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Data / Nonprofits / Connecticut / Lakeville

Nonprofits in Lakeville, CT: 30 registered with the IRS

30 nonprofits are registered with the IRS in Lakeville, CT, 26 of them 501(c)(3) charities; the 13 that report revenue took in $154.8 million. The largest by revenue: Hotchkiss School ($126.4 million), Indian Mountain School Incorporated ($22 million), Camp Sloane Incorporated ($3.1 million). Most common causes: recreation and sports (3), human services (3).

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Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Hotchkiss SchoolEducation501(c)(3)1925$126.4 million$924.4 million2025-06
Indian Mountain School IncorporatedEducation501(c)(3)1930$22 million$63.6 million2025-06
Camp Sloane IncorporatedRecreation and sports501(c)(3)1943$3.1 million$4.1 million2025-12
Music Mountain Incorporated501(c)(3)1973$950,186$850,5032025-10
Lime Rock Drivers Club IncRecreation and sports501(c)(7)2009$827,083$373,7402024-12
Corner Food Pantry IncFood, agriculture and nutrition501(c)(3)2013$428,778$1.4 million2025-12
Behind the Scenes FoundationPublic safety, disaster preparedness and relief501(c)(3)2005$416,691$2.7 million2025-12
East Mountain Foundation Holdings IncHuman services501(c)(3)2024$352,168$350,1802025-12
Crescendo IncArts, culture and humanities501(c)(3)2006$159,382$144,6952025-06
Salisbury Youth Hockey Inc501(c)(3)1982$101,625$13,0552025-05
Time Out Foundation IncYouth development501(c)(3)2008$77,353$67,8412025-12
Northwest United Soccer ClubRecreation and sports501(c)(3)2014$65,445$71,1992025-07
Argenson & Demmert Philanthropy IncHuman services501(c)(3)2025$1,346$1,2242025-12
American Cultural SocietyInternational, foreign affairs and national security501(c)(3)2026
Baldwin Foundation-Trust501(c)(3)1963$1.7 million2025-09
Bauer Foundation501(c)(3)1961$883,9222024-12
Bougainville Initiative IncInternational, foreign affairs and national security501(c)(3)2020$0$02024-12
Charlie Chicken Bones Sanctuary for Good Boys Without Good HumansAnimal-related501(c)(3)2026
Cleve Gray FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2006$2.8 million2024-12
Colorful Health IncHealth care501(c)(3)2025$0$02025-12
Connecticut Education Association501(c)(5)1971$0$02025-06
Frederick R Bauer Fund501(c)(3)1956$400,4422024-12
Harmes C Fishback Foundation Trust No 2Philanthropy, voluntarism and grantmaking foundations501(c)(3)2023$10.1 million2024-12
Kay Mason FoundationHuman services501(c)(3)2015$0$02025-12
Lakeville Community Conservancy IncEnvironment501(c)(3)2015$0$02025-12
Lakeville Hose Company No 1 IncPublic safety, disaster preparedness and relief501(c)(4)1973$0$68,6292025-10
ShowtownArts, culture and humanities501(c)(3)2019$0$02025-12
St Marys Roman Catholic Church501(c)(3)1946
Taconic Learning Center Inc501(c)(3)1994$0$02025-12
Veterans Foreign Wars Berkshire Post 9243501(c)(19)2016$0$02025-12

By cause in Lakeville, CT

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.