Data / Nonprofits / California / Tiburon
Nonprofits in Tiburon, CA: 102 registered with the IRS
102 nonprofits are registered with the IRS in Tiburon, CA, 90 of them 501(c)(3) charities; the 36 that report revenue took in $23.2 million. The largest by revenue: Tiburon Peninsula Club ($8.8 million), Corinthian Yacht Club of San Francisco ($3.6 million), Belvedere Tennis Club ($2.7 million). Most common causes: philanthropy, voluntarism and grantmaking foundations (21), arts, culture and humanities (7), education (6).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Tiburon Peninsula Club | 501(c)(7) | 1949 | $8.8 million | $14.1 million | 2024-12 | |
| Corinthian Yacht Club of San Francisco | 501(c)(7) | 1942 | $3.6 million | $5.3 million | 2024-12 | |
| Belvedere Tennis Club | 501(c)(7) | 1962 | $2.7 million | $3.1 million | 2024-12 | |
| The Dawn Redwoods Charitable Trust | 501(c)(3) | 1984 | $1.3 million | $5.2 million | 2025-12 | |
| The Belvedere Tiburon Child Care Center | 501(c)(3) | 1989 | $1.3 million | $5.1 million | 2025-06 | |
| Tiburon Peninsula Soccer League Inc | 501(c)(3) | 1982 | $753,847 | $527,508 | 2025-12 | |
| Belvedere-Tiburon Library Foundation | Education | 501(c)(3) | 1996 | $681,346 | $1.2 million | 2025-06 |
| Ginungagap Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $534,172 | $4.9 million | 2024-12 |
| Strawberry Seals Inc | Recreation and sports | 501(c)(3) | 2007 | $501,693 | $438,748 | 2025-08 |
| Health Hub SF | Medical research | 501(c)(3) | 2018 | $373,925 | $44,286 | 2025-12 |
| Belvedere-Tiburon Landmarks Society | Arts, culture and humanities | 501(c)(3) | 1962 | $367,386 | $5.1 million | 2025-12 |
| Location Five Inc | Recreation and sports | 501(c)(7) | 2016 | $303,305 | $183,904 | 2024-12 |
| Little League Baseball Inc | Recreation and sports | 501(c)(3) | 1967 | $195,693 | $210,153 | 2025-08 |
| Tiburon Thrift Shop | Human services | 501(c)(3) | 2009 | $187,683 | $70,808 | 2024-12 |
| Belvedere Tiburon Film Society | Arts, culture and humanities | 501(c)(3) | 2024 | $161,278 | $42,548 | 2025-12 |
| Our One Community Inc | Education | 501(c)(3) | 2014 | $153,439 | $273,449 | 2025-12 |
| Tiburon Peninsula Chamber of Commerce | 501(c)(6) | 1990 | $147,292 | $255,547 | 2023-12 | |
| Tiburon Yacht Club Inc | 501(c)(7) | 1967 | $111,558 | $408,113 | 2025-11 | |
| Intelligent Justice | Public and societal benefit | 501(c)(3) | 2023 | $110,050 | $228,899 | 2025-12 |
| Rotary Club of Tiburon Sunset Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $103,387 | $299,953 | 2026-06 |
| Pta California Congress of Parents Teachers & Students Inc | Education | 501(c)(3) | 1943 | $92,630 | $345,213 | 2025-06 |
| Tiburon Peninsula Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1969 | $88,634 | $591,152 | 2024-12 |
| Road To Freedom Scholarships | International, foreign affairs and national security | 501(c)(3) | 2013 | $86,470 | $158,291 | 2025-12 |
| Angel Island Association | 501(c)(3) | 1975 | $68,671 | $329,345 | 2024-12 | |
| Circulo de Amigas Foundation | Human services | 501(c)(3) | 2017 | $64,149 | $48,400 | 2025-12 |
| River Project | Environment | 501(c)(3) | 2004 | $59,378 | $45,490 | 2025-06 |
| Presidio Uniformed Services Foundation | Public and societal benefit | 501(c)(3) | 2024 | $51,724 | $52,529 | 2025-12 |
| Psychedelic Safety and Education Coalition | Mental health and crisis intervention | 501(c)(3) | 2025 | $50,300 | $28,247 | 2024-12 |
| Agency for Care | Health care | 501(c)(3) | 2026 | $45,699 | $2,700 | 2025-12 |
| High Performance Center Foundation | Human services | 501(c)(3) | 2022 | $38,725 | $18,952 | 2026-04 |
| Networth Television Productions Inc | Human services | 501(c)(3) | 2011 | $34,563 | $5,888 | 2024-12 |
| Ripples of Regeneration Inc | Environment | 501(c)(3) | 2024 | $29,692 | $4,785 | 2025-12 |
| Rotary Club of Tiburon-Belvedere Foundation | Youth development | 501(c)(3) | 1991 | $21,873 | $303,834 | 2025-06 |
| Rotary International | Community improvement and capacity building | 501(c)(4) | 1942 | $19,493 | $3,276 | 2025-06 |
| Reciprocating Smiles International | Health care | 501(c)(3) | 2024 | $18,100 | $135 | 2025-12 |
| Reed District Teachers Assocation | Employment | 501(c)(5) | 2025 | $13,566 | $16,590 | 2020-08 |
| 1 Percent Club | Human services | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| 5 Ryan Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $6 million | 2025-12 | |
| Allan H Rappaport Charitable Foundation Inc | 501(c)(3) | 1978 | $45,320 | 2024-12 | ||
| Alliance for Stroke Awareness and Prevention Project | Diseases, disorders and medical disciplines | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Angel Island State Lifeguard Associ Ation | Youth development | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Appalachia Housing Inc | Housing and shelter | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Bahais of Tiburon | 501(c)(3) | 1965 | ||||
| Barn Road Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $45.2 million | 2025-06 | |
| Bernard J & Mary T Johnson Family Foundation | Education | 501(c)(3) | 1999 | $5.6 million | 2026-06 | |
| Bipolar & Depression Outcomes Research Institute | Mental health and crisis intervention | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Boreholes and Broadband | Public and societal benefit | 501(c)(3) | 2025 | |||
| Brainchain Foundation Inc | Public and societal benefit | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Cadieux Martin Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1996 | $305,024 | 2025-12 | |
| Caluso | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Canobie Films Foundation Incorporated | Arts, culture and humanities | 501(c)(3) | 2005 | $208,350 | 2024-12 | |
| Carolyn and Peter Friedman Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $3.3 million | 2024-12 | |
| Chabad of Tiburon | Religion-related | 501(c)(3) | 2022 | |||
| Chaiken Family Foundation III | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $30.3 million | 2025-06 | |
| Charity Enablers Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $92,688 | 2025-12 | |
| Congregation Kol Shofar | 501(c)(3) | 1982 | ||||
| Evan and Tracy Segal Familyfoundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $539,380 | 2025-06 | |
| Fontana Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $93,455 | 2025-12 | |
| For the Bayou | Environment | 501(c)(3) | 2009 | $0 | $0 | 2023-12 |
| Foundation for Community Life | Housing and shelter | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Foundation for the Aid of the Environment Arts Culture and Youth | International, foreign affairs and national security | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Frances K and Charles D Field Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $13.4 million | 2025-12 | |
| Future Educational Films Inc | 501(c)(3) | 1983 | $0 | $0 | 2025-09 | |
| Geothermal Education Office | Environment | 501(c)(3) | 1991 | $0 | $0 | 2025-03 |
| Grey Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1996 | $3.3 million | 2025-12 | |
| Harmony Land Caretakers Inc | Environment | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Hilltop Group Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $5.4 million | 2025-12 | |
| Indigenous of Russia Foundation | Civil rights, social action and advocacy | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| International Meditation Center USA West | 501(c)(3) | 1997 | ||||
| Jinnie K Simonsen and John V Carbone Foundation | Medical research | 501(c)(3) | 2021 | $1.4 million | 2025-12 | |
| Jon & Darla Fisher Foundation Jon Fisher | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $115 | 2024-12 | |
| Lessons for Life | Arts, culture and humanities | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| MWSL Inc | Recreation and sports | 501(c)(7) | 2010 | $0 | $0 | 2025-12 |
| Maker4all | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Marin Cat Connection | Animal-related | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Master Mariners Benevolent Foundation | 501(c)(3) | 1993 | $0 | $0 | 2025-12 | |
| Multiple Hub Inc | Youth development | 501(c)(3) | 2025 | |||
| Paradise Harbor Boating Association Inc | 501(c)(3) | 1975 | $0 | $0 | 2025-11 | |
| Pass the Bricks Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Phillips-Morrison Institute of California | 501(c)(3) | 1986 | $628,232 | 2024-12 | ||
| Redwood Dugout Club | Recreation and sports | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Rotary Club of Tiburon Sunset | 501(c)(4) | 2022 | $0 | $0 | 2026-06 | |
| Rothkopf Family Charitable Foundation | 501(c)(3) | 1989 | $243,991 | 2025-12 | ||
| SMC Educational Foundation | Health care | 501(c)(3) | 2015 | $0 | $0 | 2025-05 |
| Sacca Foundation | Religion-related | 501(c)(3) | 1997 | |||
| Seidel Family Foundation for Better Vision Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $1,493 | 2024-12 | |
| Sewam Arts | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Shepherd of the Hills Lutheran Church | 501(c)(3) | 1988 | ||||
| Skywords Family Foundation Inc A New Corporation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $92 million | 2024-12 | |
| St Hilarys Church | 501(c)(3) | 1946 | ||||
| Tech4youth Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| The George Schwab and Leona Lauder Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $427,682 | 2025-12 | |
| Thinkglobal Arts Foundation | International, foreign affairs and national security | 501(c)(3) | 2007 | $18,719 | 2025-12 | |
| Tiburon Volunteer Fire Department | 501(c)(4) | 1978 | $0 | $0 | 2024-12 | |
| Transformation Global Retreat Center at Double Bluff | 501(c)(3) | 1990 | $1 | 2025-12 | ||
| USA Buddha-To-Be Society A New Jersey Nonprofit Corporation | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Unleashed Productions Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $83,141 | 2025-10 | |
| Uss St Lo Cve63 VC65 Association Inc | Public and societal benefit | 501(c)(7) | 2013 | $0 | $0 | 2024-12 |
| Walter Iberti Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $279,993 | 2025-12 | |
| We Sanders Foundation | Education | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| West To West | Community improvement and capacity building | 501(c)(3) | 2017 | $0 | $0 | 2022-12 |
| Wheelescape | 501(c)(3) | 2014 | $0 | $0 | 2026-03 |
By cause in Tiburon, CA
- Philanthropy, voluntarism and grantmaking foundations 21
- Arts, culture and humanities 7
- Education 6
- Environment 5
- Human services 5
- Public and societal benefit 5
- Recreation and sports 5
- International, foreign affairs and national security 3
- Health care 3
- Youth development 3
- Religion-related 3
Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.