Data / Nonprofits / California / Walnut Creek / Recreation and sports
Recreation and sports nonprofits in Walnut Creek, CA: 42 registered with the IRS
42 recreation and sports nonprofits are registered with the IRS in Walnut Creek, CA, 26 of them 501(c)(3) charities; the 21 that report revenue took in $13.2 million. The largest by revenue: Save Mount Diablo ($6 million), Walnut Creek Soccer Club ($3.6 million), Little League Baseball Inc ($434,955).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Save Mount Diablo | 501(c)(3) | 1980 | $6 million | $29.4 million | 2025-03 |
| Walnut Creek Soccer Club | 501(c)(3) | 1977 | $3.6 million | $3.7 million | 2025-05 |
| Little League Baseball Inc | 501(c)(3) | 1981 | $434,955 | $50,814 | 2025-09 |
| Woodlands Cabana Club | 501(c)(7) | 2024 | $402,353 | $661,235 | 2025-10 |
| Walnut Creek Aquatic Foundation | 501(c)(3) | 2015 | $397,639 | $398,368 | 2025-12 |
| Mt Diablo Interpretive Assoc | 501(c)(3) | 1975 | $394,360 | $1.3 million | 2025-12 |
| Dewing Park Recreation Club | 501(c)(7) | 1968 | $390,870 | $380,508 | 2025-12 |
| FF Fraternity Inc | 501(c)(7) | 2016 | $304,695 | $98,778 | 2025-12 |
| Walnut Creek Pony Baseball | 501(c)(3) | 2000 | $274,825 | $53,090 | 2026-07 |
| Bashball | 501(c)(3) | 2024 | $229,437 | $0 | 2025-12 |
| Rossmoor Art Association of Walnut Creek Inc | 501(c)(7) | 2014 | $116,417 | $55,395 | 2025-12 |
| Valley Vista Racquet Club | 501(c)(3) | 2017 | $115,190 | $65,706 | 2025-12 |
| Walnut Creek Youth Athletic Association | 501(c)(3) | 1992 | $89,565 | $75,726 | 2025-10 |
| Las Lomas Football Foundation | 501(c)(3) | 2000 | $89,200 | $40,646 | 2025-12 |
| Boomers Forever Club | 501(c)(7) | 2025 | $86,456 | $39,389 | 2025-12 |
| Tgif Club of Rossmoor | 501(c)(7) | 2003 | $83,805 | $11,617 | 2025-12 |
| Rosen Institute | 501(c)(6) | 2013 | $39,941 | $66,914 | 2025-12 |
| Walnut Festival Association of Walnut Creek Calif Inc | 501(c)(4) | 1953 | $34,283 | $70,393 | 2025-12 |
| Cal Baseball Foundation | 501(c)(3) | 2011 | $33,169 | $68,482 | 2026-06 |
| Knights Baseball Foundation | 501(c)(3) | 2025 | $26,781 | $13,327 | 2025-12 |
| Bright Harbor Project | 501(c)(3) | 2011 | $72 | $1,680 | 2025-12 |
| Afterschool Futbol Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Backspin Sports Foundation | 501(c)(3) | 2026 | |||
| California Czech and Slovak Club Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Camellia City Racing Pigeon Combine | 501(c)(7) | 2025 | $0 | $0 | 2025-12 |
| Diablo Multisport Connection Team | 501(c)(7) | 2011 | $0 | $0 | 2025-12 |
| Doze | 501(c)(7) | 2022 | $0 | $0 | 2025-12 |
| Eastbay Bulldogs Basketball | 501(c)(3) | 2024 | |||
| FF Fraternity of San Francisco | 501(c)(7) | 2025 | |||
| Hong Kong Polytechnic University Association Northern California | 501(c)(7) | 2006 | $0 | $0 | 2024-12 |
| Indian Valley Swim Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Jump Performance Academy | 501(c)(3) | 2025 | |||
| MG Athletics Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Nomadic Adventure Club | 501(c)(3) | 2025 | |||
| Olde Gaels RFC | 501(c)(3) | 2014 | $0 | $0 | 2026-06 |
| Rossmoor Tennis Club | 501(c)(7) | 2025 | $0 | $0 | 2025-12 |
| Rossmoor Woodshop Supervisors Club | 501(c)(7) | 2024 | $0 | $0 | 2025-12 |
| Scottsdale Booster Club | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| The Corners Baseball Club | 501(c)(3) | 2026 | |||
| Tuesday Forum | 501(c)(7) | 2026 | $0 | $0 | 2026-06 |
| Valley Vista Swim Team | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Walnut Creek Racquet Club Inc | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
Other causes in Walnut Creek, CA
- Education 73
- Human services 56
- Arts, culture and humanities 54
- Philanthropy, voluntarism and grantmaking foundations 44
- 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
Every nonprofit in Walnut Creek, CA · Recreation and sports nonprofits across the state · 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.