Data / Nonprofits / California / Castro Valley / Community improvement and capacity building
Community improvement and capacity building nonprofits in Castro Valley, CA: 4 registered with the IRS
4 community improvement and capacity building nonprofits are registered with the IRS in Castro Valley, CA, 2 of them 501(c)(3) charities; the 2 that report revenue took in $265,144. The largest by revenue: School Personnel Commissioners Association of Northern California ($263,101), Rotary Club of Castro Valley Endowment ($2,043).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| School Personnel Commissioners Association of Northern California | 501(c)(6) | 2022 | $263,101 | $191,155 | 2025-06 |
| Rotary Club of Castro Valley Endowment | 501(c)(3) | 1993 | $2,043 | $319,722 | 2025-06 |
| East Bay Business Connection | 501(c)(6) | 2025 | $0 | $0 | 2025-12 |
| Laugh and Learn Center | 501(c)(3) | 2026 |
Other causes in Castro Valley, CA
- Religion-related 42
- Education 32
- Recreation and sports 21
- 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
- Mutual and membership benefit 3
Every nonprofit in Castro Valley, CA · Community improvement and capacity building 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.