Cadieux Martin Foundation
The Cadieux Martin Foundation is a private foundation based in Tiburon, California. In 2025, it reported making 15 grants totaling $59,000 to charitable organizations and institutions.
Cadieux Martin Foundation at a glance
In short: Cadieux Martin Foundation gave $59K across 15 grants in 2025 (avg $4K), top state California. 13% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $59,000
- +107.0% vs 2024
- Grants made (2025)
- 15
- +0.0% vs 2024
- Average grant
- $3,933
- +107.0% vs 2024
- Median grant
- $3,000
- Total assets
- $305,024
- -4.1% vs 2024
- New grantees (estimate)
- 13% first-time grantees (2 of 15, 2025; small sample)
- Primary geography
- California (42% 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 Cadieux Martin 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: 5 Upper Cecilia Way, Tiburon, CA 94920
Phone: (865) 296-1246
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Cadieux Martin Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was SF Marin Food Bank ($12K). Together the top 10 received $50K.
Grant Size Distribution
80 grants across all recorded years
The most common grant size was under $50K: 80 grants of 80 (100%).
Geographic Focus
Where this funder awards grants
The 2025 grant dollars were distributed among recipients in several states. California accounted for 42%, Illinois 17%, and Maryland, Georgia, and Louisiana 8% each. Listed recipients also included organizations in New York, Florida, and Alabama.
Grant Distribution by State
Share of 2025 grant dollars across all 15 itemized grants.
States
Cities
Is Cadieux Martin Foundation open to new grantees?
13%
first-time grantees, 2025
In 2025, 2 of 15 grantees (13%) were first-time recipients. With only 15 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. First grants averaged $2K; repeat grants $4K. How we count
Medians: $2K first-time, $5K repeat.
- 80% of 2025 grantees were also funded in 2024. Method
- Giving grew 39% from 2022 to 2025. Method
- In 2024 it paid out 119% of its IRS minimum distribution (the 5% rule). 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 $14K (2020) to $59K (2025). In 2025 it made 15 grants totaling $59K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| SF Marin Food Bank San Francisco, CA | For Unrestricted Use in Tax Exempt Purpose | $12,000 |
| Doctors Without Borders Hagerstown, MD | For Unrestricted Use in Tax Exempt Purpose | $5,000 |
| Habitat for Humanity International Americus, GA | For Unrestricted Use in Tax Exempt Purpose | $5,000 |
| Illinois Institute of Technology Chicago, IL | For Unrestricted Use in Tax Exempt Purpose | $5,000 |
| Tulane School of Medicine New Orleans, LA | For Unrestricted Use in Tax Exempt Purpose | $5,000 |
| UCSF Foundation San Fransisco, CA | For Unrestricted Use in Tax Exempt Purpose | $5,000 |
| University of Chicago Booth Chicago, IL | For Unrestricted Use in Tax Exempt Purpose | $5,000 |
| Aim High San Francisco, CA | For Unrestricted Use in Tax Exempt Purpose | $3,000 |
| Uc Berkeley Foundation Berkeley, CA | For Unrestricted Use in Tax Exempt Purpose | $3,000 |
| ACLU Foundation New York, NY | For Unrestricted Use in Tax Exempt Purpose | $2,000 |
Ready to take the next step with Cadieux Martin 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 | $305,024 | $50,382 | $63,411 | $59,000 | 15 | $59,000 | $50,382 | — |
| 2024 | $318,053 | $20,162 | $34,307 | $28,500 | 15 | $28,500 | $14,355 | $23,882 |
| 2023 | $332,198 | $6,557 | $50,425 | $45,000 | 16 | $45,000 | $6,174 | $23,045 |
| 2022 | $376,066 | $-2,345 | $49,759 | $42,500 | 18 | $42,500 | $3,717 | $26,366 |
| 2021 | $425,392 | $86,965 | $40,176 | $32,500 | 16 | $32,500 | $78,908 | $27,732 |
| 2020 | $378,603 | $10,282 | $20,875 | $14,000 | 12 | — | $3,258 | $27,105 |
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 support for organizations working in education, housing, disability services, health care, food assistance, and racial justice, among other areas. These descriptions reflect the grantees’ stated missions, not a stated mission of the foundation. For example, Illinois Institute of Technology describes its mission as providing distinctive and relevant education alongside scientific, technological, and professional knowledge creation and innovation. Habitat for Humanity International says it brings people together to build homes, communities, and hope. AIM HIGH describes serving adults with disabilities through training and support, while Neighborhood Health Clinic says it delivers medical and dental care to low-income, uninsured Collier County residents.
Grantmaking
In filing year 2025, the foundation reported 15 grants totaling $59,000. Grant amounts ranged from $1,000 to $12,000, with a median of $3,000. The largest listed grant was $12,000 to SF Marin Food Bank. Other notable grants included $5,000 each to Doctors Without Borders, Habitat for Humanity International, Illinois Institute of Technology, Tulane School of Medicine, UCSF Foundation, and University of Chicago Booth. Listed grants were for unrestricted use in the recipient’s tax-exempt purpose.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Mary Martin Cadieux as trustee.
Cadieux Martin Foundation is led by Mary Martin Cadieux, Trustee on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Mary Martin Cadieux
Trustee
On filings since 2020
1 hr/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 Cadieux Martin Foundation
How much does Cadieux Martin Foundation give each year?
Cadieux Martin Foundation gave $59K across 15 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $29K across 15 grants.
What is Cadieux Martin Foundation's typical grant size?
Cadieux Martin Foundation's median grant in 2025 was $3,000, and its average grant was $3,933, across 15 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Cadieux Martin Foundation that year got $2K on average.
Where does Cadieux Martin Foundation give grants?
Cadieux Martin Foundation's top state is California, with 42% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Illinois (17%) and Maryland (8%). The most frequent recipient cities were San Francisco, CA (2 grants), Chicago, IL (2 grants) and New York, NY (2 grants).
Does Cadieux Martin Foundation give general operating support?
Yes: 100% of Cadieux Martin Foundation's 2025 grants with a stated purpose (15 of 15) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Cadieux Martin Foundation's largest grantees?
Cadieux Martin Foundation's largest 2025 grantees include SF Marin Food Bank ($12,000), Doctors Without Borders ($5,000) and Habitat for Humanity International ($5,000), according to its 2025 IRS Form 990-PF. Together they received 37% of its itemized 2025 grant dollars.
How large is Cadieux Martin Foundation?
Cadieux Martin Foundation reported $305K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $50K.
What does Cadieux Martin Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants included support for organizations working in education, housing, disability services, health care, food assistance, and racial justice, among other areas. See mission & focus areas ↑
How do I apply for a grant from Cadieux Martin 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 Cadieux Martin Foundation's EIN?
Cadieux Martin Foundation's EIN (Employer Identification Number) is 68-6121768. IRS Form 990 filing data is available on this page for 2020–2025.
Does Cadieux Martin 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
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS June 29, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 12, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 11, 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 August 22, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 21, 2026)
Live grants for the work Cadieux Martin Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
- Nixa Affiliate Grantmaking Program Up to US $10,000 · Due October 19, 2026
- Community and School Grants $28,000 total pool; 10-15 grants expected · Due October 19, 2026
- Mary Pinola/Crescenta Valley Chamber Education Fund $500 - $5,000 for ongoing programs; up to $15,000 for Strategic Initiative Grants · Due October 19, 2026
Explore Open Grants
Browse active grant opportunities in Cadieux Martin Foundation's focus areas in our free grants database
Similar Funders
Funders that support many of the same organizations
Agilent Technologies Foundation
Santa Clara, CA
Agilent Technologies Foundation funds environmental work on safe water, air quality, food supplies and climate change, as well as STEM education and economic opportunity for underrepresented communities. Its 2025 grants had a median of $25,000 and ranged from $5,000 to $2,166,500; most grant dollars went to Delaware, with some support elsewhere in the U.S. and internationally. It funds only preselected organizations and does not accept unsolicited requests.
Assets
$596K
Grants
20
Total Given
$5.0M
Aetna Foundation Inc
Hartford, CT
Aetna Foundation supported health and wellness, access to health care, and related community needs; its 2021 grants ranged from $5,000 to $1 million, with a median of $40,000, and went to organizations across multiple states, especially in D.C. and Connecticut. Its 2021 filing was marked final, so it appears to have ended or be winding down grantmaking; that filing said there were no restrictions on who could apply and pointed applicants to its website for application materials.
Assets
—
Grants
65
Total Given
$7.2M
FTHREE Foundation
Carrollton, GA
FTHREE FOUNDATION’s 2024 grants supported varied work in journalism, civic engagement, democracy, education, and social justice, with no stated mission or defined priorities. It made 102 grants ranging from $500 to $100,000, with a median of $5,000; the largest shares went to organizations in California and Washington, DC. The filing says it does not restrict giving to preselected organizations and directs applicants to its website for guidelines and application details, but does not explicitly state whether it accepts unsolicited requests.
Assets
$30.4M
Grants
102
Total Given
$1.9M
Jewish Community Federation of San Francisco the Peninsula Marin & Sonoma
San Francisco, CA
The Federation funds Jewish life and identity, antisemitism response, crisis relief, human services, and justice and inclusion, with work in the Bay Area, Israel, and beyond. Its 2025 grants ranged from $5,050 to $2,405,915, with a median of $22,750. It frequently issues requests for proposals and welcomes inquiries about new Bay Area programs; no current organization grant opportunities were listed.
Assets
$2.0B
Grants
1,032
Total Given
$94.5M
Jewish Community Foundation of Los Angeles
Los Angeles, CA
The Jewish Community Foundation of Los Angeles supports human services, health, education, Jewish life, arts and culture, Israel-related work, and nonprofit capacity and capital projects, with a focus on Los Angeles and also giving in Israel and beyond. Its 2024 itemized grants had a median of $25,000, though amounts varied widely. General Community grants are by invitation only and do not accept unsolicited applications; current procedures should be verified.
Assets
$1.2B
Grants
1,063
Total Given
$142.2M
Charles Stewart Mott Foundation
Flint, MI
The Charles Stewart Mott Foundation funds nonprofits working in civil society, youth engagement, environmental sustainability, and Flint-area community development, in Flint and communities around the world. Its 2024 grants had a median of $55,000, though awards ranged widely; it does not accept unsolicited funding requests and supports preselected organizations.
Assets
$3.8B
Grants
834
Total Given
$166.4M
More similar funders
More Funders in California
Cite this profile
Grantable. (2026). Cadieux Martin Foundation funder profile. GrantGraph. Retrieved October 18, 2026, from https://grantable.co/funders/cadieux-martin-foundation-morg_3cc7ad0ad3394aa58025681866ddca37
BibTeX
@misc{grantable_686121768_2026,
author = {{Grantable}},
title = {{Cadieux Martin Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/cadieux-martin-foundation-morg_3cc7ad0ad3394aa58025681866ddca37},
note = {Accessed 2026-10-18. 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 Cadieux Martin 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.
Cadieux Martin Foundation down — hundreds of funders to go?