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. Oakdale Saddle Club

    EIN 946123276 · Headquarters: Oakdale, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Oakdale Water Network

    EIN 812952707 · Headquarters: ESCALON, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  3. Oakes Ditch Company

    EIN 941500290 · Headquarters: FARMERSVILLE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. Oakgrove Baptist Church

    EIN 942321546 · Headquarters: San Jose, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  5. Oakgrove Youth Football Booster Club Inc

    EIN 770221188 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  6. Oakhurst Ragtime Association

    EIN 472257985 · Headquarters: Coarsegold, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  7. Oakhurst Sierra Sunrise Rotary Club

    EIN 770149555 · Headquarters: Oakhurst, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Oakhurst Sierra Sunrise Rotary Foundation

    EIN 770229309 · Headquarters: Oakhurst, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Oakie Charitable Foundation Trust Charitable Foundation

    EIN 954242742 · Headquarters: OXNARD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  10. Oakland 100 Club

    EIN 946072210 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Oakland Aviation Museum

    EIN 942737950 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Oakland Bears Hockey Booster Association

    EIN 261569813 · Headquarters: Alameda, CA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  13. Oakland Chamber of Commerce

    EIN 940726580 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Oakland Chinatown Chamber of Commerce Inc

    EIN 942960444 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Oakland Chinatown Foundation

    EIN 943092263 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Oakland Chinese Music Association

    EIN 830646515 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  17. Oakland Dog Training Club Inc

    EIN 946104196 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Oakland Education Association

    EIN 941330958 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Oakland Fair Elections

    EIN 882779765 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  20. Oakland Fire Department Relief Fund Association

    EIN 941090848 · Headquarters: Pleasant Hill, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Oakland Firefighters Health and Welfare Trust

    EIN 942918245 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Oakland Firefighters Random Acts

    EIN 943387723 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Oakland Heritage Alliance

    EIN 942719035 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Oakland Housing Initiatives Inc

    EIN 943137613 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  25. Oakland Inaugural Committee 2025

    EIN 392273209 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Oakland Land and Cattle Company Ltd

    EIN 941688863 · Headquarters: Moraga, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. Oakland Masonic Center

    EIN 940727050 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  28. Oakland Mf Housing Group Inc

    EIN 943117549 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Oakland Motorcycle Club of Oakland Ca

    EIN 942835698 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Oakland Neighbors for Our Parks and People 2020

    EIN 843795030 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  31. Oakland Neighbors United No On Measure Q

    EIN 844493746 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  32. Oakland Police Emergency Net

    EIN 943222109 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Oakland Police Officers Association

    EIN 946067096 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Oakland Police Officers Association IBT

    EIN 776008548 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Oakland Police Officers Sports Association

    EIN 942927317 · Headquarters: OAKLAND, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Oakland Police Officers Veterans and Friends Opd-vaf

    EIN 991792320 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Oakland Potluck

    EIN 943048742 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  38. Oakland Progressive Day Care Center

    EIN 943022702 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Oakland Ski Club Inc

    EIN 941338867 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Oakland Small & Family Business Association

    EIN 831330914 · Headquarters: San Rafael, CA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  41. Oakland Tech Exchange

    EIN 922199377 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Oakland Turnverein Mixed Chorus

    EIN 946008261 · Headquarters: SAN LEANDRO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Oakland Working Families

    EIN 814013391 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  44. Oakland Yacht Club Inc

    EIN 940727720 · Headquarters: ALAMEDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Oakland Youth Vote

    EIN 852147462 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  46. Oakland- East Bay Garden Center Inc

    EIN 946102783 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Oaklanders for a Safe Clean & Healthy City Yes on Measure E

    EIN 412600950 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Oaklanders Together

    EIN 873953757 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  49. Oaklanders Together - For A Safer Oaklan

    EIN 991672896 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Oaklantis Swim Team

    EIN 474404482 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. Oakley Police Officers Association

    EIN 812353125 · Headquarters: OAKLEY, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Oakmont Country Club

    EIN 951865313 · Headquarters: GLENDALE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Oaks North Bowls Club of Rancho Bernardo

    EIN 953219760 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Oaks North Ceramic Club

    EIN 932941592 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Oaks North Pickleball Club

    EIN 843062259 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Oaks North Travel Club Inc

    EIN 237326178 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Oaks Parent-child Workshop

    EIN 951689449 · Headquarters: SANTA BARBARA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Oaktown Teen Times

    EIN 270971136 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  59. Oakville Winegrowers

    EIN 911755479 · Headquarters: Oakville, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Oakwood Cemetery Association of Los Angeles

    EIN 951730625 · Headquarters: CHATSWORTH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Oakwood Estates Homeowner Association Inc

    EIN 273277738 · Headquarters: EL MONTE, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  62. Oasis Adult Foundation

    EIN 273121810 · Headquarters: Monterey Park, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  63. Oasis Camel Foundation

    EIN 920322116 · Headquarters: Ramona, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Oasis of Hope Inc

    EIN 364968677 · Headquarters: Lakewood, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Oasis of Southern California

    EIN 861076889 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  66. Oasis Organization of Asian Indians at Sbc - Bay Area Chapter

    EIN 270031245 · Headquarters: San Ramon, CA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  67. Oasis Traveling Golf Club

    EIN 010929149 · Headquarters: MENIFEE, CA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  68. Obedience Club of San Diego County

    EIN 510157983 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  69. Oberndorf Family Foundation

    EIN 680299542 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  70. Obey Inc

    EIN 953251843 · Headquarters: Costa Mesa, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Obinna Chukwuka Jesus Foundation

    EIN 994403981 · Headquarters: PARAMOUNT, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Oblates of Merciful Love Foundation

    EIN 464594397 · Headquarters: Chula Vista, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  73. Obren B & Marilyn M Gerich Foundation

    EIN 953686022 · Headquarters: Moorpark, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  74. Obrien Clan Foundation

    EIN 911897183 · Headquarters: Napa, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  75. Obrien Council No 117 Knight Masons

    EIN 474110008 · Headquarters: Camarillo, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Oc Beach Cleanup

    EIN 871243168 · Headquarters: Newport Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Oc Bills Backers at the Beach

    EIN 883340821 · Headquarters: Costa Mesa, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  78. Oc Equestrian Vaulting

    EIN 464823051 · Headquarters: NEWPORT BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Oc Greengo a California Non-profit Mutual Benefit Corporation

    EIN 300574308 · Headquarters: LAGUNA NIGUEL, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  80. Oc Junior Roller Derby

    EIN 461961592 · Headquarters: Huntington Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  81. Oc Lawmen Inc

    EIN 881918516 · Headquarters: Fountain Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Oc Outsiders Softball

    EIN 205092144 · Headquarters: COTO DE CAZA, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Oc Philanthropist Inc

    EIN 460759851 · Headquarters: Rancho Santa Margarita, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  84. Oc Ulti Inc

    EIN 862760300 · Headquarters: Trabuco Canyon, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. OCBA Charitable Fund

    EIN 330690752 · Headquarters: Newport Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Occidental Canal Company Inc

    EIN 941282582 · Headquarters: Gustine, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Occidental Community Choir

    EIN 680061682 · Headquarters: Occidental, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Occidental Community Council

    EIN 680210460 · Headquarters: Occidental, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Ocd Sacramento Foundation Inc

    EIN 272343635 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Ocean Adventure Programs Inc

    EIN 953609973 · Headquarters: LAGUNA BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Ocean Air Elementary Pta

    EIN 900327643 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Ocean Beach Elementary Pta

    EIN 030462303 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Ocean Beach Emergency Food Incorporated

    EIN 953388563 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Ocean Beach Merchant's Association Inc

    EIN 330185092 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Ocean Front Company

    EIN 956059587 · Headquarters: HUNTINGTON BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Ocean Hills Social Clubs

    EIN 330383009 · Headquarters: OCEANSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. Ocean Knoll PTA

    EIN 956207662 · Headquarters: Encinitas, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Ocean Technologies Foundation

    EIN 833985706 · Headquarters: Hayward, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  99. Ocean View Elementary School Pta

    EIN 956207663 · Headquarters: WHITTIER, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Ocean View Foundation Dba Ocean View Plaza

    EIN 941665936 · Headquarters: HALF MOON BAY, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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