The Mary A. Crocker Trust is a private foundation established in 1889 in San Francisco, California, making it the oldest family foundation west of the Mississippi River. The Trust was created by the four surviving children of Charles and Mary Ann Crocker—Harriet, William, George, and Frederick—in honor of their mother's charitable legacy. The organization operates as a 501(c)(3) designated entity and continues to support charitable organizations with roots in the San Francisco community.
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.
Mission & Focus Areas
The Trust distributes approximately 5% of the market value of its investment assets annually to qualified tax-exempt organizations. Primary funding areas include:
- Education
- Environmental education
- Environment
- Social services
- Public policy
- Medicine
- Philanthropy, voluntarism, and grantmaking
- Human services
Grantmaking
All grant applications must be submitted online through the Trust's website. Applicants must create an account or log in to submit applications.
Grant Range
$1,000–$50,000
How to Apply
**
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Geographic Focus
Where this funder awards grants
The Trust primarily funds organizations in California, with some grants extending to Maine and Washington.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of 2024:
- Total assets: $9,516,528
- Total revenues: $474,428
- Total expenses: $702,465
- Number of employees: 1
As of 2023:
- Total assets: $9,742,334
- Total revenues: $563,702
- Total expenses: $752,540
- Total giving: $565,000
Giving rate: Approximately 5.8% of assets annually
| 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 |
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
244 grants across all recorded years
Open Grants
1 open opportunity from Mary a Crocker Trust
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include 500 Capp Street Foundation ($25,000), Earth Island Institute ($25,000), Napa Valley State Parks Assoc ($25,000).
| Recipient | Purpose | Amount |
|---|---|---|
| 500 CAPP STREET FOUNDATION SAN FRANCISCO, CA | EDUCATION | $25,000 |
| 826 VALENCIA SAN FRANCISCO, CA | EDUCATION | $20,000 |
| ABLE WORKS SAN FRANCISCO, CA | EDUCATION | $15,000 |
| ABUNDANT GRACE COASTSIDE WORKER HALF MOON BAY, CA | ENVIRONMENT | $10,000 |
| ARCHER SCHOOL LOS ANGELES, CA | ENVIRONMENT | $1,000 |
| ASSOC FOR ENVIRONMENTAL & OUTDOOR EDUCATION BERKELEY, CA | ENVIRONMENTAL EDUCATION | $10,000 |
| BAY AREA RIDGE TRAIL COUNCIL BERKELEY, CA | ENVIRONMENT | $12,000 |
| CENTER FOR LAND-BASED LEARNING WOODLAND, CA | ENVIRONMENTAL EDUCATION | $20,000 |
| CHRIST CHURCH DARK HARBOR ISLEBORO, ME | RELIGION | $500 |
| CHRONICLE SEASON OF SHARING FUND SAN FRANCISCO, CA | CIVIC PROJECTS | $10,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| DAVID WHITRIDGE | CHAIR | 1 | — |
| CHARLES CROCKER | TRUSTEE | 0.5 | — |
| CHARLES DE LIMUR | TRUSTEE | 0.5 | — |
| ABIGAIL H WILDER | TRUSTEE | 0.5 | — |
| TANIA W STEPANIAN | TRUSTEE | 0.5 | — |
Contact Information
- Website: www.mactrust.org
- Address: 57 Post Street, Suite 610, San Francisco, CA 94104-5023
- Telephone: 650-576-3384
- Tax-exempt status: April 1989
- EIN: 94-6051917
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What does Mary a Crocker Trust fund?
The Trust distributes approximately 5% of the market value of its investment assets annually to qualified tax-exempt organizations. Primary funding areas include: • Education • Environmental education • Environment • Social services • Public policy • Medicine • Philanthropy, voluntarism, and grantmaking • Human services
How do I apply for a grant from Mary a Crocker Trust?
**Grant Activity:** • The Trust made 52 grants in 2024 and 45 grants in 2023 • Typical grant range: $1,000–$50,000 • Median grant amount: $15,000 • Annual distribution: Approximately $600,000 **Recent Grantees (2024):** • 500 Capp Street Foundation ($25,000 for Education) • Earth Island Institute ($25,000 for Environmental Education) • Napa Valley State Parks Association ($25,000 for Environmental Education) • Food Runners **Application Process:** All grant applications must be submitted online…
Where does Mary a Crocker Trust make grants?
The Trust primarily funds organizations in California, with some grants extending to Maine and Washington.
What size grants does Mary a Crocker Trust award?
In 2024, Mary a Crocker Trust awarded 44 grants totaling $522K — an average of about $12K per grant, based on its IRS Form 990 filings.
How much is Mary a Crocker Trust required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Mary a Crocker Trust reported a distributable amount of $628K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
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.
Explore Open Grants
Browse active grant opportunities in Mary a Crocker Trust's focus areas in our free grants database
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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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