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Data / Nonprofits / California / Clarksburg

Nonprofits in Clarksburg, CA: 23 registered with the IRS

23 nonprofits are registered with the IRS in Clarksburg, CA, 15 of them 501(c)(3) charities; the 13 that report revenue took in $16.4 million. The largest by revenue: River Charter Schools ($13.7 million), Leaders & Scholars Inc ($1.3 million), Building Owners & Managers Association ($427,311). Most common causes: community improvement and capacity building (6), education (4).

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Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
River Charter Schools501(c)(3)2009$13.7 million$8.8 million2025-06
Leaders & Scholars IncEducation501(c)(3)2016$1.3 million$14.6 million2025-06
Building Owners & Managers Association501(c)(6)1991$427,311$167,6972024-12
Creda Sacramento Valley ChapterCommunity improvement and capacity building501(c)(6)2008$266,840$83,3462025-12
California State Outdoor Advertising Association501(c)(6)1995$257,124$257,5412024-12
Friends of the 1883 Clarksburg SchoolhouseArts, culture and humanities501(c)(3)2016$154,049$3 million2025-12
Institute of Real Estate Management of the Natl Association of RealtorsCommunity improvement and capacity building501(c)(6)1976$109,845$45,2432025-12
Irem Sacramento Valley FoundationCommunity improvement and capacity building501(c)(3)2018$54,437$31,4932025-12
Friends of the Clarksburg Public Library501(c)(3)1963$39,341$325,7802025-12
Heavenly BoostersEducation501(c)(3)2015$35,354$42,2232025-06
Friends of Clarksburg Services andCommunity improvement and capacity building501(c)(3)2019$24,868$142,0142024-12
Clarksburg Winegrowers Association501(c)(6)1993$24,063$21,8492025-12
Clarksburg Winery CollectiveCommunity improvement and capacity building501(c)(6)2024$8,250$11,5152024-12
Clarksburg Community Church501(c)(3)19641997-12
Clarksburg Rotary Foundation IncHuman services501(c)(3)2022$0$02026-06
Delta Elementary Charter School Decs PtoEducation501(c)(3)2025$0$02025-06
Delta Leadership FoundationEducation501(c)(3)2024$0$02026-06
Furry Tail TownAnimal-related501(c)(3)2024
International Association of Lions Clubs501(c)(4)1971$0$02025-06
Metta Calana501(c)(3)2014$0$02025-12
Pastor of St Joseph Parish - Clarksburg A Corporation Sole501(c)(3)1946
Rotary Club of ClarksburgCommunity improvement and capacity building501(c)(4)2023$0$02025-06
West Point Parents Club of Northern CaliforniaHuman services501(c)(3)1998$0$02025-12

By cause in Clarksburg, CA

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.