Data / Nonprofits / California / Castro Valley / Recreation and sports
Recreation and sports nonprofits in Castro Valley, CA: 21 registered with the IRS
21 recreation and sports nonprofits are registered with the IRS in Castro Valley, CA, 18 of them 501(c)(3) charities; the 8 that report revenue took in $1 million. The largest by revenue: East Bay Bat Rays Swimming Association ($248,877), California Pacific Conference ($221,335), Little League Baseball Inc ($199,979).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| East Bay Bat Rays Swimming Association | 501(c)(3) | 2004 | $248,877 | $92,800 | 2025-08 |
| California Pacific Conference | 501(c)(3) | 1998 | $221,335 | $216,904 | 2025-06 |
| Little League Baseball Inc | 501(c)(3) | 1967 | $199,979 | $109,646 | 2025-09 |
| The Sequoians | 501(c)(7) | 2017 | $170,867 | $288,244 | 2024-12 |
| Norcal Lawmen Football Organization | 501(c)(3) | 2007 | $98,805 | $14,835 | 2025-12 |
| Extreme Baseball | 501(c)(3) | 2021 | $52,655 | $25,171 | 2025-12 |
| California Houndsmen for Conservation | 501(c)(4) | 2012 | $32,811 | $29,435 | 2025-12 |
| Creekside Boosters Club | 501(c)(3) | 2015 | $16,259 | $37,182 | 2025-06 |
| Bay Area Sportsmen - Banquet & Cont Est | 501(c)(3) | 2026 | |||
| Castro Valley Crocodiles Swim Team | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Castro Valley Independent Baseball League Inc | 501(c)(3) | 2025 | |||
| East Bay Spartans Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| East Bay Swim League | 501(c)(3) | 2026 | |||
| Giving Something Back Jr Golf | 501(c)(3) | 2026 | |||
| Hayward Area Travel Club | 501(c)(7) | 2017 | $0 | $0 | 2025-12 |
| Little League Baseball Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-09 |
| Oyster Bay Disc Golf Club | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| The Hermans | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| United Corporate Leagues | 501(c)(3) | 2026 | |||
| Western Region Sports Acrobatics Association | 501(c)(3) | 2012 | $0 | $0 | 2025-08 |
| Who Rescues Who | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
Other causes in Castro Valley, CA
- Religion-related 42
- Education 32
- Arts, culture and humanities 17
- Human services 16
- International, foreign affairs and national security 10
- Public and societal benefit 10
- Philanthropy, voluntarism and grantmaking foundations 8
- Health care 8
- Public safety, disaster preparedness and relief 6
- Housing and shelter 6
- Youth development 6
- Environment 6
- Animal-related 5
- Crime and legal-related 5
- Mental health and crisis intervention 4
- Community improvement and capacity building 4
- Mutual and membership benefit 3
Every nonprofit in Castro Valley, 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.