Data / Nonprofits / New York / Mahopac
Nonprofits in Mahopac, NY: 81 registered with the IRS
81 nonprofits are registered with the IRS in Mahopac, NY, 59 of them 501(c)(3) charities; the 27 that report revenue took in $13.7 million. The largest by revenue: Mahopac Golf Club ($3.3 million), Putnam Northern Westchester Womens Resource Center Inc ($2.5 million), Lake Mahopac Library Association ($2.3 million). Most common causes: education (8), public and societal benefit (6), arts, culture and humanities (6).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Mahopac Golf Club | 501(c)(7) | 1974 | $3.3 million | $2.8 million | 2024-12 | |
| Putnam Northern Westchester Womens Resource Center Inc | 501(c)(3) | 1987 | $2.5 million | $1.6 million | 2025-12 | |
| Lake Mahopac Library Association | Education | 501(c)(3) | 1963 | $2.3 million | $9.2 million | 2007-06 |
| Mahopac Volunteer Fire Department Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2004 | $1.9 million | $10.8 million | 2024-12 |
| Mahopac Sports Association Inc | 501(c)(7) | 1974 | $909,830 | $737,555 | 2025-12 | |
| Putnam Recreation Program for the Handicapped Inc | 501(c)(3) | 1986 | $386,290 | $353,509 | 2024-12 | |
| Putnam Arts Council | Arts, culture and humanities | 501(c)(3) | 1968 | $323,740 | $424,504 | 2025-12 |
| Westchester Science and Engineering Fair Inc | Recreation and sports | 501(c)(3) | 2004 | $270,212 | $11,630 | 2025-06 |
| Fulmar Road Pto | 501(c)(3) | 2004 | $233,924 | $138,107 | 2025-08 | |
| Veterans Foreign Wars United States Dept N Y 5491 Greater Mahopac | 501(c)(19) | 1972 | $207,850 | $358,442 | 2026-06 | |
| Pwista-Mahopac | Education | 501(c)(3) | 2015 | $195,000 | $14,161 | 2025-12 |
| Austin Road Elementary School Pto Inc | Education | 501(c)(3) | 2015 | $191,486 | $109,257 | 2025-06 |
| Keeping Technicians Up To Date Inc | 501(c)(3) | 2007 | $187,129 | $188,632 | 2025-12 | |
| Police Association of the City of Mount Vernon Incorporated | 501(c)(5) | 2022 | $169,811 | $210,381 | 2025-12 | |
| German American Social Club | 501(c)(7) | 1988 | $119,867 | $63,055 | 2025-12 | |
| Chamber of Commerce of the Mahopacs Inc | 501(c)(6) | 1998 | $97,505 | $169,868 | 2025-04 | |
| Lakeview Elementary School Parent Teacher Organization Incorporated | Education | 501(c)(3) | 2011 | $95,782 | $66,877 | 2025-06 |
| Italian American Club of Mahopac Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $87,625 | $23,604 | 2025-12 |
| Taconic Youth Football & Cheer Organization Inc | Recreation and sports | 501(c)(3) | 2023 | $87,325 | $73,297 | 2025-12 |
| Town of Carmel Police Benevolent | 501(c)(9) | 1991 | $76,714 | $475,200 | 2025-12 | |
| Secor Sports Club Inc | 501(c)(7) | 1964 | $65,280 | $53,208 | 2025-12 | |
| New York Police & Fire Retirees Association Inc | 501(c)(5) | 1984 | $48,842 | $2,721 | 2025-12 | |
| American Friends of Creativa Camino Al Arte Ac Inc | Arts, culture and humanities | 501(c)(3) | 2024 | $16,610 | $6,576 | 2025-12 |
| Putnam Community Cares Inc | Human services | 501(c)(3) | 2008 | $5,132 | $3,173 | 2024-12 |
| Westchester Youth Dance Ensemble Inc | Arts, culture and humanities | 501(c)(3) | 2011 | $4,074 | $973 | 2024-12 |
| Mahopac Knights Father Mooney Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $3,050 | $0 | 2025-12 |
| Nami-Putnam Chapter Inc | Mental health and crisis intervention | 501(c)(3) | 2009 | $1,778 | $20,592 | 2025-12 |
| American Federation of Teachers | 501(c)(5) | 1967 | $0 | $0 | 2025-12 | |
| American Federation of Teachers | 501(c)(5) | 1967 | $0 | $0 | 2025-06 | |
| American Legion Auxiliary | 501(c)(19) | 1946 | $0 | $0 | 2025-12 | |
| American Legion Auxiliary | Public and societal benefit | 501(c)(19) | 2013 | $0 | $0 | 2025-12 |
| Asis International Inc | 501(c)(6) | 1978 | $0 | $0 | 2025-12 | |
| Association of Mahopac Administrators Welfare Plan and | Mutual and membership benefit | 501(c)(9) | 2014 | $0 | $0 | 2025-06 |
| Civil Service Employees Association | Employment | 501(c)(5) | 1970 | $0 | $0 | 2025-09 |
| Civil Service Employees Association | 501(c)(5) | 1970 | $0 | $0 | 2025-09 | |
| Club Libertad Nacional USA | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Comite Virgen Del Cisne Mahopac | Religion-related | 501(c)(3) | 2025 | |||
| Department of New York VFW Auxiliary | Public and societal benefit | 501(c)(19) | 2009 | $0 | $0 | 2026-06 |
| Federated Garden Clubs of New York State Inc | Environment | 501(c)(3) | 2006 | $0 | $0 | 2025-02 |
| For the Love of Luna Every Dog Is Perfect Rescue | Animal-related | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Fraternal Order of Police | 501(c)(8) | 1952 | $0 | $0 | 2025-06 | |
| Freedom Chapel | Religion-related | 501(c)(3) | 2026 | |||
| Friends of Dixon Lake Inc | Environment | 501(c)(3) | 2026 | |||
| Friends of Sycamore Dog Park Inc | Animal-related | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Friends of TBS Inc | Public and societal benefit | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Friends of the Mahopac Library | 501(c)(3) | 1988 | $0 | $0 | 2025-12 | |
| Geeslin Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $180,240 | 2024-12 | |
| Ghost Cat Habitat Inc | Animal-related | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Giantkids | Health care | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Gun Hill Civic Group Inc | Community improvement and capacity building | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Hameedi Foundation Inc | Human services | 501(c)(3) | 2025 | $6,233 | 2024-12 | |
| Hannah Mikus Scholarship Fund Inc | Education | 501(c)(3) | 2016 | $0 | $0 | 2023-11 |
| Hudson Valley Elite Athletics | Recreation and sports | 501(c)(3) | 2026 | |||
| Humble Heroes Homes Inc | Public and societal benefit | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Iglesia Pentecostal Camino de Santidad Mahopac | Religion-related | 501(c)(3) | 2025 | |||
| International Academy of Catholic Leaders Inc | Religion-related | 501(c)(3) | 2025 | |||
| Jennajackpack Project Inc | Human services | 501(c)(3) | 2016 | $0 | $0 | 2026-06 |
| Jerry Barsha Memorial Foundation Inc | Education | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Jewish Center of the Mahopacs Inc | 501(c)(3) | 1993 | ||||
| Jimmy McDonough Scholarship Fund | Education | 501(c)(3) | 2006 | $0 | $0 | 2024-12 |
| Kiwanis International Inc | 501(c)(4) | 1969 | $0 | $0 | 2025-09 | |
| Lake Mahopac Rotary Foundation Inc | 501(c)(3) | 1993 | $224,198 | 2025-12 | ||
| Lea Magali Jewelry | International, foreign affairs and national security | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Leaving Prints Corp | Human services | 501(c)(3) | 2026 | $0 | $0 | 2021-12 |
| Links of Love Inc | Recreation and sports | 501(c)(3) | 2024 | $0 | $676 | 2025-12 |
| Mahopac Post No 1080 in the American Legion Dept of New York | Public and societal benefit | 501(c)(19) | 2025 | $0 | $0 | 2025-12 |
| Mahopac Wolves Baseball Corp | Recreation and sports | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Metharlem Emergency Medicine Residency Fund Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2024 | |||
| Ministerio Misionero Pentecostal Vida Nueva Corp | Religion-related | 501(c)(3) | 2024 | |||
| Mount Carmel Assembly of God | 501(c)(3) | 1964 | ||||
| Mountain of Hope Global Prayer Outreach Networking Ministries Inc | Religion-related | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Our Kids Special Ed Inc | Youth development | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Putnam County Libraries Association Incorporated | Education | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Rotary International | 501(c)(4) | 1966 | $0 | $0 | 2026-06 | |
| Shirley Jaffe Foundation | Arts, culture and humanities | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| St John the Evangelist School | 501(c)(3) | 1946 | ||||
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Town of Carmel Historical Society Inc | 501(c)(3) | 2014 | $0 | $0 | 2023-12 | |
| United for the Troops | 501(c)(3) | 1964 | ||||
| Vaishali and Jayanth Krishnan Foundation Inc | Health care | 501(c)(3) | 2025 | $2,350 | 2025-12 | |
| Yonkers Police Military Veterans Association | Public and societal benefit | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
By cause in Mahopac, NY
- Education 8
- Public and societal benefit 6
- Arts, culture and humanities 6
- Religion-related 6
- Recreation and sports 5
- Human services 4
- Animal-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.