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Data / Nonprofits / California / Windsor

Nonprofits in Windsor, CA: 109 registered with the IRS

109 nonprofits are registered with the IRS in Windsor, CA, 91 of them 501(c)(3) charities; the 32 that report revenue took in $11.4 million. The largest by revenue: Pediatric Dental Initiative of the North Coast ($5.2 million), Circuit Rider Community Services ($848,073), Nuestra Comunidad ($825,505). Most common causes: human services (10), religion-related (9), recreation and sports (9).

SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.

Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Pediatric Dental Initiative of the North CoastHuman services501(c)(3)2005$5.2 million$7 million2025-06
Circuit Rider Community ServicesEmployment501(c)(3)1976$848,073$1.4 million2025-06
Nuestra ComunidadPublic safety, disaster preparedness and relief501(c)(3)2018$825,505$987,0712025-12
Sonoma County Premier SoccerYouth development501(c)(3)2019$712,745$698,8862025-12
Peten HealthInternational, foreign affairs and national security501(c)(3)2017$400,208$818,7152025-12
Sonoma County Medical Association501(c)(6)1952$388,779$420,2922024-12
North Coast Youth Golf AssociationYouth development501(c)(3)2019$349,236$145,8032025-12
Windsor Chamber of Commerce501(c)(6)1991$317,092$116,0772023-06
Hop Quality GroupCommunity improvement and capacity building501(c)(6)2011$232,619$348,5282024-12
Independent Order of Odd Fellows501(c)(8)1962$228,406$1.7 million2025-12
Westshore Campers Association501(c)(7)1984$225,837$85,6632024-12
Alexander Valley Winegrowers Inc501(c)(6)2022$185,141$41,8292025-11
Windsor Girls Softball LeagueRecreation and sports501(c)(3)2014$184,809$63,9952025-12
Windsor Youth Soccer LeagueRecreation and sports501(c)(3)1999$166,435$143,7802026-04
Chosen Little OnesPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2023$136,000$176,0002025-10
Windsor Baseball IncRecreation and sports501(c)(3)2019$103,885$89,3722025-09
Progressive Tribal AllianceArts, culture and humanities501(c)(3)2025$96,627$24,6822025-06
Family Winemakers of California501(c)(6)1992$93,660$33,6322024-12
Westwater Financial IncCommunity improvement and capacity building501(c)(3)2012$93,279$1.9 million2025-12
Windsor Educational FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1996$75,877$113,4532025-06
Pta California Congress of Parents Teachers & Students Inc501(c)(3)1943$69,316$87,8422025-06
Unfettered Mind501(c)(3)1990$68,499$377,4222025-12
Santa TimHuman services501(c)(3)2014$66,677$106,4202025-12
Pta California Congress of Parents Teachers & Students Inc501(c)(3)1943$62,381$22,1362025-06
Windsor Service AllianceCommunity improvement and capacity building501(c)(3)1994$60,803$121,1442023-12
Personnel Association of Sonoma County501(c)(6)1990$59,140$87,6802025-06
Russian River Masonic Temple AssociationMutual and membership benefit501(c)(2)2021$58,364$10,6882024-12
Windsor Parks and Recreation FoundationRecreation and sports501(c)(3)2012$57,358$99,2922024-12
Windsor Lions ClubHuman services501(c)(3)2015$32,097$21,1792025-06
Russian River Valley Winegrowers Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2006$18,515$24,8262025-12
Express BasketballRecreation and sports501(c)(3)2024$12,946$4,4462024-12
Creating Wellness Social Therapy Canine ProgramHuman services501(c)(3)2015$4,080$36,7512024-12
Anglican Bible ChurchReligion-related501(c)(3)2007
Bamboo BellArts, culture and humanities501(c)(3)2002$0$02023-12
Berean Christian Ministries Ofwindsor IncReligion-related501(c)(3)2006
Bleser Family Foundation Inc501(c)(3)1987$35.8 million2024-12
California Garden Clubs Inc501(c)(3)1969$0$02025-06
California Teachers Association501(c)(5)1976$0$02025-08
Calvary Chapel River Fellowship IncReligion-related501(c)(3)2001
Christ Evangelical Lutheran Church of Santa Rosa California501(c)(3)1972
Christ the Healer IncReligion-related501(c)(3)2007
Cody CaresYouth development501(c)(3)2019$0$02024-12
Communication Schools Taxpayers Academics Results501(c)(3)2005$0$02025-03
El Fuego Esta EncendidoReligion-related501(c)(3)2022
Emf Safety NetworkEnvironment501(c)(3)2024$0$02025-12
End of Endo Project IncHuman services501(c)(3)2017$0$02025-12
First Baptist Church of Windsor501(c)(3)19712011-12
Free & Accepted Masons of California501(c)(10)1940$0$02025-12
Friends of Windsor LibraryEducation501(c)(3)1999$0$02026-06
G&CS Advocacy and Rescue CorporationAnimal-related501(c)(3)2024$0$02024-12
Gallaher Community Housing IncHousing and shelter501(c)(3)2024$0$02025-12
Gallaher Family FoundationEducation501(c)(3)2025
Garrett Hardware Scholarship FundPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2000$18,9082025-12
Giving4lifePublic and societal benefit501(c)(3)2025$0$02025-12
Greaney Family Charitable FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2013$243,0692025-12
Healdsburg Freight Depot Museum SocietyArts, culture and humanities501(c)(3)2016$0$02025-12
Hearts for Veterans IncHuman services501(c)(3)2018$0$02026-06
House of Inheritance IncMental health and crisis intervention501(c)(3)2025
Inclusion Revolution Inc A California Nonprofit CorporationHuman services501(c)(3)2016$0$12025-12
JNR Family FoundationEducation501(c)(3)2020$2.8 million2024-12
Kiwanis International Inc501(c)(4)1940$0$02025-09
Marley Stainer Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2022$0$02024-12
Math4everyoneEducation501(c)(3)2023$0$02023-12
Ministerio de Jesucristo Vid Verdadera IncReligion-related501(c)(3)2014
Napa Valley Dixieland Jazz SocietyEducation501(c)(3)2021$0$02023-12
New Methodist Christian Fellowship Church IncReligion-related501(c)(3)2016
New Song Church Assembly of God501(c)(3)1964
New Song Church Assembly of God501(c)(3)1964
Northern California Working Group Association IncCommunity improvement and capacity building501(c)(4)2012$0$02025-12
Norwich Terrier Club of Northern CaliforniaRecreation and sports501(c)(7)2010$0$02025-12
Nothing To Lose Foundation IncHuman services501(c)(3)2012$0$02024-12
Our Community MattersPublic safety, disaster preparedness and relief501(c)(4)2022$0$02025-12
Pacific Malinois ClubAnimal-related501(c)(7)2017$0$02025-12
Packages for PreemiesDiseases, disorders and medical disciplines501(c)(3)2016$0$02025-12
Pastor of Our Lady of Guadalupe Catholic Church of Windsor A Corpo501(c)(3)1946
Play Like DJRecreation and sports501(c)(3)2026
Progression Gymnastics Boosters ClubRecreation and sports501(c)(3)2025$0$02025-07
Redwood Entertainment CompanyArts, culture and humanities501(c)(3)2026
Research Advantage InstituteScience and technology501(c)(3)2015$0$02023-12
Ruthie Lou FoundationHealth care501(c)(3)2015$0$02025-12
Sacred Heart Community FoundationCommunity improvement and capacity building501(c)(3)2026
Sanctuary Church-Windsor Ca501(c)(3)1975
Sanidad Divina IncReligion-related501(c)(3)2020
Sentry SaintsHuman services501(c)(3)2023$0$02024-12
Social Service Data Solutions IncHousing and shelter501(c)(3)2022$0$12025-12
Soco Market FoundationCommunity improvement and capacity building501(c)(3)2025
Somos WindsorArts, culture and humanities501(c)(3)2026
Sonoma County Firefighters FoundationPublic safety, disaster preparedness and relief501(c)(3)2021$0$02025-12
Sonoma County Safe and Sober Project Graduation501(c)(3)2012
Sonoma County Search and Rescue IncorporatedPublic safety, disaster preparedness and relief501(c)(3)2011$0$02025-12
Sonrise Christian Church of Windsor501(c)(3)1993
Soroptimist International of the Americas Inc501(c)(3)2006$0$02026-06
Tax Project InstituteHuman services501(c)(3)2024$0$02025-12
Tech Bay Area AdvocatesScience and technology501(c)(3)2016$0$02024-12
The American MissionReligion-related501(c)(3)2007
The Crandall Brothers Music With A Message Inc501(c)(3)1994$0$02025-12
Tumbler FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2000$19,9922024-12
Veterans Table ProjectFood, agriculture and nutrition501(c)(3)2026
Vineyard of Faith Lutheran Church and Ministry501(c)(3)1941
Waste Less Alliance IncEnvironment501(c)(3)2022$0$02025-12
Windsor Kiwanis FoundationYouth development501(c)(3)2006$0$02025-09
Windsor Mens Golf Club501(c)(7)1991$0$02023-12
Windsor Middle School BoostersEducation501(c)(3)2024$0$02025-06
Windsor Mobile Country Club Homeowners AssociationHousing and shelter501(c)(3)2026
Windsor Museum and Historical SocietyArts, culture and humanities501(c)(3)2009$0$02026-06
Windsor Odd Fellows CharitiesPublic and societal benefit501(c)(3)2017$0$02025-12
Windsor Presbyterian Church501(c)(3)1964
Windsor Warriors Baseball AssociationRecreation and sports501(c)(3)2015$0$02023-12
Windsor Womens Golf Club501(c)(7)1990$0$02025-12

By cause in Windsor, 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.