Weinreb Pilecki Segal Foundation
The Weinreb Pilecki Segal Foundation is a private foundation based in Petaluma, California. Its 2025 filing reports grants to organizations working in areas including homelessness, food assistance, education, and animal welfare; most of its grant dollars went to recipients in California.
Weinreb Pilecki Segal Foundation at a glance
In short: Weinreb Pilecki Segal Foundation gave $93K across 69 grants in 2025 (avg $1K), mostly in California. 43% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $93,425
- -27.8% vs 2024
- Grants made (2025)
- 69
- -26.6% vs 2024
- Average grant
- $1,354
- -1.7% vs 2024
- Median grant
- $620
- Total assets
- $883,105
- -8.1% vs 2024
- New grantees (estimate)
- 43% first-time grantees (20 of 46, 2025)
- Primary geography
- California (95% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Weinreb Pilecki Segal Foundation
- How to Apply
-
The filing lists no required format, no deadlines, and no restrictions or limitations on awards. It says the foundation does not restrict giving to preselected organizations.
- Contact
Application contact: Weinreb Pilecki Segal Foundation
Mailing address: 40 Fouth St, Ste 340, Petaluma, CA 94952
Phone: (415) 519-5227
Email: marion@mweinreb.com
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Weinreb Pilecki Segal Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was The Living Room ($11K across 9 grants). Together the top 10 received $58K.
Grant Size Distribution
375 grants across all recorded years
The most common grant size was under $50K: 374 grants of 375 (100%).
Geographic Focus
Where this funder awards grants
In 2025, 95% of grant dollars went to California recipients. Illinois, New York, Missouri, and the District of Columbia each accounted for 1%.
Grant Distribution by State
Share of 2025 grant dollars across all 69 itemized grants.
States
Cities
Is Weinreb Pilecki Segal Foundation open to new grantees?
43%
first-time grantees, 2025
In 2025, 20 of 46 grantees (43%) were first-time recipients. First grants averaged $2K; repeat grants $2K. How we count
Medians: $1K first-time, $2K repeat.
- 37% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (−11%). Method
- In 2025 it paid out 204% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). 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 2019 to 2025, annual grant giving ranged from $42K (2019) to $132K (2023). In 2025 it made 69 grants totaling $93K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Living Room Santa Rosa, CA | To Further Exempt Purpose | $7,500 |
| Homeward Bound of Marin Novato, CA | To Further Exempt Purpose | $6,000 |
| Ceres Community Project Sebastopol, CA | To Further Exempt Purpose | $5,400 |
| Christ Church United Methodist Santa Rosa, CA | To Further Exempt Purpose | $5,000 |
| Muttville Senior Dog Rescue Sanfrancisco, CA | To Further Exempt Purpose | $5,000 |
| Alameda Food Bank Alameda, CA | To Further Exempt Purpoae | $4,000 |
| NCLR Sacramento, CA | To Further Exempt Purpose | $4,000 |
| Roseland School District Santa Rosa, CA | To Further Exempt Purpose | $4,000 |
| SF Marin Food Bank San Francisco, CA | To Further Exempt Purpose | $4,000 |
| Una Vida Petaluma, CA | To Further Exempt Purpose | $4,000 |
Ready to take the next step with Weinreb Pilecki Segal 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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $883,105 | $23,468 | $100,267 | $93,425 | 69 | $99,451 | $40,350 | $48,763 |
| 2024 | $961,309 | $16,663 | $140,197 | $129,479 | 94 | $137,905 | $43,588 | $47,690 |
| 2023 | $1,108,862 | $82,309 | $141,962 | $131,520 | 97 | $137,729 | $38,392 | $50,613 |
| 2022 | $1,182,974 | $512,668 | $128,465 | $105,539 | 57 | $128,465 | $23,684 | $54,830 |
| 2021 | $801,800 | $499,882 | $101,898 | $90,012 | 58 | $100,066 | $277,853 | $24,777 |
| 2020 | $414,581 | $366,542 | $93,708 | $63,656 | 85 | — | $131,812 | $12,932 |
| 2019 | $244,210 | $166,714 | $47,489 | $41,767 | 45 | — | $2,315 | $8,194 |
Under IRS private-foundation payout rules, Weinreb Pilecki Segal Foundation reported a distributable amount of $49K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The foundation’s filing describes grants to the Living Room Center, which provides housing and drop-in day services for homeless women and children; Ceres Community Project, which provides medically tailored meals for people facing serious illnesses; and Homeward Bound of Marin, which provides shelter, housing, and support for homeless families.
Other 2025 recipients describe a range of services. Homeward Bound of Marin says it provides emergency shelter, supportive housing, and services for people overcoming homelessness in Marin County. West County Community Services describes its work as providing access to social programs for at-risk and vulnerable populations in Sonoma County. Redwood Empire Food Bank says it distributes food through community sites and hunger-relief partners. Ruthless Kindness describes programs supporting at-risk animals and people in crisis, while Vital Immigrant Defense Advocacy says it provides immigration legal advocacy and community wellness programs.
Grantmaking
In 2025, the foundation reported 69 grants totaling $93,425. Grants ranged from $18 to $7,500, with a median of $620. Among the largest were $7,500 to The Living Room, $6,000 to Homeward Bound of Marin, $5,400 to Ceres Community Project, and $5,000 each to Christ Church United Methodist and Muttville Senior Dog Rescue.
Other 2025 grants included $4,000 each to Alameda Food Bank, NCLR, Roseland School District, SF Marin Food Bank, and Una Vida; $2,575 to West County Community Services; and $2,000 to Ceres Community Project. Additional recipients included Free to Be, KQED Inc., Ruthless Kindness, and Redwood Empire Food Bank, each receiving $2,000.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Marion Weinreb as President and CEO and Paula Pilecki as Secretary and CFO.
Weinreb Pilecki Segal Foundation is led by Marion Weinreb, President & CEO since 2025 (on filings since 2019); none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Marion Weinreb
President & CEO
President → President & CEO, 2025
On filings since 2019
No compensation reported
Paula Pilecki
Sec'y & CFO
Secretary → Sec'y & CFO, 2025
On filings since 2021
No compensation reported
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.
Frequently asked questions about Weinreb Pilecki Segal Foundation
How much does Weinreb Pilecki Segal Foundation give each year?
Weinreb Pilecki Segal Foundation gave $93K across 69 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $129K across 94 grants.
What is Weinreb Pilecki Segal Foundation's typical grant size?
Weinreb Pilecki Segal Foundation's median grant in 2025 was $620, and its average grant was $1,354, across 69 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Weinreb Pilecki Segal Foundation that year got $2K on average.
Where does Weinreb Pilecki Segal Foundation give grants?
Weinreb Pilecki Segal Foundation gives mostly in California: 95% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Santa Rosa, CA (22 grants), Sebastopol, CA (8 grants), Petaluma, CA (7 grants) and San Francisco, CA (5 grants).
Who are Weinreb Pilecki Segal Foundation's largest grantees?
Weinreb Pilecki Segal Foundation's largest 2025 grantees include The Living Room ($10,547 across 9 grants), Ceres Community Project ($9,633 across 6 grants) and Homeward Bound of Marin ($7,400 across 3 grants), according to its 2025 IRS Form 990-PF. Together they received 30% of its itemized 2025 grant dollars.
How large is Weinreb Pilecki Segal Foundation?
Weinreb Pilecki Segal Foundation reported $883K in total assets on its 2025 IRS Form 990-PF. It paid out $99K in qualifying distributions that year, against a required minimum of $49K (roughly 5% of its investment assets).
What does Weinreb Pilecki Segal Foundation fund?
The foundation’s filing describes grants to the Living Room Center, which provides housing and drop-in day services for homeless women and children; Ceres Community Project, which provides medically tailored meals for people facing serious illnesses; and Homeward Bound of Marin, which provides shelter, housing, and support for homeless families. See mission & focus areas ↑
How do I apply for a grant from Weinreb Pilecki Segal Foundation?
The filing lists no required format, no deadlines, and no restrictions or limitations on awards. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Weinreb Pilecki Segal Foundation's EIN?
Weinreb Pilecki Segal Foundation's EIN (Employer Identification Number) is 82-3298915. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 8, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 4, 2026)
- Added Form 990-PF for fiscal year 2019 (received by the IRS June 4, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 14, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS June 3, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 26, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS April 29, 2024)
Explore Open Grants
Browse active grant opportunities in Weinreb Pilecki Segal 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
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
Sonoma County Community Foundation
Santa Rosa, CA
Sonoma County Community Foundation funds nonprofits serving Sonoma County in areas including health and human services, arts and culture, education, the environment, basic needs, and disaster resilience. Its 2024 grants ranged from $5,200 to $1,877,650, with a median of about $20,000. It accepts applications for competitive grants from eligible 501(c)(3) organizations; some programs are invitation-only.
Assets
$231.0M
Grants
304
Total Given
$19.9M
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
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
Cite this profile
Grantable. (2026). Weinreb Pilecki Segal Foundation funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/weinreb-pilecki-segal-foundation-morg_b71a4806b7e24e66b7050b5f82c17bf0
BibTeX
@misc{grantable_823298915_2026,
author = {{Grantable}},
title = {{Weinreb Pilecki Segal Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/weinreb-pilecki-segal-foundation-morg_b71a4806b7e24e66b7050b5f82c17bf0},
note = {Accessed 2026-10-16. 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 Weinreb Pilecki Segal 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.
Weinreb Pilecki Segal Foundation down — hundreds of funders to go?