Data / Nonprofits / California / Petaluma / Employment
Employment nonprofits in Petaluma, CA: 6 registered with the IRS
6 employment nonprofits are registered with the IRS in Petaluma, CA, 0 of them 501(c)(3) charities; the 3 that report revenue took in $507,954. The largest by revenue: Peace Officers Association of Petaluma ($203,722), American Postal Workers Union 1291 Redwood Empire Area Local Apwu ($152,616), Petaluma Staff Nurse Partnership ($151,616).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Peace Officers Association of Petaluma | 501(c)(5) | 2004 | $203,722 | $284,508 | 2024-12 |
| American Postal Workers Union 1291 Redwood Empire Area Local Apwu | 501(c)(5) | 2025 | $152,616 | $62,742 | 2025-12 |
| Petaluma Staff Nurse Partnership | 501(c)(5) | 2019 | $151,616 | $114,954 | 2025-12 |
| California Teachers Association | 501(c)(5) | 1976 | $0 | $0 | 2024-08 |
| National Association of Postal Supervisors North Coast Branch 497 | 501(c)(5) | 2014 | $0 | $0 | 2025-12 |
| Petaluma California City Employees Local Number 675 | 501(c)(5) | 2019 | $0 | $0 | 2025-12 |
Other causes in Petaluma, CA
- Arts, culture and humanities 50
- Education 47
- Recreation and sports 41
- Religion-related 31
- Human services 21
- Animal-related 19
- Philanthropy, voluntarism and grantmaking foundations 19
- Health care 14
- Environment 13
- Community improvement and capacity building 12
- Public and societal benefit 10
- Mental health and crisis intervention 7
- Youth development 6
- International, foreign affairs and national security 5
- Housing and shelter 5
- Food, agriculture and nutrition 5
- Public safety, disaster preparedness and relief 5
- Crime and legal-related 4
- Diseases, disorders and medical disciplines 3
- Science and technology 3
- Civil rights, social action and advocacy 3
Every nonprofit in Petaluma, CA · Employment 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.