Data / Nonprofits / California / Sonoma / Community improvement and capacity building
Community improvement and capacity building nonprofits in Sonoma, CA: 10 registered with the IRS
10 community improvement and capacity building nonprofits are registered with the IRS in Sonoma, CA, 5 of them 501(c)(3) charities; the 2 that report revenue took in $4.2 million. The largest by revenue: Chips Network Inc ($3.3 million), Sonoma Tourism Improvement District Corporation ($892,447).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Chips Network Inc | 501(c)(3) | 2013 | $3.3 million | $4.3 million | 2024-12 |
| Sonoma Tourism Improvement District Corporation | 501(c)(6) | 2012 | $892,447 | $1 million | 2025-06 |
| Cornerstone Foundation USA | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| NCGR Professional Astrologers Alliance Inc | 501(c)(6) | 2009 | $0 | $0 | 2026-06 |
| North Bay LGBTQ Community & Visitor S Center | 501(c)(3) | 2025 | |||
| Oak Cove Association | 501(c)(7) | 2014 | $0 | $0 | 2025-12 |
| Rebuild North Bay | 501(c)(4) | 2018 | $0 | $0 | 2025-09 |
| Sonoma Community Collective | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Sonoma Community Tennis Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Sonoma County Coalition of Hosts and Friends | 501(c)(6) | 2025 | $0 | $0 | 2025-12 |
Other causes in Sonoma, CA
- Mutual and membership benefit 47
- Arts, culture and humanities 34
- Education 32
- Recreation and sports 20
- Human services 14
- Philanthropy, voluntarism and grantmaking foundations 14
- Religion-related 11
- Animal-related 9
- Food, agriculture and nutrition 7
- Mental health and crisis intervention 6
- Housing and shelter 5
- Environment 5
- Public safety, disaster preparedness and relief 5
- Youth development 4
- International, foreign affairs and national security 4
- Crime and legal-related 3
- Civil rights, social action and advocacy 3
- Health care 3
- Medical research 3
- Public and societal benefit 3
Every nonprofit in Sonoma, 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.