Data / Nonprofits / New York / Greenlawn
Nonprofits in Greenlawn, NY: 55 registered with the IRS
55 nonprofits are registered with the IRS in Greenlawn, NY, 47 of them 501(c)(3) charities; the 22 that report revenue took in $4.6 million. The largest by revenue: H S C No 5 Housing Development Fund Co Inc ($1.1 million), H S C No 4 Housing Developement Fund Company Inc ($796,841), H S C No 6 Housing Development Fund Company Inc ($362,354). Most common causes: education (7), recreation and sports (6), human services (6).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| H S C No 5 Housing Development Fund Co Inc | Housing and shelter | 501(c)(3) | 2002 | $1.1 million | $5.1 million | 2025-07 |
| H S C No 4 Housing Developement Fund Company Inc | 501(c)(3) | 1991 | $796,841 | $2.7 million | 2025-07 | |
| H S C No 6 Housing Development Fund Company Inc | Housing and shelter | 501(c)(3) | 2004 | $362,354 | $2.3 million | 2025-07 |
| Ollies Angels Animal Rescue | Animal-related | 501(c)(3) | 2016 | $312,749 | $81,546 | 2025-12 |
| Harborfield Booster Club Inc | 501(c)(3) | 1983 | $267,760 | $390,265 | 2025-06 | |
| Huntington Lodge No 318 Loyal Order of Moose | 501(c)(8) | 1973 | $263,518 | $740,621 | 2025-04 | |
| Aristides de Sousa Mendes Foundation-Us | Arts, culture and humanities | 501(c)(3) | 2011 | $189,751 | $298,134 | 2025-06 |
| Elwood Athletic Club | Recreation and sports | 501(c)(3) | 2008 | $171,411 | $7,385 | 2024-12 |
| Community Playhouse of Northport Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $169,370 | $42,792 | 2025-12 |
| Huntington Senior Citizens Housing Development Fund Co Inc | 501(c)(3) | 1975 | $139,917 | $3.7 million | 2025-12 | |
| Harborfields Alumni & Community Educational Fundation Inc | Education | 501(c)(3) | 2004 | $121,826 | $113,624 | 2025-06 |
| Veterans Out of the Rough Inc | Human services | 501(c)(3) | 2023 | $118,394 | $69,872 | 2025-12 |
| Greenlawn-Centerport Historical Association | Housing and shelter | 501(c)(3) | 2014 | $110,937 | $790,984 | 2025-05 |
| Living Waters NGT Association Inc | Human services | 501(c)(3) | 2015 | $105,829 | $184,522 | 2025-12 |
| Positive Behavior Support Community Foundation | Human services | 501(c)(3) | 2014 | $100,215 | $81,813 | 2025-12 |
| Harborfields Lacross Club Inc | Recreation and sports | 501(c)(3) | 2002 | $67,649 | $68,019 | 2025-12 |
| American Legion | 501(c)(19) | 1946 | $57,742 | $95,813 | 2025-12 | |
| Harborfields Alliance for Community Outreach Inc | Education | 501(c)(3) | 2009 | $45,918 | $15,291 | 2025-06 |
| Pta New York Congress | 501(c)(3) | 1954 | $39,569 | $17,263 | 2026-06 | |
| 2ND PCT Fellowship Inc | Public and societal benefit | 501(c)(3) | 2018 | $15,484 | $23,883 | 2024-12 |
| Ryan John Weiss Memorial Fund | Human services | 501(c)(3) | 2017 | $9,318 | $99,792 | 2025-12 |
| Amanda Cullinan Foundation | Youth development | 501(c)(3) | 2022 | $3,730 | $32,157 | 2023-12 |
| Bethpage High School Football Booster Club | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Bittime Foundation Inc | Science and technology | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Blue Wave Wrestling Inc | Recreation and sports | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Carols Kids | Education | 501(c)(3) | 2026 | $0 | $0 | 2025-11 |
| Central Council of the Society of St Vincent de Paul in the Diocese | Human services | 501(c)(3) | 2009 | $0 | $0 | 2025-09 |
| Copernicus Scholarship Charitable Fund Inc | Human services | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Ebenezer Wesleyan Church | 501(c)(3) | 1970 | ||||
| Elizabeth Potter Society Nscar | Education | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Federated Garden Clubs of New York State Inc | Environment | 501(c)(3) | 2006 | $0 | $0 | 2026-02 |
| Free & Accepted Masons of New York | 501(c)(10) | 1940 | $0 | $0 | 2025-12 | |
| Friends of the Harborfields Public Library | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Greek Orthodox Church of Huntington | Religion-related | 501(c)(3) | 2022 | |||
| Greenlawn Beach and Swim Club | Recreation and sports | 501(c)(7) | 2026 | |||
| Greenlawn Civic Association Inc | 501(c)(4) | 1993 | $0 | $0 | 2024-12 | |
| H S C No2 Housing Development Fund Company Inc | 501(c)(3) | 1994 | $0 | $156 | 2025-12 | |
| Harborfields Public Library | Education | 501(c)(3) | 2007 | |||
| International Association of Lions Clubs | 501(c)(4) | 1940 | $0 | $0 | 2026-06 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Long Island Central Korean Church | 501(c)(3) | 1983 | ||||
| Ministerio Fraternidad Cristiana Inc | Religion-related | 501(c)(3) | 2021 | |||
| NHRG Private Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2011 | $286,589 | 2025-12 | |
| Past Masters Association of the 9TH Manhattan District F & A M Inc | 501(c)(4) | 1942 | $0 | $0 | 2025-12 | |
| Pastmasters Assoc 9TH Manhattan District Charitable Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2025-06 | |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2026-06 | |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2025-06 | |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2026-06 | |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2026-06 | |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2026-06 | |
| Ribbons Rising Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Suffolk Piano Teachers Foundation | Education | 501(c)(3) | 2004 | $0 | $0 | 2025-06 |
| Town of Huntington Firemans Softball League Inc | Recreation and sports | 501(c)(3) | 2025 | |||
| Uth Jeans for A Cause | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 |
By cause in Greenlawn, NY
- Education 7
- Recreation and sports 6
- Human services 6
- Philanthropy, voluntarism and grantmaking foundations 4
- Housing and shelter 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.