Data / Nonprofits / California / Martinez
Nonprofits in Martinez, CA: 248 registered with the IRS
248 nonprofits are registered with the IRS in Martinez, CA, 179 of them 501(c)(3) charities; the 102 that report revenue took in $158.8 million. The largest by revenue: 1St Northern California Credit Union ($30.7 million), Electrical Workers Health & Welfare Trust Fund for Contra Costa County ($25.2 million), Vistability ($22.4 million). Most common causes: recreation and sports (21), human services (18), arts, culture and humanities (16).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| 1St Northern California Credit Union | Public and societal benefit | 501(c)(14) | 2018 | $30.7 million | $807.7 million | 2025-12 |
| Electrical Workers Health & Welfare Trust Fund for Contra Costa County | 501(c)(9) | 1955 | $25.2 million | $26.5 million | 2025-12 | |
| Vistability | Human services | 501(c)(3) | 1962 | $22.4 million | $20.3 million | 2025-06 |
| John Muir Land Trust | Environment | 501(c)(3) | 1994 | $8.8 million | $66.6 million | 2025-06 |
| YWCA of Contra Costa Sacramento | Human services | 501(c)(3) | 1946 | $6.5 million | $12.6 million | 2025-06 |
| Rehabilitation and Employment Services of the East Bay | Employment | 501(c)(3) | 1994 | $6.3 million | $5.3 million | 2024-12 |
| International Brotherhood of Teamsters | 501(c)(5) | 1941 | $5.4 million | $7.1 million | 2025-12 | |
| International Brotherhood of Electrical Workers | 501(c)(5) | 1940 | $5.2 million | $11.5 million | 2025-12 | |
| Laborers International Union of North America | 501(c)(5) | 1964 | $4.6 million | $9.6 million | 2025-12 | |
| Loaves and Fishes of Contra Costa | 501(c)(3) | 1984 | $3.6 million | $2.9 million | 2025-06 | |
| Meals On Wheels of Contra Costa Inc | Food, agriculture and nutrition | 501(c)(3) | 1995 | $3.3 million | $5.5 million | 2025-06 |
| Techequity Collaborative | Housing and shelter | 501(c)(3) | 2021 | $2.8 million | $3.4 million | 2025-06 |
| United Brotherhood of Carpenters & Joiners of America | 501(c)(5) | 1953 | $2.6 million | $6.4 million | 2025-06 | |
| Martinez Early Childhood Center Inc | Human services | 501(c)(3) | 1974 | $2.5 million | $2.2 million | 2025-06 |
| Woodbridge Childrens Center | Human services | 501(c)(3) | 1985 | $2 million | $2.2 million | 2025-06 |
| Contra Costa County Deputy Sheriffs Association | 501(c)(5) | 1970 | $2 million | $2.4 million | 2025-12 | |
| Contra Costa County Electrical Industry Trust | 501(c)(6) | 1994 | $1.6 million | $2 million | 2025-05 | |
| United Association of Journeymen & Apprentices of the Plumbing & Pipe | 501(c)(5) | 1944 | $1.6 million | $1.7 million | 2024-12 | |
| United Steelworkers | 501(c)(5) | 1940 | $1.4 million | $5.4 million | 2025-12 | |
| Diablo Valley Volleyball Club | Recreation and sports | 501(c)(3) | 1995 | $1.4 million | $460,410 | 2025-10 |
| International Association of Fire Fighters | 501(c)(5) | 1966 | $1.4 million | $695,223 | 2024-12 | |
| Pollination Project Foundation | Human services | 501(c)(3) | 2012 | $1.4 million | $1.1 million | 2025-06 |
| American Federation of Labor & Congress of Industrial Orgs | 501(c)(5) | 1956 | $1 million | $917,750 | 2024-12 | |
| Contra Costa County Electrical Industry Apprenticeship & Train Trust | Employment | 501(c)(3) | 1998 | $1 million | $3.1 million | 2025-05 |
| Northern California Family | Human services | 501(c)(3) | 1979 | $866,181 | $306,394 | 2025-06 |
| National Electrical Contractors Association Inc | 501(c)(6) | 1965 | $864,197 | $916,596 | 2024-12 | |
| Martinez Gun Club | 501(c)(4) | 1990 | $840,400 | $500,091 | 2025-12 | |
| Contra Costa County Electrical Const Ind Labor MGT Coop Trust | 501(c)(6) | 1993 | $679,006 | $2.5 million | 2025-05 | |
| American Federation of Labor & Congress of Industrial Orgs | 501(c)(5) | 1978 | $666,439 | $340,233 | 2025-06 | |
| Journeymen & Apprentice Training Fund Ua Local 159 | 501(c)(5) | 1960 | $594,536 | $896,914 | 2025-06 | |
| Contra Costa Public Works Early Childhood Center | Human services | 501(c)(3) | 1995 | $530,130 | $335,181 | 2025-06 |
| Haccc Casa Del Rio Inc | 501(c)(3) | 1994 | $461,600 | $911,115 | 2024-12 | |
| Martinez Education Foundation | 501(c)(3) | 1986 | $411,026 | $1.8 million | 2025-12 | |
| New Leaf Collaborative | Education | 501(c)(3) | 2014 | $408,261 | $146,917 | 2025-06 |
| The Sisterhood of Sobriety | Mental health and crisis intervention | 501(c)(3) | 2022 | $352,826 | $224,704 | 2025-12 |
| Bay Area Chaplains | Crime and legal-related | 501(c)(3) | 2009 | $308,168 | $180,537 | 2025-12 |
| Main Street Martinez Inc | Community improvement and capacity building | 501(c)(3) | 2002 | $293,217 | $396,563 | 2025-06 |
| United Association Union Local 159 Consumer Protection Trust Fund | 501(c)(5) | 1989 | $270,170 | $475,763 | 2024-12 | |
| Trico-Pipes Labor-Management Cooperation Committee | 501(c)(5) | 1989 | $239,577 | $418,557 | 2024-12 | |
| Contra Costa County Caer Group Inc | 501(c)(3) | 1994 | $230,394 | $97,448 | 2025-12 | |
| Forest Hills Aquatic Park | 501(c)(7) | 1960 | $229,811 | $186,908 | 2024-12 | |
| Martinez Chamber of Commerce | 501(c)(6) | 1945 | $225,956 | $181,562 | 2024-12 | |
| Polish-American Educational Committee of San Francisco | 501(c)(3) | 1969 | $215,844 | $554,587 | 2025-08 | |
| Contra Costa County Historical Society Inc | 501(c)(3) | 1975 | $204,175 | $665,460 | 2025-12 | |
| Little League Baseball Inc | 501(c)(3) | 1967 | $200,289 | $133,674 | 2025-09 | |
| Pacific Coast Coffee Association | Community improvement and capacity building | 501(c)(6) | 2014 | $196,735 | $48,002 | 2024-12 |
| One Living Sanctuary | Animal-related | 501(c)(3) | 2019 | $193,306 | $217,131 | 2025-12 |
| Hidden Valley Parent Faculty Club | Education | 501(c)(3) | 1999 | $190,852 | $175,035 | 2025-06 |
| Martinez Yacht Club Inc | 501(c)(7) | 1978 | $183,826 | $242,631 | 2025-12 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $182,754 | $225,159 | 2025-06 | |
| Amalgamated Transit Union | 501(c)(5) | 1940 | $181,169 | $79,703 | 2025-06 | |
| Martinez Public Improvement Corporation | 501(c)(4) | 1989 | $162,805 | $14.9 million | 2025-06 | |
| Martinez Community Swim Team | Recreation and sports | 501(c)(4) | 2025 | $162,706 | $52,633 | 2025-10 |
| Synergy Theater | Arts, culture and humanities | 501(c)(3) | 2019 | $156,778 | $40,884 | 2025-12 |
| U A Craftsmen Center Inc | 501(c)(2) | 1974 | $143,484 | $989,761 | 2024-12 | |
| Mt Diablo Dog Training Club Inc | Recreation and sports | 501(c)(4) | 2006 | $143,034 | $102,036 | 2025-12 |
| Contra Costa County Defenders Association | Employment | 501(c)(5) | 2014 | $142,022 | $284,985 | 2024-12 |
| Contra Costa County Prosecutors Association | Education | 501(c)(4) | 2004 | $132,389 | $139,426 | 2025-12 |
| Library Foundation of Contra Costa | Education | 501(c)(3) | 2023 | $131,840 | $131,056 | 2025-12 |
| California Vintage Wine Society of San Francisco | Recreation and sports | 501(c)(7) | 2018 | $131,368 | $254,834 | 2025-12 |
| Martinez Bocce Federation | 501(c)(4) | 1994 | $117,849 | $67,007 | 2025-12 | |
| Contra Costa County Retired Employees Associaton | Employment | 501(c)(5) | 2013 | $116,008 | $219,974 | 2024-12 |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $115,562 | $110,554 | 2025-06 | |
| Feet First Foundation | Health care | 501(c)(3) | 2017 | $110,900 | $1.1 million | 2024-12 |
| Forest Hills Swim Team | Recreation and sports | 501(c)(3) | 2012 | $107,647 | $74,725 | 2025-12 |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $106,681 | $80,379 | 2025-06 | |
| Techequity Action | Civil rights, social action and advocacy | 501(c)(4) | 2022 | $102,200 | $369,032 | 2025-06 |
| Martinez Refinery Complex Alumni | Recreation and sports | 501(c)(4) | 2001 | $96,270 | $668,210 | 2025-12 |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $94,775 | $80,871 | 2025-06 | |
| Hotua Ori | Arts, culture and humanities | 501(c)(3) | 2023 | $93,806 | $17,233 | 2025-12 |
| Angels Haven Outreach | International, foreign affairs and national security | 501(c)(3) | 1988 | $92,675 | $1.4 million | 2024-12 |
| The Praxis Group | 501(c)(3) | 1993 | $80,136 | $34,957 | 2025-12 | |
| Contra Costa Board of Realtors Scholarship Foundation | 501(c)(3) | 1967 | $79,265 | $654,795 | 2025-12 | |
| Contra Costa County Sheriffs Search and Rescue | Public safety, disaster preparedness and relief | 501(c)(3) | 2018 | $76,707 | $95,402 | 2025-12 |
| Hersmile | Human services | 501(c)(3) | 2015 | $71,934 | $127,665 | 2025-12 |
| Northern California Pipe Users Group | Community improvement and capacity building | 501(c)(3) | 2007 | $71,760 | $74,476 | 2025-06 |
| Dublin Dazzlers | Recreation and sports | 501(c)(3) | 2005 | $71,031 | $2,375 | 2025-12 |
| American Outlaws Baseball Inc | Recreation and sports | 501(c)(3) | 2022 | $68,315 | $26,450 | 2025-12 |
| Martinez History Society | 501(c)(3) | 1983 | $65,615 | $1.5 million | 2024-12 | |
| Reed Hazen Scholarship | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $64,913 | $52,117 | 2025-12 |
| Retiree Support Group of Contra Costa County | Employment | 501(c)(5) | 2011 | $63,707 | $749,384 | 2024-12 |
| Good Jobs for Contra Costa County | Employment | 501(c)(4) | 2020 | $63,429 | $51,201 | 2025-06 |
| Rotary International | 501(c)(4) | 1966 | $62,818 | $853,951 | 2025-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $55,800 | $33,025 | 2025-06 | |
| Juvenile Hall Auxiliary of Contra Costa County | Human services | 501(c)(3) | 2024 | $53,484 | $243,709 | 2025-03 |
| Alhambra Booster Club | Recreation and sports | 501(c)(3) | 2015 | $52,825 | $42,057 | 2025-07 |
| United Prof Fire Fighters of Contra Costa Cnty Local 1230 Charity Fund | Public safety, disaster preparedness and relief | 501(c)(3) | 2002 | $51,731 | $71,392 | 2024-12 |
| Thrive With Horses | Animal-related | 501(c)(3) | 2015 | $50,430 | $11,689 | 2025-12 |
| John Muir Memorial Association | Arts, culture and humanities | 501(c)(3) | 1966 | $49,690 | $170,132 | 2025-09 |
| Martinez Police Officers Association | 501(c)(4) | 1974 | $37,673 | $53,181 | 2024-12 | |
| Free & Accepted Masons of California | 501(c)(10) | 1940 | $36,531 | $395,772 | 2024-12 | |
| Us Chinese Anti-Cancer Association | Health care | 501(c)(3) | 2008 | $26,184 | $262,347 | 2025-12 |
| Contra Costa Regional Medical Center Auxiliary | Health care | 501(c)(3) | 1969 | $15,653 | $90,265 | 2025-12 |
| Joseph M Tully Charitable Corporation | Youth development | 501(c)(3) | 2025 | $12,892 | $28,040 | 2024-12 |
| Homeless Action Coalition | Community improvement and capacity building | 501(c)(3) | 2014 | $12,614 | $96,314 | 2025-12 |
| We Can Help Org | Human services | 501(c)(3) | 2023 | $10,567 | $242,138 | 2025-12 |
| Rotary Club of Martinez Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $7,061 | $22,349 | 2024-12 |
| Bay Area Petroleum Association | Community improvement and capacity building | 501(c)(7) | 2001 | $4,824 | $20,782 | 2025-12 |
| Joe Ferguson Brain Cancer Foundation Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2005 | $2,968 | $3,819 | 2025-12 |
| Dorothy M Sakazaki Environmental Endowment Fund | Environment | 501(c)(3) | 2014 | $1,706 | $203,962 | 2025-12 |
| Dont Sweat Changemaker | Youth development | 501(c)(3) | 2023 | $1,108 | $3,466 | 2024-12 |
| Alayi Development Union of North America | Human services | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Albatross Mariners Inc | Youth development | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Alhambra High School Arts Foundation | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2026-06 |
| Alhambra Valley Athletic Club | Recreation and sports | 501(c)(3) | 2026 | |||
| American Association of University Women Inc | Education | 501(c)(4) | 2010 | $0 | $0 | 2026-06 |
| American College of Clinical Pharmacy | 501(c)(6) | 1990 | ||||
| American Federation of State County & Municipal Employees | 501(c)(5) | 1957 | $0 | $0 | 2025-12 | |
| American Federation of State County & Municipal Employees | 501(c)(5) | 1957 | $0 | $0 | 2025-12 | |
| American Legion | 501(c)(19) | 1946 | $0 | $0 | 2025-12 | |
| American Society of Professional Estimators Golden Gate Chapter 2 | Community improvement and capacity building | 501(c)(6) | 2012 | $0 | $0 | 2025-12 |
| Amys Wish | Human services | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Animal Liberation Temple | Religion-related | 501(c)(3) | 2022 | |||
| Basics Central Inc | Employment | 501(c)(3) | 2003 | $0 | $0 | 2025-03 |
| Bay Area Independent Film Fund | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Berkeley Full Gospel Church | Religion-related | 501(c)(3) | 1997 | |||
| Beyond Invisible Bars | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-08 |
| California County Librarians Association | Arts, culture and humanities | 501(c)(4) | 2024 | $0 | $0 | 2025-12 |
| California Federation of Womens Clubs | 501(c)(3) | 1998 | $0 | $0 | 2025-06 | |
| California Highway Patrol Explorer Program | Youth development | 501(c)(3) | 2003 | $0 | $0 | 2026-06 |
| California Teachers Association | 501(c)(5) | 1976 | $0 | $0 | 2025-08 | |
| California Teachers Association | 501(c)(5) | 1976 | $0 | $0 | 2025-12 | |
| California-Nevada Methodist Homes I NC | Human services | 501(c)(3) | 2026 | $0 | $505,391 | 2025-06 |
| Central Contra Costa Sanitary Dist Facilities Financing Authority | 501(c)(4) | 1996 | ||||
| Central Contra Costa Sanitary District Management Support | Employment | 501(c)(5) | 2016 | $0 | $0 | 2024-12 |
| Chinese General Hospital Nursing Alumni Endowment Fund of N Ca | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1995 | $0 | $0 | 2024-06 |
| Christ Lutheran Church | 501(c)(3) | 1941 | ||||
| Church of Christ in Martinez California | 501(c)(3) | 1979 | ||||
| Church of God of Prophecy | 501(c)(3) | 1969 | ||||
| Coldbrook Foundation | Housing and shelter | 501(c)(3) | 1998 | $0 | $322,121 | 2025-12 |
| Contra Costa Animal Services Founda Tion | Animal-related | 501(c)(3) | 2026 | |||
| Contra Costa Community College District Educational Financing Cor | 501(c)(4) | 1998 | $0 | $0 | 2025-06 | |
| Contra Costa District Attorneys Investigators Association | Employment | 501(c)(4) | 2024 | $0 | $0 | 2025-12 |
| Cornerstone Baptist Church of Martinez California | Religion-related | 501(c)(3) | 2015 | 2013-12 | ||
| Creekside Open Bible | 501(c)(3) | 1971 | ||||
| Dapstep Ministries | Religion-related | 501(c)(3) | 2014 | |||
| Destiny Horse Therapy Center | Mental health and crisis intervention | 501(c)(3) | 2026 | |||
| Diablo Regional Concert Band | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Diablo Valley Elite Stunt & Cheer | Recreation and sports | 501(c)(3) | 2026 | |||
| Disciples Car Club Ministry Inc | Religion-related | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Discovery House Alumni Association Inc | Mental health and crisis intervention | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Djek Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $8.2 million | 2024-12 | |
| Dreams Awaken Inc | Crime and legal-related | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| East Bay Polish American Association | 501(c)(3) | 1986 | $0 | $0 | 2025-12 | |
| Edwin and Jeanne Woods Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $8 million | 2025-12 | |
| Faith Fellowship | 501(c)(3) | 1975 | ||||
| First Baptist Church | 501(c)(3) | 1955 | ||||
| For Elenvia - Publications and Productions | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| For the Bay Area | Community improvement and capacity building | 501(c)(3) | 2024 | |||
| Foster A Dream Inc | Youth development | 501(c)(3) | 2003 | $0 | $0 | 2024-12 |
| Friends of the Martinez Library | 501(c)(3) | 1974 | $0 | $0 | 2026-06 | |
| Get Vocal for Victims | Crime and legal-related | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Grace Episcopal Church | 501(c)(3) | 1976 | ||||
| Household Faith Fellowship | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Iglesia de Dios Tabernaculo de Amor | 501(c)(3) | 1972 | ||||
| Imhe | Youth development | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Innate Chiropractic Health | Health care | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| International Association of Lions Clubs | 501(c)(4) | 1940 | $0 | $0 | 2026-06 | |
| Italian Catholic Federation of California Inc | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Joe Dimaggio Hometown Hero Project | Arts, culture and humanities | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| John Muir Elementary School Student Council Inc | Youth development | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| K4P Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $227,622 | 2025-12 | |
| Karilagan Incorporated | Arts, culture and humanities | 501(c)(3) | 1996 | $0 | $0 | 2023-12 |
| Kingdom of God of the Greater Bay Area Inc | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Lady Patriots Fastpitch Inc | Recreation and sports | 501(c)(3) | 2026 | |||
| Lamorinda Girls Basketball Foundation | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Lan Cai He Guan | Education | 501(c)(3) | 2025 | |||
| Life Exchange Ministries | Religion-related | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Light of Grace Korean Presbyterian Church | 501(c)(3) | 1991 | ||||
| Love of My Life Ministries | Religion-related | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Maharlika Cultural Troupe Inc | 501(c)(3) | 1994 | $0 | $0 | 2025-09 | |
| Markists Internet Archive | Education | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Martinez Area Cert Foundation | Public safety, disaster preparedness and relief | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Martinez Arts Association | 501(c)(3) | 1971 | $0 | $0 | 2025-12 | |
| Martinez Baseball Club | Recreation and sports | 501(c)(3) | 2020 | $28,342 | 2024-12 | |
| Martinez Cemetery Preservation Alliance | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Martinez Community Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1994 | $0 | $0 | 2025-06 |
| Martinez Kiwanis Foundation | Education | 501(c)(3) | 2025 | $0 | $571,554 | 2025-12 |
| Martinez Lady Lions | 501(c)(4) | 1940 | $0 | $0 | 2026-06 | |
| Martinez Lady Lions Foundation | Community improvement and capacity building | 501(c)(3) | 2026 | |||
| Martinez Music Mafia | 501(c)(3) | 2020 | $0 | $0 | 2026-04 | |
| Martinez Police Officers Foundation | Public safety, disaster preparedness and relief | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Martinez Sportsmen Club | 501(c)(4) | 1983 | $0 | $0 | 2025-12 | |
| Martinez Swingers Square Dance Club | Arts, culture and humanities | 501(c)(7) | 2014 | $0 | $0 | 2025-12 |
| Medicus Et Vitae Overseas Incorpora Ted | International, foreign affairs and national security | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Ministerio Pentecostes El Cordero de Dios Inc | Religion-related | 501(c)(3) | 2019 | |||
| Morello Avenue Baptist Church | 501(c)(3) | 1969 | ||||
| Morello Hills Christian Church | 501(c)(3) | 1965 | ||||
| National Night Out Martinez Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2026 | |||
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1969 | $0 | $0 | 2026-04 | |
| Nature Speakz Bay Area | Human services | 501(c)(3) | 2026 | |||
| New Believer Concepts Inc | Religion-related | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Norcal Slope Soarers | Recreation and sports | 501(c)(7) | 2019 | $0 | $0 | 2025-12 |
| Northern California Womens Lacrosse Umpires Association | Recreation and sports | 501(c)(4) | 2013 | $0 | $0 | 2025-07 |
| Northstar Impact Foundation | Youth development | 501(c)(3) | 2026 | |||
| Open Heart Ministry Inc | Religion-related | 501(c)(3) | 2001 | |||
| Order of the Eastern Star of California | 501(c)(10) | 2020 | ||||
| PG Beil Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $502,800 | 2025-12 | |
| Parent Booster USA Inc | Education | 501(c)(3) | 2005 | $0 | $0 | 2025-07 |
| Parent Booster USA Inc | Education | 501(c)(3) | 2005 | $0 | $0 | 2026-07 |
| Passion To the Streets | Community improvement and capacity building | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Paul Jones Foundation | Mental health and crisis intervention | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Pip S Rescue Pack | Animal-related | 501(c)(3) | 2025 | $0 | $0 | 2025-07 |
| Playwrights Center of San Francisco | 501(c)(3) | 1981 | $0 | $0 | 2026-04 | |
| Pleasant Hill Korean Presbyterian Church | Religion-related | 501(c)(3) | 1996 | |||
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $0 | $0 | 2025-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $0 | $0 | 2026-06 | |
| Ravendark Community Collective | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Reaching Down Inc | Human services | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Renegades Youth Sports Club | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Rescue Our Warriors Inc | Mental health and crisis intervention | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Retreat From Cancer | Human services | 501(c)(3) | 2024 | $0 | $0 | 2023-12 |
| Rusty Halo Foundation | Human services | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| San Francisco Science of Mind Center Inc | 501(c)(3) | 1974 | ||||
| Senior Citizens Club of Martinez | Recreation and sports | 501(c)(4) | 2020 | $0 | $0 | 2025-06 |
| Society of Women Engineers | 501(c)(3) | 1992 | $0 | $0 | 2026-06 | |
| Sons & Daughters of Nagbukel Inc | Education | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Soroptimist International of the Americas Inc | Crime and legal-related | 501(c)(3) | 2002 | $0 | $0 | 2025-08 |
| Souls of Light Sanctuary | Arts, culture and humanities | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Spiritual Assembly of the Bahais of Martinez | 501(c)(3) | 1995 | ||||
| Stand Your Ground Productions Inc | 501(c)(3) | 2025 | ||||
| Stewart Solutions | Mental health and crisis intervention | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Sutherland Education | Education | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Taven Trust | 501(c)(91) | |||||
| Temple of Faith Gospel Church | Religion-related | 501(c)(3) | 2002 | |||
| The Architectural Preservation Foundation of Contra Costa County | Arts, culture and humanities | 501(c)(3) | 2016 | $878 | 2025-12 | |
| The Christos Agape Foundation | Human services | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| The@check in Project | Mental health and crisis intervention | 501(c)(3) | 2025 | |||
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Toastmasters International | 501(c)(3) | 1966 | $0 | $0 | 2025-12 | |
| Triple X Fraternity - Oakland Chapter Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $0 | $0 | 2025-10 |
| Ua Local 159 Scholarship Fund | Education | 501(c)(3) | 2026 | |||
| Underdawgz Football | Recreation and sports | 501(c)(3) | 2026 | |||
| United Pentecostal Church of | 501(c)(3) | 1958 | ||||
| Universal Bay Area Incorporated | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2026-01 |
| Usafi Impact | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | $0 | $0 | 2026-06 |
| Valley Artist Productions Inc | Arts, culture and humanities | 501(c)(3) | 1978 | $0 | $0 | 2025-07 |
| Veterans Memorial Building Martinez | Public and societal benefit | 501(c)(19) | 2010 | $0 | $0 | 2025-12 |
| Veterans of Foreign Wars Department of California | 501(c)(19) | 1958 | $0 | $0 | 2026-06 | |
| Walnut Creek First Church of the Nazarene | 501(c)(3) | 1963 | ||||
| Warrior Resilience Challenge | Public and societal benefit | 501(c)(3) | 2022 | $0 | $0 | 2025-01 |
| Women in Logistics Inc | Community improvement and capacity building | 501(c)(6) | 2000 | $0 | $0 | 2025-12 |
| World Wake Surf League Inc | Recreation and sports | 501(c)(3) | 2024 | |||
| Yigongyi Center for Nonprofits | Community improvement and capacity building | 501(c)(3) | 2013 | $0 | $0 | 2024-12 |
| Skillcraft Inc | 501(c)(2) | 1960 | $-3,154 | $2.5 million | 2025-12 |
By cause in Martinez, CA
- Recreation and sports 21
- Human services 18
- Arts, culture and humanities 16
- Religion-related 14
- Education 14
- Community improvement and capacity building 11
- Philanthropy, voluntarism and grantmaking foundations 10
- Employment 9
- Youth development 8
- Mental health and crisis intervention 7
- Public safety, disaster preparedness and relief 5
- Health care 4
- Crime and legal-related 4
- Animal-related 4
- 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.