The Walter Stone Foundation
The Walter Stone Foundation is a private foundation, based in Mill Valley, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $48K in total assets. In 2024, it awarded 2 grants totaling $6K. Net investment income was $2K.
The Walter Stone Foundation at a glance
In short: The Walter Stone Foundation gave $6K across 2 grants in 2024 (avg $3K), mostly in California. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $6,346
- +98.3% vs 2023
- Grants made (2024)
- 2
- +100.0% vs 2023
- Average grant
- $3,173
- -0.8% vs 2023
- Median grant
- $3,173
- Total assets
- $47,886
- -1.4% vs 2023
- Primary geography
- California (98% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated September 2026.
Who The Walter Stone Foundation funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2024
The largest 2024 recipient was Kol Shofar ($6K). Together the top 2 received $6K.
Grant Size Distribution
3 grants across all recorded years
The most common grant size was under $50K: 3 grants of 3 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 2 itemized grants.
States
Cities
How The Walter Stone Foundation gives
- In 2024 it paid out 284% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2023 to 2024, annual grant giving ranged from $3K (2023) to $6K (2024). In 2024 it made 2 grants totaling $6K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Kol Shofar Tiburon, CA | General Support | $6,246 |
| Ezra Uganda Assistance Brookeville, MD | General Support | $100 |
Ready to take the next step with The Walter Stone 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 | $47,886 | $4,690 | $6,387 | $6,346 | 2 | $6,346 | $1,665 | $2,237 |
| 2023 | $48,566 | $5,156 | $3,243 | $3,200 | 1 | $3,200 | $1,131 | $2,139 |
| 2022 | $44,716 | $6,762 | — | — | — | — | $1,262 | $2,041 |
| 2021 | $42,345 | $1,350 | $1,770 | — | — | — | — | $1,949 |
| 2020 | $39,253 | $5,623 | $1,850 | — | — | — | — | $1,796 |
Under IRS private-foundation payout rules, The Walter Stone Foundation reported a distributable amount of $2K for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The Walter Stone Foundation is led by Esther Stone, President on every filing since 2023 — the only officer listed, and uncompensated.
Officers on the 2024 filing
Esther Stone
President
On filings since 2023
No compensation reported
Former officers (1)
- Former: Walter Stone (2020–2022) — President
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 The Walter Stone Foundation
How much does The Walter Stone Foundation give each year?
The Walter Stone Foundation gave $6K across 2 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $3K across 1 grant.
How large is The Walter Stone Foundation?
The Walter Stone Foundation reported $48K in total assets on its 2024 IRS Form 990-PF. It paid out $6K in qualifying distributions that year, against a required minimum of $2K (roughly 5% of its investment assets).
Where does The Walter Stone Foundation operate?
The Walter Stone Foundation has awarded grants in California, Maryland.
What is The Walter Stone Foundation's EIN?
The Walter Stone Foundation's EIN (Employer Identification Number) is 31-6090977. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Other open foundation grants in California
California Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in The Walter Stone Foundation's focus areas in our free grants database
Similar Funders
Funders with grantees in common, and similar funders in California
The Max Delfiner Memorial Foundation
Lansdale, PA
Assets
$1.8M
Grants
4
Total Given
$75K
The Buchman Foundation Inc
Catskill, NY
The Buchman Foundation supports eligible charitable organizations, with recent grants going to religious and community groups and a wildlife center. In 2024, it awarded 11 grants of $360 to $13,000, with a median of $1,000, all to New York recipients. It accepts unsolicited requests from 501(c)(3) organizations at any time, with no required application form or format.
Assets
$759K
Grants
11
Total Given
$45K
Brener Family Foundation
Los Angeles, CA
The Brener Family Foundation’s 2023 grants supported organizations working in areas including Jewish renewal, theatre, racial justice, food insecurity, and children’s education, primarily in California, New York, and Pennsylvania, with some funding in Louisiana and Hawaii. It gave 29 grants totaling $36,736, ranging from $150 to $10,000, with a median of $1,000. It accepted only requests from preselected organizations and did not accept unsolicited requests; the foundation has since dissolved.
Assets
—
Grants
29
Total Given
$37K
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
The William & Flora Hewlett Foundation
Menlo Park, CA
The William & Flora Hewlett Foundation funds education, climate and conservation, the arts, democracy, gender equity, racial justice, and efforts to strengthen nonprofits and philanthropy, with work spanning the San Francisco Bay Area, the U.S. West, and locations including East and West Africa and Mexico. Its 2024 grants had a median award of $150,000, though amounts varied widely. It generally does not accept unsolicited requests, but sometimes invites proposals through open processes.
Assets
$14.2B
Grants
2,001
Total Given
$625.0M
More similar funders
More Funders in California
The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from The Walter Stone 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.
The Walter Stone Foundation down — hundreds of funders to go?