,744. Grant amounts ranged from $100 to $100,000, with a median grant of $5,000.
The largest reported grants were $100,000 each to Eatonville Dollars for Scholars in Eatonville, Washington, and Marin Health Foundation in Greenbrae, California. Other notable grants included $25,588 to SF Opera Guild, $20,000 to By the Bay Hospice, and $12,500 to Marin Health Foundation Racoons.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Jinnie K Simonsen as President & CEO and John V Carbone as Vice President.
Jinnie K Simonsen and John V Carbone Foundation is led by Jinnie K Simonsen, President & CEO on every filing since 2020; none of the 2 officers listed in 2024 report compensation.
Officers on the 2024 filing
Jinnie K Simonsen
President & CEO
On filings since 2020
No compensation reported
John V Carbone
Vice President
On filings since 2020
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Jinnie K Simonsen and John V Carbone Foundation
How much does Jinnie K Simonsen and John V Carbone Foundation give each year?
Jinnie K Simonsen and John V Carbone Foundation gave $297K across 15 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $48K across 14 grants.
What is Jinnie K Simonsen and John V Carbone Foundation's typical grant size?
Jinnie K Simonsen and John V Carbone Foundation's median grant in 2024 was $5,000, and its average grant was $19,783, across 15 grants on its 2024 IRS Form 990-PF.
Where does Jinnie K Simonsen and John V Carbone Foundation give grants?
Jinnie K Simonsen and John V Carbone Foundation gives mostly in California: 64% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was Washington (36%). The most frequent recipient cities were Greenbrae, CA (3 grants) and San Rafael, CA (3 grants).
Does Jinnie K Simonsen and John V Carbone Foundation give general operating support?
Yes: 100% of Jinnie K Simonsen and John V Carbone Foundation's 2024 grants with a stated purpose (15 of 15) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are Jinnie K Simonsen and John V Carbone Foundation's largest grantees?
Jinnie K Simonsen and John V Carbone Foundation's largest 2024 grantees include Eatonville Dollars for Scholars ($100,000), Marin Health Foundation ($100,000) and SF Opera Guild ($25,588), according to its 2024 IRS Form 990-PF. Together they received 76% of its itemized 2024 grant dollars.
How large is Jinnie K Simonsen and John V Carbone Foundation?
Jinnie K Simonsen and John V Carbone Foundation reported $1.5M in total assets on its 2024 IRS Form 990-PF. It paid out $357K in qualifying distributions that year, against a required minimum of $251K (roughly 5% of its investment assets).
What does Jinnie K Simonsen and John V Carbone Foundation fund?
No mission statement for the foundation is provided. See mission & focus areas ↑
How do I apply for a grant from Jinnie K Simonsen and John V Carbone Foundation?
The foundation does not accept unsolicited requests for funds and states that it contributes only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Jinnie K Simonsen and John V Carbone Foundation's EIN?
Jinnie K Simonsen and John V Carbone Foundation's EIN (Employer Identification Number) is 85-2237636. IRS Form 990 filing data is available on this page for 2020–2024.
Does Jinnie K Simonsen and John V Carbone Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Jinnie K Simonsen and John V Carbone Foundation funds
Medical Research Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Jinnie K Simonsen and John V Carbone Foundation's focus areas in our free grants database
Similar Funders
Funders with grantees in common, and similar funders in California
Marin Community Foundation
Novato, CA
Marin Community Foundation funds work in affordable housing and homelessness, community resilience and power, as well as social services, education, arts and conservation, with a focus on marginalized Marin County residents and some broader U.S. and international grantmaking. Its 2025 grants had a median of $25,000, though amounts varied widely. The profile does not state whether it accepts unsolicited requests.
Assets
$1.3B
Grants
1,573
Total Given
$186.1M
McNabb Foundation
Wilmington, DE
The McNabb Foundation’s website describes support for behavioral health and social services in East Tennessee, while its 2024 grants went to organizations with varied missions, mostly in California. Grants ranged from $500 to $5,000, with a median of $1,000. It does not accept unsolicited requests and gives only to preselected charitable organizations.
Assets
$4.8M
Grants
328
Total Given
$358K
Hobsonlucas Family Foundation
San Rafael, CA
The foundation funds a broad range of work, including higher education, arts and film, legal advocacy, health and substance-use services, youth programs, and international development. In 2024, grants ranged from $500 to $13 million, with a median of $5,000; funding went mainly to organizations in California, New York, and New Jersey. It accepts requests by letter, with no stated deadlines or award restrictions.
Assets
$1.2B
Grants
336
Total Given
$56.8M
Hilltop Foundation
Tiburon, CA
The foundation supports a range of charitable work, including food assistance, humanitarian aid, veterans’ services, health care, and public media, with most 2025 grant dollars going to California organizations. Its grants ranged from $500 to $17,500, with a median of $5,000; it funds only preselected organizations and does not accept unsolicited requests.
Assets
$5.4M
Grants
65
Total Given
$373K
Silicon Valley Community Foundation
Mountain View, CA
Silicon Valley Community Foundation funds work in areas such as housing, economic security, education, health, the environment, arts and culture, and civic engagement, with Community Action Grants supporting local, community-led organizations in San Mateo and Santa Clara counties. Its 2024 grants had a median of $51,716, though amounts varied widely; applications depend on the program, and SVCF states that it does not accept unsolicited proposals for advised funds.
Assets
$12.3B
Grants
3,576
Total Given
$3.2B
California Community Foundation
Los Angeles, CA
The California Community Foundation supports nonprofits through discretionary and donor-directed grants, with discretionary priorities including education, health, housing and immigration, alongside other areas such as arts, civic engagement and economic opportunity. Its 2025 grants had a median of $50,000, and its work is focused on Los Angeles County; prospective discretionary applicants are asked to contact the relevant program officer before submitting a letter of intent.
Assets
$2.3B
Grants
2,174
Total Given
$326.6M
More similar funders
More Funders in California
Cite this profile
Grantable. (2026). Jinnie K Simonsen and John V Carbone Foundation funder profile. GrantGraph. Retrieved October 20, 2026, from https://grantable.co/funders/jinnie-k-simonsen-and-john-v-carbone-foundation-morg_1e820ec4e6754083934014c4b86a1e3c
BibTeX
@misc{grantable_852237636_2026,
author = {{Grantable}},
title = {{Jinnie K Simonsen and John V Carbone Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/jinnie-k-simonsen-and-john-v-carbone-foundation-morg_1e820ec4e6754083934014c4b86a1e3c},
note = {Accessed 2026-10-20. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Jinnie K Simonsen and John V Carbone Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
Jinnie K Simonsen and John V Carbone Foundation down — hundreds of funders to go?