Data / Nonprofits / California / Walnut Creek
Nonprofits in Walnut Creek, CA: 699 registered with the IRS
699 nonprofits are registered with the IRS in Walnut Creek, CA, 580 of them 501(c)(3) charities; the 342 that report revenue took in $3.91 billion. The largest by revenue: John Muir Health ($2.02 billion), John Muir Physician Network ($519.2 million), Reta Trust ($416.6 million). Most common causes: education (73), human services (56), arts, culture and humanities (54).
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The 500 largest by revenue
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| John Muir Health | Health care | 501(c)(3) | 1966 | $2.02 billion | $3.61 billion | 2024-12 |
| John Muir Physician Network | Health care | 501(c)(3) | 1998 | $519.2 million | $167.4 million | 2024-12 |
| Reta Trust | 501(c)(9) | 1977 | $416.6 million | $101.4 million | 2025-06 | |
| Catalight Foundation | Health care | 501(c)(3) | 1996 | $393 million | $147.2 million | 2025-12 |
| East Bay Drayage Drivers Security | 501(c)(9) | 1957 | $85.7 million | $68.7 million | 2025-10 | |
| John Muir Behavioral Health | Mental health and crisis intervention | 501(c)(3) | 1996 | $54.2 million | $17.3 million | 2024-12 |
| John Muir Foundation | Health care | 501(c)(3) | 1980 | $42.8 million | $118.7 million | 2024-12 |
| Easterseals Northern California | Health care | 501(c)(3) | 2020 | $34.3 million | $5.9 million | 2025-12 |
| Christian Church Homes | 501(c)(3) | 1964 | $22.3 million | $195.4 million | 2025-06 | |
| Seven Hills School | 501(c)(3) | 1966 | $21.1 million | $40.4 million | 2025-06 | |
| Consumer Credit Counseling Service of San Francisco | Human services | 501(c)(3) | 1974 | $20.6 million | $12.9 million | 2024-12 |
| Joybound People and Pets Fka Tony Larussas Animal Rescue Foundation | Animal-related | 501(c)(3) | 1996 | $13.4 million | $87.9 million | 2025-06 |
| Art of Living Foundation | 501(c)(3) | 1995 | $12.7 million | $31.6 million | 2024-12 | |
| Sentry Living Solutions | Human services | 501(c)(3) | 2017 | $12 million | $825,980 | 2025-12 |
| Bi-Bett | Human services | 501(c)(3) | 1970 | $11 million | $14 million | 2025-06 |
| Napa Valley Festival Association | Arts, culture and humanities | 501(c)(3) | 2009 | $9.4 million | $19 million | 2025-09 |
| Cancer Support Community San Francisco Bay Area | Diseases, disorders and medical disciplines | 501(c)(3) | 1993 | $7.9 million | $36.9 million | 2025-12 |
| Berean Christian High School | 501(c)(3) | 1972 | $7.9 million | $6.4 million | 2025-06 | |
| International Anesthesia Research Society | Medical research | 501(c)(3) | 1953 | $6.9 million | $35.3 million | 2024-12 |
| Mountain View Transportation Management Association | Public and societal benefit | 501(c)(4) | 2014 | $6.7 million | $4.7 million | 2025-12 |
| Meals On Wheels Diablo Region | Human services | 501(c)(3) | 1985 | $6.6 million | $6 million | 2025-06 |
| Save Mount Diablo | Recreation and sports | 501(c)(3) | 1980 | $6 million | $29.4 million | 2025-03 |
| Contra Costa Crisis Center | Mental health and crisis intervention | 501(c)(3) | 1970 | $5.2 million | $6.4 million | 2025-06 |
| Charthouse Public Schools | Education | 501(c)(3) | 2016 | $5 million | $15 million | 2025-06 |
| Wellspring Educational Services Inc | Education | 501(c)(3) | 2013 | $5 million | $7 million | 2025-06 |
| Contra Costa Christian Schools Association | Education | 501(c)(3) | 1980 | $4.9 million | $4.5 million | 2025-06 |
| Next Generation Mobility | Public safety, disaster preparedness and relief | 501(c)(3) | 2016 | $4.3 million | $733,242 | 2025-12 |
| Eagle Peak Montessori School | Education | 501(c)(3) | 2000 | $3.9 million | $3 million | 2025-06 |
| Walnut Creek Soccer Club | Recreation and sports | 501(c)(3) | 1977 | $3.6 million | $3.7 million | 2025-05 |
| CCHNC South Lake Towers Inc | Housing and shelter | 501(c)(3) | 2002 | $3.6 million | $10.8 million | 2025-06 |
| Casa de Redwood Foundation | Housing and shelter | 501(c)(3) | 1970 | $3.6 million | $11.3 million | 2025-10 |
| Concord Homes Inc | Housing and shelter | 501(c)(3) | 1975 | $3.6 million | $3.9 million | 2025-12 |
| Lindsay Wildlife Museum | Arts, culture and humanities | 501(c)(3) | 1958 | $3.5 million | $11.3 million | 2025-06 |
| Construction Employers Association of California | 501(c)(6) | 1986 | $3.5 million | $17.3 million | 2024-12 | |
| Collegespring Inc | Education | 501(c)(3) | 2010 | $3.3 million | $3.3 million | 2025-06 |
| Harmony Home Associated | Housing and shelter | 501(c)(3) | 2001 | $2.8 million | $6.2 million | 2025-09 |
| Walnut Creek Area Chamber of Commerce | 501(c)(6) | 1952 | $2.8 million | $3.5 million | 2025-06 | |
| Junior Achievement USA | International, foreign affairs and national security | 501(c)(3) | 1994 | $2.8 million | $3.4 million | 2025-06 |
| Music Teachers Association of California | 501(c)(6) | 1960 | $2.6 million | $3.1 million | 2025-07 | |
| Contra Costa Juvenile Advocates | Crime and legal-related | 501(c)(4) | 2018 | $2.5 million | $711,591 | 2025-06 |
| Ruth Bancroft Garden Inc | Environment | 501(c)(3) | 1994 | $2.3 million | $5.1 million | 2025-12 |
| Hospital de La Familia Foundation | International, foreign affairs and national security | 501(c)(3) | 1978 | $2.2 million | $4.4 million | 2024-12 |
| Counseling Options & Parent Education Support Center Inc | Human services | 501(c)(3) | 2012 | $2 million | $1.7 million | 2025-06 |
| Latinas in Tech Inc | Human services | 501(c)(3) | 2019 | $2 million | $817,150 | 2024-12 |
| Walnut Acres Day Care Center Inc | Human services | 501(c)(3) | 1981 | $1.9 million | $2.3 million | 2024-12 |
| Rossmoor Scholarship Foundation | Education | 501(c)(3) | 1966 | $1.8 million | $3.9 million | 2025-12 |
| Valle Verde Childrens Center | Human services | 501(c)(3) | 1980 | $1.7 million | $1.1 million | 2025-12 |
| Carpenters Work Preservation Committee Trust Fund | 501(c)(6) | 1987 | $1.6 million | $11.6 million | 2024-12 | |
| Rossmoor Fund | Human services | 501(c)(3) | 2010 | $1.6 million | $2.1 million | 2025-12 |
| Firenuggets | Education | 501(c)(3) | 2014 | $1.6 million | $255,958 | 2024-12 |
| California Symphony Orchestra Inc | Arts, culture and humanities | 501(c)(3) | 1991 | $1.6 million | $330,718 | 2025-07 |
| Walnut Creek Education Foundation K-12 | 501(c)(3) | 1983 | $1.5 million | $603,210 | 2025-06 | |
| Walnut Creek Aquanuts Synchronized Swimming Booster Club | 501(c)(3) | 1971 | $1.5 million | $1.6 million | 2025-09 | |
| Margaret McDowell Associates Inc | Housing and shelter | 501(c)(3) | 1997 | $1.5 million | $4.2 million | 2025-09 |
| John Muir Mt Diablo Community Health Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $1.5 million | $22,924 | 2024-12 |
| Sydney Paige Foundation | Human services | 501(c)(3) | 2018 | $1.4 million | $384,496 | 2024-12 |
| Creek-A Middle School Youth Center | Human services | 501(c)(3) | 2004 | $1.4 million | $511,678 | 2025-06 |
| Taiwanese American Culture Center of East Bay | Arts, culture and humanities | 501(c)(3) | 2022 | $1.4 million | $3.9 million | 2025-12 |
| Concord Plaza Tower Inc | Housing and shelter | 501(c)(3) | 1986 | $1.3 million | $4 million | 2025-12 |
| Remarkable Marriage and Family Institute | Human services | 501(c)(3) | 2017 | $1.3 million | $29,156 | 2025-06 |
| Diablo Ballet | Arts, culture and humanities | 501(c)(3) | 1993 | $1.3 million | $641,966 | 2025-07 |
| Trinity Center Walnut Creek | Human services | 501(c)(3) | 2013 | $1.2 million | $976,336 | 2025-06 |
| California Urban Water Agencies | Environment | 501(c)(3) | 1993 | $1.2 million | $691,112 | 2025-06 |
| Carpenter Employers Contract | 501(c)(6) | 1986 | $1.2 million | $9,770 | 2024-12 | |
| Foundation for Global Arts | 501(c)(3) | 1992 | $1.2 million | $16.9 million | 2024-12 | |
| Neary Lagoon Senior Housing Inc | Housing and shelter | 501(c)(3) | 1991 | $1.1 million | $3.7 million | 2025-06 |
| Walnut Creek Downtown Business Association Inc | 501(c)(6) | 1990 | $1.1 million | $115,375 | 2025-03 | |
| Smiles Day School | Education | 501(c)(3) | 1985 | $1.1 million | $101,016 | 2025-12 |
| Diablo Valley Giving Partners | Community improvement and capacity building | 501(c)(3) | 1966 | $1.1 million | $2.5 million | 2025-05 |
| Amici Lovaniensis Inc | Education | 501(c)(3) | 2013 | $1 million | $220,131 | 2024-12 |
| Portland Disciples Housing Inc | Housing and shelter | 501(c)(3) | 2026 | $987,438 | $1.6 million | 2025-06 |
| Mobility Matters | Mental health and crisis intervention | 501(c)(3) | 2007 | $983,793 | $838,615 | 2025-12 |
| The Buena Vista Childrens Center Inc | Education | 501(c)(3) | 2000 | $965,443 | $1 million | 2025-06 |
| Refrigeration and Air Conditioning Training Trust | 501(c)(3) | 1963 | $954,231 | $11.9 million | 2024-12 | |
| Aim High | Human services | 501(c)(3) | 2023 | $942,920 | $968,062 | 2025-12 |
| Association of Construction Employers | 501(c)(6) | 1995 | $934,587 | $1.5 million | 2024-12 | |
| Heather Farm Garden Center Association Incorporated | Environment | 501(c)(3) | 1972 | $928,683 | $1.7 million | 2025-12 |
| Murwood Keyspot Inc | Human services | 501(c)(3) | 1994 | $916,890 | $415,311 | 2025-08 |
| Community Concern for Cats | Animal-related | 501(c)(3) | 2022 | $915,438 | $1.8 million | 2024-12 |
| Jefferson Street Senior Housing Corporation | Housing and shelter | 501(c)(3) | 2002 | $874,244 | $6 million | 2024-12 |
| Providence Senior Housing Corporation | Housing and shelter | 501(c)(3) | 2005 | $855,876 | $10.2 million | 2025-12 |
| Indian Valley Kids Only Club Inc | Human services | 501(c)(3) | 2002 | $854,216 | $278,182 | 2025-08 |
| Contra Costa Economic Partnership Inc | Community improvement and capacity building | 501(c)(3) | 1996 | $847,074 | $64,594 | 2025-06 |
| Northgate Bronco Boosters Nonprofit Corporation | Education | 501(c)(3) | 1993 | $844,711 | $398,859 | 2025-07 |
| Giving Exchange | International, foreign affairs and national security | 501(c)(3) | 2014 | $841,607 | $2.4 million | 2025-12 |
| Bancroft Senior Homes Inc | Housing and shelter | 501(c)(3) | 2025 | $797,018 | $3.5 million | 2025-09 |
| Tree House Senior Apartments Inc | Housing and shelter | 501(c)(3) | 1995 | $793,276 | $1.7 million | 2025-06 |
| St Mary S Elderly Housing Corporation Inc | 501(c)(3) | 1978 | $771,626 | $16.8 million | 2025-10 | |
| Construstion Employers Contract Administration Trust Fund | 501(c)(6) | 1995 | $752,579 | $71,931 | 2024-12 | |
| Orinda Senior Housing Foundation | Housing and shelter | 501(c)(3) | 2019 | $749,110 | $3.4 million | 2025-01 |
| Macedonian Outreach | International, foreign affairs and national security | 501(c)(3) | 2000 | $748,724 | $933,634 | 2024-12 |
| Laborers Market Preservation Trust Fund | 501(c)(5) | 1987 | $748,449 | $3,802 | 2024-12 | |
| Chilpancingo Vista Inc | Housing and shelter | 501(c)(3) | 1980 | $746,511 | $2.5 million | 2025-06 |
| International Association of Lions Clubs | 501(c)(4) | 1969 | $743,414 | $1.2 million | 2025-06 | |
| Walnut Heights Kids Club Inc | Human services | 501(c)(3) | 1998 | $714,987 | $501,150 | 2025-12 |
| Antioch Hillcrest Terrace Inc | Housing and shelter | 501(c)(3) | 1997 | $714,134 | $2.8 million | 2025-06 |
| Walnut Creek Library Foundation | Education | 501(c)(3) | 1999 | $712,275 | $3.2 million | 2024-12 |
| Help Aid Africa | International, foreign affairs and national security | 501(c)(3) | 2009 | $686,038 | $196,767 | 2024-12 |
| Alcohol & Drug Abuse Council of Contra Costa Inc | Human services | 501(c)(3) | 2023 | $664,614 | $427,064 | 2025-06 |
| Kennedy King Memorial College Scholarship Fund | Education | 501(c)(3) | 1968 | $664,078 | $3.6 million | 2026-06 |
| Laborers Building Industry Stabilization Trust Fund | 501(c)(6) | 1990 | $651,233 | $4.3 million | 2024-12 | |
| East Bay Leadership Council | 501(c)(6) | 1955 | $642,010 | $964,500 | 2025-06 | |
| Visalia Senior Housing II Inc | Housing and shelter | 501(c)(3) | 2000 | $630,469 | $3.8 million | 2025-06 |
| Nba Disciples Housing of Greater Kansas City Missouri Inc | Housing and shelter | 501(c)(3) | 2019 | $623,337 | $2.3 million | 2026-03 |
| Music Teachers Association of California | 501(c)(6) | 1967 | $602,369 | $2.6 million | 2025-07 | |
| Lambda Phi Epsilon National Fraternity Inc | Mutual and membership benefit | 501(c)(10) | 2005 | $594,743 | $557,040 | 2025-07 |
| California & Nevada Civil Engineers and Land Surveyors Association Inc | 501(c)(6) | 1987 | $588,426 | $624,002 | 2024-12 | |
| Jarvis Gardens Senior Apartments Inc | Human services | 501(c)(3) | 2006 | $582,279 | $6 million | 2025-06 |
| San Francisco Fly Casting Club | 501(c)(7) | 1938 | $580,718 | $295,795 | 2025-12 | |
| Leftovers | 501(c)(3) | 1984 | $556,571 | $469,417 | 2025-12 | |
| CCH Development Corporation | Housing and shelter | 501(c)(3) | 2014 | $549,613 | $21.8 million | 2025-06 |
| Walnut Creek Chamber Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $546,315 | $59,669 | 2025-06 |
| Medical Staff of John Muir Med Center Walnut Creek Campus | Community improvement and capacity building | 501(c)(6) | 2015 | $536,786 | $2.5 million | 2024-12 |
| Bay Area Leeds | Education | 501(c)(3) | 2019 | $502,478 | $123,843 | 2023-12 |
| Pecan Grove Manor Inc | Housing and shelter | 501(c)(3) | 2020 | $499,434 | $1.3 million | 2025-06 |
| Larkey All Year Swim Club | 501(c)(7) | 1959 | $491,327 | $312,721 | 2024-12 | |
| Biblical Counseling Ministries Worldwide Inc | Education | 501(c)(3) | 2006 | $489,062 | $114,913 | 2024-12 |
| Northwestern Retirement Housing | Housing and shelter | 501(c)(3) | 1951 | $486,306 | $826,104 | 2025-06 |
| Brentwood 202 Senior Housing Inc | Housing and shelter | 501(c)(3) | 1995 | $485,878 | $1.8 million | 2025-06 |
| Sycamore Place II Senior Housing Corporation | Human services | 501(c)(3) | 2002 | $476,222 | $3.4 million | 2025-06 |
| Al Judiy Academy | Education | 501(c)(3) | 2023 | $465,175 | $137,388 | 2025-08 |
| CCHNC Visalia Senior Housing Corporation | Housing and shelter | 501(c)(3) | 2014 | $463,991 | $6.9 million | 2025-06 |
| Miles Hall Foundation Inc | Mental health and crisis intervention | 501(c)(3) | 2021 | $459,578 | $497,594 | 2025-12 |
| Diablo Regional Arts Association | Arts, culture and humanities | 501(c)(3) | 1969 | $457,341 | $3.5 million | 2025-08 |
| Builders Industry Promotion Trust Fund | 501(c)(6) | 1992 | $448,119 | $17,016 | 2024-12 | |
| Little League Baseball Inc | Recreation and sports | 501(c)(3) | 1981 | $434,955 | $50,814 | 2025-09 |
| Crockett Senior Housing | Housing and shelter | 501(c)(3) | 1998 | $419,410 | $2 million | 2025-09 |
| Appraisal Institute | 501(c)(6) | 1992 | $414,702 | $506,365 | 2024-12 | |
| Parent Faculty Club of Walnut Acres Elementary School | Education | 501(c)(3) | 1977 | $413,480 | $643,104 | 2025-06 |
| Unshakable Hope Inc | 501(c)(2) | 2020 | $404,205 | $2.6 million | 2025-06 | |
| Woodlands Cabana Club | Recreation and sports | 501(c)(7) | 2024 | $402,353 | $661,235 | 2025-10 |
| Childrens Skin Disease Foundation | Medical research | 501(c)(3) | 2000 | $399,227 | $711,264 | 2025-12 |
| Walnut Creek Aquatic Foundation | Recreation and sports | 501(c)(3) | 2015 | $397,639 | $398,368 | 2025-12 |
| Mt Diablo Interpretive Assoc | Recreation and sports | 501(c)(3) | 1975 | $394,360 | $1.3 million | 2025-12 |
| Dewing Park Recreation Club | Recreation and sports | 501(c)(7) | 1968 | $390,870 | $380,508 | 2025-12 |
| Neigh Savers Foundation Inc | Animal-related | 501(c)(3) | 2007 | $386,919 | $376,415 | 2025-12 |
| Children of Faith Missions | Human services | 501(c)(3) | 2009 | $386,555 | $237,112 | 2025-12 |
| Rancho San Miguel Swim Club | 501(c)(7) | 1960 | $366,783 | $384,562 | 2025-12 | |
| Bali Animal Welfare Association | Animal-related | 501(c)(3) | 2010 | $356,060 | $9,262 | 2024-12 |
| A G Health Care Inc | Human services | 501(c)(3) | 2002 | $351,268 | $77,701 | 2024-12 |
| Luena Foundation | Human services | 501(c)(3) | 2019 | $349,532 | $160,075 | 2025-12 |
| Active Reading Clinic | Education | 501(c)(3) | 1993 | $345,262 | $282,517 | 2025-09 |
| Safe Refuge for Children and Families | Human services | 501(c)(3) | 2013 | $337,990 | $116,957 | 2025-12 |
| Nba Disciples Housing of Boise Nba Dogwood Plaza | Housing and shelter | 501(c)(3) | 2022 | $334,085 | $1.5 million | 2025-06 |
| N R I Flying Club | 501(c)(7) | 1974 | $333,560 | $403,008 | 2025-12 | |
| Anterior Cruciate Ligament Study Group | Medical research | 501(c)(3) | 2006 | $333,000 | $203,961 | 2024-12 |
| Northern California Sled Dog Rescue | Animal-related | 501(c)(3) | 2001 | $330,326 | $148,959 | 2024-12 |
| Yours Humanly | Education | 501(c)(3) | 2013 | $330,099 | $81,808 | 2024-12 |
| Ngozi Educational & Healthcare Foundation | Education | 501(c)(3) | 2019 | $329,196 | $552,830 | 2025-12 |
| Hip Sen Benevolent Association | 501(c)(4) | 1973 | $324,177 | $4.5 million | 2025-12 | |
| Syringa Plaza Inc | 501(c)(3) | 1951 | $322,579 | $823,115 | 2025-06 | |
| Bancroft Elmentary School Parent- Faculty Club | 501(c)(3) | 1986 | $311,987 | $424,642 | 2025-06 | |
| Heal Child Skin Disease Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2013 | $311,688 | $1.1 million | 2025-12 |
| Heartsent Adoptions Inc | Human services | 501(c)(3) | 1996 | $305,801 | $127,290 | 2025-12 |
| FF Fraternity Inc | Recreation and sports | 501(c)(7) | 2016 | $304,695 | $98,778 | 2025-12 |
| Rossmoor Golf Club Inc | 501(c)(7) | 1972 | $298,959 | $105,795 | 2025-12 | |
| Disciples Housing of Odessa Texas II Inc | Housing and shelter | 501(c)(3) | 2007 | $296,425 | $2 million | 2025-09 |
| Nba Disciples Housing Odessa | 501(c)(3) | 1951 | $292,537 | $1 million | 2025-09 | |
| Festival Opera Association Inc | Arts, culture and humanities | 501(c)(3) | 1996 | $286,853 | $115,431 | 2025-12 |
| Sustainable Contra Costa | Environment | 501(c)(3) | 2011 | $286,100 | $131,147 | 2025-12 |
| Kacyra Family Foundation | Science and technology | 501(c)(3) | 2002 | $282,753 | $4.5 million | 2025-12 |
| Walnut Creek Pony Baseball | Recreation and sports | 501(c)(3) | 2000 | $274,825 | $53,090 | 2026-07 |
| California Builders Advancement Program | 501(c)(6) | 1997 | $274,265 | $132,798 | 2024-12 | |
| California Alpine Club | 501(c)(7) | 1952 | $269,092 | $1.4 million | 2026-03 | |
| Indian Valley Swim Club Inc | 501(c)(7) | 1962 | $266,716 | $461,836 | 2025-12 | |
| Hearts for Ukraine | International, foreign affairs and national security | 501(c)(3) | 2022 | $266,484 | $34,377 | 2024-12 |
| Ace Fiduciary Group A Non-Profit Corporation | Crime and legal-related | 501(c)(3) | 2019 | $265,875 | $99,276 | 2024-12 |
| Contra Costa Midrasha | 501(c)(3) | 1989 | $265,126 | $14,244 | 2025-06 | |
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1951 | $258,925 | $649,822 | 2025-03 | |
| Contra Costa Chinese School | Arts, culture and humanities | 501(c)(3) | 1985 | $250,752 | $822,154 | 2025-07 |
| Renewal Project Inc | Education | 501(c)(3) | 1997 | $245,315 | $40,577 | 2024-12 |
| Carbon Offsets To Alleviate Poverty | Environment | 501(c)(3) | 2011 | $242,161 | $401,146 | 2024-12 |
| Mountain Falls Apartments Inc | 501(c)(3) | 1951 | $240,479 | $836,135 | 2025-06 | |
| Gerald Huff Fund for Humanity | Human services | 501(c)(3) | 2019 | $239,872 | $276,398 | 2024-12 |
| Pied Piper Pre-School | 501(c)(3) | 1952 | $238,035 | $368,264 | 2025-06 | |
| Story Leaf | Arts, culture and humanities | 501(c)(3) | 2023 | $237,196 | $171,333 | 2025-12 |
| Walnut Creek Concert Band | Arts, culture and humanities | 501(c)(3) | 2000 | $234,119 | $625,559 | 2025-06 |
| Bashball | Recreation and sports | 501(c)(3) | 2024 | $229,437 | $0 | 2025-12 |
| Zenerosity | Human services | 501(c)(3) | 2018 | $224,779 | $23,656 | 2025-12 |
| Walnut Creek Mens Golf Club | 501(c)(7) | 1982 | $219,110 | $49,103 | 2025-12 | |
| South East Asia Rescue Coalition and Haven | International, foreign affairs and national security | 501(c)(3) | 2020 | $216,799 | $528,061 | 2025-09 |
| Walnut Creek Historical Society | Arts, culture and humanities | 501(c)(3) | 1984 | $215,255 | $1.1 million | 2024-12 |
| Contra Costa Service Association of Alcoholics Anonymous | 501(c)(3) | 1972 | $214,366 | $200,974 | 2024-12 | |
| Support4recovery Inc | Mental health and crisis intervention | 501(c)(3) | 2008 | $210,544 | $88,215 | 2025-12 |
| Nba Mountain Falls Apartments II | 501(c)(3) | 1951 | $208,876 | $599,235 | 2025-06 | |
| Wild Tree Foundation | Environment | 501(c)(3) | 2019 | $203,030 | $98,433 | 2024-12 |
| World Free Press Institute | International, foreign affairs and national security | 501(c)(3) | 1997 | $200,000 | $174,104 | 2024-12 |
| Community Foundation for Eagle Peak | Education | 501(c)(3) | 2006 | $199,991 | $652,598 | 2025-06 |
| Crew East Bay Inc | Community improvement and capacity building | 501(c)(6) | 2005 | $197,068 | $179,545 | 2025-12 |
| Project Peace East Bay | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $196,916 | $219,595 | 2025-08 |
| Walnut Creek Swim Club Inc | 501(c)(3) | 1994 | $196,544 | $52,005 | 2024-12 | |
| Giving in Motion Inc | Human services | 501(c)(3) | 2015 | $194,020 | $6,424 | 2024-12 |
| Pan Am Historical Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2013 | $193,634 | $255,889 | 2025-12 |
| Independent Jewish World Cinema | Arts, culture and humanities | 501(c)(3) | 2016 | $193,464 | $545,948 | 2026-06 |
| Walnut Heights Swim Club | 501(c)(7) | 1978 | $184,457 | $652,162 | 2025-09 | |
| Oak Grove Swimming Association | 501(c)(7) | 1961 | $181,447 | $591,586 | 2025-12 | |
| Blackhawk Chours | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $174,614 | $319,293 | 2026-06 |
| Sandplay Therapists of America Inc | Community improvement and capacity building | 501(c)(3) | 1998 | $170,820 | $860,492 | 2025-12 |
| Northern California Chapter of the Ccim Institute | Community improvement and capacity building | 501(c)(6) | 2021 | $170,782 | $83,319 | 2024-12 |
| Arm of Care Inc | Mental health and crisis intervention | 501(c)(3) | 2013 | $169,383 | $161,189 | 2025-12 |
| Association of Environmental Contractors | Community improvement and capacity building | 501(c)(6) | 2003 | $168,264 | $914,583 | 2024-12 |
| Fairchanceforspecialneeds | Education | 501(c)(3) | 2016 | $164,756 | $20,170 | 2025-12 |
| Foothill Parent-Faculty Association | 501(c)(3) | 1987 | $164,111 | $189,379 | 2025-06 | |
| Northgate Parent-Faculty Club | Education | 501(c)(3) | 1975 | $161,905 | $88,793 | 2025-07 |
| Rossmoor Rotary Foundation | 501(c)(3) | 1994 | $160,941 | $1.1 million | 2025-06 | |
| Anguilla Animal Rescue Corporation | Animal-related | 501(c)(3) | 2012 | $159,810 | $117,096 | 2025-12 |
| Association of Environmental Contractors Industry Promotion | Community improvement and capacity building | 501(c)(6) | 2003 | $159,790 | $5,979 | 2024-12 |
| Walnut Creek Adult Softball Inc | 501(c)(4) | 1983 | $155,734 | $28,718 | 2025-12 | |
| Magellan Foundation | Health care | 501(c)(3) | 2019 | $153,868 | $122,216 | 2024-12 |
| Academy of Airway and Gnathologic Orthopedics Inc | 501(c)(6) | 1972 | $153,742 | $199,438 | 2024-12 | |
| Hacienda Homes Inc | 501(c)(4) | 1967 | $152,905 | $304,167 | 2025-12 | |
| Diablo Symphony Association | Arts, culture and humanities | 501(c)(3) | 1965 | $149,924 | $392,557 | 2025-07 |
| Capitalists for Shared Income | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $146,890 | $332,486 | 2025-12 |
| Community Oriented Correctional Health Services Inc | Health care | 501(c)(3) | 2006 | $146,048 | $28,212 | 2025-12 |
| Surety Underwriters Association of Northern California | Mutual and membership benefit | 501(c)(6) | 2012 | $144,990 | $24,324 | 2025-12 |
| Las Lomas Booster Club Inc | 501(c)(3) | 1988 | $143,408 | $45,708 | 2026-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $142,802 | $366,532 | 2025-06 | |
| United States Masters Swimming Inc | 501(c)(3) | 1985 | $138,284 | $317,426 | 2025-12 | |
| Southern California Environmental Contractors Association Contract | Community improvement and capacity building | 501(c)(6) | 2016 | $136,998 | $6,457 | 2024-12 |
| Bay Area Trauma Education Consortium | 501(c)(3) | 1991 | $136,864 | $42,169 | 2024-12 | |
| Southern California Environmental Contractors Association | Employment | 501(c)(6) | 2016 | $131,010 | $531,558 | 2024-12 |
| Vista Diablo Cabana Club | 501(c)(7) | 1975 | $124,418 | $355,975 | 2023-12 | |
| Engineers Alliance for the Arts | Arts, culture and humanities | 501(c)(3) | 1999 | $123,545 | $315,863 | 2025-12 |
| Point B Design and Training | Community improvement and capacity building | 501(c)(3) | 2014 | $120,033 | $109,208 | 2025-12 |
| Rossmoor Art Association of Walnut Creek Inc | Recreation and sports | 501(c)(7) | 2014 | $116,417 | $55,395 | 2025-12 |
| Valley Vista Racquet Club | Recreation and sports | 501(c)(3) | 2017 | $115,190 | $65,706 | 2025-12 |
| Korean Bible Funds | Religion-related | 501(c)(3) | 2013 | $112,983 | $221,710 | 2025-12 |
| California Watercolor Association | 501(c)(3) | 1975 | $110,191 | $160,635 | 2024-12 | |
| Landscape Contractors Council of Northern California | 501(c)(6) | 1975 | $109,392 | $32,958 | 2024-09 | |
| California Sexual Assault Investigators Association | 501(c)(6) | 1980 | $108,869 | $46,038 | 2024-12 | |
| Walnut Creek Warrior Lacrosse | Youth development | 501(c)(3) | 2004 | $108,002 | $97,646 | 2025-08 |
| Balboa Terrace Homes Association | 501(c)(4) | 1958 | $107,298 | $328,175 | 2025-12 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $105,583 | $65,266 | 2026-06 | |
| Police and Fire the Fallen Heroes | Human services | 501(c)(3) | 2009 | $104,424 | $240,132 | 2025-12 |
| Western Chapter Nastt | Public and societal benefit | 501(c)(3) | 2014 | $103,755 | $160,313 | 2025-12 |
| Valley Art Center | Arts, culture and humanities | 501(c)(3) | 1954 | $103,547 | $209,247 | 2025-12 |
| Philippine Medical Society of Northern California Inc | 501(c)(3) | 1984 | $99,282 | $293,216 | 2024-12 | |
| Rossmoor Duplicate Bridge Club | 501(c)(7) | 1984 | $98,272 | $21,303 | 2025-12 | |
| Northgate High School Instrumental Boosters | 501(c)(3) | 1989 | $95,857 | $92,911 | 2025-06 | |
| Rosen Method Foundation | Human services | 501(c)(3) | 1983 | $94,997 | $75,352 | 2024-12 |
| Music Teachers Association of California Foundation | Arts, culture and humanities | 501(c)(3) | 1989 | $93,985 | $1.2 million | 2025-07 |
| Yes and Exercise | Health care | 501(c)(3) | 2022 | $91,912 | $35,666 | 2024-12 |
| Roatan Childrens Fund | Human services | 501(c)(3) | 2006 | $91,159 | $151,052 | 2025-12 |
| Walnut Creek Youth Athletic Association | Recreation and sports | 501(c)(3) | 1992 | $89,565 | $75,726 | 2025-10 |
| Las Lomas Football Foundation | Recreation and sports | 501(c)(3) | 2000 | $89,200 | $40,646 | 2025-12 |
| Walnut Creek Open Space Foundation | 501(c)(3) | 1980 | $88,178 | $512,823 | 2025-10 | |
| National Council of Jewish Women Incorporated | 501(c)(3) | 1949 | $86,652 | $16,652 | 2025-06 | |
| Boomers Forever Club | Recreation and sports | 501(c)(7) | 2025 | $86,456 | $39,389 | 2025-12 |
| Providing Easier Access To Care Everywhere | Mental health and crisis intervention | 501(c)(3) | 2023 | $86,222 | $66,824 | 2024-12 |
| Tgif Club of Rossmoor | Recreation and sports | 501(c)(7) | 2003 | $83,805 | $11,617 | 2025-12 |
| Parkinson Network of Mt Diablo | Diseases, disorders and medical disciplines | 501(c)(3) | 2012 | $83,775 | $308,936 | 2025-06 |
| Couples Club of Rossmoor | Mutual and membership benefit | 501(c)(7) | 2017 | $78,727 | $19,552 | 2025-12 |
| Celsa Southern California | 501(c)(6) | 1951 | $76,656 | $267,891 | 2025-12 | |
| Radcliffe Club of San Francisco | 501(c)(3) | 1982 | $76,625 | $116,624 | 2025-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $75,324 | $105,760 | 2025-06 | |
| Community Arts Foundation | Arts, culture and humanities | 501(c)(3) | 2006 | $75,311 | $58,035 | 2025-06 |
| Mountain Shadow Film Society | Arts, culture and humanities | 501(c)(3) | 2014 | $75,249 | $74,767 | 2025-12 |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $74,577 | $110,475 | 2025-06 | |
| International Carnivorous Plant Society | Environment | 501(c)(3) | 2002 | $73,320 | $165,378 | 2024-12 |
| Parkmead Education Resources Council | Education | 501(c)(3) | 2005 | $72,847 | $271,680 | 2025-06 |
| Turnaround Management Association Norcal Chapter Inc | 501(c)(6) | 1995 | $72,607 | $141,465 | 2025-09 | |
| South Bay Pathology Society | Diseases, disorders and medical disciplines | 501(c)(6) | 2009 | $71,544 | $49,743 | 2025-12 |
| Walnut Knolls Association | 501(c)(7) | 1955 | $68,560 | $50,620 | 2025-12 | |
| California Symphony Endowment Fund | Arts, culture and humanities | 501(c)(3) | 1997 | $66,832 | $1.7 million | 2025-07 |
| Speaklocal | Arts, culture and humanities | 501(c)(3) | 2026 | $65,709 | $1,058 | 2025-12 |
| Junior Bach Festival Association | Arts, culture and humanities | 501(c)(3) | 1954 | $65,443 | $101,666 | 2025-06 |
| Indian Valley Parent Teacher Organization | Education | 501(c)(3) | 1992 | $64,319 | $172,752 | 2026-06 |
| Three Thirty Three Arts | Arts, culture and humanities | 501(c)(3) | 2021 | $63,509 | $47,393 | 2025-12 |
| Chosen Foundation | Religion-related | 501(c)(3) | 2024 | $63,445 | $11,373 | 2025-12 |
| Chromatica | Arts, culture and humanities | 501(c)(3) | 2013 | $63,304 | $75,387 | 2025-12 |
| Rotary International | 501(c)(4) | 1942 | $62,362 | $68,369 | 2025-06 | |
| Relevant Theological Institute | Education | 501(c)(3) | 2017 | $61,760 | $20,002 | 2025-12 |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $61,177 | $97,135 | 2025-06 | |
| Chamber Musicians of Northern Calif Ornia | 501(c)(3) | 1996 | $60,773 | $82,207 | 2025-06 | |
| Cea Cement Mason Contract Administration Fund | Community improvement and capacity building | 501(c)(6) | 2016 | $59,176 | $28,768 | 2024-12 |
| City Systems | Community improvement and capacity building | 501(c)(3) | 2017 | $58,900 | $10,735 | 2026-02 |
| Somos Emprendedores | International, foreign affairs and national security | 501(c)(3) | 2022 | $58,666 | $61,567 | 2024-12 |
| Contra Costa Veterinary Medical Assoc | 501(c)(6) | 1970 | $58,561 | $67,869 | 2025-12 | |
| Queens Bench Bar Association of the San Francisco Bay Area | Community improvement and capacity building | 501(c)(6) | 2013 | $58,551 | $121,605 | 2024-01 |
| The Lazarus Family Foundation | Human services | 501(c)(3) | 2025 | $58,500 | $1 | 2025-12 |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $57,833 | $86,684 | 2025-06 | |
| Books for the Barrios Inc | Education | 501(c)(3) | 1996 | $57,305 | $16,196 | 2024-12 |
| Adults Toward Independent Living | 501(c)(3) | 1976 | $56,819 | $276,023 | 2025-09 | |
| California Historical Artillery Society | Arts, culture and humanities | 501(c)(3) | 1998 | $55,906 | $31,779 | 2025-09 |
| East Bay Chapter of the Association of Legal Administrators | 501(c)(6) | 1992 | $55,627 | $38,545 | 2025-03 | |
| Fantasy Forum Actors Ensemble | Arts, culture and humanities | 501(c)(3) | 2005 | $55,580 | $2,869 | 2025-12 |
| Contra Costa Realtors in Motion | Community improvement and capacity building | 501(c)(6) | 2006 | $55,317 | $35,157 | 2025-12 |
| Ccar - Helping Hands | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2005 | $51,595 | $80,385 | 2024-12 |
| Walnut Creek Seniors Club | 501(c)(3) | 1984 | $50,806 | $235,810 | 2025-12 | |
| Friends of Walnut Creek Library | Education | 501(c)(3) | 1996 | $50,176 | $131,677 | 2025-03 |
| Oakland Builders Alliance | Community improvement and capacity building | 501(c)(6) | 2008 | $49,495 | $15,365 | 2024-12 |
| Northgate Choral Music Boosters Inc | Education | 501(c)(3) | 2000 | $48,629 | $47,153 | 2025-12 |
| Contra Costa Bell Golf Club | 501(c)(7) | 1994 | $48,482 | $8,553 | 2026-01 | |
| Institute for 21St Century International Relations Inc | Education | 501(c)(3) | 2018 | $48,378 | $12,092 | 2025-12 |
| Construction Financial Management Association | 501(c)(6) | 1986 | $47,857 | $38,401 | 2024-03 | |
| Las Lomas All Knighter Foundation | Education | 501(c)(3) | 2014 | $45,024 | $10,024 | 2025-08 |
| Berean Christian High School Foundation | Education | 501(c)(3) | 2021 | $44,543 | $319,971 | 2025-12 |
| Viva La Musica | Arts, culture and humanities | 501(c)(3) | 2008 | $42,137 | $20,364 | 2025-12 |
| The Thriving Foundation | Health care | 501(c)(3) | 2015 | $41,764 | $36,404 | 2025-06 |
| Corps Publications Inc | Education | 501(c)(3) | 2021 | $40,885 | $25,619 | 2023-12 |
| Rosen Institute | Recreation and sports | 501(c)(6) | 2013 | $39,941 | $66,914 | 2025-12 |
| Harrison Street Senior Housing Corporation | Housing and shelter | 501(c)(3) | 2013 | $39,671 | $40,146 | 2024-12 |
| Mount Diablo Beekeepers Association | Food, agriculture and nutrition | 501(c)(3) | 2014 | $38,689 | $71,269 | 2025-12 |
| Walnut Creek Rotary Club Community Foundation | 501(c)(3) | 1990 | $37,420 | $569,491 | 2025-06 | |
| Curtis Granderson Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $37,065 | $158,230 | 2025-09 |
| Western Anesthesia Chairpersons Organization Inc | Education | 501(c)(3) | 2002 | $34,694 | $1.5 million | 2026-06 |
| Walnut Festival Association of Walnut Creek Calif Inc | Recreation and sports | 501(c)(4) | 1953 | $34,283 | $70,393 | 2025-12 |
| Cal Baseball Foundation | Recreation and sports | 501(c)(3) | 2011 | $33,169 | $68,482 | 2026-06 |
| Northcreek Foundation | Education | 501(c)(3) | 2015 | $31,803 | $102,558 | 2025-06 |
| Aunt Annas Reptile Rescue | Animal-related | 501(c)(3) | 2023 | $30,868 | $559 | 2025-12 |
| Municipal Bond Club of San Francisco | 501(c)(7) | 1973 | $27,619 | $4,222 | 2025-06 | |
| Contra Costa Taxpayers Association Inc | 501(c)(4) | 1945 | $27,361 | $77,908 | 2025-12 | |
| Knights Baseball Foundation | Recreation and sports | 501(c)(3) | 2025 | $26,781 | $13,327 | 2025-12 |
| Rossmoor Library Association | 501(c)(3) | 1994 | $24,255 | $206,680 | 2025-12 | |
| Rossmoor Chamber Music Society | Arts, culture and humanities | 501(c)(3) | 2021 | $22,396 | $51,193 | 2026-06 |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $21,138 | $39,883 | 2025-06 | |
| East Bay Hungarian Educational Group | Arts, culture and humanities | 501(c)(3) | 2016 | $21,081 | $1 | 2025-12 |
| Northern California Region Classic Car Club of America | 501(c)(7) | 1991 | $20,194 | $31,535 | 2025-10 | |
| Culture To Culture Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2002 | $20,032 | $440,017 | 2025-06 |
| Las Lomas Performing Arts Foundation | 501(c)(3) | 1984 | $19,324 | $49,459 | 2025-06 | |
| Searchlight Seminars | 501(c)(3) | 1980 | $19,087 | $491,320 | 2024-12 | |
| Lions Club of Rossmoor Foundation | Human services | 501(c)(3) | 2017 | $18,135 | $3,622 | 2026-06 |
| Teens and Parents Service Society | Youth development | 501(c)(3) | 2002 | $16,748 | $40,240 | 2024-12 |
| JBB Foundation Inc | Public and societal benefit | 501(c)(3) | 2023 | $15,000 | $17,683 | 2025-12 |
| National Defense Transportation Assoc San Francisco Bay Area Chap | 501(c)(3) | 2019 | $14,549 | $16,156 | 2025-06 | |
| International Association of Lions Clubs | 501(c)(4) | 1967 | $13,627 | $291,719 | 2026-06 | |
| Diablo Valley Recreation Association | 501(c)(7) | 1954 | $13,465 | $58,749 | 2025-12 | |
| Rotary International | 501(c)(4) | 1965 | $12,923 | $19,868 | 2025-06 | |
| Danville Library Foundation | 501(c)(3) | 1996 | $9,913 | $162,366 | 2025-06 | |
| Albany Lions Club Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $8,721 | $21,713 | 2025-06 |
| Pickup Baseball Foundation | Human services | 501(c)(3) | 2022 | $5,831 | $19,568 | 2025-11 |
| Doris Buvelot Harkins Sarcoma Foundation | Medical research | 501(c)(3) | 2023 | $5,045 | $17,214 | 2024-12 |
| A Fighting Chance 4 U | Mental health and crisis intervention | 501(c)(3) | 2025 | $4,050 | $1 | 2025-12 |
| Nicholas Colby Fund | Health care | 501(c)(3) | 2007 | $1,500 | $334,263 | 2024-12 |
| We Are Woodlands | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $1,353 | $9,652 | 2024-12 |
| Rock the Casa A California Non-Profit Public Benefit Corporat | Public and societal benefit | 501(c)(3) | 2014 | $856 | $36,356 | 2025-02 |
| Alan Neys Memorial Fund | Human services | 501(c)(3) | 2014 | $660 | $328,067 | 2024-12 |
| CCH Management Corporation | Health care | 501(c)(3) | 2014 | $241 | $7.1 million | 2025-06 |
| Diablo Light Opera Company | Arts, culture and humanities | 501(c)(3) | 1973 | $178 | $533,604 | 2025-06 |
| Fargo Senior Center Inc | Housing and shelter | 501(c)(3) | 2018 | $75 | $6.2 million | 2025-06 |
| Bright Harbor Project | Recreation and sports | 501(c)(3) | 2011 | $72 | $1,680 | 2025-12 |
| Africa Deep Tech Foundation | Human services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Afterschool Futbol Inc | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Agape Eleos Ministries International Foundation | Religion-related | 501(c)(3) | 1999 | $505 | 2024-12 | |
| American Horse Management Society Inc | Animal-related | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| American Inns of Court Foundation | 501(c)(3) | 1986 | $0 | $0 | 2025-06 | |
| American Sokol Organization and Educational and Physical Culture O | 501(c)(3) | 1952 | $0 | $0 | 2025-12 | |
| Amigos de Animales de San Miguel de Allende | Animal-related | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Ancient Mystical Order of Rosae Crucis | 501(c)(3) | 1964 | $0 | $0 | 2025-12 | |
| Andrew E and Annie Lin Foundation | Education | 501(c)(3) | 1998 | $697,473 | 2024-12 | |
| Angels for Minis | Animal-related | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Anthony Lavia and Roseanna Laviafoundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2011 | $328,716 | 2025-12 | |
| Ashmolean Singers Inc | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Assist Sports Academy Inc | Youth development | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Association of Adsc West Coast Chapter Agreement Signatories | Community improvement and capacity building | 501(c)(6) | 2025 | |||
| Association of Traditional Hooking Artists | Arts, culture and humanities | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Atc Grace Presbyterian Church of Northern California | Religion-related | 501(c)(3) | 2005 | |||
| Atlantic Arts Museum Inc | Arts, culture and humanities | 501(c)(4) | 2011 | $0 | $0 | 2025-12 |
| Automotive Service Councils of California | 501(c)(6) | 1994 | $0 | $0 | 2025-12 | |
| B Nai Israel of Rossmor | 501(c)(3) | 1986 | ||||
| Backspin Sports Foundation | Recreation and sports | 501(c)(3) | 2026 | |||
| Bahais of Orland | 501(c)(3) | 1965 | ||||
| Bay Area Alliance Youth Foundation Services Inc | Human services | 501(c)(3) | 2024 | |||
| Bay Area Faith Home Corporation | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Bay Area Mormon Studies Council | Religion-related | 501(c)(3) | 2021 | $0 | $0 | 2025-06 |
| Bay Cities Racing Pigeon Combine Inc | 501(c)(7) | 1972 | $0 | $0 | 2025-12 | |
| Bioaligned Labs Inc | Science and technology | 501(c)(3) | 2026 | |||
| Birches Foundation | 501(c)(3) | 1987 | $2.2 million | 2025-12 | ||
| Boys Team Charity Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $0 | $0 | 2026-04 |
| Boys Team Charity Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $0 | $0 | 2026-04 |
| Bravehearts Unlimited Inc | Religion-related | 501(c)(3) | 2023 | $0 | $0 | 2026-04 |
| Bridge Human Resources | Religion-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Bridge of Hope World | Religion-related | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Buds To Blossoms | Human services | 501(c)(3) | 2013 | $0 | $1 | 2025-12 |
| Busters Buddies | Diseases, disorders and medical disciplines | 501(c)(3) | 2016 | $0 | $0 | 2026-06 |
| Bytesizedsecurity | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| California Association of Air Medical Serviices | 501(c)(3) | 2022 | $0 | $0 | 2025-12 | |
| California Czech and Slovak Club Inc | Recreation and sports | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| California Garden Club Inc | Environment | 501(c)(3) | 1969 | $0 | $0 | 2025-12 |
| California Impact Coalition South | Human services | 501(c)(3) | 2025 | |||
| California Retired Teachers Association | 501(c)(4) | 2023 | $0 | $0 | 2026-06 | |
| California State Chaper Womens Council of Realtors | Community improvement and capacity building | 501(c)(6) | 2016 | $0 | $0 | 2024-12 |
| California Trust Real Estate Association | Community improvement and capacity building | 501(c)(6) | 2026 | |||
| Calvary Chapel Walnut Creek | Religion-related | 501(c)(3) | 2025 | |||
| Calvin Simmons Center for the Performing Arts | 501(c)(3) | 1984 | $1 | 2024-12 | ||
| Camellia City Racing Pigeon Combine | Recreation and sports | 501(c)(7) | 2025 | $0 | $0 | 2025-12 |
| Care4africa Inc | Human services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Castle Rock Mutual Water Company | Mutual and membership benefit | 501(c)(12) | 2000 | $0 | $0 | 2025-12 |
| Cat Support Network | Animal-related | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Center for Municipal Finance | 501(c)(3) | 2014 | $0 | $0 | 2025-12 | |
| Chabad of Contra Costa Inc | Religion-related | 501(c)(3) | 2011 | |||
| Chasing Answers | Youth development | 501(c)(3) | 2026 | |||
| Chevron Retirees Association | Employment | 501(c)(4) | 2010 | $0 | $0 | 2025-12 |
| Christian Methodist Episcopal Church | 501(c)(3) | 1980 | ||||
| Church at the Park | Religion-related | 501(c)(3) | 2025 | |||
| Church of Aesclepion Healing | 501(c)(3) | 1987 | 2010-12 | |||
| Church of the Mixed Multitude | Religion-related | 501(c)(3) | 2018 | |||
| Citizen Comission On Human Rights | 501(c)(3) | 1993 | $0 | $0 | 2024-12 | |
| Clay Arts Guild | Arts, culture and humanities | 501(c)(3) | 2006 | $0 | $0 | 2026-06 |
| Clear Water Vision | Environment | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Coach Manny Foundation | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Coco Love Collective | Education | 501(c)(3) | 2025 | |||
| Coit Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $37.5 million | 2024-12 | |
| Cole Arts Inc | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Collaborative Assessment Association of the Bay Area | Mental health and crisis intervention | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Community Learning Services | Education | 501(c)(3) | 1999 | |||
| Community Partnership for Walnut Creek Downtown | Community improvement and capacity building | 501(c)(3) | 2024 | $0 | $0 | 2025-03 |
| Community Youth Center | Youth development | 501(c)(3) | 1997 | $57.1 million | 2024-12 | |
| Computer Club of Rossmoor | Education | 501(c)(3) | 1999 | $0 | $0 | 2025-12 |
| Congregation B Nai Tikvah | Religion-related | 501(c)(3) | 1982 | |||
| Congregation Bnai Sholom of Contra Costa County | 501(c)(3) | 1975 | ||||
| Conquering Cancer Foundation | Health care | 501(c)(3) | 2022 | $7,855 | 2025-12 | |
| Construction Millennials of America | Environment | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Continental Little League of Concord Inc | 501(c)(3) | 1972 | $0 | $0 | 2026-07 | |
| Contra Costa Chamber Orchestra | 501(c)(3) | 1986 | $0 | $0 | 2026-06 | |
| Contra Costa Gospel Church Inc | 501(c)(3) | 1982 | 2008-12 | |||
| Contra Costa Performing Arts Society | 501(c)(3) | 1974 | $0 | $0 | 2025-05 | |
| Contra Costa United Methodist Church | Religion-related | 501(c)(3) | 1995 | |||
| Contra Costa Water District Retiree Association | Civil rights, social action and advocacy | 501(c)(3) | 2026 | |||
| Contra Costa Wind Symphony Inc | Arts, culture and humanities | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Crusader S Closet Donation and Exchange Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Cyber Guard Initiative Inc | Crime and legal-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Darulislam Masjid | 501(c)(3) | 1993 | 2009-12 | |||
| David S and Brenda K Carlson Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $2.1 million | 2024-12 | |
| Dean and Margaret Lesher Foundation | 501(c)(3) | 1994 | $93.7 million | 2025-12 | ||
| Diablo Choral Artists | Arts, culture and humanities | 501(c)(3) | 1999 | $0 | $0 | 2025-06 |
| Diablo Foothills District Incorporated of Ca Garden CLBS Inc | Arts, culture and humanities | 501(c)(3) | 1998 | $0 | $0 | 2025-06 |
| Diablo Multisport Connection Team | Recreation and sports | 501(c)(7) | 2011 | $0 | $0 | 2025-12 |
| Diablo Woodworkers Inc | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Dobbs Family Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $424,724 | 2025-12 | |
| Doze | Recreation and sports | 501(c)(7) | 2022 | $0 | $0 | 2025-12 |
| Drama Association of Rossmoor | Arts, culture and humanities | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| East Bay Insurance Agents Charitable Fund | Education | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Eastbay Bulldogs Basketball | Recreation and sports | 501(c)(3) | 2024 | |||
| Eck Chen Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $2,000 | 2025-11 | |
| Elder Wisdom Circle | Human services | 501(c)(3) | 2004 | $0 | $0 | 2025-08 |
| Embarcadero Neighborhood Association | Community improvement and capacity building | 501(c)(3) | 2022 | $0 | $0 | 2026-06 |
| End Prostate Cancer Alliance | Health care | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Ensemble Foundation | Education | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| Equestrian Center of Walnut Creek | 501(c)(4) | 1970 | $0 | $0 | 2025-12 | |
| Experience and Resource Network Earn | Employment | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Ez Route 990 | Public and societal benefit | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| FF Fraternity of San Francisco | Recreation and sports | 501(c)(7) | 2025 | |||
| Fairy Dog Mothers of the East Bay | Animal-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Faith Christian Fellowship | 501(c)(3) | 1975 | ||||
| Feldman Family Charitable Foundation Inc | 501(c)(3) | 1979 | $384,275 | 2026-04 | ||
| Feniks Foundation | Human services | 501(c)(3) | 2023 | $50,021 | 2025-12 | |
| Financial Forum | Education | 501(c)(3) | 2017 | $9,567 | 2026-05 | |
| Firedoll Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $8.2 million | 2025-05 | |
| First Baptist Church of Walnut Creek | 501(c)(3) | 1970 | ||||
| Food As Medicine | Food, agriculture and nutrition | 501(c)(3) | 2025 | |||
| For the Love of Cups | 501(c)(3) | 2016 | $0 | $0 | 2025-12 | |
| Forever Connected Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | |||
| Forma Kids Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $627,845 | 2025-12 | |
| Formosan United Methodist Church of the East Bay | 501(c)(3) | 1981 | ||||
| Foundation for Hope and Healing Inc | Human services | 501(c)(3) | 2025 | $1 | 2024-12 | |
| Foundation for Persian Archeologica L Studies | Arts, culture and humanities | 501(c)(3) | 2025 | $3,236 | 2025-12 | |
| Friends of Contra Costa Animal Shelters | Animal-related | 501(c)(3) | 2018 | $0 | $0 | 2026-06 |
| Friends of the Creeks | Environment | 501(c)(3) | 1995 | $0 | $0 | 2024-12 |
| Friends of the Ygnacio Valley Library | 501(c)(3) | 1970 | $0 | $0 | 2025-12 | |
| Gift of Healing Foundation | Human services | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Glendas Pink Wheels Inc | Public and societal benefit | 501(c)(3) | 2026 | |||
| Golden State Greyhound Adoption | Animal-related | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Good Sam Lotus Charity | Health care | 501(c)(3) | 2025 | |||
| Gospel Community Church | Religion-related | 501(c)(3) | 2025 | |||
| Gospel Opry | Religion-related | 501(c)(3) | 1999 | |||
| Grace Fellowship | 501(c)(3) | 1970 | ||||
| Grace Nixon Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $8.7 million | 2025-12 | |
| Greater East Bay Aca Inc | Mental health and crisis intervention | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Greatwilderness Com | Environment | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Green Meals Project | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Haciendas Del Pueblo | Mental health and crisis intervention | 501(c)(3) | 2025 | |||
| Hands and Feet Ministries East Bay Inc | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Hawa | Community improvement and capacity building | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Hearing Loss Association of America Inc | 501(c)(3) | 2001 | $0 | $0 | 2025-12 | |
| Heffernan Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $9 million | 2024-12 | |
| Hepatic Hope Foundation | Medical research | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Her Health Empowerment and Resilien Ce Foundation | Health care | 501(c)(3) | 2026 | |||
| Her Stem Space | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Hfunds Moldova | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $0 | $0 | 2026-07 |
| Hillside Covenant Church Walnut Creek Ca | 501(c)(3) | 1975 | 2013-12 | |||
| His Lighthouse | Religion-related | 501(c)(3) | 1995 | |||
| Holon Institute | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Honey Bee & Pollination Education for the Provinces | Public and societal benefit | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Hong Kong Polytechnic University Association Northern California | Recreation and sports | 501(c)(7) | 2006 | $0 | $0 | 2024-12 |
| Hope Learning Center | Religion-related | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Hope Lutheran Church Walnut Creek California | 501(c)(3) | 1988 | 2013-12 | |||
| Hope Mission Philippines | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Hope in Motion Project | Youth development | 501(c)(3) | 2026 | |||
| Hosanna Community Church | Religion-related | 501(c)(3) | 2018 | |||
| Idun Dream Foundation | Health care | 501(c)(3) | 2026 | |||
| Indian Valley Swim Foundation | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Indic Studies Foundation Inc | Education | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Infrared Data Association Inc | 501(c)(6) | 1995 | ||||
| Innov8 Design | Education | 501(c)(3) | 2026 | |||
| Institute of Mental Chronometry | Education | 501(c)(3) | 1972 | $1.9 million | 2024-12 | |
| International Drikung Kagyu Council Foundation | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Intl Chinese Transportation Professionals Assoc Norcal Chap | 501(c)(3) | 2023 | $0 | $0 | 2025-12 | |
| It Starts With A Smile Foundation | Health care | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Ittt Innovative Tailor-Made Training and Technology | Education | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
By cause in Walnut Creek, CA
- Education 73
- Human services 56
- Arts, culture and humanities 54
- Philanthropy, voluntarism and grantmaking foundations 44
- Recreation and sports 42
- Religion-related 32
- Housing and shelter 30
- Community improvement and capacity building 28
- Health care 20
- Environment 18
- Animal-related 17
- International, foreign affairs and national security 14
- Mental health and crisis intervention 14
- Public and societal benefit 11
- Youth development 9
- Medical research 6
- Mutual and membership benefit 5
- Science and technology 5
- Crime and legal-related 5
- Civil rights, social action and advocacy 5
- Diseases, disorders and medical disciplines 5
- Employment 4
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.