Funding search · EIN 943170349 · Nicasio, CA
The Endurance Fund
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 121
- grants reported
- $6.9M
- total given
- 2022–2024
- filing years
- $2,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
parktrainingvastwatershedwoodacrecomprehensivesexedcouncildinner
Full IRS filings ↗How this is builtReport an error
Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Marin Community Foundation1 grant · $3.3M
- Vanguard Charitable Program8 grants · $2.9M
- San Geronimo Valley Community Cente20 grants · $344,631
- Environmental Action Committee3 grants · $70,000
- Pacific Forest Trust2 grants · $25,500
- Health-Connectedorg2 grants · $20,000
- Branson School3 grants · $15,000
- Marin Country Day School3 grants · $15,000
- Marin Agricultural Land Trust2 grants · $12,000
- Lagunitas School Foundation - Leap1 grant · $10,000
Giving over time
Grant history
The 100 largest of 121 grants.
- $3.3M
Marin Community Foundation · Novato, CA · 2024
The Reliance Fund
- $2.6M
Vanguard Charitable Program · Warwick, RI · 2024
General Support
- $100,000
San Geronimo Valley Community Cente · San Geronimo, CA · 2022
Woodacre Park
- $60,000
Vanguard Charitable Program · Warwick, RI · 2023
Facilitation of grant making
- $50,000
Vanguard Charitable Program · Southeastern, PA · 2024
The Granite Fund
- $50,000
Vanguard Charitable Program · Warwick, RI · 2024
The Meili Fund
- $50,000
Environmental Action Committee · Point Reyes Station, CA · 2023
Western Watershed
- $50,000
San Geronimo Valley Community Cente · San Geronimo, CA · 2023
General Support
- $50,000
Vanguard Charitable Program · Warwick, RI · 2022
General Support
- $30,000
Vanguard Charitable Program · Warwick, RI · 2022
The Meili Fund
- $30,000
Vanguard Charitable Program · Southeastern, PA · 2022
The Granite Fund
- $26,091
San Geronimo Valley Community Cente · San Geronimo, CA · 2024
Council Dinner
- $25,000
Vanguard Charitable Program · Warwick, RI · 2024
Facilitation of grant making
- $25,000
Pacific Forest Trust · San Francisco, CA · 2022
Implementing Vital Watershed Restoration and Conservation in California
- $23,697
San Geronimo Valley Community Cente · San Geronimo, CA · 2022
Council Dinner
- $20,400
San Geronimo Valley Community Cente · San Geronimo, CA · 2022
Job Training
- $18,900
San Geronimo Valley Community Cente · San Geronimo, CA · 2024
Job Training
- $17,400
San Geronimo Valley Community Cente · San Geronimo, CA · 2023
Job Training
- $16,100
San Geronimo Valley Community Cente · San Geronimo, CA · 2024
Job Training
- $12,363
San Geronimo Valley Community Cente · San Geronimo, CA · 2023
Vast
- $10,000
Health-Connectedorg · East Palo Alto, CA · 2024
#comprehensivesexed
- $10,000
Kingswood-Oxford School · West Harest Hartford, CT · 2024
Annual Fund
- $10,000
Lagunitas School Foundation - Leap · San Geronimo, CA · 2023
General Support
- $10,000
San Geronimo Valley Community Cente · San Geronimo, CA · 2023
Brush clearing on the new park
- $10,000
Environmental Action Committee · Point Reyes Station, CA · 2022
Birding Festival
- $10,000
Environmental Action Committee · Point Reyes Station, CA · 2022
General Support
- $10,000
Health-Connectedorg · East Palo Alto, CA · 2022
#comprehensivesexed
- $9,563
San Geronimo Valley Community Cente · San Geronimo, CA · 2022
Vast
- $8,177
San Geronimo Valley Community Cente · San Geronimo, CA · 2023
Park Parcel
- $7,100
San Geronimo Valley Community Cente · San Geronimo, CA · 2024
Vast
- $7,000
Marin Agricultural Land Trust · Point Reyes Station, CA · 2022
General Support - Stewardship
- $6,225
San Geronimo Valley Community Cente · San Geronimo, CA · 2024
Vast
- $5,988
San Geronimo Valley Community Cente · San Geronimo, CA · 2022
Vast
- $5,000
Branson School · Ross, CA · 2024
Annual Fund
- $5,000
Leap Lagunitas School Savers · San Geronimo, CA · 2024
General Support
- $5,000
Marin Agricultural Land Trust · Point Reyes Station, CA · 2024
General Support - Stewardship
- $5,000
Marin Country Day School · Corte Madera, CA · 2024
Annual Fund
- $5,000
Pomona College · Claremont, CA · 2024
Annual Fund
- $5,000
San Geronimo Valley Emergency Fund · San Geronimo, CA · 2024
General Support
- $5,000
Branson School · Ross, CA · 2023
Annual Fund
- $5,000
Marin Country Day School · Corte Madera, CA · 2023
Annual Fund
- $5,000
Pamona College · Claremont, CA · 2023
General Support
- $5,000
Trustees for Alaska · Anchorage, AK · 2023
General Support
- $5,000
Alaska Conservation Foundation · Anchorage, AK · 2022
Mining Conference
- $5,000
Branson School · Ross, CA · 2022
Annual Fund
- $5,000
Friends of the Library Fairfax · San Rafael, CA · 2022
Fairfax Library Garden Project
- $5,000
Marin Country Day School · Corte Madera, CA · 2022
Annual Fund
- $5,000
Pomona College · Claremont, CA · 2022
Annual Fund
- $4,500
San Geronimo Valley Lions · Lagunitas, CA · 2023
General Support
- $4,000
San Geronimo Valley Community Cente · San Geronimo, CA · 2024
Endowment Fund
- $3,000
San Geronimo Valley Community Cente · San Geronimo, CA · 2022
Youth Job Training
- $2,736
San Geronimo Valley Community Cente · San Geronimo, CA · 2023
General Support
- $2,500
Cystic Fibrosis Foundation · Bethesda, MD · 2023
General Support
- $2,500
Osher Marin Jewish Community Center · San Rafael, CA · 2022
General Support
- $2,500
San Geronimo Valley Emergency Fund · San Geronimo, CA · 2022
General Support
- $2,391
San Geronimo Valley Community Cente · San Geronimo, CA · 2022
Woodacre Park
- $2,000
Kqed · San Francisco, CA · 2024
General Suppport
- $2,000
Osher Marin Jewish Community Center · San Rafael, CA · 2024
General Support
- $2,000
Kqed · San Francisco, CA · 2023
General Support
- $2,000
Osher Marin Jewish Community Center · San Rafael, CA · 2023
General Support
- $2,000
Kqed · San Francisco, CA · 2022
General Support
- $1,550
St Helena Endowment Trust · St Helena, CA · 2024
General Support
- $1,500
Dominican University of California · San Rafael, CA · 2024
Athletics Program
- $1,500
St Helena Endowment Trust · St Helena, CA · 2024
General Support
- $1,070
Vivalon · San Rafael, CA · 2024
General Support
- $1,039
Friends of the Library Fairfax · San Rafael, CA · 2024
General Support
- $1,000
Earthjustice · San Francisco, CA · 2024
General Support
- $1,000
Mountain Play Association · San Rafael, CA · 2024
General Support
- $1,000
Redwood Empire Food Bank · Santa Rosa, CA · 2024
General Support
- $1,000
Sfmarin Food Bank · San Francisco, CA · 2024
General Support
- $1,000
West Marin Senior Services · Point Reyes Station, CA · 2024
General Support
- $1,000
Aclu Foundation · New York, NY · 2023
General Support
- $1,000
Friends of the Library Fairfax · San Rafael, CA · 2023
General Support
- $1,000
Redwood Empire Food Bank · Santa Rosa, CA · 2023
General Support
- $1,000
Sfmarin Food Bank · San Francisco, CA · 2023
General Support
- $1,000
Vivalon · San Rafael, CA · 2023
General Support
- $1,000
West Marin Senior Services · Point Reyes Station, CA · 2023
General Support
- $1,000
Aclu Foundation · New York, NY · 2022
General Support
- $1,000
Earthjustice · Oakland, CA · 2022
General Support
- $1,000
Friends of the Library Fairfax · San Rafael, CA · 2022
Pavers for Garden
- $1,000
Interlochen Center for the Arts · Interlochen, MI · 2022
General Support
- $1,000
Kidnuz · Alamo, CA · 2022
General Support
- $1,000
Naral Pro Choice Foundation · Washington, DC · 2022
General Support
- $1,000
Redwood Empire Food Bank · Santa Rosa, CA · 2022
General Support
- $1,000
Sfmarin Food Bank · San Francisco, CA · 2022
General Support
- $1,000
St Vincent De Paul Society · San Rafael, CA · 2022
General Support
- $1,000
West Marin Senior Services · Point Reyes Station, CA · 2022
General Support
- $500
Marin Symphony · San Rafael, CA · 2024
General Support
- $500
Mother Jones · San Francisco, CA · 2024
General Support
- $500
National Parks Conservation Associa · Washington, DC · 2024
General Support
- $500
Nicasio Volunteer Fire Dept · Nicasio, CA · 2024
General Support
- $500
Pacific Forest Trust · San Francisco, CA · 2024
General Support & Watershed Project
- $500
Ross Valley Players · Ross, CA · 2024
General Support
- $500
San Geronimo Valley Community Cente · San Geronimo, CA · 2024
Woodacre Park
- $500
Naral Pro Choice Foundation · Washington, DC · 2023
General Support
- $500
National Parks Conservation Associa · Washington, DC · 2023
General Support
- $500
Oregon Shakespeare Festival · Ashland, OR · 2023
General Support
- $500
San Geronimo Valley Lions · Lagunitas, CA · 2023
General Support
- $500
Mountain Play Association · San Rafael, CA · 2022
General Support
- $500
Ross Valley Players · Ross, CA · 2022
General Support
Who else funds this kind of work
Same state
- Silicon Valley Community Foundation10,471 grants · $10.10B
- Tides Foundation9,402 grants · $1.86B
- UCLA Foundation276 grants · $1.75B
Similar purposes
- Communities Foundation of Texas8,896 grants · $653.7M
- Kinder Foundation299 grants · $233.7M
- The Lozier Foundation900 grants · $99.4M
Similar grant size
- Fidelity Foundation7,750 grants · $457.4M
- Shell USA Company Foundation24,663 grants · $80.1M
- Enterprise Holdings Foundation30,880 grants · $360.4M
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

