Data / Nonprofits / Massachusetts / Winthrop
Nonprofits in Winthrop, MA: 81 registered with the IRS
81 nonprofits are registered with the IRS in Winthrop, MA, 67 of them 501(c)(3) charities; the 26 that report revenue took in $20.7 million. The largest by revenue: For Kids Only Afterschool Incorporated ($11.3 million), Winthrop Golf Club ($1.7 million), Winthrop Yacht Club ($1.3 million). Most common causes: recreation and sports (17), education (7), human services (6).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| For Kids Only Afterschool Incorporated | Human services | 501(c)(3) | 1990 | $11.3 million | $18.2 million | 2025-08 |
| Winthrop Golf Club | Recreation and sports | 501(c)(7) | 2002 | $1.7 million | $384,163 | 2025-10 |
| Winthrop Yacht Club | 501(c)(7) | 1991 | $1.3 million | $1.7 million | 2024-11 | |
| Cottage Park Yacht Club | 501(c)(7) | 1942 | $1.3 million | $2.5 million | 2025-12 | |
| College Hockey Inc | Recreation and sports | 501(c)(3) | 2010 | $831,780 | $926,734 | 2025-08 |
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1951 | $643,127 | $1.2 million | 2025-03 | |
| Community Against Substance Abuseinc | Human services | 501(c)(3) | 2007 | $612,170 | $127,734 | 2025-09 |
| New England Womens Hockey Alliance | Recreation and sports | 501(c)(3) | 2019 | $581,947 | $112,792 | 2025-06 |
| Great Northeast Athletic Conference Inc | Education | 501(c)(3) | 2014 | $555,652 | $370,656 | 2025-06 |
| Pleasant Park Yacht Club | 501(c)(7) | 1997 | $422,539 | $434,292 | 2024-12 | |
| Winthrop Youth Hockey Association Inc | Recreation and sports | 501(c)(3) | 2006 | $292,536 | $54,028 | 2026-04 |
| Winthrop Community Access Television | Arts, culture and humanities | 501(c)(3) | 1992 | $273,110 | $1.1 million | 2024-12 |
| Winthrop Little League Inc | Recreation and sports | 501(c)(3) | 2005 | $163,213 | $53,760 | 2025-09 |
| Mi Amore Incorporated | Food, agriculture and nutrition | 501(c)(3) | 2015 | $107,153 | $93,373 | 2025-12 |
| Winthrop Chamber of Commerce Inc | 501(c)(6) | 1995 | $102,739 | $126,428 | 2023-12 | |
| Connective Tissue Coalition Inc | Medical research | 501(c)(3) | 2022 | $80,985 | $66,554 | 2025-12 |
| Winthrop Charities | Human services | 501(c)(3) | 2000 | $75,659 | $207,770 | 2025-12 |
| African Economic and Community Development Foundation | International, foreign affairs and national security | 501(c)(3) | 2020 | $63,334 | $31,417 | 2024-12 |
| International Association of Fire Fighters | 501(c)(5) | 1959 | $53,604 | $40,923 | 2026-01 | |
| Friends of the Winthrop Council On Aging Inc | 501(c)(3) | 1992 | $51,015 | $75,773 | 2025-12 | |
| Winthrop Foundation | Community improvement and capacity building | 501(c)(3) | 2021 | $28,003 | $700,881 | 2025-06 |
| Thomas W Bailey Hope Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $22,690 | $42,318 | 2024-12 |
| When Sandy Smiles | Mental health and crisis intervention | 501(c)(3) | 2024 | $19,693 | $9,531 | 2024-12 |
| FA Project Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2009 | $10,000 | $20,953 | 2025-12 |
| 11 Foundation - in Memory of Michael Mason Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $814 | $34,679 | 2024-12 |
| Uss Cassin Young DD793 Assoc | Arts, culture and humanities | 501(c)(3) | 2018 | $753 | $60,376 | 2025-09 |
| A Roof Together | Animal-related | 501(c)(3) | 2025 | |||
| Boston Potters House Church | Religion-related | 501(c)(3) | 2026 | |||
| Catholic Lawyers Guild of the Archdiocese of Boston Inc | 501(c)(3) | 1946 | $0 | $0 | 2024-12 | |
| Christmas Charity Fund | Crime and legal-related | 501(c)(3) | 1996 | $15,266 | 2025-12 | |
| Coach Bob Defelice Foundation Inc | Education | 501(c)(3) | 2026 | |||
| Free Methodist Church of Boston | 501(c)(3) | 1958 | ||||
| Friends of Univsersity of Tampa Men S Lacrosse Boosters | Recreation and sports | 501(c)(3) | 2025 | |||
| Friends of the Library - Winthrop By the Sea | Education | 501(c)(3) | 2023 | $10,786 | 2025-12 | |
| Grandparents Silver Lining | Human services | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Greater Boston Community Tennis Inc | Recreation and sports | 501(c)(3) | 2026 | |||
| Harry Agganis Team Fund | Recreation and sports | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Igreja Batista Peniel | 501(c)(3) | 1969 | ||||
| Independent Order of Odd Fellows | Mutual and membership benefit | 501(c)(8) | 1962 | $0 | $0 | 2024-04 |
| International Aldosterone Conferenc E | Medical research | 501(c)(3) | 2026 | |||
| Jennifer Lynn Snyder Teen Heart Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2009 | $0 | $0 | 2023-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Lou Tompkins All Star Baseball League Inc | Recreation and sports | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Lucky Cats Rescue Inc | Animal-related | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Marie C Petrilli Cancer Fund Inc | Public and societal benefit | 501(c)(3) | 2025 | |||
| Massachusettes Progressive Animal Watchdog Society Inc | Animal-related | 501(c)(3) | 2005 | $0 | $0 | 2024-12 |
| Massachusetts Teachers Association | 501(c)(5) | 1972 | $0 | $0 | 2025-12 | |
| Melrose Womens Softball League | Recreation and sports | 501(c)(7) | 2026 | |||
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1949 | $0 | $0 | 2025-12 | |
| New England Tongan Community | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Pretty Pale Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Project Play Winthrop Inc | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Society of Saint Vincent de Paul in the Archdiocese of Boston | Religion-related | 501(c)(3) | 2013 | $0 | $0 | 2025-09 |
| Supreme Emblem Club of the United States of America Inc | 501(c)(4) | 1949 | $0 | $0 | 2026-06 | |
| Survivors By the Sea Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2011 | $0 | $0 | 2025-08 |
| The Boston Tabernacle Incorporated | 501(c)(3) | 1986 | ||||
| The@proia Foundation | Human services | 501(c)(3) | 2025 | |||
| Those Who Can for Those in Need Inc | Mental health and crisis intervention | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Ubumwe Initiative | Youth development | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| United Womens Ball Hockey Foundation Inc | Recreation and sports | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Vietnam Veterans of America | 501(c)(19) | 1984 | $0 | $0 | 2026-02 | |
| Viking Pride Foundation | Education | 501(c)(3) | 2004 | $0 | $0 | 2023-12 |
| Winosia Charitable & Education Trust | 501(c)(3) | $134,433 | 2025-06 | |||
| Winthrop Advocacy Resources Community Inc | Human services | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Winthrop Art Association Inc | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Winthrop Business Leadership Council Inc | Education | 501(c)(3) | 2025 | |||
| Winthrop Civil Defense Assoc | Community improvement and capacity building | 501(c)(3) | 1995 | |||
| Winthrop Community Boxing | Youth development | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Winthrop Farmers Market Inc | Food, agriculture and nutrition | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Winthrop High School Athletic Hall of Fame Committee Inc | Education | 501(c)(3) | 2026 | |||
| Winthrop High Softball Booster Club Inc | Recreation and sports | 501(c)(3) | 2026 | |||
| Winthrop Improvement and Historical Association | 501(c)(3) | 1970 | $1.5 million | 2024-12 | ||
| Winthrop Loves Trees Inc | Environment | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Winthrop Pilot Inc | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Winthrop Police Charities | Youth development | 501(c)(3) | 2026 | |||
| Winthrop Police Department Union Local 4 | Community improvement and capacity building | 501(c)(5) | 2019 | $0 | $0 | 2025-12 |
| Winthrop Rotary Club Foundation Inc | Education | 501(c)(3) | 2008 | $0 | $0 | 2025-06 |
| Winthrop Sailing Foundation | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Winthrop Viking Youth Cheer | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Winthrop Youth Lacrosse | Recreation and sports | 501(c)(3) | 2026 | |||
| Winthrop Youth Soccer Inc | Recreation and sports | 501(c)(3) | 2025 |
By cause in Winthrop, MA
- Recreation and sports 17
- Education 7
- Human services 6
- Arts, culture and humanities 5
- Community improvement and capacity building 3
- Animal-related 3
- Diseases, disorders and medical disciplines 3
- Philanthropy, voluntarism and grantmaking foundations 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.