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. Oak Creek Village Maintenance Assoc

    EIN 330833024 · Headquarters: IRVINE, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Oak Crest Academy Foundation

    EIN 813375944 · Headquarters: Pomona, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Oak Crest Foundation Inc

    EIN 330004167 · Headquarters: ENCINITAS, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Oak Crest Institute of Science

    EIN 954680961 · Headquarters: MONROVIA, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Oak Crest Surf Team Inc

    EIN 872345066 · Headquarters: Carlsbad, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Oak Forest Apartments Inc

    EIN 770429275 · Headquarters: San Luis Obispo, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Oak Glen Christian Conference Center Llc

    EIN 320476642 · Headquarters: IRVINE, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Oak Glen Domestic Water Company

    EIN 953038726 · Headquarters: HEMET, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Oak Glen Family Center

    EIN 473072922 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  10. Oak Glen Fire & Rescue Association

    EIN 953668531 · Headquarters: Yucaipa, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  11. Oak Glen Mutual Water Company

    EIN 463372193 · Headquarters: Nipoma, CA, US · Mutual & Membership Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  12. Oak Glen School House Museum and Park Association

    EIN 364567617 · Headquarters: Yucaipa, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Oak Granary

    EIN 852590341 · Headquarters: Potter Valley, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Oak Grove Center

    EIN 330470446 · Headquarters: Murrieta, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Oak Grove Christian Ministries

    EIN 300697158 · Headquarters: Menlo Park, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Oak Grove Disc Golf Club

    EIN 465644818 · Headquarters: Pasadena, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Oak Grove Docent Council

    EIN 680230676 · Headquarters: Stockton, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Oak Grove Eagles Booster Club

    EIN 830790150 · Headquarters: SAN JOSE, CA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  19. Oak Grove Education Partners

    EIN 680461101 · Headquarters: Santa Rosa, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Oak Grove Educators Association

    EIN 942842639 · Headquarters: San Jose, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Oak Grove Elementary School Foundation

    EIN 770638326 · Headquarters: Aliso Viejo, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Oak Grove High School Band Boosters

    EIN 770094216 · Headquarters: San Jose, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Oak Grove High School Parent Community Organization

    EIN 455500259 · Headquarters: San Jose, CA, US · Housing & Shelter · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  24. Oak Grove Housing Inc

    EIN 311701719 · Headquarters: SAN LUIS OBISPO, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Oak Grove Little League

    EIN 237130795 · Headquarters: SAN JOSE, CA, USA · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  26. Oak Grove Middle School Ptsa

    EIN 946173262 · Headquarters: CONCORD, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Oak Grove PTA California Congress

    EIN 931214345 · Headquarters: Aliso Viejo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Oak Grove School Llc

    EIN 844449744 · Headquarters: OJAI, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Oak Grove School Pta

    EIN 201692266 · Headquarters: VISALIA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Oak Grove Schools Association

    EIN 943185710 · Headquarters: Sebstopol, CA, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  31. Oak Grove Swimming Association

    EIN 946064318 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Oak Health Foundation

    EIN 824188943 · Headquarters: Laguna Hills, CA, United States · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Oak Heights Water & Road Co Inc

    EIN 946099015 · Headquarters: SALINAS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Oak Hill Apartments

    EIN 680326048 · Headquarters: ROHNERT PARK, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Oak Hill Community Pool a Corp

    EIN 941432152 · Headquarters: Talmage, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Oak Hill Drive Church of Christ Church

    EIN 237348223 · Headquarters: ESCONDIDO, CA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  37. Oak Hill Japanese Cemetery Trust

    EIN 946361541 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Oak Hill School of California

    EIN 943359599 · Headquarters: San Anselmo, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Oak Hills Educational Foundation

    EIN 273663941 · Headquarters: Valencia, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Oak Hills Elementary School Pta

    EIN 954181436 · Headquarters: OAK PARK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Oak Hills High School Bulldog Brigade Boosters

    EIN 383804838 · Headquarters: Oak Hills, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Oak Hills PTA

    EIN 203300517 · Headquarters: Valencia, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Oak Instrumental Music Booster Club

    EIN 330791818 · Headquarters: Los Alamitos, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Oak Is in the Acorn

    EIN 264643652 · Headquarters: OROVILLE, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Oak Knoll District of Napa Valley Association

    EIN 202453425 · Headquarters: Napa, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Oak Knoll Home Owners Association

    EIN 141853900 · Headquarters: Salinas, CA, US · Housing & Shelter · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  47. Oak Knoll Montessori School

    EIN 954766819 · Headquarters: PASADENA, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Oak Knoll Neighborhood Association

    EIN 264461875 · Headquarters: Pasadena, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Oak Knoll Neighborhood Improvement Association Inc

    EIN 824928255 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Oak Knoll of San Jose Homeowners Association

    EIN 770153179 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Oak Knoll School Parent Teacher Organization

    EIN 201192341 · Headquarters: MENLO PARK, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Oak Knolls Haven Inc

    EIN 953497055 · Headquarters: DUARTE, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  53. Oak Knolls Mutual Water Company

    EIN 952483574 · Headquarters: LAKE ISABELLA, CA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Oak Lake Art Center

    EIN 953587026 · Headquarters: Valley Center, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  55. Oak Manor Water Company

    EIN 942802543 · Headquarters: PRUNEDALE, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Oak Meadow Elementary Foundation

    EIN 412199458 · Headquarters: El Dorado Hills, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Oak Meadow Pto

    EIN 822103109 · Headquarters: EL DORADO HILLS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Oak Meadows Booster Club

    EIN 202706801 · Headquarters: Murrieta, CA, USA · Youth Development · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  59. Oak Middle School PTA

    EIN 330666484 · Headquarters: LOS ALAMITOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Oak Park Business Association

    EIN 680357674 · Headquarters: Sacramento, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Oak Park Classified Association

    EIN 863399523 · Headquarters: Simi Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Oak Park Education Foundation

    EIN 582676917 · Headquarters: Oak Park, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Oak Park Festival of the Arts

    EIN 814772381 · Headquarters: SACRAMENTO, CA, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  64. Oak Park High School Athletic Booster Club

    EIN 020597458 · Headquarters: Oak Park, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Oak Park High School Parent Faculty Association

    EIN 463473801 · Headquarters: OAK PARK, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Oak Park Homeless Project

    EIN 871026649 · Headquarters: Sacramento, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Oak Park Junior Tennis Foundation

    EIN 743051388 · Headquarters: Stockton, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Oak Park Lacrosse Club Inc

    EIN 263793279 · Headquarters: Oak Park, CA, USA · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  69. Oak Park Neighborhood Association

    EIN 611640967 · Headquarters: sacramento, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Oak Park Preschool Inc

    EIN 942538801 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Oak Park Rotary Foundation

    EIN 204813031 · Headquarters: SACRAMENTO, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Oak Park Sol Community Gardens

    EIN 460584171 · Headquarters: SACRAMENTO, CA, USA · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  73. Oak Park Summer Concert Series Inc

    EIN 680307724 · Headquarters: SACRAMENTO, CA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  74. Oak Park Teachers Association

    EIN 770469986 · Headquarters: OAK PARK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Oak Park Turning Point Montessori

    EIN 831019237 · Headquarters: Oak Park, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Oak Plains Masonic Building Association

    EIN 941599748 · Headquarters: Rio Linda, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Oak Ridge Elementary Pta

    EIN 330353551 · Headquarters: CHINO HILLS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Oak Ridge High School Community Foundation

    EIN 680442001 · Headquarters: EL DORADO HILLS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Oak Ridge High School Music Boosters

    EIN 680197798 · Headquarters: EL DORADO HILLS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Oak Ridge High School Theater Arts Booster Club

    EIN 383708565 · Headquarters: EL DORADO HILLS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Oak Ridge Home and School Club

    EIN 770385647 · Headquarters: San Jose, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Oak Ridge Sports Booster Club

    EIN 942783765 · Headquarters: El Dorado Hills, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Oak Road Water Association

    EIN 942325677 · Headquarters: Salinas, CA, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  84. Oak Rock Animal Preserve

    EIN 921285628 · Headquarters: Pleasanton, CA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Oak Run Community Library

    EIN 680314501 · Headquarters: Oak Run, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Oak Run Ditch Co Inc

    EIN 680220203 · Headquarters: Oak Run, CA, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  87. Oak Run Parents Club

    EIN 202403797 · Headquarters: Oak Run, CA, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  88. Oak Run Volunteer Fire Company

    EIN 680198748 · Headquarters: Oak Run, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Oak Shores Volunteer Fire and Medical Brigade

    EIN 922357188 · Headquarters: Templeton, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Oak Springs Home Assn

    EIN 941245722 · Headquarters: Orinda, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Oak Springs Ranch Conservancy Corporation

    EIN 264632175 · Headquarters: SAN DIEGO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  92. Oak to Timberline Fire Safe Council

    EIN 371519946 · Headquarters: DUNLAP, CA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. Oak Trail Estates Mutual Water Company

    EIN 770412328 · Headquarters: SOLVANG, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. Oak Trail Ranch Mutual Water Co

    EIN 953196427 · Headquarters: SANTA YNEZ, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Oak Tree Charitable Foundation

    EIN 954506950 · Headquarters: ARCADIA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  96. Oak Tree Christian Academy Dba Providence Christian School

    EIN 680354148 · Headquarters: ORLAND, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Oak Tree Community Association Inc

    EIN 770281243 · Headquarters: Woody, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Oak Tree Education Foundation

    EIN 900849698 · Headquarters: Carson, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Oak Tree Estates Mutual Water Co Inc

    EIN 770170730 · Headquarters: Gilroy, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Oak Tree Family Foundation

    EIN 900760459 · Headquarters: EL CAJON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

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