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Data / Nonprofits / Colorado / Niwot

Nonprofits in Niwot, CO: 62 registered with the IRS

62 nonprofits are registered with the IRS in Niwot, CO, 54 of them 501(c)(3) charities; the 20 that report revenue took in $8 million. The largest by revenue: Rocky Mountain Christian Academy ($1.6 million), Lefthand Watershed Oversight Group ($1.6 million), Left Hand Ditch Co ($836,296). Most common causes: education (7), philanthropy, voluntarism and grantmaking foundations (7), arts, culture and humanities (7).

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Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Rocky Mountain Christian AcademyEducation501(c)(3)2002$1.6 million$386,9842025-06
Lefthand Watershed Oversight Group501(c)(3)2005$1.6 million$1.5 million2024-12
Left Hand Ditch Co501(c)(12)1992$836,296$5.6 million2024-12
1940S Ball NFPArts, culture and humanities501(c)(3)2014$774,604$186,3102024-12
Wildfire Research CenterAnimal-related501(c)(3)2019$547,128$111,8342024-12
Open Sanctuary Project IncAnimal-related501(c)(3)2018$418,592$234,6242024-12
Niwot Youth Sports IncRecreation and sports501(c)(3)2023$409,255$646,6062025-10
Colorado Cleantech Industry Association IncCommunity improvement and capacity building501(c)(6)2009$378,128$84,1782024-12
Niwot Cultural Arts AssociationArts, culture and humanities501(c)(3)2009$351,641$772,4602024-12
People and Pollinators Action NetworkEnvironment501(c)(3)2019$335,387$309,4222025-12
Left Hand Valley CourierArts, culture and humanities501(c)(3)2024$145,505$31,3492024-12
High Plains PermacultureFood, agriculture and nutrition501(c)(3)2024$110,145$6,3792025-12
Niwot Elementary School Parent Teacher Advisory Council Inc501(c)(3)1999$107,881$87,5592025-06
Wyoming Quarter Horse AssociationRecreation and sports501(c)(5)2021$97,016$76,6052025-10
Country Dance & Song Society IncArts, culture and humanities501(c)(3)1993$89,233$144,0822024-12
Somerset Swim & Tennis ClubRecreation and sports501(c)(7)2013$84,941$216,1722025-12
Niwot High School Boosters IncEducation501(c)(3)2004$65,973$20,8762025-06
Niwot Community HallArts, culture and humanities501(c)(3)2024$59,163$879,8092025-12
Friends of SierraAnimal-related501(c)(3)2019$10,580$10,3042025-12
Parenting the RainbowHuman services501(c)(3)2024$3,710$2,1782024-12
Ahimsa FoundationAnimal-related501(c)(3)2021$1.01 billion2024-12
Bahais of Boulder County501(c)(3)1995
Berlin Family Foundation501(c)(3)1987$323,4732025-12
Bethel Baptist Church of Niwot501(c)(3)1968
Boulder Sister Cities ProgramInternational, foreign affairs and national security501(c)(3)2023$0$02025-12
Bruin Theta Chi Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2025$0$02025-12
Burrell Family FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2000$621,6212025-06
Ceo 4 TeensInternational, foreign affairs and national security501(c)(3)2009$0$02024-12
Colorado 4-H Foundation Inc501(c)(3)2013$0$02025-06
Colorado Cleantech Industry Association Foundation IncEnvironment501(c)(3)2013$0$02024-12
Colorado State Grange Patrons of Husbandry501(c)(5)1946$0$02025-08
Cougarball CorpRecreation and sports501(c)(3)2023$21,3532025-12
Crew Members Who CareHuman services501(c)(3)2020$0$02024-12
Grace Bible Church of Boulder County501(c)(3)1991
I Love LeosPublic safety, disaster preparedness and relief501(c)(3)2022$0$02024-12
Internet and Technology Addicts AnonymousMental health and crisis intervention501(c)(3)2023$0$02025-12
Lebor Family Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1997$1.1 million2025-12
Make A Hero IncArts, culture and humanities501(c)(3)2011$0$02025-12
Mind OasisEducation501(c)(3)2017$0$02025-12
Niwot Center for Spiritual Development501(c)(3)1975
Niwot Christian Center501(c)(3)1977
Niwot Community Association Inc501(c)(4)1988$0$02025-12
Niwot Cougar BaseballRecreation and sports501(c)(3)2023$6,2892024-12
Niwot High School Education Foundation IncEducation501(c)(3)1994$0$02026-06
Niwot Historical SocietyArts, culture and humanities501(c)(3)1995$0$02025-12
Niwot Incorporation CommitteeCommunity improvement and capacity building501(c)(3)2025$0$02025-12
Niwot NowCommunity improvement and capacity building501(c)(4)2026
Niwot Patriotic Cookie MomsPublic and societal benefit501(c)(3)2025$0$02025-12
Peter Fund IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2023$0$02025-12
Professional Foundation IncHealth care501(c)(3)1992$0$02025-12
Rocky Mountain Christian Church501(c)(3)1984
Rocky Mountain Ecodharma Retreat CenterReligion-related501(c)(3)2017
Rotary Club of Niwot Foundation IncEducation501(c)(3)2013$0$02026-06
Rotary InternationalCommunity improvement and capacity building501(c)(4)2014$0$02026-06
Slow Food USA IncFood, agriculture and nutrition501(c)(3)2000$0$02025-12
Snyder Charitable FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2008$912,7722025-12
Team Rocky MountainDiseases, disorders and medical disciplines501(c)(3)2025$0$02025-12
The Budacz Family FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2002$91,3732025-12
The Jared Music FoundationEducation501(c)(3)2017$0$02024-12
The Maverick Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2007$19,6612025-12
Voices FoundationEducation501(c)(3)2007$0$02025-06
Womens International Niwot ClubPublic and societal benefit501(c)(3)2016$0$02025-12

By cause in Niwot, CO

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.