Chamberlin Family Philanthropy
Chamberlin Family Philanthropy is a private foundation based in Richmond, California, that makes grants to charitable organizations selected in advance. Its 2024 grants included organizations in California and Hawaii, as well as recipients in Georgia, New York, and Nevada.
Chamberlin Family Philanthropy at a glance
In short: Chamberlin Family Philanthropy gave $588K across 40 grants in 2024 (avg $15K), mostly in California. 69% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $588,000
- +241.7% vs 2023
- Grants made (2024)
- 40
- +37.9% vs 2023
- Average grant
- $14,700
- +147.7% vs 2023
- Median grant
- $5,000
- Total assets
- $3,036,257
- -10.0% vs 2023
- New grantees (estimate)
- 69% first-time grantees (24 of 35, 2024)
- Primary geography
- California (51% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Chamberlin Family Philanthropy
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 855 Marina Bay Pkwy Suite 100, Richmond, CA 94804
Phone: (925) 224-8269
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Chamberlin Family Philanthropy funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Honolulu Civil Beat ($100K). Together the top 10 received $463K.
Organizations only. It also paid 1 grant to individuals ($10,000), which are not listed by name.
Grant Size Distribution
267 grants across all recorded years
The most common grant size was under $50K: 251 grants of 267 (94%).
Geographic Focus
Where this funder awards grants
In 2024, 51% of grant dollars went to recipients in California and 46% to recipients in Hawaii. Georgia, New York, and Nevada each accounted for 1%.
Grant Distribution by State
Share of 2024 grant dollars across all 40 itemized grants.
States
Cities
Is Chamberlin Family Philanthropy open to new grantees?
69%
first-time grantees, 2024
In 2024, 24 of 35 grantees (69%) were first-time recipients. First grants averaged $18K; repeat grants $15K. How we count
Medians: $5K first-time, $5K repeat.
- 14% of 2024 grantees were also funded in 2023. Method
- Giving fell 98% from 2021 to 2024. Method
- In 2024 it paid out 399% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). 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 $172K (2023) to $32.6M (2021). In 2024 it made 40 grants totaling $588K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Honolulu Civil Beat Honolulu, HI | Program Support | $100,000 |
| Berkeley Repertory Theater Berkeley, CA | Program Support | $100,000 |
| TFA Hawaii Honolulu, HI | Program Support | $100,000 |
| Honolulu Museum of Art Honolulu, HI | Program Support | $50,000 |
| Food Bank of CC & Solano County Concord, CA | Program Support | $50,000 |
| PTA Hi Congressaikahi PTA Kailua, HI | Program Support | $13,000 |
| Kalaheo High School Foundation Kailua, HI | Program Support | $10,000 |
| East Bay Center for the Performing Arts Richmond, CA | Program Support | $10,000 |
| Ronald McDonald House Los Angeles, CA | Program Support | $10,000 |
| La Mision Children's Fund El Cajon, CA | Program Support | $10,000 |
Ready to take the next step with Chamberlin Family Philanthropy?
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 | $3,036,257 | $286,818 | $623,323 | $588,000 | 40 | $600,822 | $253,172 | $150,699 |
| 2023 | $3,372,762 | $40,209 | $212,017 | $172,100 | 29 | $187,132 | $59,362 | $190,065 |
| 2022 | $3,547,095 | $26,191 | $287,527 | $250,500 | 32 | $263,614 | $52,951 | $203,473 |
| 2021 | $3,805,906 | $611,005 | $32,748,585 | $32,633,643 | 29 | $32,726,834 | $590,695 | $309,873 |
| 2020 | $29,390,344 | $1,613,590 | $4,301,058 | $2,061,346 | 137 | — | $1,519,555 | $1,749,414 |
Under IRS private-foundation payout rules, Chamberlin Family Philanthropy reported a distributable amount of $151K 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 grants support organizations with varied missions. For example, Honolulu Civil Beat describes its work as investigative and watchdog journalism intended to inform Hawaii residents; Honolulu Museum of Art says it creates experiences through the study, preservation, presentation, and creation of art; and East Bay Center for the Performing Arts says it engages young people in the performing arts and in envisioning their communities.
Other 2024 recipients describe work in areas including literacy, migrant rights, animal rescue, and services for people facing homelessness. These are the recipients’ stated missions, not stated priorities of the foundation.
Grantmaking
In 2024, the foundation reported 40 grants totaling $588,000. Grants ranged from $1,500 to $100,000, with a median grant of $5,000. The largest grants included $100,000 each to Honolulu Civil Beat, Berkeley Repertory Theater, and TFA Hawaii; $50,000 each to Honolulu Museum of Art and Food Bank of Contra Costa and Solano Counties; and $10,000 to East Bay Center for the Performing Arts.
Other 2024 grants included $5,000 to Reading Partners, whose stated mission is to provide personalized literacy support and instruction, and $4,000 to Monthly Miracles, which says it provides housing assistance, transportation, and other services to people in need in the Tri-Valley.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Stephen W. Chamberlin and Susan C. Chamberlin as trustees.
Chamberlin Family Philanthropy's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.
Officers on the 2024 filing
Stephen W. Chamberlin
Trustee
On filings since 2020
0.5 hrs/week
No compensation reported
Susan C. Chamberlin
Trustee
On filings since 2020
0.5 hrs/week
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 Chamberlin Family Philanthropy
How much does Chamberlin Family Philanthropy give each year?
Chamberlin Family Philanthropy gave $588K across 40 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $172K across 29 grants.
What is Chamberlin Family Philanthropy's typical grant size?
Chamberlin Family Philanthropy's median grant in 2024 was $5,000, and its average grant was $14,700, across 40 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Chamberlin Family Philanthropy that year got $18K on average.
Where does Chamberlin Family Philanthropy give grants?
Chamberlin Family Philanthropy gives mostly in California: 51% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was Hawaii (46%). The most frequent recipient cities were Honolulu, HI (3 grants), Berkeley, CA (3 grants), San Pablo, CA (3 grants) and Oakland, CA (3 grants).
Does Chamberlin Family Philanthropy give general operating support?
Not in 2024: none of the 40 grants with a stated purpose on Chamberlin Family Philanthropy's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Program Support" (40 grants).
Who are Chamberlin Family Philanthropy's largest grantees?
Chamberlin Family Philanthropy's largest 2024 grantees include Honolulu Civil Beat ($100,000), Berkeley Repertory Theater ($100,000) and TFA Hawaii ($100,000), according to its 2024 IRS Form 990-PF. It also paid 1 grant to individuals ($10,000), which are not listed by name. Together they received 51% of its itemized 2024 grant dollars.
How large is Chamberlin Family Philanthropy?
Chamberlin Family Philanthropy reported $3.0M in total assets on its 2024 IRS Form 990-PF. It paid out $601K in qualifying distributions that year, against a required minimum of $151K (roughly 5% of its investment assets).
What does Chamberlin Family Philanthropy fund?
No mission statement for the foundation is provided. Its grants support organizations with varied missions. See mission & focus areas ↑
How do I apply for a grant from Chamberlin Family Philanthropy?
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Chamberlin Family Philanthropy's EIN?
Chamberlin Family Philanthropy's EIN (Employer Identification Number) is 20-5794764. IRS Form 990 filing data is available on this page for 2020–2024.
Does Chamberlin Family Philanthropy 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
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Cite this profile
Grantable. (2026). Chamberlin Family Philanthropy funder profile. GrantGraph. Retrieved October 6, 2026, from https://grantable.co/funders/chamberlin-family-philanthropy-morg_8ba569d6e0d94c16befa6816f31a0946
BibTeX
@misc{grantable_205794764_2026,
author = {{Grantable}},
title = {{Chamberlin Family Philanthropy funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/chamberlin-family-philanthropy-morg_8ba569d6e0d94c16befa6816f31a0946},
note = {Accessed 2026-10-06. 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 Chamberlin Family Philanthropy'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.
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