Unknown & Unclassified nonprofits in California

Unknown & Unclassified nonprofits in California. Browse 48,218 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. Castlebay Lane Elementary School Parent and Teachers Helping

    EIN 237425881 · Headquarters: PORTER RANCH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Castlemont Home and School Club

    EIN 770083177 · Headquarters: CAMPBELL, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Castleton Ranch Horse Rescue Inc

    EIN 113731839 · Headquarters: VALLEY CENTER, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Castro Valley Arts Foundation

    EIN 810654619 · Headquarters: CASTRO VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Castro Valley Chamber of Commerce Inc

    EIN 941321044 · Headquarters: CASTRO VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. Castro Valley City

    EIN 932945664 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. Castro Valley Educational Foundation

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

  8. 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

  9. Castro Valley Lacrosse Club

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

  10. 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

  11. 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

  12. 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

  13. Castro Valley Soccer Club

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

  14. Castro Valley Teachers Association

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

  15. Catacosm Communities Corporation

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

  16. Catalina 25 National Association

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

  17. 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

  18. Catalina Island Conservancy

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

  19. Catalina Island Humane Society Inc

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

  20. Catalina Island Museum

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

  21. Catalina Island Saddle Club

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

  22. Catalonia Inc

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

  23. Catesol

    EIN 953096320 · Headquarters: EUREKA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Cathedral City Chamber of Commerce

    EIN 952084003 · Headquarters: Indio, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Cathedral City Evening Rotary Club

    EIN 611739149 · Headquarters: CATHEDRAL CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  26. Cathedral City Firefighter's Association

    EIN 330535234 · Headquarters: CATHEDRAL CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Cathedral of Light

    EIN 942246073 · Headquarters: Selma, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  28. Cathedral Wood Mutual Water Company

    EIN 946114225 · Headquarters: Scotts Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Catholic Action for Peace Through Songs

    EIN 330026818 · Headquarters: RANCHO MIRAGE, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  30. Catholic Alumni Club of Sacramento

    EIN 680349046 · Headquarters: Carmichael, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  31. Catholic Answers

    EIN 953754404 · Headquarters: EL CAJON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Catholic Apostolic Church Eastern Rite

    EIN 953044835 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  33. Catholic Big Brothers Big Sisters Inc

    EIN 951690972 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Catholic Charities East Bay

    EIN 942677202 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Catholic Charities of California

    EIN 954098671 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Catholic Charities of Sacramento

    EIN 942576612 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Catholic Charities of Yolo-Solano

    EIN 465010936 · Headquarters: Fairfield, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Catholic Charities San Bernardino & Riverside Counties

    EIN 953516461 · Headquarters: San Bernardino, CA, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Catholic Community Foundation

    EIN 830400149 · Headquarters: SAN JOSE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Catholic Daughters of America 1158 Ct St Theresa

    EIN 237172361 · Headquarters: Newman, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  41. Catholic Daughters of America 2280 Ct Our Lady of Refuge

    EIN 521400372 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  42. Catholic Daughters of America St Margaret Mary Court

    EIN 237170519 · Headquarters: ANTIOCH, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  43. Catholic Daughters of Americas

    EIN 770283599 · Headquarters: Tehachapi, CA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  44. Catholic Daughters of the Americas

    EIN 237196748 · Headquarters: Fremont, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  45. Catholic Daughters of the Americas

    EIN 731682532 · Headquarters: La Mesa, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  46. Catholic Ladies Relief Society 2

    EIN 900533273 · Headquarters: Marysville, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Catholic Ladies Relief Society No 11

    EIN 010946235 · Headquarters: Citrus Heights, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Catholic Ladies Relief Society of the Sacramento Diocese

    EIN 941219119 · Headquarters: Citrus Heights, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Catholic Ming Yuan Institute

    EIN 954427243 · Headquarters: ALHAMBRA, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  50. Catholic Social Service Guild

    EIN 810591969 · Headquarters: MODESTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Catholic War Veterans of the United States of America Inc

    EIN 611575630 · Headquarters: Fairfield, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  52. Catina Rose Victims of Crime Assistance League

    EIN 942994532 · Headquarters: AUBURN, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Cats and Rescues

    EIN 332473628 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Cats Animal Rescue and Sanctuary

    EIN 854349498 · Headquarters: Colfax, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Catsrus Rescue and Adoption Inc

    EIN 832987008 · Headquarters: Woodland, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Cattery Suteki

    EIN 471869293 · Headquarters: Jamul, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  57. Caufield Family Foundation

    EIN 943187012 · Headquarters: PALM SPRINGS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  58. Caulfield Lane Senior Housing Inc

    EIN 680253852 · Headquarters: SANTA ROSA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Cavalier Reunion Class of 1973

    EIN 931817072 · Headquarters: Rancho Mission Viejo, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  60. Cavion Care Residential Services

    EIN 394806340 · Headquarters: Ontario, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Cavite Association of Southern California Inc

    EIN 952624488 · Headquarters: Escondido, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Cayucos Beach Mutual Water Company

    EIN 951599148 · Headquarters: CAYUCOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Cayucos Chamber of Commerce

    EIN 956111336 · Headquarters: Cayucos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Cayuga Improvement Association

    EIN 383811923 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  65. Cazadero Community Club

    EIN 942666140 · Headquarters: CAZADERO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Cb Ballast Inc

    EIN 882720591 · Headquarters: WHITTIER, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  67. Cbla

    EIN 453277098 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Cbmc Inc

    EIN 237246954 · Headquarters: Arcadia, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Cbmc Inc

    EIN 760769652 · Headquarters: SANTA ANA, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  70. Cbmc Inc

    EIN 952986319 · Headquarters: Santa Barbara, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Cbmc Inc N San Diego County

    EIN 951738762 · Headquarters: OCEANSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Cbmc Knight Protector

    EIN 923848293 · Headquarters: Fallbrook, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  73. Cbmc of Fresno Ca

    EIN 942317095 · Headquarters: FRESNO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Cc Soccer Corporation

    EIN 203220305 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. CCAPP Credentialing

    EIN 237261884 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. CCB Foundation

    EIN 881403013 · Headquarters: San Jose, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Ccim Chapter San Diego

    EIN 953849673 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Ccpoa Benefit Trust Fund

    EIN 946459649 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Ccpoa Legal Defense Fund

    EIN 686072830 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Ccs Publishing House

    EIN 395157231 · Headquarters: WEST COVINA, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Ccwa Sacramento Hq Chapter

    EIN 920594508 · Headquarters: VISALIA, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Cdf Slo County Fire Fighters Benevolent Association

    EIN 770305877 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. CDM Baseball Boosters Inc

    EIN 831106677 · Headquarters: Newport Beach, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Cdmhs Touchdown Club Inc

    EIN 330452546 · Headquarters: NEWPORT BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. Ceava Foundation Inc

    EIN 821531361 · Headquarters: WESTMINSTER, CA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  86. Cecchetti Society

    EIN 953899980 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Cecil Avenue Apartments Inc

    EIN 953858285 · Headquarters: LONG BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Cecil B De Mille Foundation

    EIN 954268286 · Headquarters: BURBANK, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  89. Cecil L Murray Education Center

    EIN 954290911 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  90. Cedar Brook Cabin Owners Association Inc

    EIN 942405543 · Headquarters: PARLIER, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Cedar Pass Snow Park Inc

    EIN 680408090 · Headquarters: ALTURAS, CA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  92. Cedar Rapids Rhf Housing Inc

    EIN 330240088 · Headquarters: LONG BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. Cedar Ridge Improvement Association

    EIN 942566641 · Headquarters: TWAIN HARTE, CA, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  94. Cedar Slope Mutual Water Company

    EIN 952319041 · Headquarters: BAKERSFIELD, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Cedar Springs Foundation

    EIN 510138309 · Headquarters: Auberry, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Cedarbrook Camp Southern California

    EIN 237422432 · Headquarters: Hesperia, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. Cedarpines Park Mutual Water Company

    EIN 950612820 · Headquarters: Cedarpines Park, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Cedars of Lebanon Foundation Dba Annette & Richard T Caleel Fam Fdtn

    EIN 363836767 · Headquarters: MONTECITO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  99. Cedars Sinai Alumni Association Inc

    EIN 237110551 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Cej Zimmerman Foundation

    EIN 680318463 · Headquarters: ANTIOCH, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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