The Quercus Foundation
The Quercus Foundation is a private foundation based in Clayton, California. It supports charitable organizations through grants; its 2025 filing lists grants to organizations in California, New York, and Washington, DC.
The Quercus Foundation at a glance
In short: The Quercus Foundation gave $73K across 11 grants in 2025 (avg $7K), top state California. 18% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $72,500
- +13.3% vs 2024
- Grants made (2025)
- 11
- +22.2% vs 2024
- Average grant
- $6,591
- -7.3% vs 2024
- Median grant
- $5,000
- Total assets
- $1,792,429
- +13.0% vs 2024
- New grantees (estimate)
- 18% first-time grantees (2 of 11, 2025; small sample)
- Primary geography
- California (45% 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 The Quercus Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 5433 Clayton Rd K164, Clayton, CA 94517
Phone: (925) 895-7603
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Quercus Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Catholic Charities of Diocese Oakla ($10K). Together the top 10 received $70K.
Grant Size Distribution
48 grants across all recorded years
The most common grant size was under $50K: 48 grants of 48 (100%).
Geographic Focus
Where this funder awards grants
In 2025, 45% of grant dollars went to recipients in California, 28% to recipients in New York, and 28% to recipients in Washington, DC.
Grant Distribution by State
Share of 2025 grant dollars across all 11 itemized grants.
Cities
Is The Quercus Foundation open to new grantees?
18%
first-time grantees, 2025
In 2025, 2 of 11 grantees (18%) were first-time recipients. With only 11 grantees, that is a small sample: one grantee more or less moves the share by about 9 points. First grants averaged $6K; repeat grants $7K. How we count
Medians: $6K first-time, $5K repeat.
- 73% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (−4%). Method
- In 2025 it paid out 92% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). 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 2020 to 2025, annual grant giving ranged from $64K (2024) to $75K (2022). In 2025 it made 11 grants totaling $73K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Catholic Charities of Diocese Oakla Oakland, CA | General Support | $10,000 |
| Alameda County Community Food Bank Oakland, CA | General Support | $10,000 |
| Food Bank of Contra Costa and Solan Concord, CA | General Support | $10,000 |
| World Central Kitchen Washington, DC | General Support | $10,000 |
| UNRWA USA National Committee Washington, DC | General Support | $10,000 |
| Doctors Without Borders USA New York, NY | General Support | $5,000 |
| Asylum Seeker Advocacy Project New York, NY | General Support | $5,000 |
| William J Brennan Jr Center For Jus New York, NY | General Support | $5,000 |
| International Rescue Committe New York, NY | General Support | $2,500 |
| Bay Area Crisis Nursery Concord, CA | General Support | $2,500 |
Ready to take the next step with The Quercus 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 | $1,792,429 | $70,433 | $75,961 | $72,500 | 11 | $75,061 | $70,433 | $81,638 |
| 2024 | $1,585,872 | $62,540 | $67,472 | $64,000 | 9 | $66,901 | $62,540 | $75,407 |
| 2023 | $1,427,531 | $39,484 | $69,988 | $67,500 | 9 | $69,725 | $39,484 | $66,689 |
| 2022 | $1,270,151 | $27,827 | $77,839 | $75,200 | 10 | $77,597 | $27,827 | $69,583 |
| 2021 | $1,667,509 | $33,944 | $68,459 | $65,000 | 9 | $67,249 | $33,944 | $77,584 |
| 2020 | $1,497,728 | $43,315 | $67,354 | $65,000 | 9 | — | $43,285 | $69,257 |
Under IRS private-foundation payout rules, The Quercus Foundation reported a distributable amount of $82K 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
No mission statement for the foundation is provided. Its 2025 grants included organizations working on hunger relief, humanitarian response, refugee support, legal and community support for asylum seekers, and care for children whose families are in crisis. For example, Alameda County Community Food Bank says it “passionately pursues a hunger-free community,” while World Central Kitchen says it provides meals in response to humanitarian, climate, and community crises. The Asylum Seeker Advocacy Project says it provides legal and community support to asylum seekers.
Grantmaking
In 2025, the foundation gave $72,500 through 11 grants. Grants ranged from $2,500 to $10,000, with a median of $5,000. Notable grants included $10,000 each to Catholic Charities of the Diocese of Oakland, Alameda County Community Food Bank, Food Bank of Contra Costa and Solano, World Central Kitchen, and UNRWA USA National Committee. It also gave $5,000 each to Doctors Without Borders USA, Asylum Seeker Advocacy Project, and the William J. Brennan Jr. Center for Justice.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Richard Aiello and Paula Aiello as trustees.
The Quercus Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Paula Aiello
Trustee
On filings since 2020
2 hrs/week
No compensation reported
Richard Aiello
Trustee
On filings since 2020
2 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "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 The Quercus Foundation
How much does The Quercus Foundation give each year?
The Quercus Foundation gave $73K across 11 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $64K across 9 grants.
What is The Quercus Foundation's typical grant size?
The Quercus Foundation's median grant in 2025 was $5,000, and its average grant was $6,591, across 11 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Quercus Foundation that year got $6K on average.
Where does The Quercus Foundation give grants?
The Quercus Foundation's top state is California, with 45% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were New York (28%) and District of Columbia (28%). The most frequent recipient cities were New York, NY (5 grants), Oakland, CA (2 grants), Washington, DC (2 grants) and Concord, CA (2 grants).
Does The Quercus Foundation give general operating support?
Yes: 100% of The Quercus Foundation's 2025 grants with a stated purpose (11 of 11) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Quercus Foundation's largest grantees?
The Quercus Foundation's largest 2025 grantees include Catholic Charities of Diocese Oakla ($10,000), Alameda County Community Food Bank ($10,000) and Food Bank of Contra Costa and Solan ($10,000), according to its 2025 IRS Form 990-PF. Together they received 41% of its itemized 2025 grant dollars.
How large is The Quercus Foundation?
The Quercus Foundation reported $1.8M in total assets on its 2025 IRS Form 990-PF. It paid out $75K in qualifying distributions that year, against a required minimum of $82K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does The Quercus Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants included organizations working on hunger relief, humanitarian response, refugee support, legal and community support for asylum seekers, and care for children whose families are in crisis. See mission & focus areas ↑
How do I apply for a grant from The Quercus Foundation?
The foundation states that it 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 The Quercus Foundation's EIN?
The Quercus Foundation's EIN (Employer Identification Number) is 30-6578339. IRS Form 990 filing data is available on this page for 2020–2025.
Does The Quercus 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
(7)
When this profile's IRS filing data changed on Grantable
- 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 May 16, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 15, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS November 5, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS April 3, 2026)
- IRS filings on file for fiscal years 2020–2025
Explore Open Grants
Browse active grant opportunities in The Quercus Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). The Quercus Foundation funder profile. GrantGraph. Retrieved October 15, 2026, from https://grantable.co/funders/the-quercus-foundation-morg_51d401c5753646218d7e6a9874bc01d1
BibTeX
@misc{grantable_306578339_2026,
author = {{Grantable}},
title = {{The Quercus Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-quercus-foundation-morg_51d401c5753646218d7e6a9874bc01d1},
note = {Accessed 2026-10-15. 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 The Quercus 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.
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