Data / Nonprofits / California / Angwin
Nonprofits in Angwin, CA: 21 registered with the IRS
21 nonprofits are registered with the IRS in Angwin, CA, 16 of them 501(c)(3) charities; the 13 that report revenue took in $52 million. The largest by revenue: Pacific Union College ($47.3 million), Credit Unions in the State of California ($2.6 million), Howell Mountain Mutual Water Company ($691,769). Most common causes: philanthropy, voluntarism and grantmaking foundations (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Pacific Union College | Education | 501(c)(3) | 1947 | $47.3 million | $81.4 million | 2025-06 |
| Credit Unions in the State of California | 501(c)(14) | 1979 | $2.6 million | $50.3 million | 2025-12 | |
| Howell Mountain Mutual Water Company | Mutual and membership benefit | 501(c)(12) | 2004 | $691,769 | $2.7 million | 2025-12 |
| Howell Mountain Wine Auction | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $254,044 | $219,612 | 2024-12 |
| Zoz Amba Foundation | International, foreign affairs and national security | 501(c)(3) | 2016 | $238,469 | $2,832 | 2025-12 |
| Howell Mountain Vintners &GROWERS A Ssociation | Community improvement and capacity building | 501(c)(6) | 2005 | $223,992 | $202,470 | 2024-12 |
| Ethiopian Advent Fellowship | Religion-related | 501(c)(3) | 2020 | $218,332 | $211,049 | 2025-12 |
| LLT Productions | 501(c)(3) | 1992 | $149,202 | $105,314 | 2025-12 | |
| All To Heaven | International, foreign affairs and national security | 501(c)(3) | 2020 | $119,340 | $12,453 | 2025-12 |
| Linda Vista Mutual Water Company | Community improvement and capacity building | 501(c)(12) | 2007 | $104,753 | $519,783 | 2025-12 |
| Angwin Volunteer Fire Department | Public safety, disaster preparedness and relief | 501(c)(3) | 2007 | $90,537 | $789,354 | 2025-12 |
| Save Napa Valley Foundation | Environment | 501(c)(3) | 2020 | $60,792 | $31,819 | 2025-06 |
| Howell Mountain Education Foundation | Education | 501(c)(3) | 1999 | $5 | $51,479 | 2025-12 |
| Brotherhood of the Knights of the Vine | 501(c)(10) | 1977 | ||||
| Carpy Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $1.7 million | 2025-06 | |
| Pacific Union College Elementary School | 501(c)(3) | 1947 | ||||
| Pacific Union College Prep School | 501(c)(3) | 1947 | ||||
| Psi Chi the National Honor Society in Psychology | 501(c)(3) | 1957 | $0 | $0 | 2025-06 | |
| The Paul and Betty Woolls Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $294,905 | 2025-10 | |
| The University of Spiritual Healing and Sufism Through the Religion of | Religion-related | 501(c)(3) | 2003 | |||
| Wine Education Trust | 501(c)(3) | 1992 | $0 | $0 | 2025-12 |
By cause in Angwin, CA
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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.