Nonprofits in San Anselmo, California

Nonprofits in San Anselmo, California. Browse 133 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. Sleepy Hollow Charitable Foundation

    EIN 461460882 · Headquarters: San Anselmo, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. Sleepy Hollow Homes Association of Marin County

    EIN 941418202 · Headquarters: San Anselmo, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Sleepy Hollow Tennis Club

    EIN 301474499 · Headquarters: SAN ANSELMO, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Slow Food USA Inc

    EIN 686199434 · Headquarters: San Anselmo, CA, US · Food, Agriculture & Nutrition · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  5. Smile High Collective

    EIN 992496167 · Headquarters: San Anselmo, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Social Dance Cultures

    EIN 680444481 · Headquarters: San Anselmo, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 946104402 · Headquarters: San Anselmo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Solution Foundation

    EIN 743056899 · Headquarters: SAN ANSELMO, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  9. Stapleton School of Performing Arts

    EIN 680202381 · Headquarters: San Anselmo, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Superorganism

    EIN 275006820 · Headquarters: San Anselmo, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. The Aquaya Institute

    EIN 202977578 · Headquarters: SAN ANSELMO, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. The Ev Alliance Inc

    EIN 464696792 · Headquarters: San Anselmo, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. The Funger Foundation Inc

    EIN 541893307 · Headquarters: SAN ANSELMO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. The Global Education and Action Network

    EIN 943382482 · Headquarters: SAN ANSELMO, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. The Ketamine Research Foundation

    EIN 821206912 · Headquarters: San Anselmo, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. The Lloyd Symington Foundation Inc

    EIN 521448837 · Headquarters: SAN ANSELMO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  17. The Mozhai Foundation Fka the Tsao Foundation

    EIN 453785748 · Headquarters: SAN ANSELMO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. The Playhouse in San Anselmo

    EIN 680395664 · Headquarters: SAN ANSELMO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. The Scholarship Foundation at Archie Williams High School

    EIN 946128953 · Headquarters: San Anselmo, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Triclub Marin Incorporated

    EIN 203681959 · Headquarters: San Anselmo, CA, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  21. Us China People to People Exchange

    EIN 993168110 · Headquarters: San Anselmo, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Usar America

    EIN 331139368 · Headquarters: San Anselmo, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  23. Velo Development Foundation

    EIN 611536916 · Headquarters: SAN ANSELMO, CA, USA · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  24. Venetia Valley School Foundation

    EIN 815017027 · Headquarters: San Anselmo, CA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  25. Veovera Software Organization

    EIN 882711442 · Headquarters: San Anselmo, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Veterans Rehoming Help Inc

    EIN 921925253 · Headquarters: San Anselmo, CA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Wade Thomas Parents Club

    EIN 942535840 · Headquarters: SAN ANSELMO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Western Alliance for Nature

    EIN 680515062 · Headquarters: San Anselmo, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Western Small Hydro Association

    EIN 472549691 · Headquarters: San Anselmo, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  30. Wings of Beauty Inc

    EIN 680418045 · Headquarters: San Anselmo, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Yes The Ross Valley Schools Foundation

    EIN 942667704 · Headquarters: SAN ANSELMO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Young Ladies Grand Institute

    EIN 237514544 · Headquarters: San Anselmo, CA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  33. Zakir Hussain Institute of Music

    EIN 931572159 · Headquarters: SAN ANSELMO, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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