Data / Nonprofits / California / Mill Valley
Nonprofits in Mill Valley, CA: 293 registered with the IRS
293 nonprofits are registered with the IRS in Mill Valley, CA, 264 of them 501(c)(3) charities; the 113 that report revenue took in $172.5 million. The largest by revenue: Imagine Worldwide ($41.5 million), The Redwoods-A Community of Seniors ($32.1 million), Mount Tamalpais School ($16.9 million). Most common causes: education (37), arts, culture and humanities (30), philanthropy, voluntarism and grantmaking foundations (26).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Imagine Worldwide | Community improvement and capacity building | 501(c)(3) | 2017 | $41.5 million | $31.7 million | 2024-12 |
| The Redwoods-A Community of Seniors | 501(c)(3) | 1974 | $32.1 million | $59.4 million | 2025-09 | |
| Mount Tamalpais School | 501(c)(3) | 1978 | $16.9 million | $38.9 million | 2025-06 | |
| Marin Horizon School Incorporated | Education | 501(c)(3) | 1977 | $16.8 million | $49.5 million | 2025-06 |
| B612 Foundation | Science and technology | 501(c)(3) | 2003 | $5.6 million | $6.3 million | 2024-12 |
| North Bridge Academy | Education | 501(c)(3) | 2015 | $4.5 million | $3.5 million | 2025-06 |
| Barrel Bag | Environment | 501(c)(3) | 2018 | $3.7 million | $0 | 2024-12 |
| Scott Valley Swimming and Tennis Club | 501(c)(7) | 1984 | $3.3 million | $4.9 million | 2024-12 | |
| North American Sustainable Refrigeration Council | Environment | 501(c)(3) | 2015 | $3.2 million | $1.7 million | 2025-12 |
| Mill Valley Schools Community Foundation | Education | 501(c)(3) | 1983 | $3 million | $12.9 million | 2025-06 |
| Sweetwater Music Hall Inc | Arts, culture and humanities | 501(c)(3) | 2021 | $2.9 million | $1 million | 2024-12 |
| Tamalpais - Strawberry Preschools Inc | Education | 501(c)(3) | 1968 | $2.6 million | $1.2 million | 2025-06 |
| She-Can Global Inc | Education | 501(c)(3) | 2011 | $2.4 million | $1.5 million | 2025-06 |
| Marin Theatre Company | Arts, culture and humanities | 501(c)(3) | 1969 | $2.3 million | $1.3 million | 2025-06 |
| Marin Audubon Society Incorporated | Environment | 501(c)(3) | 1963 | $2.2 million | $9.5 million | 2025-06 |
| Mill Valley Soccer Club Inc | 501(c)(3) | 1978 | $1.9 million | $2.6 million | 2026-03 | |
| Mill Valley Tennis Club | 501(c)(7) | 1930 | $1.8 million | $2.3 million | 2024-12 | |
| Womens Earth and Climate Action Network | Science and technology | 501(c)(3) | 2013 | $1.8 million | $3.9 million | 2024-12 |
| Horizon 2045 Foundation | International, foreign affairs and national security | 501(c)(3) | 2023 | $1.7 million | $886,703 | 2025-12 |
| Mill Valley Livearts | 501(c)(3) | 1981 | $1.5 million | $8,313 | 2024-03 | |
| The Outdoor Art Club | 501(c)(3) | 1991 | $1 million | $3.1 million | 2025-06 | |
| Caring Child Center Inc | Human services | 501(c)(3) | 1984 | $1 million | $594,047 | 2025-08 |
| Tam High Foundation | Education | 501(c)(3) | 1996 | $1 million | $2.6 million | 2025-07 |
| Nature Friends Inc | 501(c)(7) | 1958 | $886,987 | $2.6 million | 2025-12 | |
| Roots & Branches Conservancy | Arts, culture and humanities | 501(c)(3) | 2014 | $677,292 | $74,123 | 2024-12 |
| Saveabunny Inc | Animal-related | 501(c)(3) | 2009 | $657,082 | $710,979 | 2024-12 |
| Felidae Conservation Fund | Animal-related | 501(c)(3) | 2006 | $642,938 | $923,061 | 2025-06 |
| Southern Marin Lacrosse Club | Recreation and sports | 501(c)(3) | 2016 | $642,168 | $751,091 | 2024-12 |
| Code Redd | Environment | 501(c)(3) | 2014 | $641,636 | $119,514 | 2023-12 |
| GBX Global | Community improvement and capacity building | 501(c)(6) | 2018 | $560,814 | $561,656 | 2025-12 |
| Friends of Vallarta Botanical Gardens Ac | Environment | 501(c)(3) | 2007 | $531,125 | $263,017 | 2025-12 |
| Mill Valley Chamber of Commerce | 501(c)(6) | 1955 | $496,722 | $77,968 | 2025-12 | |
| Siempre Unidos | International, foreign affairs and national security | 501(c)(3) | 2004 | $474,600 | $187,144 | 2025-12 |
| Mill Valley Public Library Foundation | 501(c)(3) | 1983 | $446,018 | $6.9 million | 2025-12 | |
| City Learners Inc | Education | 501(c)(3) | 2014 | $443,598 | $22,290 | 2025-07 |
| O Hanlon Center for the Arts | Arts, culture and humanities | 501(c)(3) | 1970 | $428,280 | $3.6 million | 2024-12 |
| Little League Baseball Inc | 501(c)(3) | 1967 | $400,141 | $345,672 | 2024-12 | |
| Marin County Swim Association | Recreation and sports | 501(c)(3) | 2022 | $380,895 | $0 | 2025-12 |
| Homestead Valley Community Association | Community improvement and capacity building | 501(c)(3) | 1949 | $369,628 | $380,862 | 2025-12 |
| Track Two An Institute for Citizen Diplomacy | International, foreign affairs and national security | 501(c)(3) | 1994 | $364,615 | $171,068 | 2025-12 |
| Friends of Transitions Guatemala | Human services | 501(c)(3) | 2019 | $349,250 | $135,121 | 2025-12 |
| Wildfiresorg Inc | Environment | 501(c)(3) | 2024 | $339,551 | $123,567 | 2025-12 |
| Sea Dreamers | Environment | 501(c)(3) | 2025 | $311,803 | $307,375 | 2025-12 |
| Tribe Rising India | Youth development | 501(c)(3) | 2019 | $309,366 | $372,139 | 2025-12 |
| Let It Ripple Inc | Arts, culture and humanities | 501(c)(3) | 2014 | $308,197 | $96,895 | 2025-12 |
| Reclaim the Records | Arts, culture and humanities | 501(c)(3) | 2024 | $306,612 | $223,666 | 2024-12 |
| Shikabania Corporation | Education | 501(c)(3) | 2016 | $281,050 | $842,968 | 2025-12 |
| Sarcoma Alliance | Mental health and crisis intervention | 501(c)(3) | 2000 | $279,048 | $361,542 | 2024-12 |
| Ai and You Org | Public and societal benefit | 501(c)(3) | 2021 | $270,196 | $110,989 | 2025-12 |
| Music Heals International | Arts, culture and humanities | 501(c)(3) | 2015 | $245,634 | $128,729 | 2024-12 |
| Dipsea Race Committee Inc | 501(c)(4) | 1989 | $243,626 | $361,856 | 2025-12 | |
| Harbor Point Charitable Foundation | Recreation and sports | 501(c)(3) | 2004 | $242,135 | $2.5 million | 2024-12 |
| Open Floor International | Arts, culture and humanities | 501(c)(3) | 2020 | $223,438 | $64,372 | 2024-12 |
| The Mill Valley Fall Arts Festival | Arts, culture and humanities | 501(c)(3) | 2014 | $220,167 | $130,772 | 2024-12 |
| Tamalpais High School Boosters Club | Youth development | 501(c)(3) | 1997 | $216,449 | $99,862 | 2025-07 |
| British Benevolent Society of California Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1948 | $173,088 | $2 million | 2024-12 |
| Mill Valley Nursery School | 501(c)(3) | 1966 | $168,448 | $164,404 | 2024-12 | |
| Friends of Double Bay Sanctuary | Animal-related | 501(c)(3) | 2021 | $165,842 | $65,156 | 2025-12 |
| Ambassadors of Hope and Opportunity Project | Human services | 501(c)(3) | 2006 | $163,174 | $340,521 | 2025-12 |
| Oac San Francisco | Religion-related | 501(c)(3) | 2024 | $159,853 | $184 | 2025-12 |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $156,768 | $116,682 | 2025-06 | |
| Friends of Mill Valley Childrens Garden | Education | 501(c)(3) | 2019 | $155,140 | $67,488 | 2025-06 |
| Southern Marin Mothers Organizational | Youth development | 501(c)(3) | 1999 | $152,509 | $276,967 | 2026-01 |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $134,000 | $81,820 | 2025-06 | |
| Friends of the Mill Valley Library | 501(c)(3) | 1968 | $132,752 | $296,987 | 2025-06 | |
| Advancement Exchange for Independent Schools | Education | 501(c)(6) | 2024 | $131,423 | $1 | 2025-06 |
| Agents of Humanity in the Fine Arts | Arts, culture and humanities | 501(c)(3) | 2025 | $130,950 | $2.8 million | 2025-12 |
| Golden Gate Wine Society | Mutual and membership benefit | 501(c)(7) | 2022 | $128,386 | $16,366 | 2025-12 |
| Addiction Is A Dis-Ease Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2019 | $122,391 | $3 | 2025-12 |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $113,768 | $114,979 | 2025-06 | |
| Mill Valley Masonic Hall Association | 501(c)(2) | 2012 | $113,147 | $832,494 | 2024-12 | |
| Liss Fain Dance Inc | Arts, culture and humanities | 501(c)(3) | 1988 | $110,036 | $726 | 2025-06 |
| Mill Valley Chamber Music Society | Arts, culture and humanities | 501(c)(3) | 1980 | $108,623 | $200,991 | 2025-06 |
| Mill Valley Scout Hall Inc | 501(c)(3) | 1969 | $93,033 | $847,366 | 2025-12 | |
| Homestead Valley Land Trust | Environment | 501(c)(3) | 1977 | $92,407 | $46,707 | 2025-06 |
| Tennessee Valley Stables Foundation | Recreation and sports | 501(c)(3) | 1994 | $92,149 | $464,218 | 2025-12 |
| Shakespearience | Education | 501(c)(3) | 2014 | $91,666 | $35,011 | 2024-08 |
| Pop Warner Little Scholars Inc | 501(c)(3) | 1990 | $90,355 | $105,552 | 2024-12 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $90,305 | $223,389 | 2025-06 | |
| Mill Valley Philharmonic | Arts, culture and humanities | 501(c)(3) | 2003 | $87,828 | $93,737 | 2025-06 |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $86,367 | $93,757 | 2025-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $84,866 | $203,403 | 2026-06 | |
| Northern California Community for Emotionally Focused Therapy | Mental health and crisis intervention | 501(c)(3) | 2014 | $83,232 | $169,178 | 2025-12 |
| Dipsea Race Foundation | Recreation and sports | 501(c)(3) | 2000 | $82,675 | $879,632 | 2025-12 |
| First Base Foundation | Recreation and sports | 501(c)(3) | 2005 | $80,885 | $39,492 | 2025-12 |
| Community Venture Partners Inc | Human services | 501(c)(3) | 2013 | $74,733 | $137,333 | 2025-12 |
| California Grizzlies | Recreation and sports | 501(c)(3) | 2008 | $67,451 | $3,879 | 2025-02 |
| Lifeplan Institute | Youth development | 501(c)(3) | 2017 | $65,310 | $457,188 | 2024-12 |
| National Charity League Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $63,697 | $72,588 | 2026-05 |
| Short Moments | Education | 501(c)(3) | 2008 | $63,169 | $17,745 | 2025-12 |
| Mt Tam Community Land Trust | Housing and shelter | 501(c)(3) | 2022 | $58,089 | $168,508 | 2025-12 |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $56,118 | $48,645 | 2025-06 | |
| Next Steps Liaison Project | Youth development | 501(c)(3) | 2018 | $55,549 | $16,126 | 2025-12 |
| Choral Singers of Marin | 501(c)(3) | 1992 | $52,370 | $77,249 | 2025-08 | |
| Cromar Charitable Supporting Organization | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $52,033 | $567,138 | 2024-12 |
| Bay Area Advertising Relief Committee | 501(c)(3) | 1996 | $46,834 | $245,256 | 2025-12 | |
| Free & Accepted Masons of California | 501(c)(10) | 1940 | $46,627 | $935,534 | 2024-12 | |
| Rotary International | 501(c)(4) | 1942 | $44,199 | $21,374 | 2025-06 | |
| California Association of Family and Consumer Sciences | 501(c)(3) | 1981 | $38,426 | $458,983 | 2025-05 | |
| California Association of Family and Consumer Sciences | 501(c)(3) | 1981 | $38,296 | $332,458 | 2025-05 | |
| Mill Valley Historical Society | 501(c)(3) | 1978 | $33,614 | $290,460 | 2025-12 | |
| Heathers House | Human services | 501(c)(3) | 2006 | $32,920 | $23,959 | 2024-12 |
| Persephone Rising Foundation | Arts, culture and humanities | 501(c)(3) | 2009 | $23,976 | $696,442 | 2024-12 |
| Corticaldevelopment Inc | Medical research | 501(c)(3) | 2022 | $22,469 | $39,914 | 2026-01 |
| Community Housing Foundation Mill Valley | Housing and shelter | 501(c)(3) | 2022 | $18,653 | $109,612 | 2025-12 |
| Artmosphere Nonprofit Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $15,120 | $1 | 2025-05 |
| Mill Valley Rotary Service Fund Inc | Education | 501(c)(3) | 1994 | $12,419 | $6,689 | 2025-06 |
| Inventure Institute Inc | Environment | 501(c)(3) | 2023 | $11,897 | $7,324 | 2025-12 |
| San Francisco Bay Knarr Association | Recreation and sports | 501(c)(7) | 2016 | $8,919 | $23,556 | 2025-12 |
| Wonderbag Org | International, foreign affairs and national security | 501(c)(3) | 2018 | $1,330 | $6,959 | 2025-12 |
| Northern California Labor and Employment Relations Association | 501(c)(3) | 2020 | $892 | $4,777 | 2025-12 | |
| Princeton Review Foundation Inc | 501(c)(3) | 1987 | $366 | $77,495 | 2025-12 | |
| Worldwidewomen Foundation | Human services | 501(c)(3) | 2016 | $47 | $11,083 | 2025-12 |
| Acritical Mass Women Celebrating Eucharist | Religion-related | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| All Peoples Church | Religion-related | 501(c)(3) | 2017 | |||
| Almonte District Improvement Club Inc | Community improvement and capacity building | 501(c)(3) | 2000 | $0 | $0 | 2024-12 |
| American Air Tour Association | Education | 501(c)(3) | 2025 | |||
| American Sports Institute | 501(c)(3) | 1986 | $0 | $0 | 2025-12 | |
| Ariowitsch Family Foundation Inc | 501(c)(3) | 1968 | $404,016 | 2025-12 | ||
| Axios Network | Religion-related | 501(c)(3) | 2026 | |||
| Baraka Africa Inc | Human services | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Barbary Coast Belgian Sheepdog Club | 501(c)(4) | 1990 | $0 | $0 | 2025-12 | |
| Bay Area Barns and Trails | Human services | 501(c)(3) | 2014 | $276,950 | 2025-12 | |
| Bernstein Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $571,198 | 2024-12 | |
| Big Mesa Healing Sanctuary | Religion-related | 501(c)(3) | 2024 | |||
| Blaire and Benno Dorer Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $3.8 million | 2025-12 | |
| Blits Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $525,971 | 2025-06 | |
| Bluestar Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $2.2 million | 2025-12 | |
| Boyz Against Breast Cancer | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $0 | $0 | 2025-10 |
| Buddhist Temple of Marin | 501(c)(3) | 1967 | ||||
| California Alpine Club Foundation | Environment | 501(c)(3) | 2004 | $0 | $0 | 2023-03 |
| California El Camino Real Assoc of Occupational Health Nurses Inc | Community improvement and capacity building | 501(c)(6) | 2005 | $0 | $0 | 2025-12 |
| California Institute for Stress and Resilience | Medical research | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| California Teachers Association | 501(c)(5) | 1976 | $0 | $0 | 2025-12 | |
| California Theatre Conservatory | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Canvas & Courage | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Cascade Canyon Healing Center | Human services | 501(c)(3) | 2019 | $0 | $8,767 | 2025-12 |
| Catalysts Institute for Local Control | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Catalysts for Local Control | Housing and shelter | 501(c)(4) | 2022 | $0 | $0 | 2025-12 |
| Catholic Kolping Society Endowment Fund | Education | 501(c)(3) | 1946 | $0 | $0 | 2025-06 |
| Center for Richer Living | 501(c)(3) | 1955 | ||||
| Chabad of Mill Valley | Religion-related | 501(c)(3) | 2008 | |||
| Chamber Music Sundaes Inc | 501(c)(3) | 1981 | $0 | $0 | 2025-06 | |
| Chamberlain Project Foundation | Civil rights, social action and advocacy | 501(c)(3) | 2017 | $0 | $0 | 2023-12 |
| Chessathon | Recreation and sports | 501(c)(3) | 2026 | |||
| Chi Omega Fraternity | 501(c)(7) | 1940 | $0 | $0 | 2025-04 | |
| Children of the Forest | Human services | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Chuck Petersen Memorial Scholarship | Education | 501(c)(3) | 2016 | $136,608 | 2025-12 | |
| Church of Unrofet Inc | 501(c)(3) | 1980 | ||||
| Church of the Loving Servant | 501(c)(3) | 1981 | ||||
| Collaborative Council of the Redwood Empire | Community improvement and capacity building | 501(c)(6) | 2004 | $0 | $0 | 2024-12 |
| Collaborative for Excellence Inoccupational Medicine | Health care | 501(c)(3) | 2007 | $0 | $0 | 2024-12 |
| Cornerstone Fellowship Napa | Religion-related | 501(c)(3) | 2007 | |||
| Dance and Movement Workshop | Education | 501(c)(3) | 2015 | $0 | $0 | 2025-10 |
| David Maciver Loman Foundation Inc | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Designing Accessible Communities | Civil rights, social action and advocacy | 501(c)(3) | 2007 | $0 | $0 | 2025-06 |
| Direct Primary Care Foundation | Health care | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Dmarlou Foundation | 501(c)(3) | 1994 | $4.8 million | 2025-12 | ||
| Eapa Inc | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Early Education Marin | Education | 501(c)(3) | 2025 | |||
| Educate 4 Good | Education | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Emerald-Sky Foundation | Education | 501(c)(3) | 1997 | $1.3 million | 2025-12 | |
| Free Mind Inc | Mental health and crisis intervention | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Friends and Family of Nisei Veterans | Arts, culture and humanities | 501(c)(3) | 2006 | $0 | $0 | 2026-04 |
| Friends of Mill Valley Golf Course | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Friends of Tam Valley | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Gather Academy | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2026-01 |
| Gianturco Family Foundation | Education | 501(c)(3) | 2008 | $519,193 | 2024-12 | |
| Gil Schwartz Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $7,738 | 2025-12 | |
| Girls Force | Youth development | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Golden Orphans Inc | Human services | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Good Birth Network | 501(c)(3) | 2016 | $0 | $0 | 2025-12 | |
| Greenwood School | 501(c)(3) | 1994 | $0 | $0 | 2026-06 | |
| Gwenjosh Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $3.2 million | 2025-12 | |
| Hanbit Dongsan Church | 501(c)(3) | 1994 | ||||
| Health Education & Videotape Inc | Medical research | 501(c)(3) | 2000 | $0 | $0 | 2025-05 |
| Healthy Men | Human services | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Healy School Inc | Education | 501(c)(3) | 2023 | $0 | $0 | 2026-06 |
| Hello Mini-Memoirs | Education | 501(c)(3) | 2024 | $3,200 | 2025-12 | |
| Her Economic Rights and Autonomy Hera-Usa | Community improvement and capacity building | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Highlands Association | Community improvement and capacity building | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Innate Alignment Chiropractic | Health care | 501(c)(3) | 2026 | |||
| Islamic Center of Mill Valley | 501(c)(3) | 1992 | ||||
| Italian Catholic Federation of California Inc | 501(c)(8) | 1972 | $0 | $0 | 2025-12 | |
| Jones-Smith Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1996 | $1.5 million | 2025-12 | |
| K H WM and Andrea Manson Krueger Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $963,673 | 2024-12 | |
| Kalmanovitz Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $9.3 million | 2024-12 | |
| Katz Family Foundation | 501(c)(3) | 1987 | $1.9 million | 2025-11 | ||
| Kids N Moms Foundation | 501(c)(3) | 1994 | $50,195 | 2024-12 | ||
| Kind Power Inc | Human services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Kite Hill Neighborhood Association | Recreation and sports | 501(c)(7) | 2011 | $0 | $0 | 2025-12 |
| Langara Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $4,871 | 2024-11 | |
| Lasallian Education Fund | 501(c)(3) | 1946 | ||||
| Leaps for Peace | Education | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Living Light Foundation Trust | 501(c)(3) | 1990 | $506,814 | 2024-12 | ||
| Luminous Mind Sangha | Religion-related | 501(c)(3) | 2022 | |||
| MV Gate Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 | |
| Marin Conservatory Dance Company | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Marin County Beekeepers Association | Education | 501(c)(3) | 2023 | $0 | $0 | 2026-06 |
| Marin County Veterinary Medical Association | 501(c)(6) | 1971 | $0 | $0 | 2025-12 | |
| Marin Meeting of the Religious Society of Friends | Religion-related | 501(c)(3) | 1998 | |||
| Marin Pet Care Association | Community improvement and capacity building | 501(c)(6) | 2010 | $0 | $0 | 2025-12 |
| Marin Scuba Club | Recreation and sports | 501(c)(7) | 2026 | $0 | $0 | 2025-12 |
| Marin United Football Club Inc | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Marinveiw Community Association | Housing and shelter | 501(c)(4) | 2011 | $0 | $0 | 2025-12 |
| Medicine of Cycling Inc | Health care | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Meditation Without Borders Inc | Education | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Mighty Bambinis School Inc | Education | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Mill Valley Arts and Culture Fund | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Mill Valley Association of Volunteer Firefighters | Public safety, disaster preparedness and relief | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Mill Valley French Congregation of Jehovahs Witnesses | Religion-related | 501(c)(3) | 1998 | |||
| Mill Valley Peace Officers Foundation | Public safety, disaster preparedness and relief | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Mill Valley Seniors for Peace | Public and societal benefit | 501(c)(3) | 2026 | |||
| Mill Valley Streamkeepers | Environment | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Miller Avenue Church Abc | 501(c)(3) | 1955 | ||||
| Mizel Foundation Bruce D Dugstad | 501(c)(3) | 1981 | $2.1 million | 2025-12 | ||
| Mouthful Project | Youth development | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Muir Woods Park Community Association | Community improvement and capacity building | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Mycomarin | Environment | 501(c)(3) | 2020 | $0 | $0 | 2025-08 |
| National Chinese-American Caucus of Methodist Churches | Religion-related | 501(c)(3) | 2023 | |||
| New Langton Arts | Arts, culture and humanities | 501(c)(3) | 1976 | |||
| North Coast Development Fund | International, foreign affairs and national security | 501(c)(3) | 2026 | |||
| Noteworthy Marin | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Our Lady of Mt Carmel Church | 501(c)(3) | 1946 | ||||
| Parish of the Church of Our Saviour in Mill Valley | 501(c)(3) | 1976 | ||||
| Peace Lutheran Church Missouri Synod | 501(c)(3) | 1941 | ||||
| Pharmacology Policy Institute | Diseases, disorders and medical disciplines | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Philanthropy By Design | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Play Theatre Company | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2024-06 |
| Playwright Power | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Point Foundation | Arts, culture and humanities | 501(c)(3) | 1969 | $0 | $0 | 2024-12 |
| Potentia Institute | Education | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| Project Awareness and Special Sports Inc | Recreation and sports | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Project248 Inc | Crime and legal-related | 501(c)(3) | 2019 | $0 | $0 | 2023-12 |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $0 | $0 | 2026-06 | |
| Pta California Congress of Parents Teachers and Students Inc | 501(c)(3) | 1943 | $0 | $0 | 2026-06 | |
| Recover Or Die | Mental health and crisis intervention | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Reflective Practice Formation and Supervision in Ministry | Religion-related | 501(c)(3) | 2008 | $0 | $0 | 2026-06 |
| Road Runners Club of America | 501(c)(3) | 1976 | $0 | $0 | 2025-12 | |
| Robert W & Marilyn P Long Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $353,456 | 2024-12 | |
| Rock Creek Institute | 501(c)(3) | 1979 | $0 | $0 | 2023-12 | |
| Rosenbluth Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $1.9 million | 2025-12 | |
| Sage Educators Foundation | Education | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Saltie Museum | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Sarosi-Kanter Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $716,886 | 2024-12 | |
| Scott Family Fund | 501(c)(3) | 1992 | $5.3 million | 2024-12 | ||
| Scott Valley Homeowners Association | 501(c)(4) | 1987 | $0 | $0 | 2025-12 | |
| Sherman Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $429,707 | 2025-06 | |
| Shinemaker Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $3.1 million | 2025-12 | |
| Silver Buffalo | Arts, culture and humanities | 501(c)(3) | 2026 | $0 | $0 | 2021-12 |
| Sonic Bridges Inc | Mental health and crisis intervention | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Sozo Church | Religion-related | 501(c)(3) | 2018 | |||
| Spectrum Ai Nnova Co | Medical research | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Spirit of Max Foundation | Environment | 501(c)(3) | 2022 | $3.5 million | 2025-12 | |
| Spiritual Healing Center | Religion-related | 501(c)(3) | 2004 | |||
| St Barts Scholars | Arts, culture and humanities | 501(c)(3) | 2024 | |||
| Stanley R Wolfe Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1996 | $1.2 million | 2024-12 | |
| Stooping Club Foundation | Human services | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Strabismus Research Foundation | Medical research | 501(c)(3) | 2014 | $917,147 | 2024-12 | |
| Strawberry Recreation and Parks Foundation | Recreation and sports | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Strawberry Tract Mutual Water Company Inc | 501(c)(12) | 1994 | $0 | $0 | 2026-05 | |
| Stride Foundation Inc | Recreation and sports | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Subversive Music Foundation | Arts, culture and humanities | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Sufi Order | 501(c)(3) | 1993 | ||||
| TBC Foundation | Youth development | 501(c)(3) | 2026 | |||
| Tamalpais Shambhala Mediation Group | 501(c)(3) | 1975 | ||||
| Tamalpais Valley Improvement Club | 501(c)(4) | 1986 | $0 | $0 | 2025-12 | |
| The Binkley Foundation | Education | 501(c)(3) | 1991 | $2.9 million | 2025-12 | |
| The Bunnie and Jerome Sachs Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $202,281 | 2025-12 | |
| The Fred Gellert Family Foundation | 501(c)(3) | 1960 | $5.5 million | 2024-12 | ||
| The Lotus | Education | 501(c)(3) | 2022 | $2,389 | 2024-12 | |
| The Luster Foundation | Education | 501(c)(3) | 1996 | $305,631 | 2024-12 | |
| The Marinchess Foundation | Youth development | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| The Verla K Regnery Foundation | 501(c)(3) | 1989 | $443,489 | 2024-12 | ||
| The@north Ridge Foundation C/o Douglas H Ogden | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $16,200 | 2025-12 | |
| Transportation Alternatives for Marin | Public and societal benefit | 501(c)(3) | 2025 | $1,117 | 2025-12 | |
| Turning Tides Foundation Inc | Environment | 501(c)(3) | 2026 | |||
| Unfound Music Inc | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Unitarian Universalist Fellowship of Southern Marin | 501(c)(3) | 1987 | ||||
| Universal Church of the Master | 501(c)(3) | 1946 | ||||
| Universal Temple of Truth-Satman | 501(c)(3) | 1980 | ||||
| Usta Norcal Foundation | Recreation and sports | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Venables Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $9.2 million | 2025-12 | |
| Vern Glenn Invitational | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | |||
| Vertical Horizons | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Voices of the Universe | Education | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Wake Up California | Community improvement and capacity building | 501(c)(4) | 2025 | $0 | $0 | 2024-12 |
| Walter Stone Foundation | 501(c)(3) | 1969 | $47,886 | 2024-12 | ||
| Watershed Alliance of Marin | Environment | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Way of Life | 501(c)(3) | 1972 | ||||
| Wisdom University | Education | 501(c)(3) | 1996 | $0 | $1.7 million | 2000-06 |
| Women-Church Convergence Incorporated | Religion-related | 501(c)(3) | 1994 | $0 | $0 | 2025-12 |
| Yorkville Highlands Growers & Vinters Association | Community improvement and capacity building | 501(c)(6) | 2002 | $0 | $4,164 | 2025-12 |
By cause in Mill Valley, CA
- Education 37
- Arts, culture and humanities 30
- Philanthropy, voluntarism and grantmaking foundations 26
- Recreation and sports 19
- Religion-related 15
- Environment 15
- Human services 14
- Community improvement and capacity building 12
- Youth development 9
- International, foreign affairs and national security 5
- Mental health and crisis intervention 5
- Medical research 5
- Health care 4
- Housing and shelter 4
- Animal-related 3
- Public and societal benefit 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.