Peter E Sills Family Foundation
The PETER E SILLS FAMILY FOUNDATION is a private foundation based in Kentfield, California. In its 2025 filing, it reported giving $110,000 through 12 grants, supporting organizations whose listed purposes included youth development, education, and health services.
Key facts about Peter E Sills Family Foundation
In short: Peter E Sills Family Foundation gave $110K across 12 grants in 2025 (avg $9K), mostly in California. Source: 2025 IRS Form 990-PF.
- EIN
- 46-4260360
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $110,000
- Grants made (2025)
- 12
- Average grant
- $9,167
- Median grant
- $7,500
- Total assets
- $691,958
- Primary geography
- California (100% of itemized 2025 grant dollars)
- How to apply
- The 2025 filing states that the foundation does not restrict giving to preselected organizations. Full details ↓
Data from IRS Form 990-PF, 2025; updated September 2026. Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$692K
-6.7% YoY
Annual Giving
$110K
+120.0% YoY
Grant Count
12
+100.0% YoY
Avg Grant Size
$9K
+10.0% YoY
Under IRS private-foundation payout rules, Peter E Sills Family Foundation reported a distributable amount of $68K for 2025 — the minimum it must pay out in qualifying distributions.
How Peter E Sills Family Foundation gives
- 50% of 2025 grantees were also funded in 2024. Method
- Giving grew 120% from 2022 to 2025. Method
- In 2025 it paid out 168% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants included youth development programs and services, education, and patient and health support services.
The grantees’ own descriptions offer examples of the work supported. The Boys & Girls Club of Tracy says its mission is to help young people reach their full potential as productive, caring, responsible citizens. Family House says it provides a home away from home and physical comfort and emotional support for families of children with cancer and other life-threatening illnesses. The Olympic Club Foundation says it supports programs that use organized athletics to enrich young lives and develop future community leaders.
Grantmaking
In 2025, the foundation made 12 grants totaling $110,000. Grant amounts ranged from $5,000 to $30,000, with a median of $7,500. The largest awards included $30,000 to the Boys & Girls Club of Tracy; $10,000 each to the 49er Foundation, Painted Turtle, Schools Mentoring & Resource Team, Oasis for Girls, and Northern CA Jewish Sports Hall; and $5,000 each to Family House, George Mark Childrens Fund, KIK Foundation Kentfield Schools, Olympic Club Foundation, Dedication to Special Education, and GPII Foundation.
Review Cycle
, and restrictions on awards listed as N/A.
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Geographic Focus
Where this funder awards grants
All grant dollars reported for 2025 went to recipients in California.
Grant Distribution by State
Share of 2025 grant dollars across all 12 itemized grants.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $23K (2020) to $110K (2025). In 2025 it made 12 grants totaling $110K.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Boys and Girls Club of Tracy ($30K). Together the top 10 received $100K.
Grant Size Distribution
36 grants across all recorded years
The most common grant size was under $50K: 36 grants of 36 (100%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Boys and Girls Club of Tracy Tracy, CA | Youth Development Services and Programs | $30,000 |
| 49ER Foundation Santa Clara, CA | Youth Development Services and Programs | $10,000 |
| Painted Turtle Santa Monica, CA | Youth Development / Youth Development Programs, Other | $10,000 |
| Schools Mentoring & Resource Team San Francisco, CA | Education N.E.C. | $10,000 |
| Oasis for Girls San Francisco, CA | Youth Development Services and Programs | $10,000 |
| Northern CA Jewish Sports Hall San Francisco, CA | Youth Development / Youth Development Programs, Other | $10,000 |
| Family House Inc San Francisco, CA | Health - General and Rehabilitative / Patient Services | $5,000 |
| George Mark Childrens Fund San Leandro, CA | Health - general and rehabilitative / health support services | $5,000 |
| KIK Foundation Kentfield Schools Kentfield, CA | Youth Development Services and Programs | $5,000 |
| Olympic Club Foundation San Francisco, CA | Youth Development Services and Programs | $5,000 |
Financial History
Multi-year comparison from IRS filings
| Filing year | Assets | Revenue | Expenses | Grants |
|---|---|---|---|---|
| 2025 | $691,958 | $68,409 | $117,738 | $110,000 (12 grants) |
| 2024 | $741,287 | $24,524 | $61,346 | $50,000 (6 grants) |
| 2023 | $774,664 | $19,373 | $37,139 | $27,500 (3 grants) |
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $691,958 | $741,287 | $774,664 |
| Revenue | $68,409 | $24,524 | $19,373 |
| Expenses | $117,738 | $61,346 | $37,139 |
| Qualifying Distributions | $113,345 | $53,990 | $30,500 |
| Net Investment Income | $64,269 | $18,201 | $19,067 |
| Distributable Amount | $67,523 | $60,510 | $53,484 |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 2, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)
- Added Form 990-PF for fiscal year 2019 (received by the IRS May 18, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 13, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 2, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 10, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 8, 2024)
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Peter E Sills as director and chairman; Hilary Thakral as VP - Development; and David S Tallman, Denise Castle, and Robert Tomasello as directors.
Peter E Sills Family Foundation is led by Peter E. Sills, Director & Chairman on every filing since 2019; none of the 5 officers listed in 2025 report compensation.
Officers on the 2025 filing
Peter E. Sills
Director & Chairman
On filings since 2019
No compensation reported
David S. Tallman
Director
On filings since 2019
No compensation reported
Denise Castle
Director
On filings since 2019
No compensation reported
Robert Tomasello
Director
On filings since 2019
No compensation reported
Hilary Thakral
Vice President - Development
On filings since 2022
No compensation reported
Former officers (1)
- Former: Hilary Wehlitz (2019–2021) — Vice President - Development
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Contact
Application contact: Peter E Sills
Mailing address: 26 Makin Grade, Kentfield, CA 94904
Phone: (415) 817-9917
Website: https://pesillsfamilyfoundation.org
Frequently asked questions about Peter E Sills Family Foundation
How much does Peter E Sills Family Foundation give each year?
Peter E Sills Family Foundation gave $110K across 12 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $50K across 6 grants.
What is Peter E Sills Family Foundation's typical grant size?
Peter E Sills Family Foundation's median grant in 2025 was $7,500, and its average grant was $9,167, across 12 grants on its 2025 IRS Form 990-PF.
Where does Peter E Sills Family Foundation give grants?
Peter E Sills Family Foundation gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were San Francisco, CA (5 grants).
Does Peter E Sills Family Foundation give general operating support?
Yes: 17% of Peter E Sills Family Foundation's 2025 grants with a stated purpose (2 of 12) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "Youth Development Services and Programs" (6 grants).
Who are Peter E Sills Family Foundation's largest grantees?
Peter E Sills Family Foundation's largest 2025 grantees include Boys and Girls Club of Tracy ($30,000), 49ER Foundation ($10,000) and Painted Turtle ($10,000), according to its 2025 IRS Form 990-PF. Together they received 45% of its itemized 2025 grant dollars.
How large is Peter E Sills Family Foundation?
Peter E Sills Family Foundation reported $692K in total assets on its 2025 IRS Form 990-PF. It paid out $113K in qualifying distributions that year, against a required minimum of $68K (roughly 5% of its investment assets).
What does Peter E Sills Family Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants included youth development programs and services, education, and patient and health support services. See mission & focus areas ↑
How do I apply for a grant from Peter E Sills Family Foundation?
The 2025 filing states that the foundation does not restrict giving to preselected organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Peter E Sills Family Foundation's EIN?
Peter E Sills Family Foundation's EIN (Employer Identification Number) is 46-4260360. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
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