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. Castro Valley Crocodiles Swim Team

    EIN 800933107 · Headquarters: CASTRO VALLEY, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Castro Valley Dramatic Arts Academy

    EIN 300645979 · Headquarters: Castro Valley, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  3. Castro Valley Educational Foundation

    EIN 942797523 · Headquarters: CASTRO VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Castro Valley Girls Softball League

    EIN 942745176 · Headquarters: Castro Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Castro Valley Historical Society

    EIN 510138199 · Headquarters: Castro Valley, CA, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  6. Castro Valley Independent Baseball

    EIN 943231949 · Headquarters: CASTRO VALLEY, CA, USA · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990

  7. Castro Valley Lacrosse Club

    EIN 833228667 · Headquarters: Pleasanton, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  8. Castro Valley Little League

    EIN 942786823 · Headquarters: CASTRO VALLEY, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Castro Valley Masonic Temple Association

    EIN 946090873 · Headquarters: Castro Valley, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Castro Valley Matters Inc

    EIN 474273515 · Headquarters: Castro Valley, CA, US · Public & Societal Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  11. Castro Valley Mothers Club

    EIN 943328074 · Headquarters: San Lorenzo, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Castro Valley Orchestra Association

    EIN 464153305 · Headquarters: Castro Valley, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Castro Valley Outreach Inc

    EIN 943382914 · Headquarters: Castro Valley, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Castro Valley Parent Nursery School

    EIN 237400265 · Headquarters: Castro Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Castro Valley Post No 649 the American Legion Department Of

    EIN 946101583 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Castro Valley Pride

    EIN 463613898 · Headquarters: Hayward, CA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Castro Valley Rotary Club Community Foundation

    EIN 921003382 · Headquarters: Pleasanton, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Castro Valley Schools Administrator Association

    EIN 873055479 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Castro Valley Science

    EIN 822723845 · Headquarters: Castro Valley, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Castro Valley Ski Club

    EIN 943079261 · Headquarters: Castro Valley, CA, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  21. Castro Valley Soccer Club

    EIN 942923294 · Headquarters: Castro Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. Castro Valley Sports Foundation

    EIN 542101025 · Headquarters: Castro Valley, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Castro Valley Teachers Association

    EIN 942382424 · Headquarters: SAN LEANDRO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Castro Valley Teachers Association

    EIN 946140221 · Headquarters: San Leandro, CA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  25. Castro Valley Track Club

    EIN 264001457 · Headquarters: Pleasanton, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Castro Valley Veterans Memorial Library Foundation

    EIN 832183872 · Headquarters: Castro Valley, CA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Castro Valley Womens Club

    EIN 946133690 · Headquarters: Castro Valley, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Castroville Artichoke Festival Inc

    EIN 474305275 · Headquarters: CASTROVILLE, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Castroville Cemetery Foundation

    EIN 364774135 · Headquarters: Castroville, CA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  30. Castroville Coalition

    EIN 912118685 · Headquarters: CASTROVILLE, CA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  31. Castroville Festivals Inc

    EIN 770026718 · Headquarters: CASTROVILLE, CA, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  32. Castroville School Parent-te

    EIN 770233218 · Headquarters: CASTROVILLE, CA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  33. Casual Science Inc

    EIN 821842941 · Headquarters: San Francisco, CA, US · Science & Technology · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  34. Casualty Actuaries of the Bay Area

    EIN 992708327 · Headquarters: Castro Valley, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Caswell Elementary Parent Teacher Club

    EIN 870796179 · Headquarters: CERES, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Cat Adoption Service

    EIN 020624321 · Headquarters: Escondido, CA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Cat and Dog Rescue Association

    EIN 954285108 · Headquarters: Mojave, CA, US · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  38. Cat Angel Network

    EIN 474617305 · Headquarters: Forest Knolls, CA, US · Animal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  39. Cat Assistance Referral & Education (CARE)

    EIN 954347009 · Headquarters: Sherman Oaks, CA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Cat Caring Connection

    EIN 943162121 · Headquarters: Tiburon, CA, US · Animal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  41. Cat College

    EIN 830903810 · Headquarters: Rancho Cucamonga, CA, US · Animal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  42. Cat Cove Pet Rescue

    EIN 465723137 · Headquarters: Bellflower, CA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Cat Crew California

    EIN 873128574 · Headquarters: Hollister, CA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Cat Crossing

    EIN 954377549 · Headquarters: Winnetka, CA, US · Animal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  45. Cat Fix Of Oc

    EIN 880938838 · Headquarters: FOUNTAIN VALLEY, CA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Cat Garden Rescue

    EIN 854117080 · Headquarters: PINOLE, CA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Cat Guardians Tnr & Rescue

    EIN 332410770 · Headquarters: Salinas, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Cat Lounge Rescue and Adoption Center

    EIN 834145075 · Headquarters: La Jolla, CA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Cat Museum of San Francisco

    EIN 273401463 · Headquarters: San Francisco, CA, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  50. Cat Network of Stanislaus

    EIN 364787006 · Headquarters: Modesto, CA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Cat Noir Rescue

    EIN 994620557 · Headquarters: LOS ANGELES, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Cat Rescue of Cloverdale

    EIN 392838915 · Headquarters: CLOVERDALE, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Cat Rescue Team

    EIN 845060707 · Headquarters: PASADENA, CA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Cat Resource Center

    EIN 271020831 · Headquarters: Santa Clara, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Cat Support Network

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

  56. Cat Tales Rescue

    EIN 264790262 · Headquarters: Vacaville, CA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Cat Town

    EIN 273838132 · Headquarters: OAKLAND, CA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Cat Welfare Advocates

    EIN 320536161 · Headquarters: San Jose, CA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Cataboo Basic School Enhancement Program Incorporated

    EIN 331681439 · Headquarters: CHINO HILLS, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Catacap

    EIN 862370923 · Headquarters: SAN FRANCISCO, CA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Catacosm Communities Corporation

    EIN 991252444 · Headquarters: Ladera Ranch, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Catalight

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

  63. Catalina 25 National Association

    EIN 421244645 · Headquarters: Davis, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Catalina Art Association

    EIN 237354162 · Headquarters: AVALON, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  65. Catalina Bio Tech Inc

    EIN 272474784 · Headquarters: Palm Desert, CA, US · Science & Technology · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  66. Catalina Channel Swimming Federation

    EIN 260827228 · Headquarters: Culver City, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. Catalina Chimes Tower Foundation

    EIN 464347448 · Headquarters: AVALON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  68. Catalina Choices Inc

    EIN 263284625 · Headquarters: AVALON, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Catalina Classic Paddleboard Association Inc

    EIN 954707794 · Headquarters: Redondo Beach, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Catalina Ecology Project

    EIN 364711777 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  71. Catalina Frigate

    EIN 871422066 · Headquarters: HAWTHORNE, CA, US · Public & Societal Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  72. Catalina Historical Society

    EIN 383929734 · Headquarters: Avalon, CA, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  73. Catalina Island Chamber of Commerce and Visitors Bureau

    EIN 951550614 · Headquarters: AVALON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Catalina Island Conservancy

    EIN 237228407 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Catalina Island Foundation

    EIN 832933129 · Headquarters: AVALON, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. Catalina Island Humane Society Inc

    EIN 237419988 · Headquarters: AVALON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Catalina Island Medical Center Foundation Inc

    EIN 330627293 · Headquarters: AVALON, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Catalina Island Museum

    EIN 951880698 · Headquarters: Avalon, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Catalina Island Performing Arts Foundation

    EIN 330583694 · Headquarters: AVALON, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  80. Catalina Island Saddle Club

    EIN 911889915 · Headquarters: AVALON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Catalina Island Search & Rescue Team

    EIN 330439088 · Headquarters: AVALON, CA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Catalina Island Womens Forum

    EIN 330676803 · Headquarters: AVALON, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Catalina Island Yacht Club

    EIN 950611620 · Headquarters: DANA POINT, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Catalina Island Yacht Club Foundation

    EIN 912145167 · Headquarters: DANA POINT, CA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. Catalina Jr Golf

    EIN 933373596 · Headquarters: Carlsbad, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Catalina Kid Ventures

    EIN 455397024 · Headquarters: AVALON, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Catalina Marine Society

    EIN 800523866 · Headquarters: Lomita, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Catalina Outdoor Adventure Club

    EIN 334662935 · Headquarters: Avalon, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Catalina Piano Performance Workshop for Adults

    EIN 352495446 · Headquarters: Palm Desert, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Catalina Racquet Club Association

    EIN 953505825 · Headquarters: Avalon, CA, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  91. Catalina Sea Bass Fund Inc

    EIN 330769316 · Headquarters: AVALON, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  92. Catalina Womens Golf Club

    EIN 237157565 · Headquarters: AVALON, CA, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  93. Catalina Youth Arts Exchange

    EIN 330448139 · Headquarters: avalon, CA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  94. Catalinas Gift

    EIN 272615449 · Headquarters: DOWNEY, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Catalino Tapia Scholarship Foundati

    EIN 810579134 · Headquarters: SAN CARLOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Catalonia Inc

    EIN 943182019 · Headquarters: HAYWARD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Catalysis Foundation for Health Inc

    EIN 208602047 · Headquarters: San Ramon, CA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  98. Catalyst - A Wilson School Foundation

    EIN 922924408 · Headquarters: Petaluma, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  99. Catalyst California

    EIN 954835230 · Headquarters: LOS ANGELES, CA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Catalyst Domestic Violence Services

    EIN 942587378 · Headquarters: Chico, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

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