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. California Alpine Club

    EIN 946082530 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. California Association for Nurse Practitioners

    EIN 371557146 · Headquarters: Walnut Creek, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  3. California Association of Air Medical Serviices

    EIN 833135964 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. California Builders Advancement Program Trust Fund

    EIN 311561775 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. California Congress of Parents Teachers Tice Creek Pta

    EIN 901116473 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. California Czech and Slovak Club Inc

    EIN 463040906 · Headquarters: WALNUT CREEK, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. California E-health Collaborative

    EIN 270807211 · Headquarters: Walnut Creek, CA, US · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  8. California Historical Artillery Society

    EIN 770480342 · Headquarters: WALNUT CREEK, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. California Impact Coalition

    EIN 934533255 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  10. California Retired Teachers Association

    EIN 942396449 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. California Right to Life Committee Inc

    EIN 953414582 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  12. California Sexual Assault Investigators Association

    EIN 953513968 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. California Society of Forensic Dentistry

    EIN 942685711 · Headquarters: WALNUT CREEK, CA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  14. California State Automobile Association

    EIN 942842731 · Headquarters: Walnut Creek, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990

  15. California Symphony Endowment Fund

    EIN 680387268 · Headquarters: Walnut Creek, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. California Symphony Orchestra Inc

    EIN 943024038 · Headquarters: Walnut Creek, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. California Teachers Association

    EIN 942700709 · Headquarters: Walnut Creek, CA, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  18. California Urban Water Agencies

    EIN 680218747 · Headquarters: WALNUT CREEK, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. California Watercolor Association

    EIN 510142997 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Calpfa Community Development Corporation

    EIN 821243543 · Headquarters: Walnut Creek, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  21. Calvin Simmons Center for the Performing Arts

    EIN 942951630 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  22. Camellia City Racing Pigeon Combine

    EIN 942430781 · Headquarters: Walnut Creek, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. CANCER SUPPORT COMMUNITY San Francisco Bay Area

    EIN 680157858 · Headquarters: WALNUT CREEK, CA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Capa Community Education Fund

    EIN 010685771 · Headquarters: Walnut Creek, CA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  25. Capitalists for Shared Income

    EIN 862516491 · Headquarters: WALNUT CREEK, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Carbon Offsets To Alleviate Poverty

    EIN 274220630 · Headquarters: Walnut Creek, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Care4africa Inc

    EIN 814069226 · Headquarters: Walnut Creek, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Caring for El Salvador

    EIN 853569343 · Headquarters: WALNUT CREEK, CA, USA · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  29. Carpenter Employers Contract Admin Tr Fd

    EIN 943019160 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Carpenters Work Preservation Comm Tr Fnd

    EIN 943018622 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Castle Rock Mutual Water Company

    EIN 680446956 · Headquarters: Walnut Creek, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Cat Support Network

    EIN 272589918 · Headquarters: Walnut Creek, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Catalight

    EIN 943120231 · Headquarters: WALNUT CREEK, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Cbmc Inc

    EIN 510209384 · Headquarters: WALNUT CREEK, CA, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  35. Cbmc Inc

    EIN 942323219 · Headquarters: Walnut Creek, CA, US · Religion Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  36. Cc Bridges to Israel Inc

    EIN 200052081 · Headquarters: WALNUT CREEK, CA, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  37. Ccar - Helping Hands

    EIN 680511517 · Headquarters: WALNUT CREEK, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Cch Development Corporation

    EIN 464477868 · Headquarters: WALNUT CREEK, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Cch Management Corporation

    EIN 611728039 · Headquarters: WALNUT CREEK, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Cchnc South Lake Towers Inc

    EIN 260014351 · Headquarters: WALNUT CREEK, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Cchnc Visalia Senior Hsg Corp

    EIN 261880865 · Headquarters: WALNUT CREEK, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Cea Cement Mason Contract Administration

    EIN 300937858 · Headquarters: WALNUT CREEK, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Celsa Southern California

    EIN 956094919 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Center for Municipal Finance

    EIN 465149449 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Center for Personal and Relational Development

    EIN 264802008 · Headquarters: WALNUT CREEK, CA, USA · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  46. Chamber Musicians of Northern Calif

    EIN 943167081 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Charles J Soong Memorial Foundation

    EIN 460690049 · Headquarters: WALNUT CREEK, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. Charthouse Public Schools

    EIN 471506069 · Headquarters: Walnut Creek, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Chevron Retirees Association

    EIN 942565651 · Headquarters: WALNUT CREEK, CA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Childhood Cancer Research Foundation Inc

    EIN 208410773 · Headquarters: WALNUT CREEK, CA, USA · Medical Research · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  51. Children of Faith Missions

    EIN 320281925 · Headquarters: Walnut Creek, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Children's Skin Disease Foundation

    EIN 680456098 · Headquarters: Walnut Creek, CA, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Childrens Dual Citizenship Project

    EIN 842780930 · Headquarters: WALNUT CREEK, CA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  54. Childrens Welfare Foundation

    EIN 912053297 · Headquarters: Walnut Creek, CA, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  55. Chilpancingo Vista Inc Co Barcelon Associates Management Corp

    EIN 942623622 · Headquarters: Walnut Creek, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. China Snow Storm Disaster Relief Fund

    EIN 711045469 · Headquarters: Walnut Creek, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  57. Christian Church Homes

    EIN 946077407 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Chromatica

    EIN 455011230 · Headquarters: Walnut Creek, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Citizen Comission on Human Rights

    EIN 912088078 · Headquarters: WALNUT CREEK, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. City Systems

    EIN 820626190 · Headquarters: WALNUT CREEK, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Clay Arts Guild

    EIN 202995186 · Headquarters: Walnut Creek, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Clear Water Vision

    EIN 262911936 · Headquarters: Walnut Creek, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Clutch Busters Square Dance Club

    EIN 900875975 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Coach Manny Foundation

    EIN 994109842 · Headquarters: Walnut Creek, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Coit Family Foundation

    EIN 943289041 · Headquarters: WALNUT CREEK, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  66. Collaborative Alliance for Nursing Outcomes - Calnoc

    EIN 273440795 · Headquarters: Walnut Creek, CA, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  67. Collaborative Assessment Association of the Bay Area

    EIN 882969007 · Headquarters: Walnut Creek, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Collegespring Inc

    EIN 270920698 · Headquarters: Walnut Creek, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Community Arts Foundation

    EIN 562522306 · Headquarters: WALNUT CREEK, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Community Club of Rossmoor

    EIN 942656031 · Headquarters: Walnut Creek, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  71. Community Concern for Cats Inc

    EIN 943037122 · Headquarters: WALNUT CREEK, CA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Community Foundation for Eagle Peak

    EIN 870743084 · Headquarters: Walnut Creek, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Community Housing & Social Services

    EIN 943338287 · Headquarters: Walnut Creek, CA, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  74. Community Oriented Correctional Health Services

    EIN 203638746 · Headquarters: Walnut Creek, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. Community Partnership for Walnut Creek Downtown

    EIN 990817264 · Headquarters: Walnut Creek, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Computer Club of Rossmoor

    EIN 680399455 · Headquarters: WALNUT CREEK, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Concord Homes Inc

    EIN 237071540 · Headquarters: Walnut Creek, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Concord-plaza Tower Inc

    EIN 942984887 · Headquarters: WALNUT CREEK, CA, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. Conquering Cancer Foundation

    EIN 872922385 · Headquarters: Walnut Creek, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  80. Construction Employers Assn of Calif

    EIN 680090150 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Construction Employers Contract Admin

    EIN 943225123 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Construction Financial Management Sf Chapter

    EIN 911775903 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  83. Construction Millennials of America

    EIN 300592301 · Headquarters: Walnut Creek, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Consult Bridge Inc

    EIN 920729457 · Headquarters: Walnut Creek, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Continental Little League of Concord

    EIN 237188774 · Headquarters: WALNUT CREEK, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Contra Costa Ballet Foundation

    EIN 237428748 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Contra Costa Bell Golf Club

    EIN 943198039 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Contra Costa Chamber Orchestra

    EIN 942996012 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Contra Costa Children's Chorus

    EIN 680065565 · Headquarters: WALNUT CREEK, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990

  90. Contra Costa Chinese School

    EIN 680040243 · Headquarters: Walnut Creek, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Contra Costa Christian Schools Association

    EIN 942722091 · Headquarters: WALNUT CREEK, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Contra Costa County Service Assoc of Aa

    EIN 941725249 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Contra Costa County Taxpayers Association

    EIN 940402685 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Contra Costa Court Scholarship Fund Richard E Arnason Court Scholarship Fund

    EIN 262827988 · Headquarters: WALNUT CREEK, CA, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  95. Contra Costa Crisis Center

    EIN 941747227 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Contra Costa Economic Partnership Inc

    EIN 680360130 · Headquarters: WALNUT CREEK, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Contra Costa Fc Inc

    EIN 850671519 · Headquarters: WALNUT CREEK, CA, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  98. Contra Costa Juvenile Advocates Inc

    EIN 821305690 · Headquarters: Walnut Creek, CA, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Contra Costa Midrasha

    EIN 680171267 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Contra Costa Musical Theatre Inc

    EIN 946184436 · Headquarters: Walnut Creek, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

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