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Data / Nonprofits / New York / Sleepy Hollow

Nonprofits in Sleepy Hollow, NY: 63 registered with the IRS

63 nonprofits are registered with the IRS in Sleepy Hollow, NY, 54 of them 501(c)(3) charities; the 30 that report revenue took in $171.4 million. The largest by revenue: Phelps Medical Services PC ($114.8 million), Kendal On Hudson ($44.4 million), Phelps Child Care Center Inc ($3.3 million). Most common causes: education (6), arts, culture and humanities (6), philanthropy, voluntarism and grantmaking foundations (6).

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Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Phelps Medical Services PCHealth care501(c)(3)2014$114.8 million$18.2 million2024-12
Kendal On HudsonHealth care501(c)(3)1997$44.4 million$211.2 million2024-12
Phelps Child Care Center IncHuman services501(c)(3)1989$3.3 million$5.6 million2025-12
Sleepy Hollow Cemetery at Tarrytown501(c)(13)1934$2 million$14.9 million2024-12
Kendal New YorkHousing and shelter501(c)(3)2003$1.9 million$02025-12
RSHM Life Center Inc501(c)(3)1946$833,039$430,2422025-12
Sleepy Hollow Cemetery Historic Fund IncArts, culture and humanities501(c)(3)2004$671,368$1.4 million2024-12
The Hudson Valley Writers Center Inc501(c)(3)1989$492,062$851,4452024-12
Horsemans Harvest Neighborhood Pantry IncFood, agriculture and nutrition501(c)(3)2023$385,496$74,6672024-12
Medical Society of the County of Westchester IncHealth care501(c)(6)1938$216,881$69,8482024-12
International Thymic Malignancy Interest GroupMedical research501(c)(3)2010$216,569$215,2192025-12
Kendal On Hudson Residents AssociationHuman services501(c)(3)2006$215,109$769,4932024-12
Kendal On Hudson Charitable FundHealth care501(c)(3)2014$211,697$1.9 million2024-12
Partners for A Better Education IncEducation501(c)(3)1994$198,155$551,9782025-06
Profound Treasury Dharma Foundation IncReligion-related501(c)(3)2014$161,193$131,7382025-12
Sleepy Coffee Too IncEmployment501(c)(3)2022$158,280$349,3942024-12
Foundation for Thymic Cancer ResearchMedical research501(c)(3)2002$136,015$27,6622025-12
Road Runners Club501(c)(3)1976$131,864$115,2732024-12
Westchester Academy of MedicineEducation501(c)(3)1959$130,217$2 million2024-12
Pta New York CongressEducation501(c)(3)1954$115,896$81,6952025-06
Fraternal Order of EaglesMutual and membership benefit501(c)(8)1991$113,379$433,5412026-05
Anywhere Theatre Company IncArts, culture and humanities501(c)(3)2024$110,964$36,6152025-12
American Federation of Teachers501(c)(5)1970$92,855$149,5282025-08
Westchester Buddhist Center IncEducation501(c)(3)2011$86,310$45,5312024-12
Lighthouse Swim IncFood, agriculture and nutrition501(c)(3)2021$81,651$12,0272025-12
One Landscape IncArts, culture and humanities501(c)(3)2019$59,874$31,9412024-12
Slovak Gymnastic Union Sokol of the USA National Headquarters501(c)(8)1972$37,022$49,3462025-12
The Friends of the Old Dutch Burying Ground501(c)(3)1991$30,118$43,9392024-12
Fireboat McKean Preservation ProjectArts, culture and humanities501(c)(3)2018$10,080$477,4882024-12
American Friends of the Intl Jewish Center of BelgiumPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2005$0$02025-12
Cedars Creek Sanctuary Foundation IncAnimal-related501(c)(3)2021$0$02023-12
Civil Service Employees AssociationEmployment501(c)(5)2016$0$02025-09
Fintech Industry Risk Management Council IncCommunity improvement and capacity building501(c)(6)2020$0$02024-12
Hudson Valley Amateur Athletic Organization IncRecreation and sports501(c)(3)2017$0$02025-12
I B Taylor-Kamara Foundation CorporationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2024$0$02026-04
It Takes A Village 10591 IncorporatedHuman services501(c)(3)2015$0$02025-12
Korean Church of Westchester Inc501(c)(3)1985
Leos Lighthouse Foundation IncDiseases, disorders and medical disciplines501(c)(3)2018$0$02024-12
Margaret Cameron and James M Glickenhaus FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2023$2.4 million2025-12
Murphy Family Charitable Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2021$128,1782024-12
Nancy Glickenhaus FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2023$2.5 million2025-12
North Tarrytown Fire PatrolPublic safety, disaster preparedness and relief501(c)(3)1999$0$02025-12
Phelps Community CorporationHuman services501(c)(3)1985$20.3 million2025-12
Pocantico Hills Residents AssociationEnvironment501(c)(3)2012$0$02024-12
Pocantico Hills School Foundation IncEducation501(c)(3)1995$0$02026-06
Pta New York Congress501(c)(3)1954$0$02026-06
Rising Legends Foundation IncYouth development501(c)(3)2024$0$02025-12
Roca de Salvacion501(c)(3)1964
Rockefeller Archive CenterPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2007$188.5 million2025-06
SHF Boosters IncRecreation and sports501(c)(3)2024$0$02024-12
Saint John Paul II Maronite Catholic Church501(c)(3)1946
Sleepy Hollow Arts Collective IncArts, culture and humanities501(c)(3)2024$0$02025-12
Sleepy Hollow Football Club IncRecreation and sports501(c)(3)2018$0$02025-12
Sleepy Hollow High School Baseball Softball Boosters Club IncRecreation and sports501(c)(3)2022$0$02025-12
Sleepy Hollow Local Development CorporationCommunity improvement and capacity building501(c)(3)2016
Sleepy Hollow Manor Association IncHousing and shelter501(c)(4)2019$0$02025-12
Sleepy Hollow Performing Arts Boosters IncArts, culture and humanities501(c)(3)2017$0$02026-08
Sleepy Hollow Police Benevolent AssocPublic and societal benefit501(c)(4)2025
Tarrytown and Sleepy Hollow Junior Horsemen IncRecreation and sports501(c)(3)2023$0$02025-12
Westchester Emergency Communications Association Inc501(c)(3)1977$0$02024-12
Westchester High School Summer Socc Er LeagueEducation501(c)(3)2026
Westchester Management Group IncHousing and shelter501(c)(3)1999$0$12025-09
Water Street Club IncEmployment501(c)(3)2018$-7,127$14,3572025-12

By cause in Sleepy Hollow, NY

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.