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. Ocean View Teachers Association

    EIN 953215844 · Headquarters: HUNTINGTON BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Ocean Voyages Institute

    EIN 942665367 · Headquarters: Sausalito, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Ocean Wave Quilters

    EIN 223876851 · Headquarters: Fort Bragg, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Oceanforesters Foundation

    EIN 884007001 · Headquarters: OXNARD, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Oceanic Society Expeditions

    EIN 943105570 · Headquarters: Ross, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Oceanographic Teaching Stations Inc

    EIN 953409019 · Headquarters: Manhattan Beach, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Oceanside 650 Squad Club

    EIN 882071832 · Headquarters: Vista, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  8. Oceanside American Little League I

    EIN 330466376 · Headquarters: OCEANSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Oceanside Chamber of Commerce

    EIN 951061083 · Headquarters: OCEANSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Oceanside City Employees Association

    EIN 330365711 · Headquarters: OCEANSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. Oceanside Firefighters Association

    EIN 237151605 · Headquarters: Oceanside, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Oceanside for a Safer Community

    EIN 814985505 · Headquarters: Oceanside, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Oceanside Historical Society Inc

    EIN 330202910 · Headquarters: OCEANSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Oceanside Ivey Ranch Park Association

    EIN 953775136 · Headquarters: OCEANSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Oceanside Manufactured Homeowners Alliance

    EIN 562476157 · Headquarters: SAN LUIS REY, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Oceanside Masonic Hall Association

    EIN 956074358 · Headquarters: Oceanside, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Oceanside Moose Lodge No 1325

    EIN 951755307 · Headquarters: OCEANSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Oceanside National Little League

    EIN 330081177 · Headquarters: Oceanside, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Oceanside Odd Fellows Foundation

    EIN 393981228 · Headquarters: Oceanside, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Oceanside Police Dept Benefit Assoc

    EIN 953453684 · Headquarters: OCEANSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. Oceanside Republican Womens Federated

    EIN 680423683 · Headquarters: Oceanside, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  22. Oceanside Senior Anglers Club

    EIN 330601853 · Headquarters: Oceanside, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  23. Oceanside Soar

    EIN 822162062 · Headquarters: Fallbrook, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. Oceanside Soccer Club

    EIN 953776165 · Headquarters: OCEANSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Oceanside Teachers Association

    EIN 952633769 · Headquarters: OCEANSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Oceanside Unit 531 American Contract Bridge League

    EIN 237259804 · Headquarters: Oceanside, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Oceanside Yacht Club

    EIN 952302150 · Headquarters: Oceanside, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Oceanview Little League

    EIN 510256165 · Headquarters: HUNTINGTON BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Ocella Riley Memorial Fund CO Christopher Eley Attorney

    EIN 237079972 · Headquarters: Stockton, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. Ochl

    EIN 882796804 · Headquarters: IRVINE, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  31. Oci Education Center

    EIN 833682106 · Headquarters: Orange, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  32. Oco Club

    EIN 330395041 · Headquarters: SANTA ANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  33. Oconnor Tract Cooperative Water Company

    EIN 940729520 · Headquarters: Palo Alto, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Oconokowak Gardens Inc

    EIN 943021244 · Headquarters: Alameda, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Ocroc 2028

    EIN 994522150 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Ocroha Inc

    EIN 203208256 · Headquarters: Garden Grove, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  37. Ocular Heritage Society Tt

    EIN 351801643 · Headquarters: La Canada Flintridge, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Odc Theater

    EIN 943372711 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Odd Fellows Cemetery Association Los Angeles

    EIN 950950420 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Odd Fellows Cemetery Associationoakdale Inc

    EIN 941121885 · Headquarters: OAKDALE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Odd Fellows Hall Association of Windsor Inc

    EIN 900662229 · Headquarters: Windsor, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  42. Odd Fellows Home of California

    EIN 941251113 · Headquarters: NAPA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Odessas Vision Inc

    EIN 843960538 · Headquarters: San Clemente, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Odpi Inc

    EIN 352542658 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  45. Off the Chain Alliance

    EIN 473378504 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Offer Family Foundaton

    EIN 956027953 · Headquarters: SANTA MONICA, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  47. Office & Professional Employees International Union Local 537

    EIN 954413945 · Headquarters: PASADENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Office & Professional Employees Intl Union Locals 30 & 537 Health & Welfare Fund

    EIN 956047601 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Office and Professional Employees 30 Opeiu

    EIN 951264785 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Office and Professional Employees International Union Local 29

    EIN 940730155 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Office and Professional Employees Welfare Fund

    EIN 237120690 · Headquarters: DUBLIN, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Office Employees Insurance Trust Fund Of California

    EIN 946102898 · Headquarters: Dublin, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  53. Office of the Grand Master Knight Sac Order of the Amer Knig Fire

    EIN 953222288 · Headquarters: WILDOMAR, CA, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  54. Officers for Justice

    EIN 237419822 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Official Police Garage Association of Los Angeles

    EIN 954322078 · Headquarters: SIMI VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. Oficina De Comercio De Guatemala

    EIN 853342952 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Ogburn Inwood Cemetery Inc

    EIN 843212599 · Headquarters: Shingletown, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Ohanas First Foundation

    EIN 990519204 · Headquarters: LA MIRADA, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Ohara Ikebana School of Northern California

    EIN 942453402 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Ohio State University Alumni Association Inc

    EIN 300630745 · Headquarters: San Ramon, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Ohio State University Alumni Association Inc

    EIN 311484783 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Ohio State University Alumni Association Inc

    EIN 911825242 · Headquarters: Rancho Santa Margarita, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Ohlone Audubon Society

    EIN 237248631 · Headquarters: Hayward, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Ohlone College Foundation

    EIN 770136497 · Headquarters: FREMONT, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Ohlone Elem School PTA

    EIN 946173274 · Headquarters: Palo Alto, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Ohlone Elementary PTA

    EIN 942627364 · Headquarters: Hercules, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Ohr Hamashiach Messianic Synagogue

    EIN 333919316 · Headquarters: Folsom, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Ohs Academics Booster Club

    EIN 813245773 · Headquarters: Chula Vista, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  69. Ohs Class of 72

    EIN 842456372 · Headquarters: OAKDALE, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  70. Oikos 445 Ministry

    EIN 831590819 · Headquarters: North Hills, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Oil Masters Golf Club

    EIN 392469047 · Headquarters: Rancho Santa Margarita, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Oildale Mutual Water Company Inc

    EIN 951063050 · Headquarters: OILDALE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Ojai Education Foundation

    EIN 770322439 · Headquarters: Ojai, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Ojai Federation of Teachers

    EIN 953695002 · Headquarters: Ojai, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  75. Ojai Film Society

    EIN 770183236 · Headquarters: Ojai, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  76. Ojai Lodge No 1417 Loyal Order of Moose Inc

    EIN 952625784 · Headquarters: Oak View, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Ojai Mardi Gras Wake-up Krewe

    EIN 461507832 · Headquarters: ventura, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  78. Ojai Valley Chamber of Commerce

    EIN 951869630 · Headquarters: OJAI, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Ojai Valley Garden Club Inc

    EIN 956096665 · Headquarters: Ojai, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Ojai Valley Gun Club

    EIN 953546785 · Headquarters: VENTURA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  81. Ojai Valley Museum

    EIN 952478853 · Headquarters: Ojai, CA, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Ojai Valley Retired Professional Bu Siness Mens Club

    EIN 953093371 · Headquarters: Ojai, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  83. Ojai Valley Rides Inc

    EIN 208500357 · Headquarters: VENTURA, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. Ojai Valley Womans Club

    EIN 956074361 · Headquarters: OJAI, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Okayama Kenjin Kai

    EIN 680180785 · Headquarters: Fair Oaks, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Okizu Foundation

    EIN 680291178 · Headquarters: NOVATO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Oklahoma Rhf Housing Inc

    EIN 330236323 · Headquarters: LONG BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Oko Development Foundation

    EIN 770267122 · Headquarters: Campbell, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. Okpanam Association USA

    EIN 464618572 · Headquarters: Lake Elsinore, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  90. Okpu Mbaise of Southern California Inc

    EIN 883096704 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Okura Mental Health Leadership Foundation Inc

    EIN 521636878 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  92. Ola Mo Keriso Congregation of Christian Church

    EIN 330824681 · Headquarters: EL CAJON, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  93. Old Adobe Elementary School Pto

    EIN 943149009 · Headquarters: PETALUMA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Old Adobe Preschool

    EIN 942864623 · Headquarters: SONOMA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Old Agoura Valley Homeowners Association

    EIN 953898243 · Headquarters: Agoura Hills, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Old Capital Club

    EIN 941310194 · Headquarters: Monterey, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. Old Catholic Order of Holy Wisdom

    EIN 273803155 · Headquarters: Berkeley, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  98. Old English Sheepdog League of Northern California

    EIN 237269078 · Headquarters: Santa Rosa, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  99. Old Escondido Neighborhood Group

    EIN 330305440 · Headquarters: Escondido, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  100. Old First Concerts

    EIN 942898233 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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