Nonprofits in California

Nonprofits in California. Browse 229,931 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 Social Labs

    EIN 992475660 · Headquarters: Irvine, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. California Society for Biomedical Research

    EIN 942906825 · Headquarters: SACRAMENTO, CA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. California Society for Cardiac Rehabilitation

    EIN 330108396 · Headquarters: murrieta, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. California Society for Ecological Restoration

    EIN 770544536 · Headquarters: Sacramento, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. California Society for Healthcare Attorneys

    EIN 942675435 · Headquarters: DAVIS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. California Society for Healthcare Risk Management

    EIN 680356628 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. California Society for Histotechology

    EIN 953464223 · Headquarters: Irvine, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. California Society for Psychical Study Inc

    EIN 946128584 · Headquarters: Berkeley, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  9. California Society For Respiratory Care

    EIN 237037429 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. California Society for the Advancement of Behavior Analysis I

    EIN 260698470 · Headquarters: Oakland, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  11. California Society for the Prevention of Cruelty to Animals I

    EIN 934915451 · Headquarters: Chula Vista, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. California Society of Accounting & Tax Professionals

    EIN 680080691 · Headquarters: MONTEREY PARK, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  13. California Society of Addiction Medicine

    EIN 237364605 · Headquarters: SACRAMENTO, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. California Society of American Foresters

    EIN 237389577 · Headquarters: ACTON, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. California Society of Anesthesiologists Inc

    EIN 946076499 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. California Society of Association Executives

    EIN 680001795 · Headquarters: Roseville, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. California Society of Certified Public Accountants

    EIN 941056137 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. California Society of Dentist Anesthesiologists

    EIN 820926477 · Headquarters: Santa Barbara, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. California Society of Dermatology & Dermatologic Surgery

    EIN 205050410 · Headquarters: San Francisco, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990

  20. California Society of Enrolled Agents Education Foundation

    EIN 262097821 · Headquarters: Rancho Cordova, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. California Society of Enrolled Agents Group Return

    EIN 943084545 · Headquarters: Rancho Cordova, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. California Society of Enrolled Agents Inc

    EIN 942419171 · Headquarters: Rancho Cordova, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. California Society of Environmental Analysts

    EIN 842283710 · Headquarters: Lower Lake, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. California Society of Facial Plastic Surgery Inc

    EIN 330895391 · Headquarters: San Mateo, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. 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

  26. California Society of Health-System Pharmacists

    EIN 946252725 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. California Society of Health-system Pharmacists Central Valley Chapter

    EIN 680454182 · Headquarters: French Camp, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. California Society of Industrial Medicine and Surgery

    EIN 953529899 · Headquarters: LONG BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. California Society of Interventional Pain Physicians Inc

    EIN 954885982 · Headquarters: LOMITA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. California Society of Medical Assistants

    EIN 953847880 · Headquarters: WALNUT, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. California Society of Newspaper Editors

    EIN 330389950 · Headquarters: modesto, CA, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  32. California Society of Pathologists

    EIN 237072917 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. California Society of Pediatric Dentistry

    EIN 942314480 · Headquarters: LA QUINTA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. California Society of Periodontists

    EIN 941612106 · Headquarters: NORCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. California Society of Physical Medicine and Rehabilitation

    EIN 842563049 · Headquarters: Sacramento, CA, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. California Society of Physiologists

    EIN 822112408 · Headquarters: Davis, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. California Society of Plastic

    EIN 943222680 · Headquarters: TIBURON, CA, USA · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  38. California Society of Printmakers

    EIN 943041475 · Headquarters: san francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. California Society of Professional Engineers

    EIN 237228198 · Headquarters: Sacramento, CA, US · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  40. California Society of Professional Engineers

    EIN 510137285 · Headquarters: Sacramento, CA, US · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  41. California Society of Professional Engineers

    EIN 680470877 · Headquarters: Sacramento, CA, US · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  42. California Society of Professional Engineers

    EIN 941255780 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. California Society of Professional Engineers

    EIN 942292594 · Headquarters: Sacramento, CA, US · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  44. California Society of Professional Engineers

    EIN 942376652 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  45. California Society of Professional Engineers Educa

    EIN 680092524 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  46. California Society of Radiologic Technologists

    EIN 952474449 · Headquarters: Fresno, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  47. California Society of Tax Consultants

    EIN 952427994 · Headquarters: Manhattan Beach, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  48. California Society of the Order of the Founders of North America

    EIN 472281211 · Headquarters: Clayton, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. California Society of the Sons of the American Revolution

    EIN 330251511 · Headquarters: TORRANCE, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. California Society of Thoracic Surgeons

    EIN 330743375 · Headquarters: los angeles, CA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  51. California Sociological Association

    EIN 720249824 · Headquarters: Friant, CA, US · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. California Solar Energy Industries Association

    EIN 942494987 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. California Soloists Ensemble

    EIN 331252196 · Headquarters: La Mirada, CA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. California Sound Collective

    EIN 474869658 · Headquarters: San Jose, CA, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  55. California South Coast Retriever Club Inc

    EIN 371611143 · Headquarters: Montrose, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  56. California Southern Small Business Development Corporation

    EIN 330378044 · Headquarters: Bonita, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. California Space Authority Inc

    EIN 770561111 · Headquarters: SANTA MARIA, CA, USA · Science & Technology · Latest available filing year: 2010 · Primary form: IRS Form 990

  58. California Space Education and Workforce

    EIN 201112281 · Headquarters: ARROYO GRANDE, CA, USA · Science & Technology · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  59. California Space Port Institute Inc

    EIN 822659355 · Headquarters: SANTA MARIA, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. California Space Program

    EIN 942920536 · Headquarters: BERKELEY, CA, US · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  61. California Spay

    EIN 933763640 · Headquarters: CLOVIS, CA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. California Spay and Neuter License Plate Fund Inc

    EIN 272591064 · Headquarters: Laguna Beach, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. California Special Districts Association

    EIN 237065662 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. California Specialty Crops Council

    EIN 770715984 · Headquarters: Fresno, CA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. California Spectrum Care Inc

    EIN 811444578 · Headquarters: SANTA CLARITA, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. California Speech-language-hearing Association

    EIN 946125447 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. California Speedboat Association

    EIN 900362177 · Headquarters: REDWOOD CITY, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. California Spirit 55 Inc

    EIN 371508005 · Headquarters: Fallbrook, CA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  69. California Spirit Elite Boosters Inc

    EIN 262089646 · Headquarters: Dublin, CA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  70. California Spiritist Association

    EIN 474032783 · Headquarters: San Diego, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. California Sportfishing League

    EIN 465483154 · Headquarters: Folsom, CA, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  72. California Sportfishing Protection Allia

    EIN 680004105 · Headquarters: Groveland, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  73. California Sporting Clays Association

    EIN 271451841 · Headquarters: Newport Beach, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. California Sporting Club

    EIN 833719939 · Headquarters: RIVERSIDE, CA, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  75. California Sporting Dog Association

    EIN 813388895 · Headquarters: Turlock, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. California Sports and Education Foundation

    EIN 364505107 · Headquarters: Rancho Cordova, CA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  77. California Sports Car Club Inc

    EIN 951722841 · Headquarters: BUTTONWILLOW, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. California Sports Foundation Inc

    EIN 843261527 · Headquarters: SAN DIEGO, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. California Sports Group Inc

    EIN 845175230 · Headquarters: Irvine, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. California Sports Hall of Fame

    EIN 204808852 · Headquarters: ALTA LOMA, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. California Sports Innovation CSI

    EIN 993938237 · Headquarters: Mission Viejo, CA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  82. California Sports Officiating Association Inc

    EIN 273474995 · Headquarters: Clovis, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. California Sportsmans Lobby Inc

    EIN 942494974 · Headquarters: SACRAMENTO, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  84. California Spring Jersey Show

    EIN 861961498 · Headquarters: Fresno, CA, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. California Staff Assault Task Force

    EIN 510495652 · Headquarters: PALMDALE, CA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. California Staff Organization Inc

    EIN 954497350 · Headquarters: MERCED, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. California Staffing Professionals Association

    EIN 946105800 · Headquarters: Aptos, CA, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. California Standardbred Sires Stakes Committee Inc

    EIN 330086793 · Headquarters: SACRAMENTO, CA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2023 · Primary form: IRS Form 990

  89. California Stars-coast Girls Fast Pitch Association Inc

    EIN 208646904 · Headquarters: Santa Maria, CA, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  90. California State Alliance of Ymcas

    EIN 471924794 · Headquarters: SACRAMENTO, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. California State Alumni Association Inc

    EIN 452922655 · Headquarters: San Mateo, CA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  92. California State Assembly of the Assoc of Surgical Technologists

    EIN 912172333 · Headquarters: Canyon Country, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. California State Association of Electrical Workers

    EIN 956111473 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. California State Association of Occupational Health Nurses Inc

    EIN 952875672 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. California State Association of Parliamentarians

    EIN 237055190 · Headquarters: SAN FRANCISCO, CA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  96. California State Association of Psychiatrists

    EIN 854353049 · Headquarters: SACRAMENTO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. California State Athletic Directors Association

    EIN 330395455 · Headquarters: Acampo, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. California State Automobile Association

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

  99. California State Band Championships

    EIN 810838989 · Headquarters: Chino Hills, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. California State Baptist Convention Inc

    EIN 680049281 · Headquarters: San Francisco, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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