Nonprofits in Diablo, California

Nonprofits in Diablo, California. Browse 18 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. Albert C & Bertha P Markstein Foundation

    EIN 680261458 · Headquarters: DIABLO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. Briiaxl

    EIN 824101895 · Headquarters: Diablo, CA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  3. Danville Closet

    EIN 465156657 · Headquarters: Diablo, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  4. Diablo Country Club

    EIN 940699700 · Headquarters: DIABLO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Diablo Foundation Inc

    EIN 651281196 · Headquarters: DIABLO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Diablo Womens Garden Club

    EIN 680365108 · Headquarters: Diablo, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Farsyar Foundation

    EIN 934956289 · Headquarters: Diablo, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Foundation for Climate Restoration Inc

    EIN 823487365 · Headquarters: DIABLO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  9. Green Valley Learning Fund

    EIN 911812083 · Headquarters: Diablo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Haynes Charitable Foundation

    EIN 770559488 · Headquarters: DIABLO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  11. Kuo Ming Tang Association Inc

    EIN 843681909 · Headquarters: Diablo, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Lost Hills Free Flight Model Airfield Association

    EIN 330437888 · Headquarters: Diablo, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Mangold Family Foundation Inc

    EIN 680290468 · Headquarters: DIABLO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. Open Space Trails Alliance

    EIN 994480469 · Headquarters: Diablo, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. San Ramon Valley Genealogical Society

    EIN 943002048 · Headquarters: Diablo, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. Sharks Swim Team

    EIN 300700351 · Headquarters: DIABLO, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. The Gladys W Sargent Foundation

    EIN 911843277 · Headquarters: DIABLO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. Trevethan Family Foundation

    EIN 202287527 · Headquarters: Diablo, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-N