Mary a Crocker Trust
The Mary A Crocker Trust is a private foundation based in San Francisco, California. Established in 1889 by the four children of Charles and Mary Ann Crocker in honor of their mother, it supports charitable organizations, with a focus on education, the environment, and environmental education in the Bay Area.
Mary a Crocker Trust at a glance
In short: Mary a Crocker Trust gave $522K across 44 grants in 2024 (avg $12K), mostly in California. 44% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $522,000
- -7.6% vs 2023
- Grants made (2024)
- 44
- -12.0% vs 2023
- Average grant
- $11,864
- +5.0% vs 2023
- Median grant
- $11,000
- Total assets
- $9,516,528
- -2.3% vs 2023
- New grantees (estimate)
- 44% first-time grantees (19 of 43, 2024)
- Primary geography
- California (95% 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 Mary a Crocker Trust
- Accepts unsolicited proposals
- Yes
- How to Apply
-
The Trust accepts unsolicited requests. Its filing says applications are accepted at all times and directs applicants to use the Trust’s standard form with complete background and budget information. The website describes an online process beginning with a one-page letter of interest and organizational budget; applicants selected to proceed are invited to submit a detailed proposal, and a site visit is scheduled. The Trust does not make grants to individuals. Capital campaigns, annual giving programs, scholarship programs, and equipment purchases receive lower priority. Funded organizations are asked to report on progress at six and twelve months.
- Review Cycle
- The website listed March 5, 2026, for its May 19 meeting and August 27, 2026, for its November 5 meeting. Both deadlines have passed. Letters of interest for those cycles were to be submitted through the online portal.
- Deadline
- The website listed March 5, 2026, for its May 19 meeting and August 27, 2026, for its November 5 meeting.
- Contact
Application contact: Mary A Crocker Trust
Mailing address: 57 Post St Suite 610, San Francisco, CA 94104
Phone: (650) 576-3384
Website: https://mactrust.org
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Open Grants
1 open opportunity from Mary a Crocker Trust
Who Mary a Crocker Trust funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was 500 Capp Street Foundation ($25K). Together the top 10 received $230K.
Grant Size Distribution
251 grants across all recorded years
The most common grant size was under $50K: 250 grants of 251 (100%).
Geographic Focus
Where this funder awards grants
The Trust accepts inquiries from charitable organizations based in Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma counties. Its website gives preference to organizations founded and based in the Bay Area. In 2024, 95% of grant dollars went to recipients in California, 4% to Massachusetts, and 1% to Maine; Wisconsin and Washington each accounted for 0% as reported.
Grant Distribution by State
Share of 2024 grant dollars across all 44 itemized grants.
States
Cities
Is Mary a Crocker Trust open to new grantees?
44%
first-time grantees, 2024
In 2024, 19 of 43 grantees (44%) were first-time recipients. First grants averaged $16K; repeat grants $9K. How we count
Medians: $15K first-time, $5K repeat.
- 40% of 2024 grantees were also funded in 2023. Method
- Giving held roughly steady from 2021 to 2024 (−8%). Method
- In 2024 it paid out 104% 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 $496K (2020) to $566K (2021). In 2024 it made 44 grants totaling $522K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| 500 Capp Street Foundation San Francisco, CA | Education | $25,000 |
| Earth Island Institute Berkeley, CA | Environmental Education | $25,000 |
| Napa Valley State Parks Assoc St Helena, CA | Environmental Education | $25,000 |
| New School San Francisco San Francisco, CA | Education | $25,000 |
| Oasis for Girls San Francisco, CA | Education | $25,000 |
| St Anthony Foundation San Francisco, CA | Civic Projects | $25,000 |
| 826 Valencia San Francisco, CA | Education | $20,000 |
| Center for Land-Based Learning Woodland, CA | Environmental Education | $20,000 |
| Jack London Park Partners Glen Ellen, CA | Environmental Education | $20,000 |
| Marin Agricultural Land Trust Pt Reyes Station, CA | Environment | $20,000 |
Ready to take the next step with Mary a Crocker Trust?
Financial History
Multi-year comparison from IRS filings
The Trust stated in its 2024 filing that it distributes an amount equal to 5% of the market value of its investment assets, then resulting in approximately $600,000 distributed annually to qualified tax-exempt organizations.
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $9,516,528 | $474,428 | $702,465 | $522,000 | 44 | $656,436 | $437,644 | $628,450 |
| 2023 | $9,742,334 | $563,702 | $752,540 | $565,000 | 50 | $697,055 | $537,204 | $606,134 |
| 2022 | $9,931,172 | $584,423 | $681,350 | $502,000 | 50 | $637,515 | $542,952 | $650,639 |
| 2021 | $10,028,099 | $1,503,849 | $728,466 | $565,500 | 50 | $688,188 | $545,872 | $687,980 |
| 2020 | $9,261,189 | $816,584 | $671,937 | $495,500 | 57 | — | $781,809 | $586,323 |
Under IRS private-foundation payout rules, Mary a Crocker Trust reported a distributable amount of $628K 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
The Trust’s website describes three areas of focus:
- Education: Programs in and out of school that encourage academic excellence and lifelong learning. The Trust considers pre-collegiate programs and is interested in innovative approaches to educating young people in the Bay Area.
- Environment: Locally based, practical educational and advocacy projects that could positively affect the Bay Area environment. Areas of particular interest include waste management, recycling, water quality, land use management, and sustainable agriculture and forestry.
- Environmental education: Work that helps Bay Area children and adults learn about the area’s natural features and the importance of protecting them.
Examples of grantees’ work include environmental initiatives supported by Earth Island Institute, which describes its mission as confronting threats to life on Earth; farmland protection by Marin Agricultural Land Trust; and education in farming and natural-resource stewardship by the Center for Land-Based Learning. Education grantees include 826 Valencia, which supports students ages 6 to 18 with writing skills, and Science from Scientists, whose stated vision is to inspire students and improve STEM competency.
Grantmaking
In 2024, the Trust reported 44 grants totaling $522,000. Grants ranged from $500 to $25,000, with a median of $11,000. Among the largest awards were $25,000 each to 500 Capp Street Foundation for education, Earth Island Institute for environmental education, Napa Valley State Parks Association for environmental education, New School San Francisco for education, Oasis for Girls for education, and St Anthony Foundation for civic projects. Other examples include $20,000 to Marin Agricultural Land Trust for environment, Center for Land-Based Learning for environmental education, and 826 Valencia for education.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists David Whitridge as chair and Charles Crocker, Charles De Limur, Abigail H Wilder, and Tania W Stepanian as trustees. The Trust’s website identifies Abby Wilder as executive director.
Mary a Crocker Trust is led by David Whitridge, Chair on every filing since 2020; none of the 5 officers listed in 2024 report compensation.
Officers on the 2024 filing
David Whitridge
Chair
On filings since 2020
1 hr/week
No compensation reported
Abigail H. Wilder
Trustee
On filings since 2020
0.5 hrs/week
No compensation reported
Charles Crocker
Trustee
On filings since 2020
0.5 hrs/week
No compensation reported
Charles De Limur
Trustee
On filings since 2020
0.5 hrs/week
No compensation reported
Tania W. Stepanian
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 Mary a Crocker Trust
How much does Mary a Crocker Trust give each year?
Mary a Crocker Trust gave $522K across 44 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $565K across 50 grants.
What is Mary a Crocker Trust's typical grant size?
Mary a Crocker Trust's median grant in 2024 was $11,000, and its average grant was $11,864, across 44 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Mary a Crocker Trust that year got $16K on average.
Where does Mary a Crocker Trust give grants?
Mary a Crocker Trust gives mostly in California: 95% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were San Francisco, CA (12 grants), Berkeley, CA (5 grants), St Helena, CA (4 grants) and Isleboro, ME (3 grants).
Does Mary a Crocker Trust give general operating support?
Not in 2024: none of the 44 grants with a stated purpose on Mary a Crocker Trust's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Education" (11 grants), "Environment" (11 grants) and "Environmental Education" (10 grants).
Who are Mary a Crocker Trust's largest grantees?
Mary a Crocker Trust's largest 2024 grantees include 500 Capp Street Foundation ($25,000), Earth Island Institute ($25,000) and Napa Valley State Parks Assoc ($25,000), according to its 2024 IRS Form 990-PF. Together they received 14% of its itemized 2024 grant dollars.
How large is Mary a Crocker Trust?
Mary a Crocker Trust reported $9.5M in total assets on its 2024 IRS Form 990-PF. It paid out $656K in qualifying distributions that year, against a required minimum of $628K (roughly 5% of its investment assets).
What does Mary a Crocker Trust fund?
The Trust’s website describes three areas of focus: See mission & focus areas ↑
How do I apply for a grant from Mary a Crocker Trust?
The Trust accepts unsolicited requests. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Mary a Crocker Trust's EIN?
Mary a Crocker Trust's EIN (Employer Identification Number) is 94-6051917. IRS Form 990 filing data is available on this page for 2020–2024.
Does Mary a Crocker Trust accept unsolicited proposals?
Yes, 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
Live grants for the work Mary a Crocker Trust funds
Education Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Mary a Crocker Trust's focus areas in our free grants database
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Cite this profile
Grantable. (2026). Mary a Crocker Trust funder profile. GrantGraph. Retrieved October 18, 2026, from https://grantable.co/funders/mary-a-crocker-trust-morg_279b3adb75614b81a53987b7193bf371
BibTeX
@misc{grantable_946051917_2026,
author = {{Grantable}},
title = {{Mary a Crocker Trust funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/mary-a-crocker-trust-morg_279b3adb75614b81a53987b7193bf371},
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 Mary a Crocker Trust'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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