Nonprofits in Walnut Creek, California

Nonprofits in Walnut Creek, California. Browse 877 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. Walnut Creek Chinese School

    EIN 208626540 · Headquarters: WALNUT CREEK, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Walnut Creek Chorus

    EIN 275214697 · Headquarters: WALNUT CREEK, CA, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  3. Walnut Creek Civic Pride Foundation

    EIN 680276670 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Walnut Creek Concert Band

    EIN 680447227 · Headquarters: Walnut Creek, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Walnut Creek Dog Owners Group

    EIN 481260779 · Headquarters: Walnut Creek, CA, US · Animal Related · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  6. Walnut Creek Downtown Business Associati

    EIN 680229126 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Walnut Creek Education Foundation K-12

    EIN 942915151 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Walnut Creek Employees Association

    EIN 680408080 · Headquarters: Walnut Creek, CA, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  9. Walnut Creek Historical Society

    EIN 680016431 · Headquarters: WALNUT CREEK, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Walnut Creek Kiwanis Club Foundation

    EIN 942489872 · Headquarters: Walnut Creek, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  11. Walnut Creek Library Foundation

    EIN 943312473 · Headquarters: WALNUT CREEK, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Walnut Creek Little League

    EIN 942527998 · Headquarters: WALNUT CREEK, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Walnut Creek Masters Swimming Associatio

    EIN 680038276 · Headquarters: WALNUT CREEK, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Walnut Creek Mens Golf Club

    EIN 942813035 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Walnut Creek Model Railroad Society Inc

    EIN 680083722 · Headquarters: walnut creek, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Walnut Creek Open Space Foundation

    EIN 942607748 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Walnut Creek Police Officers Assoc

    EIN 237338375 · Headquarters: WALNUT CREEK, CA, USA · Crime & Legal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  18. Walnut Creek Pony League Baseball

    EIN 680441421 · Headquarters: WALNUT CREEK, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Walnut Creek Presbyterian Church

    EIN 941196244 · Headquarters: Walnut Creek, CA, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-T

  20. Walnut Creek Racquet Club Inc

    EIN 412029438 · Headquarters: Walnut Creek, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Walnut Creek Rotary Club Community Foundation

    EIN 680186826 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Walnut Creek Seniors Club

    EIN 942784218 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Walnut Creek Sister City Committee

    EIN 680202531 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Walnut Creek Sunrise

    EIN 680045195 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Walnut Creek Surf Soccer Club

    EIN 942425586 · Headquarters: Walnut Creek, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Walnut Creek Swim Club Inc

    EIN 943204463 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Walnut Creek Table Tennis Club

    EIN 208626577 · Headquarters: WALNUT CREEK, CA, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  28. Walnut Creek Toastmasters

    EIN 770626944 · Headquarters: Walnut Creek, CA, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  29. Walnut Creek Warrior Lacrosse

    EIN 061671148 · Headquarters: Walnut Creek, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Walnut Creek Watershed Council

    EIN 872243564 · Headquarters: Walnut Creek, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Walnut Creek Youth Athletic Association

    EIN 680110441 · Headquarters: WALNUT CREEK, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Walnut Creek Youth Football Inc

    EIN 680271064 · Headquarters: WALNUT CREEK, CA, USA · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  33. Walnut Festival Association

    EIN 946073140 · Headquarters: WALNUT CREEK, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Walnut Festival Foundation

    EIN 201858467 · Headquarters: Walnut Creek, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Walnut Heights Kids Club Inc

    EIN 911761855 · Headquarters: Walnut Creek, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Walnut Heights Swim Club

    EIN 941452170 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  37. Walnut Knolls Association

    EIN 941302366 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Warren W Eukel Teacher Trust

    EIN 680273542 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. Warriors for African Wildlife

    EIN 852820581 · Headquarters: Walnut Creek, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Way of the Future

    EIN 814753507 · Headquarters: WALNUT CREEK, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  41. We Are Woolands

    EIN 271619948 · Headquarters: WALNUT CREEK, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. We Plan Financial

    EIN 842877704 · Headquarters: Walnut Creek, CA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  43. Welcome Wellness

    EIN 273945729 · Headquarters: Walnut Creek, CA, US · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  44. Wellspring Educational Services Inc

    EIN 462683948 · Headquarters: Walnut Creek, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Western Anesthesia Chairpersons Organization Inc

    EIN 943378639 · Headquarters: WALNUT CREEK, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Western Chapter Nastt

    EIN 364785314 · Headquarters: WALNUT CREEK, CA, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Western Portrait and Figure Group

    EIN 161660670 · Headquarters: Walnut Creek, CA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  48. Wicked Events Inc

    EIN 452235661 · Headquarters: Walnut Creek, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Widowed Persons Support Inc

    EIN 942995280 · Headquarters: WALNUT CREEK, CA, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  50. Wild Tree Foundation

    EIN 833601478 · Headquarters: WALNUT CREEK, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. William R Duck Foundation

    EIN 943172249 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  52. Wind N Sea Sailing Club of Northern California

    EIN 680368000 · Headquarters: Walnut Creek, CA, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  53. Wit Method

    EIN 882154466 · Headquarters: Walnut Creek, CA, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Women Forward International

    EIN 831309970 · Headquarters: WALNUT CREEK, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Women Marines Association

    EIN 237279351 · Headquarters: WALNUT CREEK, CA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  56. Women Startup Competition

    EIN 611853664 · Headquarters: Walnut Creek, CA, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  57. Women's Council of Realtors Contra Costa

    EIN 943328443 · Headquarters: WALNUT CREEK, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Womens Energy Network of California

    EIN 870948829 · Headquarters: WALNUT CREEK, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Womens March Contra Costa

    EIN 820839580 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Woodland Christian Towers Inc

    EIN 741612042 · Headquarters: WALNUT CREEK, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Woodlands Association

    EIN 237273338 · Headquarters: WALNUT CREEK, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  62. Woodlands Cabana Club

    EIN 941532162 · Headquarters: WALNUT CREEK, CA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990

  63. Work for Peace Inc

    EIN 461328262 · Headquarters: Walnut Creek, CA, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  64. World Altering Medicine

    EIN 223931194 · Headquarters: Walnut Creek, CA, US · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  65. World Free Press Institute

    EIN 911811309 · Headquarters: WALNUT CREEK, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. World Rainforest Fund

    EIN 942914127 · Headquarters: Walnut Creek, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Worth Project Inc

    EIN 472275476 · Headquarters: WALNUT CREEK, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  68. Xicameri Productions

    EIN 872123808 · Headquarters: Walnut Creek, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Y2a Inc

    EIN 393995585 · Headquarters: WALNUT CREEK, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Yes and Exercise

    EIN 880959586 · Headquarters: Walnut Creek, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Ygnacio Valley Instrumental Music Boosters

    EIN 680004553 · Headquarters: Walnut Creek, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Young Artists Symphony Orchestra

    EIN 942426857 · Headquarters: Walnut Creek, CA, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  73. Young Politicians of America

    EIN 680435571 · Headquarters: Walnut Creek, CA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  74. Yours Humanly

    EIN 463429734 · Headquarters: Walnut Creek, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Youth Bipolar Foundation of Northern California

    EIN 205363077 · Headquarters: walnut creek, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  76. Yvhs Hall of Fame Inc

    EIN 320468689 · Headquarters: Walnut Creek, CA, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  77. Zenerosity

    EIN 821867348 · Headquarters: WALNUT CREEK, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

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