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. The Windfall Foundation

    EIN 954383183 · Headquarters: PALM SPRINGS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  2. The Winifred Stuart Mankowski Foundation

    EIN 954158892 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. The Winkler Family Foundation C/o Gordon Fishburn & Majorllp

    EIN 954081967 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  4. The Winnick Family Foundation Inc

    EIN 953855792 · Headquarters: WOODLAND HILLS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  5. The Wise Family Foundation

    EIN 330885070 · Headquarters: escondido, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  6. The Wolfe Foundation

    EIN 376027471 · Headquarters: San Mateo, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  7. The Wollenberg Foundation

    EIN 946072264 · Headquarters: MENLO PARK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  8. The Womans Christian Temperance Union of Southern California

    EIN 951385773 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  9. The Womans Club of Bakersfield

    EIN 951385787 · Headquarters: BAKERSFIELD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. The Womans Club of Lodi

    EIN 946108344 · Headquarters: LODI, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. The Women's Faculty Club of the University of California Inc

    EIN 940990040 · Headquarters: BERKELEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  12. The Women's Twentieth Century Club

    EIN 951385813 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. The Woodshed Artists Community Inc

    EIN 010874116 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  14. The Word for Today

    EIN 953274910 · Headquarters: TEMECULA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. The Working Group

    EIN 943082546 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. The Wright Institute

    EIN 941674865 · Headquarters: BERKELEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. The Wrightwood Chamber of Commerce

    EIN 953510213 · Headquarters: Wrightwood, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. The X Factor Foundation Inc

    EIN 834115666 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  19. The Yaspan-unterberg Foundation Inc C/o Lisa Shapiro

    EIN 133608916 · Headquarters: SANTA MONICA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. The Yiddish Culture Club

    EIN 421737474 · Headquarters: Banning, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. The Yoga Seed Collective

    EIN 272657064 · Headquarters: Nevada City, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  22. The Yolo County Supervisors Association

    EIN 680260511 · Headquarters: Woodland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. The Young Creators and Visionaries Collaborative

    EIN 872106634 · Headquarters: RIVERSIDE, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. The Youth Hope Foundation

    EIN 800513481 · Headquarters: Redlands, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. The Zacky Project

    EIN 332285750 · Headquarters: West Hollywood, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. The Zaffaroni Foundation

    EIN 946100109 · Headquarters: MENLO PARK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. The Zathas Foundation

    EIN 330495464 · Headquarters: Lakeside, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  28. The Zellerbach Family Foundation

    EIN 946069482 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  29. The Zoline Foundation

    EIN 366083529 · Headquarters: TUSTIN, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  30. The Zonta Club of The Santa Clarita Valley Area

    EIN 954483003 · Headquarters: Newhall, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. The4000org

    EIN 464317317 · Headquarters: San Rafael, CA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  32. Theatre Americana of Altadena Inc

    EIN 237103011 · Headquarters: Pasadena, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Theatre of Hearts Inc

    EIN 954068775 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Theatre of Light Inc

    EIN 953290658 · Headquarters: Sherman Oaks, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Theatre of Yugen

    EIN 942800477 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  36. Theatrical Employees Union Local B18

    EIN 940921406 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Theheart for a Compassionate Loving World

    EIN 923963876 · Headquarters: Coronado, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. Thelma Doelger Charitable Trust

    EIN 943318483 · Headquarters: Daly City, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  39. Then I Heard

    EIN 332945119 · Headquarters: Yucca Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Theodore A Von Der Ahe Jr Trust

    EIN 953371127 · Headquarters: Laguna Beach, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  41. Theodore Roosevelt Post No 21

    EIN 946086064 · Headquarters: Santa Rosa, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Theodore Roosevelt Pta

    EIN 956220940 · Headquarters: BURBANK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Theological Students for Frontier Missions

    EIN 222512481 · Headquarters: Arcadia, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Theosophical Book Association for the Blind

    EIN 951716129 · Headquarters: SANTA BARBARA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Theosophical Society in the Ojai Valley

    EIN 237065638 · Headquarters: Ojai, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Theosophical University

    EIN 956095424 · Headquarters: Altadena, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Thera Institute

    EIN 942745630 · Headquarters: Santa Cruz, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Therapeutic Consulting Association

    EIN 473695757 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Therapeutic Equestrian Activity Center for Handicapped

    EIN 330806569 · Headquarters: El Cajon, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  50. Therapeutic Journeys with Dolphins Horses People and the Arts Inc

    EIN 263968065 · Headquarters: Santa Barbara, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Therapeutic Riding Center of Huntington Beach Inc

    EIN 330519376 · Headquarters: HUNTINGTON BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Therapist for Single Payer

    EIN 471868069 · Headquarters: Berkeley, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  53. Therapy Center Inc Dba Challenge Center

    EIN 330248878 · Headquarters: LA MESA, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  54. Theraq Inc

    EIN 994234407 · Headquarters: Yorba Linda, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Thermal Mutual Water Company Inc

    EIN 271411843 · Headquarters: THERMAL, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Thermic Mutual Water Company

    EIN 952130949 · Headquarters: MOORPARK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Thesecondopinion

    EIN 941696341 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Thesophical Society

    EIN 237211774 · Headquarters: Altadena, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Thessalonika Family Services Inc

    EIN 953551068 · Headquarters: Temecula, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Theta Chapter of Rho Epsilon Iota

    EIN 333776486 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Theta Chi Eta Omega Historic House Foundation Inc

    EIN 334792685 · Headquarters: Redlands, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Theta Chi Fraternity

    EIN 371741780 · Headquarters: Stockton, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Theta Mu Colusa

    EIN 464470610 · Headquarters: COLUSA, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  64. Theta Sigma Housing Corp

    EIN 330193019 · Headquarters: Newport Beach, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Theta Xi - Alpha Zeta Chapter

    EIN 951292110 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Theta Xi Fraternity

    EIN 833845189 · Headquarters: BERKELEY, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  67. Theta Xi Fraternity

    EIN 951746601 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Theta Xi House Corporation of Delta Delta Delta

    EIN 956101235 · Headquarters: MANHATTAN BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Think Neuro Inc

    EIN 923838646 · Headquarters: TORRANCE, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  70. Think of Life Foundation

    EIN 882588101 · Headquarters: SANTA FE SPRINGS, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Think Well

    EIN 882386709 · Headquarters: PLACENTIA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Thinkonit Bible Ministries Inc

    EIN 271010844 · Headquarters: Lake Forest, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  73. Third Avenue Research Inc

    EIN 831691804 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Third Avenue Village Association

    EIN 330334459 · Headquarters: CHULA VISTA, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  75. Third Coast Live Radio Theater Inc

    EIN 201491592 · Headquarters: Sausalito, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  76. Third Lantern

    EIN 274875728 · Headquarters: Novato, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  77. Third World Association

    EIN 994733880 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Thirteen and One Half

    EIN 942324103 · Headquarters: HANFORD, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  79. This Is the Generation

    EIN 237408517 · Headquarters: Laguna Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. This Time for Good Center

    EIN 900520780 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  81. Thomas & Dorothy Leavey Foundation

    EIN 956060162 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  82. Thomas & Eva Fong Foundation

    EIN 943057610 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. Thomas & Pearl Martinez Foundation

    EIN 133497459 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  84. Thomas and Donna Whitney Education Foundation

    EIN 942775750 · Headquarters: LOS ALTOS HILLS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  85. Thomas and Gerd Perkins Foundation

    EIN 680134693 · Headquarters: MILL VALEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. Thomas House Temporary Shelter

    EIN 330204757 · Headquarters: GARDEN GROVE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Thomas J Barrack Jr Family Foundation

    EIN 270134692 · Headquarters: Santa Ynez, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  88. Thomas J Hughes Ministries Inc

    EIN 852588642 · Headquarters: San Jacinto, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  89. Thomas Jefferson Law Review

    EIN 510175348 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Thomas Jefferson Pta

    EIN 956206609 · Headquarters: BURBANK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Thomas More Society of San Diego

    EIN 454447990 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  92. Thomas Onoyama Memorial Scholarship Trust Fund

    EIN 680180897 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Thomas P Winn Foundation

    EIN 680244296 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  94. Thomas Perkins William Bowman La Chapter

    EIN 933274615 · Headquarters: CERRITOS, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  95. Thomas R Leonard Foundation

    EIN 686088851 · Headquarters: DANVILLE, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  96. Thomas Rhoades Camp Daughters of Utah Pioneers

    EIN 270654216 · Headquarters: Rancho Cordova, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Thomas T Smith Lodge 78

    EIN 611955745 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Thompson Middle School Pta

    EIN 330624690 · Headquarters: MURRIETA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Thompson Park Senior Citizens Club

    EIN 571205572 · Headquarters: Bellflower, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Thornhill Parent Faculty Club

    EIN 942529197 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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