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.
Key facts about Mary a Crocker Trust
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.
- EIN
- 94-6051917
- Latest 990 filing
- Form 990-PF, 2024
- Annual giving (2024)
- $522,000
- Grants made (2024)
- 44
- Average grant
- $11,864
- Median grant
- $11,000
- New grantees (estimate)
- 44% first-time grantees (19 of 43, 2024)
- Total assets
- $9,516,528
- Primary geography
- California (95% of itemized 2024 grant dollars)
- How to apply
- The Trust accepts inquiries from charitable organizations with 501(c)(3) registration or a certified fiscal sponsor. Full details ↓
Data from IRS Form 990-PF, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$9.5M
-2.3% YoY
Annual Giving
$522K
-7.6% YoY
Grant Count
44
-12.0% YoY
Avg Grant Size
$12K
+5.0% YoY
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.
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.
Mission & Focus Areas
The Trust supports pre-collegiate education programs, both in and out of schools, that encourage academic excellence and lifelong learning. It is interested in innovative approaches to educating young people in the Bay Area.
Its environmental grantmaking includes locally based educational and advocacy projects with potential to benefit the Bay Area environment. Areas of particular interest are waste management, recycling, water quality, land use management, and sustainable agriculture and forestry. The Trust also accepts inquiries for environmental education that helps Bay Area children and adults learn about the region’s natural environment and its protection.
Recent recipients illustrate these areas. Earth Island Institute received a grant for environmental education; the organization describes its work as supporting urgent environmental initiatives. Marin Agricultural Land Trust, which received a grant, says its mission is to permanently protect Marin’s agricultural land for agricultural use. Center for Land-Based Learning describes its mission as educating future farmers, agricultural leaders, and natural-resource stewards. In education, 826 Valencia says it supports students ages 6 to 18 with writing skills and helps teachers engage students in writing.
Grantmaking
In 2024, the Trust awarded 44 grants totaling $522,000. Grants ranged from $500 to $25,000, with a median of $11,000. Its largest listed grants included $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 notable awards included $20,000 to 826 Valencia for education and $20,000 each to Center for Land-Based Learning and Sustainable Marin for environmental education.
Review Cycle
** For 2026, the letter-of-interest deadlines are March 5 at 5 p.m. for the May 19 meeting and August 27 at 5 p.m. for the November 5 meeting. Letters of interest must be submitted through the online portal.
Open Grants
1 open opportunity from Mary a Crocker Trust
Ready to take the next step with Mary a Crocker Trust?
Geographic Focus
Where this funder awards grants
The Trust’s primary emphasis is the Bay Area. Eligible organizations must be based in Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, or Sonoma County. In 2024, 95% of grant dollars went to California recipients, 4% to Massachusetts, and 1% to Maine; the shares for Wisconsin and Washington were each reported as 0%.
Grant Distribution by State
Share of all 44 itemized 2024 grant dollars.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
251 grants across all recorded years
Giving History
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 |
Financial History
Multi-year comparison from IRS filings
| Filing year | Assets | Revenue | Expenses | Grants | Grant count |
|---|---|---|---|---|---|
| 2024 | $9,516,528 | $474,428 | $702,465 | $522,000 | 44 |
| 2023 | $9,742,334 | $563,702 | $752,540 | $565,000 | 50 |
| 2022 | $9,931,172 | $584,423 | $681,350 | $502,000 | 50 |
The Trust states that it distributes an amount equal to 5% of the market value of its investment assets, currently resulting in approximately $600,000 annually to qualified tax-exempt organizations.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $9,516,528 | $9,742,334 | $9,931,172 |
| Revenue | $474,428 | $563,702 | $584,423 |
| Expenses | $702,465 | $752,540 | $681,350 |
| Qualifying Distributions | $656,436 | $697,055 | $637,515 |
| Net Investment Income | $437,644 | $537,204 | $542,952 |
| Distributable Amount | $628,450 | $606,134 | $650,639 |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
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.
Contact
Application contact: Mary A Crocker Trust
Mailing address: 57 Post St Suite 610, San Francisco, CA 94104
Phone: (415) 982-0138
Website: https://mactrust.org
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 supports pre-collegiate education programs, both in and out of schools, that encourage academic excellence and lifelong learning. It is interested in innovative approaches to educating young people in the Bay Area. Its environmental grantmaking includes locally based educational and advocacy projects with potential to benefit the Bay Area environment. Areas of particular interest are waste management, recycling, water quality, land use management, and sustainable agriculture and fores…
How do I apply for a grant from Mary a Crocker Trust?
The Trust accepts inquiries from charitable organizations with 501(c)(3) registration or a certified fiscal sponsor. 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.
Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
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