Data / Nonprofits / New York / Nassau
Nonprofits in Nassau, NY: 29 registered with the IRS
29 nonprofits are registered with the IRS in Nassau, NY, 20 of them 501(c)(3) charities; the 6 that report revenue took in $1.3 million. The largest by revenue: Nassau Ambulance ($651,625), Nassau Free Library ($220,084), New York State Camp Directors Association ($167,300). Most common causes: religion-related (4), education (3), recreation and sports (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Nassau Ambulance | Health care | 501(c)(3) | 2022 | $651,625 | $1 million | 2025-12 |
| Nassau Free Library | 501(c)(3) | 1973 | $220,084 | $326,164 | 2025-12 | |
| New York State Camp Directors Association | 501(c)(6) | 1974 | $167,300 | $293,752 | 2025-12 | |
| Chandler-Young Veterans Association | Public and societal benefit | 501(c)(19) | 2015 | $90,815 | $105,713 | 2024-12 |
| Crane Soccer Club | Recreation and sports | 501(c)(3) | 2007 | $72,449 | $41,892 | 2025-12 |
| Castleton Cemetery Association | 501(c)(13) | 1941 | $64,245 | $1 million | 2025-12 | |
| American Brittany Club Inc | 501(c)(7) | 1974 | $0 | $0 | 2023-12 | |
| American Legion Auxiliary | 501(c)(19) | 1946 | $0 | $0 | 2025-09 | |
| Amvets | 501(c)(19) | 1945 | $0 | $0 | 2025-08 | |
| Catherine and Carl Mueller Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $777,815 | 2025-12 | |
| Chandler-Young Post No 8162 Veterans of Foreign Wars of the | Public and societal benefit | 501(c)(19) | 2014 | $0 | $0 | 2025-12 |
| DPS Pto Inc | Education | 501(c)(3) | 2022 | $0 | $0 | 2026-06 |
| Disciples of the Good Shepherd Inc | Religion-related | 501(c)(3) | 2026 | |||
| East Side Quilters | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Fire Service Women of New York State Inc | Education | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Ichabod Crane Community Assistance Fund | Human services | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Islamic Sufi Order of Qadiri Rifai Tariqa of the Americas | Religion-related | 501(c)(3) | 1996 | |||
| Nassau Hose Company 1 | Public safety, disaster preparedness and relief | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Nassau Park Lake Improvement Association | Recreation and sports | 501(c)(7) | 2015 | $0 | $0 | 2025-12 |
| Nassau Reformed Church | 501(c)(3) | 1986 | ||||
| Nassau Schodack Cemetery Assoc | Mutual and membership benefit | 501(c)(13) | 2020 | $0 | $0 | 2025-12 |
| Nassau Sunshine Fund | Human services | 501(c)(3) | 2010 | $0 | $0 | 2025-06 |
| Nassau Synagogue & Jewish Community Center | Religion-related | 501(c)(3) | 2007 | |||
| New Hope for Life Ministries | Religion-related | 501(c)(3) | 1997 | |||
| No-Charge Cards | Youth development | 501(c)(3) | 2003 | $31,168 | 2025-12 | |
| Northeast Center for Spiritual Growth Inc | Human services | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Pop Warner Little Scholars Inc | 501(c)(3) | 1990 | $0 | $0 | 2024-12 | |
| Protect Raquette Lake Inc | Environment | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| The United States Pony Clubs Inc | Recreation and sports | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
By cause in Nassau, NY
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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.