Data / Nonprofits / California / Altadena / Philanthropy, voluntarism and grantmaking foundations
Philanthropy, voluntarism and grantmaking foundations nonprofits in Altadena, CA: 12 registered with the IRS
12 philanthropy, voluntarism and grantmaking foundations nonprofits are registered with the IRS in Altadena, CA, 12 of them 501(c)(3) charities; the 4 that report revenue took in $3.8 million. The largest by revenue: Amigos de Los Rios ($3.3 million), Altadena Recovery Center ($324,481), Altadena Talks Foundation Inc ($105,894).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Amigos de Los Rios | 501(c)(3) | 2004 | $3.3 million | $2.6 million | 2024-12 |
| Altadena Recovery Center | 501(c)(3) | 2020 | $324,481 | $5,538 | 2024-12 |
| Altadena Talks Foundation Inc | 501(c)(3) | 2025 | $105,894 | $98,164 | 2025-06 |
| Melodia Mariposa | 501(c)(3) | 2022 | $52,235 | $39,246 | 2024-12 |
| Ark Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Di Massa Family Foundation | 501(c)(3) | 2014 | $194,849 | 2024-12 | |
| Fishbein Family Foundation Inc | 501(c)(3) | 2009 | $2.8 million | 2025-12 | |
| Floyd H Norris Foundation | 501(c)(3) | 2004 | $3,827 | 2025-12 | |
| JMHS 85 Foundation Inc | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| John F Merrell Charitable Foundation | 501(c)(3) | 1995 | $1.2 million | 2026-01 | |
| Soares Family Foundation | 501(c)(3) | 2011 | $2.5 million | 2024-12 | |
| Walter F Conn Foundation | 501(c)(3) | 2026 | $1 | 2025-12 |
Other causes in Altadena, CA
- Religion-related 35
- Human services 25
- Arts, culture and humanities 25
- Education 15
- Recreation and sports 9
- Youth development 8
- Housing and shelter 5
- Public and societal benefit 4
- Community improvement and capacity building 4
- Animal-related 3
- Food, agriculture and nutrition 3
- Environment 3
- Health care 3
- Mental health and crisis intervention 3
Every nonprofit in Altadena, CA · Philanthropy, voluntarism and grantmaking foundations 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.