Data / Nonprofits / New York / Mamaroneck
Nonprofits in Mamaroneck, NY: 151 registered with the IRS
151 nonprofits are registered with the IRS in Mamaroneck, NY, 124 of them 501(c)(3) charities; the 68 that report revenue took in $189.1 million. The largest by revenue: Jewish Home Lifecare Sarah Neuman Center Westchester ($48 million), French American School of New York Inc ($34.5 million), Winged Foot Golf Club Inc ($26.7 million). Most common causes: arts, culture and humanities (15), religion-related (14), philanthropy, voluntarism and grantmaking foundations (13).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Jewish Home Lifecare Sarah Neuman Center Westchester | Health care | 501(c)(3) | 1991 | $48 million | $38 million | 2024-12 |
| French American School of New York Inc | Arts, culture and humanities | 501(c)(3) | 1981 | $34.5 million | $54.8 million | 2025-06 |
| Winged Foot Golf Club Inc | 501(c)(7) | 1949 | $26.7 million | $45.1 million | 2024-12 | |
| Human Development Services of Westchester | Mental health and crisis intervention | 501(c)(3) | 1980 | $16.2 million | $10.8 million | 2025-12 |
| Beach Point Club Inc | 501(c)(7) | 1942 | $10.9 million | $6.3 million | 2025-09 | |
| Orienta Beach Club Inc | 501(c)(7) | 1943 | $8.3 million | $12.5 million | 2024-12 | |
| Hampshire Club Inc | Mutual and membership benefit | 501(c)(7) | 2015 | $7.4 million | $4.5 million | 2025-09 |
| White Lotus Philanthropy LTD | Religion-related | 501(c)(3) | 2018 | $7.2 million | $7.7 million | 2024-12 |
| Westchester Hebrew High School | Education | 501(c)(3) | 1971 | $2.7 million | $805,883 | 2025-08 |
| Mamaroneck Beach & Yacht Club & Spa Inc | Recreation and sports | 501(c)(7) | 2025 | $2.6 million | $3 million | 2023-12 |
| Hispanic Resource Center of Larchmont Mamaroneck Inc | Human services | 501(c)(3) | 2000 | $2.5 million | $4.9 million | 2024-12 |
| Emelin Theatre for the Performing Arts Inc | Arts, culture and humanities | 501(c)(3) | 1991 | $1.7 million | $1.8 million | 2025-05 |
| Intercity Insurance Fund | 501(c)(9) | 1994 | $1.5 million | $218,745 | 2024-12 | |
| Larchmont Mamaroneck FC Inc | Recreation and sports | 501(c)(3) | 2001 | $1.5 million | $685,912 | 2024-12 |
| Mamaroneck Community Nursery School | Education | 501(c)(3) | 1981 | $1.5 million | $2.5 million | 2025-06 |
| South East Consortium for Special Services Inc | Human services | 501(c)(3) | 1982 | $1.3 million | $2.4 million | 2025-12 |
| Larchmont-Mamaroneck Community Television Inc | Arts, culture and humanities | 501(c)(3) | 1985 | $1.2 million | $1.5 million | 2024-12 |
| Ypo Inc | 501(c)(6) | 1989 | $1.2 million | $943,020 | 2025-06 | |
| Ypo Inc | 501(c)(6) | 1989 | $1.1 million | $614,349 | 2025-06 | |
| Friends of the Counseling Center Inc | Mental health and crisis intervention | 501(c)(3) | 1977 | $958,448 | $2.9 million | 2024-12 |
| Ypo Inc | 501(c)(6) | 1989 | $905,218 | $484,170 | 2025-06 | |
| WJC Cemetery Association Inc | 501(c)(13) | 1990 | $866,893 | $6.1 million | 2025-06 | |
| Center for Continuing Education Inc | Education | 501(c)(3) | 1974 | $584,190 | $438,641 | 2025-05 |
| Music Studio of Westchester Inc | 501(c)(3) | 1996 | $548,093 | $263,284 | 2025-08 | |
| Shore Acres Point Corporation | 501(c)(4) | 1949 | $534,921 | $2 million | 2024-12 | |
| Main Idea Inc | 501(c)(3) | 1969 | $498,393 | $1.8 million | 2024-12 | |
| American Federation of Teachers | 501(c)(5) | 1970 | $497,396 | $389,598 | 2025-06 | |
| New York Coalition for Healthy School Lunches Inc | Education | 501(c)(3) | 2005 | $440,629 | $440,743 | 2024-12 |
| Orienta Yacht Club of Mamaroneck | 501(c)(7) | 1974 | $425,395 | $1.2 million | 2025-09 | |
| Winged Foot Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $398,771 | $1.4 million | 2024-12 |
| Ypo Manhattan Gold Inc | Community improvement and capacity building | 501(c)(6) | 2019 | $393,592 | $271,399 | 2025-06 |
| Alliance Francaise of Westchester Inc | Arts, culture and humanities | 501(c)(3) | 1966 | $353,737 | $67,214 | 2025-06 |
| Family Office Principles Inc | Community improvement and capacity building | 501(c)(6) | 2017 | $352,000 | $280,460 | 2024-12 |
| Pennpac Inc | Community improvement and capacity building | 501(c)(3) | 2013 | $320,570 | $465,224 | 2025-06 |
| Police Benevolent Association Ofthe Village of Mamaroneck Inc | 501(c)(5) | 2001 | $311,864 | $271,301 | 2025-06 | |
| Mamaroneck Youth Football League Inc | Recreation and sports | 501(c)(3) | 2011 | $307,919 | $484,627 | 2025-05 |
| Pta New York Congress | 501(c)(3) | 1954 | $253,056 | $232,238 | 2025-06 | |
| New York Association of Mortgage Brokers Inc | 501(c)(6) | 1988 | $237,594 | $213,124 | 2024-12 | |
| At Home On the Sound Inc | Human services | 501(c)(3) | 2009 | $215,342 | $338,704 | 2025-06 |
| Kool Nerd Foundation Inc | Education | 501(c)(3) | 2020 | $202,487 | $79,352 | 2025-12 |
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1951 | $175,956 | $475,781 | 2026-03 | |
| Powher New York Inc | Community improvement and capacity building | 501(c)(3) | 2015 | $146,882 | $100,971 | 2024-12 |
| World Ayyappa Seva Tatwasamaj | Religion-related | 501(c)(3) | 2015 | $143,807 | $960,779 | 2025-12 |
| Pta New York Congress | 501(c)(3) | 1985 | $143,390 | $211,365 | 2025-06 | |
| Yacht Racing Assoc of Long Island Sound Inc | 501(c)(4) | 1942 | $137,272 | $216,812 | 2025-10 | |
| Friends of Tsad Kadima | International, foreign affairs and national security | 501(c)(3) | 1994 | $129,098 | $25,788 | 2026-06 |
| Sound Shore St Patricks Day Parade Inc | Arts, culture and humanities | 501(c)(3) | 2012 | $107,730 | $40,042 | 2025-06 |
| Rye Neck Dads Club | 501(c)(3) | 1973 | $100,370 | $39,287 | 2025-06 | |
| 1925 Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | $86,485 | $58,298 | 2025-09 |
| Mamaroneck Emergency Medical Service Inc | 501(c)(3) | 2006 | $81,104 | $721,444 | 2025-12 | |
| Womans Club of Mamaroneck Inc | 501(c)(4) | 1959 | $75,419 | $131,902 | 2025-06 | |
| Artistree Community Theater Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $63,281 | $19,271 | 2025-12 |
| Livingkind Inc | Environment | 501(c)(3) | 2002 | $60,525 | $532,432 | 2025-06 |
| Mamaroneck Chamber of Commerce Inc | Community improvement and capacity building | 501(c)(6) | 1978 | $55,157 | $35,265 | 2025-12 |
| Mamaroneck Historical Society | 501(c)(3) | 1981 | $52,911 | $107,340 | 2025-12 | |
| Centro Familiar Cristiano Inc | Religion-related | 501(c)(3) | 2024 | $39,339 | $180,782 | 2025-12 |
| Columbia Engine & Hose Co 2 Corp | Public safety, disaster preparedness and relief | 501(c)(3) | 2024 | $36,844 | $46,191 | 2025-12 |
| Anzafrika | Community improvement and capacity building | 501(c)(3) | 2018 | $29,461 | $42,008 | 2024-12 |
| Trinity College School Fund Inc | 501(c)(3) | 1966 | $29,284 | $482,917 | 2025-06 | |
| Friends of Humam Development Services of Westchester Inc | Mental health and crisis intervention | 501(c)(3) | 1987 | $21,819 | $198,329 | 2025-12 |
| St Michael S Angels Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2025 | $21,554 | $20,731 | 2025-12 |
| Pure Creative Arts | Arts, culture and humanities | 501(c)(3) | 2016 | $18,349 | $2,210 | 2025-12 |
| Harbor Island Conservancy Inc | Environment | 501(c)(3) | 2002 | $9,516 | $59,947 | 2024-12 |
| Youth Alternatives To Incarceration Inc | Crime and legal-related | 501(c)(3) | 2024 | $8,600 | $7,833 | 2025-12 |
| Seth J Kahn Memorial Foundation | Education | 501(c)(3) | 2010 | $3,780 | $25,401 | 2025-12 |
| Off Center Dance Theatre Inc | Education | 501(c)(3) | 1992 | $3,210 | $34,459 | 2025-12 |
| Pankerkyraikos Association of America Inc | Arts, culture and humanities | 501(c)(3) | 2015 | $2,639 | $9,363 | 2025-12 |
| Keeps Inc | Human services | 501(c)(3) | 1989 | $1,455 | $846 | 2025-06 |
| Alliance of Green Schools and Communities Inc | Environment | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| American Federation of Teachers | 501(c)(5) | 1945 | $0 | $0 | 2025-06 | |
| Arat Laro Foundation | Youth development | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| At Liberty Ministries | Civil rights, social action and advocacy | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Autism Dreams Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Bradley L Goldberg Family Foundatio | 501(c)(3) | 1985 | $6.9 million | 2025-12 | ||
| Catalyst Foundation | 501(c)(3) | 1993 | $3.7 million | 2025-12 | ||
| Chabad Lubavitch of Larchmont Andmamaroneck Inc | Religion-related | 501(c)(3) | 2007 | |||
| Children of the Ganges | International, foreign affairs and national security | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Christian Cathedral of Praise Church of God Inc | Religion-related | 501(c)(3) | 2025 | |||
| Civil Service Employees Association Town of Mamoroneck 8222-000860 | 501(c)(5) | 1970 | $0 | $0 | 2025-09 | |
| Coptic Orthodox Church of the Virgin Mary & St Demiana | 501(c)(3) | 1992 | ||||
| David Goldstein Foundation Inc | 501(c)(3) | 1949 | $76,148 | 2025-12 | ||
| Eugenie S Wright Foundation Inc | 501(c)(3) | 1969 | $624,971 | 2025-12 | ||
| Fass Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | |||
| Foulke Foundation Trust Ua 011593 | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1995 | $603,364 | 2025-12 | |
| Friends of Keeseville Inc | Public and societal benefit | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Friends of the Mamaroneck Library | Human services | 501(c)(3) | 2014 | $0 | $0 | 2023-05 |
| Friends of the Marine Education Center Inc | Animal-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Friends of the Weinberg Nature Center Inc | 501(c)(3) | 1992 | $0 | $0 | 2025-12 | |
| Goat2school Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Goldas Light Foundation Inc | Public and societal benefit | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Harvest Church Inc | Religion-related | 501(c)(3) | 2025 | |||
| Iglesia La Luz de Jesus Inc | Religion-related | 501(c)(3) | 2020 | |||
| Iglesia Pentecostal El Cordero de Dios | Religion-related | 501(c)(3) | 1964 | |||
| Iglesia de Cristo Palabra de Vida Inc | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Jatoma Charitable Foundation Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $1.4 million | 2025-11 | |
| Karrey Childrens Center Inc | 501(c)(3) | 1980 | $5,263 | 2025-08 | ||
| Keeseville Community Development Corporation | Community improvement and capacity building | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Kyoichi A Watanabe Family Foundation Inc | Medical research | 501(c)(3) | 2014 | $1.2 million | 2025-12 | |
| Larchmont Mamaroneck Lions Foundation Inc | Human services | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Larchmont-Mamaroneck Local Summit Inc | Human services | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Lewis Pugh Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Life Church New York | Religion-related | 501(c)(3) | 2010 | |||
| Life of God Christian Ministry | 501(c)(3) | 1964 | ||||
| Mamaroneck Community Chorus Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Mamaroneck Public Library District | 501(c)(3) | 2006 | ||||
| Mamaroneck Student Capital Inc | Youth development | 501(c)(3) | 2025 | $0 | $0 | 2025-06 |
| Michael H Ludwig Memorial Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Most Holy Trinity Society of Mamaroneck Inc | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| New York Committee - Nmwa Inc | Arts, culture and humanities | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| New York Shinbu-Kan Kendo Dojo Inc | Recreation and sports | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| New York State Digital Equity Netwo RK Inc | Community improvement and capacity building | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Orenova Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $591,937 | 2026-03 | |
| Our Time To Own Now | Education | 501(c)(3) | 2025 | |||
| Pathways To Progress Foundation Inc | Public and societal benefit | 501(c)(3) | 2025 | $930,578 | 2025-12 | |
| Periodic Paralysis International Inc | Medical research | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Project Rebirth Inc | Arts, culture and humanities | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2026-06 | |
| Rafferty Family Private Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $849,727 | 2024-12 | |
| Reclaiming Our Children Inc | Civil rights, social action and advocacy | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Richard and Elizabeth Witten Fam Foundation | 501(c)(3) | 1992 | $8.6 million | 2025-05 | ||
| Rise Above Social Issues Foundation Inc | Youth development | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Robert L Fine Cancer Research Laboratory Foundation Inc | Medical research | 501(c)(3) | 2001 | $4.9 million | 2025-12 | |
| Roman Catholic Church of Saint Vito and Most Holy Trinity | 501(c)(3) | 1946 | ||||
| Rye Neck Alumni Association Inc | Education | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Rye Neck Lacrosse Club | Recreation and sports | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Rye Neck Student Aid Fund Inc | 501(c)(3) | 1966 | $0 | $0 | 2024-12 | |
| Shalom Yisrael Inc | Religion-related | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Social and Activities Concepts | Health care | 501(c)(3) | 1998 | $0 | $17,381 | 2025-08 |
| Sole Mission Inc | Human services | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Sons of Italy in America | 501(c)(8) | 1941 | $0 | $0 | 2025-09 | |
| Soul Winning Mission | 501(c)(3) | 1995 | ||||
| St Thomas Orchestra Inc | Arts, culture and humanities | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Stage Love Theater Company Inc | Arts, culture and humanities | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Strait Gate Church | Religion-related | 501(c)(3) | 1997 | |||
| The Baseline Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| The First Baptist Church of Mamaroneck Inc | Religion-related | 501(c)(3) | 1997 | |||
| The N Foundation | 501(c)(3) | 1987 | $1 | 2025-08 | ||
| The New Bridges Coalition | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| The Petrillo Family Foundation Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $272,541 | 2024-12 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Trinity Independent Assembly of God | 501(c)(3) | 1964 | ||||
| Turkish Moms Inc | Human services | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| United Ally Network Inc | Human services | 501(c)(3) | 2026 | |||
| Verni Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2005 | $209,394 | 2025-10 | |
| Westchester Accuiel Corp | Recreation and sports | 501(c)(7) | 2012 | $0 | $0 | 2024-12 |
| Westchester Day School | 501(c)(3) | 1989 | ||||
| Westchester Jewish Center | 501(c)(3) | 1991 | 2025-06 | |||
| Westchester Music Festival Inc | Arts, culture and humanities | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Youth Employment Service of Larchmont-Mamaroneck Inc | 501(c)(3) | 1965 | $0 | $0 | 2025-07 |
By cause in Mamaroneck, NY
- Arts, culture and humanities 15
- Religion-related 14
- Philanthropy, voluntarism and grantmaking foundations 13
- 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
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.