Data / Nonprofits / New York / Water Mill
Nonprofits in Water Mill, NY: 38 registered with the IRS
38 nonprofits are registered with the IRS in Water Mill, NY, 33 of them 501(c)(3) charities; the 14 that report revenue took in $22.8 million. The largest by revenue: Parrish Art Museum Inc ($14.7 million), Byrd Hoffman Water Mill Foundation ($3.6 million), Hamptons Community Outreach Inc ($3.3 million). Most common causes: arts, culture and humanities (7), philanthropy, voluntarism and grantmaking foundations (5), religion-related (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Parrish Art Museum Inc | Arts, culture and humanities | 501(c)(3) | 1959 | $14.7 million | $46.4 million | 2024-12 |
| Byrd Hoffman Water Mill Foundation | Arts, culture and humanities | 501(c)(3) | 2001 | $3.6 million | $44.1 million | 2024-12 |
| Hamptons Community Outreach Inc | Arts, culture and humanities | 501(c)(3) | 2019 | $3.3 million | $1.3 million | 2025-12 |
| Water Mill Community Club Inc | 501(c)(4) | 1968 | $207,759 | $809,276 | 2024-12 | |
| Water Mill Village Improvement Association Inc | Community improvement and capacity building | 501(c)(3) | 1987 | $197,622 | $385,579 | 2025-07 |
| Water Mill Museum | Arts, culture and humanities | 501(c)(3) | 2000 | $162,327 | $561,066 | 2025-12 |
| Mecox Bay Conservancy Inc | Environment | 501(c)(3) | 2024 | $127,547 | $1.2 million | 2025-12 |
| East End Special Players Inc | Recreation and sports | 501(c)(3) | 1995 | $119,986 | $145,022 | 2024-12 |
| Flying Point Foundation for Autism | Public safety, disaster preparedness and relief | 501(c)(3) | 2009 | $111,186 | $327,597 | 2024-12 |
| Clayart Guild of the Hamptons Inc | Arts, culture and humanities | 501(c)(3) | 2002 | $71,530 | $73,509 | 2025-12 |
| Little League Baseball Inc | 501(c)(3) | $63,929 | $10,006 | 2025-09 | ||
| Kadampa Meditation Center the Hamptons | Religion-related | 501(c)(3) | 2012 | $55,721 | $72,302 | 2021-12 |
| JC for JD | Medical research | 501(c)(3) | 2011 | $31,145 | $323,982 | 2024-12 |
| The Jewish Cemetery Association of Sag Harbor | 501(c)(13) | 1998 | $26,182 | $328,661 | 2025-12 | |
| American Friends of Castro Projects Inc | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Committee for A Green South Fork | Environment | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Edward T Habermann and Susan B Koehn Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $708,222 | 2025-12 | |
| Enstine Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $14,950 | 2025-08 | |
| Farbman Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $1.1 million | 2025-12 | |
| Francescos Foundation Action Allian Ce Inc | Mental health and crisis intervention | 501(c)(4) | 2026 | $0 | $0 | 2025-12 |
| Francescos Foundation Incorporated | Mental health and crisis intervention | 501(c)(3) | 2023 | $0 | $0 | 2026-04 |
| Fredman Family Foundation Inc | 501(c)(3) | 2010 | $52 million | 2024-12 | ||
| Golden Family Foundation | 501(c)(3) | 1989 | $3.9 million | 2025-06 | ||
| Grace Presbyterian Church | 501(c)(3) | 1974 | ||||
| Hampton Velo Corp | Recreation and sports | 501(c)(3) | 2003 | $0 | $0 | 2023-07 |
| Hamptons Community Outreach Inc | Human services | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Iloveukraine Corp | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Janet and Robert W Postma Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $4.1 million | 2025-12 | |
| L I F E Church Inc | Religion-related | 501(c)(3) | 2024 | |||
| Meoh Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $1.2 million | 2025-12 | |
| New Thought Spiritual Center of Eastern Long Island | Religion-related | 501(c)(3) | 2012 | |||
| South Fork Craftsmens Guild | 501(c)(6) | 1996 | $0 | $0 | 2025-12 | |
| Southampton Golf Club Foundation in C | Public safety, disaster preparedness and relief | 501(c)(3) | 2026 | |||
| Southampton Trail Preservation Society LTD | Civil rights, social action and advocacy | 501(c)(3) | 1991 | $0 | $0 | 2026-04 |
| Terranova Inc | Arts, culture and humanities | 501(c)(3) | 1998 | $1 | 2024-12 | |
| Truce Foundation of the USA | International, foreign affairs and national security | 501(c)(3) | 2024 | |||
| Water Mill Cemetery Corporation | Mutual and membership benefit | 501(c)(13) | 2015 | $0 | $0 | 2025-12 |
| Water Mill Community Club Educational Unit | 501(c)(3) | 1968 | $0 | $0 | 2025-12 |
By cause in Water Mill, NY
- Arts, culture and humanities 7
- Philanthropy, voluntarism and grantmaking foundations 5
- Religion-related 3
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.