Data / Nonprofits / New York / Mamaroneck / Philanthropy, voluntarism and grantmaking foundations
Philanthropy, voluntarism and grantmaking foundations nonprofits in Mamaroneck, NY: 13 registered with the IRS
13 philanthropy, voluntarism and grantmaking foundations nonprofits are registered with the IRS in Mamaroneck, NY, 13 of them 501(c)(3) charities; the 2 that report revenue took in $485,256. The largest by revenue: Winged Foot Foundation Inc ($398,771), 1925 Foundation Inc ($86,485).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Winged Foot Foundation Inc | 501(c)(3) | 2021 | $398,771 | $1.4 million | 2024-12 |
| 1925 Foundation Inc | 501(c)(3) | 2026 | $86,485 | $58,298 | 2025-09 |
| Fass Family Foundation | 501(c)(3) | 2025 | |||
| Foulke Foundation Trust Ua 011593 | 501(c)(3) | 1995 | $603,364 | 2025-12 | |
| Goat2school Inc | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Jatoma Charitable Foundation Trust | 501(c)(3) | 2000 | $1.4 million | 2025-11 | |
| Lewis Pugh Foundation Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Michael H Ludwig Memorial Foundation | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Orenova Foundation Inc | 501(c)(3) | 2002 | $591,937 | 2026-03 | |
| Rafferty Family Private Foundation | 501(c)(3) | 2010 | $849,727 | 2024-12 | |
| The Baseline Foundation Inc | 501(c)(3) | 2026 | |||
| The Petrillo Family Foundation Trust | 501(c)(3) | 2001 | $272,541 | 2024-12 | |
| Verni Foundation Inc | 501(c)(3) | 2005 | $209,394 | 2025-10 |
Other causes in Mamaroneck, NY
- Arts, culture and humanities 15
- Religion-related 14
- Human services 10
- Education 9
- Community improvement and capacity building 8
- Recreation and sports 6
- Mental health and crisis intervention 3
- Medical research 3
- Environment 3
- Public and societal benefit 3
- Youth development 3
Every nonprofit in Mamaroneck, NY · 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.