Nonprofits in Windsor, California

Nonprofits in Windsor, California. Browse 138 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Tax Project Institute

    EIN 934677948 · Headquarters: Windsor, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Tech Bay Area Advocates

    EIN 813846845 · Headquarters: Windsor, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Tell the Truth T3

    EIN 943326269 · Headquarters: Windsor, CA, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  4. The Crandall Brothers Music with a Message Inc

    EIN 680186495 · Headquarters: Windsor, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. The Nothing to Lose Foundation Co Dr John Loewen

    EIN 454359340 · Headquarters: Windsor, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. The Rocamora School

    EIN 953945796 · Headquarters: Windsor, CA, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  7. Theatre on the Green

    EIN 300293085 · Headquarters: Windsor, CA, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  8. Toastmasters International

    EIN 901127148 · Headquarters: Windsor, CA, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  9. Tumbler Foundation

    EIN 954715991 · Headquarters: WINDSOR, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  10. Unfettered Mind

    EIN 954264256 · Headquarters: WINDSOR, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Velo Fratello Inc

    EIN 364749093 · Headquarters: Windsor, CA, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  12. Veterans of Foreign Wars Department of California

    EIN 680369705 · Headquarters: WINDSOR, CA, US · Public & Societal Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  13. Waste Less Alliance Inc

    EIN 880762915 · Headquarters: Windsor, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Westshore Campers Assc

    EIN 942829290 · Headquarters: Windsor, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Westwater Financial Inc

    EIN 611668194 · Headquarters: Windsor, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. When She Dresses Inc

    EIN 611930856 · Headquarters: Windsor, CA, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  17. Windsor Arts Council

    EIN 680438962 · Headquarters: Windsor, CA, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  18. Windsor Baseball Inc

    EIN 680229690 · Headquarters: WINDSOR, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Windsor Chamber of Commerce

    EIN 942814468 · Headquarters: WINDSOR, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  20. Windsor Educational Foundation

    EIN 680173949 · Headquarters: WINDSOR, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Windsor Girls Softball League

    EIN 461311631 · Headquarters: Windsor, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Windsor Girls Travel Softball

    EIN 455258936 · Headquarters: Windsor, CA, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  23. Windsor Grange No 410

    EIN 237529956 · Headquarters: Windsor, CA, US · Food, Agriculture & Nutrition · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  24. Windsor High School Boosters

    EIN 611491234 · Headquarters: WINDSOR, CA, USA · Education · Latest available filing year: 2021 · Primary form: IRS Form 990

  25. Windsor Kiwanis Foundation

    EIN 202317211 · Headquarters: Windsor, CA, US · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. Windsor Lions Club

    EIN 510151433 · Headquarters: Windsor, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Windsor Lodge No 215

    EIN 941084215 · Headquarters: Windsor, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Windsor Mens Golf Club

    EIN 680232850 · Headquarters: WINDSOR, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  29. Windsor Middle School Boosters

    EIN 993981922 · Headquarters: Windsor, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Windsor Museum and Historical Society

    EIN 680359264 · Headquarters: Windsor, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Windsor Odd Fellows Charities

    EIN 814493314 · Headquarters: WINDSOR, CA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Windsor Parks and Recreation Foundation

    EIN 452913488 · Headquarters: Windsor, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Windsor Service Alliance

    EIN 943196080 · Headquarters: WINDSOR, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  34. Windsor Volunteer Firemens Association Inc

    EIN 237427577 · Headquarters: Windsor, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  35. Windsor Warriors Baseball Association

    EIN 475577677 · Headquarters: Windsor, CA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. Windsor Womens Golf Club

    EIN 680209214 · Headquarters: Windsor, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Windsor Youth Soccer League

    EIN 943331317 · Headquarters: WINDSOR, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. World of Languages

    EIN 943079827 · Headquarters: Windsor, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2007 · Primary form: IRS Form 990-N

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