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. The Oikodome

    EIN 414138268 · Headquarters: Antioch, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. The Ojai Civic Association

    EIN 951063265 · Headquarters: OJAI, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  3. The Ojai Foundation

    EIN 510151116 · Headquarters: OJAI, CA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  4. The Ojai Retreat

    EIN 770295707 · Headquarters: Ojai, CA, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990

  5. The Ojai Retreat Cultural Center

    EIN 471464262 · Headquarters: Ojai, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. The Ojai Valley Land Conservancy

    EIN 770169682 · Headquarters: OJAI, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. The Ok U Go Foundation

    EIN 823955273 · Headquarters: Sacramento, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. The Okaja Foundation

    EIN 823820491 · Headquarters: SANTA PAULA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. The Okinaka Foundation for Social and Environmental Justice

    EIN 833231640 · Headquarters: CHINO HILLS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  10. The Okonma Foundation

    EIN 880605007 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. The Okun Family Foundation Inc

    EIN 650749122 · Headquarters: LA JOLLA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. The Old Globe

    EIN 951543396 · Headquarters: San Diego, CA, United States · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. The Old Oak Foundation

    EIN 814764333 · Headquarters: CALABASAS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. The Old-growth Again Project

    EIN 680458968 · Headquarters: Rohnert Park, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  15. The Oldfield Family Foundation

    EIN 320505624 · Headquarters: SAN DIEGO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. The Oley Friends Foundation

    EIN 843990362 · Headquarters: LAGUNA HILLS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. The Olgapuri Village Foundation

    EIN 823539630 · Headquarters: GOLETA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  18. The Olive Branch International Inc

    EIN 841247760 · Headquarters: CYPRESS, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. The Olive Branch Intervention and Services Project

    EIN 464010339 · Headquarters: Bakersfield, CA, US · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. The Olive Branch Projects Inc

    EIN 205730023 · Headquarters: SAN JUAN CAPISTRANO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. The Olive Foundation

    EIN 823392807 · Headquarters: WOODLAND HILLS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  22. The Olive Glen Foundation Inc

    EIN 680150774 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. The Ollie Hope Foundation

    EIN 394961873 · Headquarters: Redwood City, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. The Olson Family Foundation

    EIN 204600940 · Headquarters: SIGNAL HILL, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  25. The Oltmans Construction Co Foundation

    EIN 954790252 · Headquarters: WHITTIER, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  26. The Olympia Foundation

    EIN 273535288 · Headquarters: LOS ANGELES, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. The Olympic Club

    EIN 940732930 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  28. The Olympic Club Foundation

    EIN 943160462 · Headquarters: SAN FRANCISCO, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. The Omakase Charity Inc

    EIN 463376713 · Headquarters: San Francisco, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990

  30. The Omidyar Group Charitable Trust

    EIN 926236559 · Headquarters: Los Gatos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  31. The Ondulado Fund Fka Richard Grinold Fund

    EIN 900506349 · Headquarters: Pebble Beach, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. The One Federation

    EIN 680409932 · Headquarters: Rancho Cordova, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. The One Glove Foundation

    EIN 465126289 · Headquarters: Dublin, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. The One Percent Foundation

    EIN 208369273 · Headquarters: SAN FRANCISCO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990

  35. The One Seed Communications

    EIN 474431487 · Headquarters: San Diego, CA, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  36. The One Twenty Seven Project

    EIN 825167733 · Headquarters: Big Pine, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. The Oneness Truth Meditation Foundation

    EIN 994276660 · Headquarters: POMONA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. The Oneonta Club Foundation

    EIN 237374541 · Headquarters: SAN MARINO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. The Oneta Foundation

    EIN 842698154 · Headquarters: LOS ANGELES, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. The Onozawa Family Foundation

    EIN 993122068 · Headquarters: LOS ALTOS, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  41. The Ontara Institute

    EIN 412748620 · Headquarters: San Ramon, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. The Ontario Police Museum

    EIN 201389431 · Headquarters: CHINO, CA, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  43. The Opaline Fund

    EIN 203895397 · Headquarters: SAN FRANCISCO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. The Open Academy

    EIN 274188820 · Headquarters: LOS ANGELES, CA, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  45. The Open Arms House

    EIN 811048361 · Headquarters: VISALIA, CA, USA · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  46. The Open Door Community

    EIN 274796180 · Headquarters: WALNUT CREEK, CA, USA · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  47. The Open Door Network

    EIN 953604240 · Headquarters: BAKERSFIELD, CA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  48. The Open Door of Revelation 320

    EIN 463203947 · Headquarters: SACRAMENTO, CA, USA · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  49. The Open Door Transitional Foundation

    EIN 300793734 · Headquarters: LOS ANGELES, CA, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  50. The Open Frames Project

    EIN 814047572 · Headquarters: LOS ANGELES, CA, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990

  51. The Open Heart Project Inc

    EIN 873217991 · Headquarters: Pittsburg, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. The Open Pulpit

    EIN 834338173 · Headquarters: Irvine, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  53. The Open School

    EIN 460745295 · Headquarters: Santa Ana, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. The Open Table

    EIN 833790353 · Headquarters: TUSTIN, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. The Opengov Foundation

    EIN 454848546 · Headquarters: VISTA, CA, USA · Public & Societal Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  56. The Opera Buffs Inc Co Mona Lands

    EIN 953854105 · Headquarters: LOS ANGELES, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. The Opera League of Los Angeles

    EIN 953736299 · Headquarters: LOS ANGELES, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. The OPLL Foundation

    EIN 932770446 · Headquarters: Fremont, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. The Opportunity Foundation

    EIN 204277066 · Headquarters: SAN DIEGO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  60. The Opportunity Fund

    EIN 954120054 · Headquarters: STUDIO CITY, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. The Opportunity Institute

    EIN 473888926 · Headquarters: BERKELEY, CA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  62. The Oprah Winfrey Charitable Foundation

    EIN 266908382 · Headquarters: LOS ANGELES, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  63. The Oprah Winfrey Leadership Academy Foundation

    EIN 743048315 · Headquarters: LOS ANGELES, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. The Optimist Club of Downey Optimist International Downey

    EIN 956146347 · Headquarters: DOWNEY, CA, USA · Youth Development · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  65. The Optimist Club of Napa California

    EIN 946124302 · Headquarters: NAPA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. The Opus Music Foundation

    EIN 842910570 · Headquarters: IRVINE, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. The Ora Lerman Charitable Trust

    EIN 137198011 · Headquarters: PORTOLA VALLEY, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  68. The Orange Cooler Project

    EIN 872750099 · Headquarters: Van Nuys, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. The Orange Council

    EIN 330332223 · Headquarters: Orange, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. The Orange County Academy of Cosmetic Dentistry

    EIN 300431898 · Headquarters: Santa Ana, CA, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  71. The Orange County Association for the Education of Young Children

    EIN 571187617 · Headquarters: Irvine, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. The Orange County Association of Health Facilities

    EIN 953774576 · Headquarters: IRVINE, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. The Orange County Cambodian Buddhist Organizationinc

    EIN 330102977 · Headquarters: SANTA ANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  74. The Orange County Endowment for Intellectual Advancement

    EIN 473635822 · Headquarters: LAGUNA BEACH, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  75. The Orange County Friendship Circle Inc

    EIN 113797166 · Headquarters: Newport Beach, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. The Orange County Korean Christians Association

    EIN 330085378 · Headquarters: GARDEN GROVE, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. The Orange Dog Park Association

    EIN 030946429 · Headquarters: Orange, CA, US · Animal Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  78. The Orange Park Community Corporation

    EIN 330528924 · Headquarters: ORANGE, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. The Orange Rotary Charitable Trust

    EIN 273143523 · Headquarters: ORANGE, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. The Orangevale Rotary Charitable Fund

    EIN 680480332 · Headquarters: ORANGEVALE, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. The Orangewood Mobilehome Park Corp

    EIN 330719915 · Headquarters: SANTA ANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. The Orangutan Conservancy

    EIN 841461579 · Headquarters: LOS ANGELES, CA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. The Orchard Family Foundation

    EIN 836311507 · Headquarters: Diamond Bar, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. The Ord Foundation

    EIN 207531434 · Headquarters: Palo Alto, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  85. The Order of the First Families of Maryland

    EIN 954808452 · Headquarters: SAN LORENZO, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. The Order of the Good Death

    EIN 823964819 · Headquarters: LOS ANGELES, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. The Order of the Peacock

    EIN 992649521 · Headquarters: LOS ANGELES, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. The Oregon Club of Northern California

    EIN 271019703 · Headquarters: San Ramon, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. The Orel Foundation

    EIN 205656498 · Headquarters: Los Angeles, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  90. The Orestimba Scholarship Community Association - Tosca

    EIN 770348681 · Headquarters: NEWMAN, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. The Orfalea Family Foundation C/o Mcgowan Guntermann

    EIN 770541226 · Headquarters: SANTA BARBARA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

  92. The Orfalea Fund C/o Santa Barbara Foundation

    EIN 731666502 · Headquarters: SANTA BARBARA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990

  93. The Organization for Professional Astrology Inc

    EIN 593681709 · Headquarters: San Diego, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. The Organization for Scientific & Academic Integrity in China Inc

    EIN 223943516 · Headquarters: San Diego, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  95. The Organizer II Inc

    EIN 330873687 · Headquarters: Carlsbad, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  96. The Oriental Mission Church

    EIN 952893812 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  97. The Original Altadena Farmers Market

    EIN 333331057 · Headquarters: Los Angeles, CA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. The Original General Grand Encampment of Knights Templar Of

    EIN 521862048 · Headquarters: Lawndale, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  99. The Original Happy Seniors of Cerritos Inc

    EIN 454039336 · Headquarters: CERRITOS, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. The Orinda Association

    EIN 946098323 · Headquarters: ORINDA, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

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