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. Protect Napa County Water Parks and Open Space Yes on Measure K

    EIN 843251812 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  2. Protect Oakland Libraries 2018

    EIN 823521755 · Headquarters: OAKLAND, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  3. Protect Our Local Hospitals and Health Care

    EIN 824351087 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  4. Protect Our Marilyn Sponsored by Palm Springs Resorts

    EIN 932946311 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Protect Our Pomona Hospitals and Health Care

    EIN 824649933 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  6. Protect Our Right to Hold Politicians Acctble No on C

    EIN 882061686 · Headquarters: San Rafael, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  7. Protect Our Right to Vote

    EIN 920708321 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  8. Protect Our Sonoma Valley Family Neighborhood

    EIN 871053492 · Headquarters: Sonoma, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  9. Protect Petaluma Schools Yes on I

    EIN 394289911 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Protect Rancho Palos Verdes & Terranea

    EIN 841856435 · Headquarters: Rancho Palos Verdes, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  11. Protect Redondo

    EIN 461390147 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  12. Protect San Pedro Mountain

    EIN 862919197 · Headquarters: Pacifica, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  13. Protect Shell Beach

    EIN 881793047 · Headquarters: PISMO BEACH, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Protect Sierra Madre-stop the Housing Project No on M

    EIN 880918137 · Headquarters: Sierra Madre, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Protect the Best of San Francisco a Community Arts Small Business

    EIN 813519446 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  16. Protect the Central Park Vote

    EIN 842585099 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  17. Protect the Protectors Advocacy Fund

    EIN 393602798 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. Protect Us Now

    EIN 861265403 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Protect What We Love

    EIN 861285885 · Headquarters: STUDIO CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Protect Women and Girls Sports

    EIN 393666476 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Protecting San Francisco

    EIN 850565860 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Protecting Smiles

    EIN 833587098 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  23. Protection Over Loved Ones in Special Housing

    EIN 813225751 · Headquarters: INGLEWOOD, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Protectors of Wellbeing Environment and Residents

    EIN 394439488 · Headquarters: Sebastopol, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Protestant Medical Social Mission

    EIN 465375333 · Headquarters: Cerritos, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  26. Providence Christian School

    EIN 942533033 · Headquarters: SHINGLE SPRINGS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Providence Medical Institute

    EIN 330283773 · Headquarters: Burbank, California, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Providence Outreach Ministries Inc

    EIN 300312340 · Headquarters: Antioch, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  29. Providence Speech and Hearing Center

    EIN 956154473 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Provident Credit Union

    EIN 941482957 · Headquarters: Redwood City, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Provident-salierno Family Foundation

    EIN 770300193 · Headquarters: VISALIA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. Providing Educational Alternatives for Kids Charter School

    EIN 900775073 · Headquarters: Brea, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  33. Provisional Educational Services Inc

    EIN 330096289 · Headquarters: SAN BERNARDINO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. ProYouth

    EIN 770337714 · Headquarters: Visalia, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Prsa Silicon Valley Chapter Corp

    EIN 946120609 · Headquarters: SAN JOSE, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Prudential Overall Supply Employee Welfare Benefit Plan

    EIN 956542231 · Headquarters: Santa Ana, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Prunedale Community Youth Center Trust Fund

    EIN 946132830 · Headquarters: Prunedale, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Prunedale Mutual Water Company

    EIN 941590858 · Headquarters: SALINAS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. Prusch Park Foundation

    EIN 770260440 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Prytanean Alumnae Association at Davis

    EIN 946175570 · Headquarters: Davis, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Prytanean Alumnae Inc

    EIN 941514147 · Headquarters: BERKELEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Ps & a Champions Inc

    EIN 453329068 · Headquarters: ALHAMBRA, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  43. Ps Arts

    EIN 953931147 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Psalm 146 7 Prison Ministries

    EIN 330067881 · Headquarters: BUENA PARK, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Psalm 52-8 Ministry International

    EIN 651242086 · Headquarters: OCEANSIDE, CA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  46. PSC

    EIN 951920514 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Psi Chi the International Honor Society in Psychology

    EIN 237333588 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Psi Chi the International Honor Society in Psychology

    EIN 432119300 · Headquarters: Redding, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Psi Chi the International Honor Society in Psychology

    EIN 463426520 · Headquarters: Merced, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Psi Chi the International Honor Society in Psychology

    EIN 471950458 · Headquarters: Alhambra, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Psi Chi the International Honor Society in Psychology

    EIN 510241411 · Headquarters: CLAREMONT, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Psi Chi the International Honor Society in Psychology

    EIN 510241454 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Psi Chi the International Honor Society in Psychology

    EIN 510254936 · Headquarters: BERKELEY, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Psi Chi the International Honor Society in Psychology

    EIN 510254954 · Headquarters: CHICO, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Psi Chi the International Honor Society in Psychology

    EIN 521236501 · Headquarters: La Mirada, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Psi Chi the International Honor Society in Psychology

    EIN 521269120 · Headquarters: Pomona, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Psi Chi the International Honor Society in Psychology

    EIN 521276041 · Headquarters: San Rafael, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Psi Chi the International Honor Society in Psychology

    EIN 521538511 · Headquarters: Turlock, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Psi Chi the International Honor Society in Psychology

    EIN 521538515 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Psi Chi the International Honor Society in Psychology

    EIN 743033040 · Headquarters: AZUSA, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Psi Chi the International Honor Society in Psychology

    EIN 753237092 · Headquarters: Claremont, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Psi Chi the International Honor Society in Psychology

    EIN 770300745 · Headquarters: Santa Cruz, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Psi Chi the International Honor Society in Psychology

    EIN 770324532 · Headquarters: Thousand Oaks, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Psi Chi the International Honor Society in Psychology

    EIN 812637722 · Headquarters: Palo Alto, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Psi Chi the International Honor Society in Psychology

    EIN 954357223 · Headquarters: Claremont, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Psi Chi the National Honor Society in Psychology

    EIN 237085080 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Psi Chi the National Honor Society in Psychology

    EIN 237132089 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Psi Chi the National Honor Society in Psychology

    EIN 237161370 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Psi Chi the National Honor Society in Psychology

    EIN 330619287 · Headquarters: Costa Mesa, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Psi Chi the National Honor Society in Psychology

    EIN 330650025 · Headquarters: La Jolla, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Psi Chi the National Honor Society in Psychology

    EIN 333803558 · Headquarters: Atherton, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Psi Chi the National Honor Society in Psychology

    EIN 472918475 · Headquarters: Rancho Palos Verdes, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Psi Chi the National Honor Society in Psychology

    EIN 510202275 · Headquarters: Whittier, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Psi Chi the National Honor Society in Psychology

    EIN 510241406 · Headquarters: SANTA BARBARA, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Psi Chi the National Honor Society in Psychology

    EIN 510254916 · Headquarters: Stanford, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  76. Psi Chi the National Honor Society in Psychology

    EIN 510255074 · Headquarters: Redlands, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Psi Chi the National Honor Society in Psychology

    EIN 521269123 · Headquarters: Angwin, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Psi Chi the National Honor Society in Psychology

    EIN 521276042 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Psi Chi the National Honor Society in Psychology

    EIN 521276044 · Headquarters: Malibu, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Psi Chi the National Honor Society in Psychology

    EIN 521276057 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Psi Chi the National Honor Society in Psychology

    EIN 521276058 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Psi Chi the National Honor Society in Psychology

    EIN 521294619 · Headquarters: DAVIS, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Psi Chi the National Honor Society in Psychology

    EIN 521538510 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Psi Chi the National Honor Society in Psychology

    EIN 521538512 · Headquarters: Arcata, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Psi Chi the National Honor Society in Psychology

    EIN 521539095 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Psi Chi the National Honor Society in Psychology

    EIN 521539697 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Psi Chi the National Honor Society in Psychology

    EIN 521620308 · Headquarters: Claremont, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  88. Psi Chi the National Honor Society in Psychology

    EIN 621357400 · Headquarters: Rohnert Park, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Psi Chi the National Honor Society in Psychology

    EIN 621357401 · Headquarters: Irvine, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Psi Chi the National Honor Society in Psychology

    EIN 621357402 · Headquarters: Orange, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Psi Chi the National Honor Society in Psychology

    EIN 680269520 · Headquarters: Hayward, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Psi Chi the National Honor Society in Psychology

    EIN 770300737 · Headquarters: Bakersfield, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Psi Chi the National Honor Society in Psychology

    EIN 770300747 · Headquarters: Santa Clara, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Psi Chi the National Honor Society in Psychology

    EIN 814444167 · Headquarters: Fullerton, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Psi Chi the National Honor Society in Psychology

    EIN 912055502 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Psi Chi the National Honor Society in Psychology

    EIN 912065103 · Headquarters: San Marcos, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Psi Chi the National Honor Society in Psychology

    EIN 912066790 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Psi Chi the National Honor Society in Psychology

    EIN 931178271 · Headquarters: Santa Barbara, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Psi Chi the National Honor Society in Psychology

    EIN 943152081 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Psi Chi the National Honor Society in Psychology

    EIN 943214035 · Headquarters: Belmont, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

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