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. American Legion Post 155

    EIN 951950100 · Headquarters: Colton, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  2. American Legion Post 177 Incorporated

    EIN 956196632 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. American Legion Post 179

    EIN 940833995 · Headquarters: SAN ANSELMO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. American Legion Post 184 South Bay

    EIN 951238797 · Headquarters: REDONDO BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. American Legion Post 199

    EIN 941041958 · Headquarters: Saint Helena, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. American Legion Post 201

    EIN 952372284 · Headquarters: LEMON GROVE, CA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  7. American Legion Post 208

    EIN 941082596 · Headquarters: DIXON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. American Legion Post 218 Vernon Jewel Danley

    EIN 942378821 · Headquarters: MAXWELL, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. American Legion Post 22

    EIN 940280877 · Headquarters: Lodi, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. American Legion Post 227 Tustin

    EIN 956070017 · Headquarters: Tustin, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. American Legion Post 229

    EIN 473235277 · Headquarters: Adelanto, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  12. American Legion Post 23 William Lee Netzer

    EIN 941542099 · Headquarters: Sanger, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  13. American Legion Post 255

    EIN 952569936 · Headquarters: NATIONAL CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. American Legion Post 279

    EIN 956196656 · Headquarters: TEMPLE CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  15. American Legion Post 293

    EIN 237085783 · Headquarters: CLOVERDALE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. American Legion Post 295

    EIN 953264265 · Headquarters: Cypress, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. American Legion Post 310 Lakiba N Palmer

    EIN 956196667 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  18. American Legion Post 416

    EIN 237169704 · Headquarters: Encinitas, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. American Legion Post 434

    EIN 953170887 · Headquarters: CHULA VISTA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. American Legion Post 466 Paul F Diekmann

    EIN 953675329 · Headquarters: EARP, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  21. American Legion Post 496 Finance Dept

    EIN 956196728 · Headquarters: LAKEWOOD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. American Legion Post 555

    EIN 951495622 · Headquarters: Midway City, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. American Legion Post 716 Los Alamit

    EIN 952588771 · Headquarters: Los Alamitos, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. American Legion Post 741

    EIN 952460471 · Headquarters: CAMARILLO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. American Legion Post 742

    EIN 330049187 · Headquarters: CORONA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. American Legion Post 75

    EIN 953894902 · Headquarters: City of Industry, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  27. American Legion Post 751

    EIN 952585272 · Headquarters: Newberry Springs, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. American Legion Post 77

    EIN 940996013 · Headquarters: WOODLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. American Legion Post 796 (Topanga)

    EIN 956092495 · Headquarters: PACIFIC PALISADES, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  30. American Legion Post 81

    EIN 946089637 · Headquarters: Gonzales, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. American Legion Post 82

    EIN 941104846 · Headquarters: San Mateo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. American Legion Post No 421

    EIN 330426505 · Headquarters: HIGHLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. American Legion Rago Christopher Post 165

    EIN 946101931 · Headquarters: VACAVILLE, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  34. American Legion Riders

    EIN 371781785 · Headquarters: Ridgecrest, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  35. American Legion Riders 595

    EIN 832512534 · Headquarters: Perris, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. American Legion Riders Chapter 11

    EIN 270665668 · Headquarters: Madera, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  37. American Legion Riders Colton Ca Post 155

    EIN 464335946 · Headquarters: Colton, CA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  38. American Legion Riverside Post 79

    EIN 950491462 · Headquarters: Riverside, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. American Legion Shasta Dam Post 720

    EIN 237136731 · Headquarters: SHASTA LAKE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. American Legion Tahoe Resort Assoc

    EIN 946129170 · Headquarters: Hayfork, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. AMERICAN LEGION Willits Post 174

    EIN 900411411 · Headquarters: Willits, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. American Literacy Corporation

    EIN 954337562 · Headquarters: Oakley, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. American Little League of Alhambra Inc

    EIN 954140436 · Headquarters: ALHAMBRA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. American Little League of Madera

    EIN 770330997 · Headquarters: Madera, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  45. American Little League of Temple City

    EIN 237327646 · Headquarters: TEMPLE CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  46. American Marketing Association Inc

    EIN 237235131 · Headquarters: Chatsworth, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. American Marketing Association San Francisco

    EIN 942581350 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. American Marketing Associationsan Diego

    EIN 330327498 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. American Melanoma Foundation

    EIN 954296707 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. American Modern School of Accounting

    EIN 862441057 · Headquarters: Martinez, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  51. American Mosquito Control Association Inc

    EIN 221715661 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. American Mothers Inc

    EIN 954362687 · Headquarters: La Canada, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  53. American Muslim Alliance for Democracy and Freedom

    EIN 933018949 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. American Name Society

    EIN 340938575 · Headquarters: Chico, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. American Nephrology Nurses Association

    EIN 272803672 · Headquarters: Villa Park, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. American Nephrology Nurses Association

    EIN 300634687 · Headquarters: Escondido, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Nephrology Nurses Association

    EIN 300634899 · Headquarters: Rancho Cordova, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Nephrology Nurses Association

    EIN 320313016 · Headquarters: Cupertino, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Nephrology Nurses Association

    EIN 320313526 · Headquarters: Fresno, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  60. American Nephrology Nurses Association

    EIN 383815909 · Headquarters: Woodland Hls, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. American Nonsmokers Rights Foundation

    EIN 942922136 · Headquarters: Berkeley, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. American Opal Society

    EIN 237274651 · Headquarters: Garden Grove, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Ophthalmological Society

    EIN 411235482 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. American Opportunity Foundation

    EIN 455551346 · Headquarters: Huntington Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. American Optometric Student Association Incorporated

    EIN 510195068 · Headquarters: Fullerton, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  66. American Optometric Student Association Incorporated

    EIN 943096621 · Headquarters: Berkeley, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  67. American Orff Schulwerk Association Mt Lassen Chapter

    EIN 680243768 · Headquarters: Chico, CA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  68. American Orff-schulwerk Association

    EIN 311348653 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. American Orff-schulwerk Association

    EIN 942362774 · Headquarters: SAN MATEO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. American Orff-schulwerk Association

    EIN 953889601 · Headquarters: Lawndale, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. American Organization of Neurological Surgeons

    EIN 820985454 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  72. American Oriental Cultural Foundation

    EIN 330053594 · Headquarters: Ontario, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. American Osler Society

    EIN 363409105 · Headquarters: SOUTH PASADENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. American Outlaws - Bakersfield Chapter

    EIN 821549487 · Headquarters: Bakersfield, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. American Paddle Tennis Association

    EIN 462977438 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  76. American Patriot Vanguard Mc

    EIN 852495317 · Headquarters: YUCAIPA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. American Pharmacists Association

    EIN 475597313 · Headquarters: Clovis, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  78. American Pharmacists Association Academy of Student Pharmacists

    EIN 205754334 · Headquarters: Vallejo, CA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  79. American Pharmacists Association Academy of Student Pharmacists

    EIN 911874845 · Headquarters: San Gabriel, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. American Pharmacists Association Academy of Student Pharmacists

    EIN 946101877 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Pharmacists Association Academy of Student Pharmacists

    EIN 956095319 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. American Philatelic Foundation

    EIN 953678590 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  83. American Photographic Artists Inc

    EIN 133582702 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. American Photographic Artists Los Angeles

    EIN 953761060 · Headquarters: Tracy, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. American Pointer Club Incorporated

    EIN 222485459 · Headquarters: Newport Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. American Polarity Therapy Association Foundation

    EIN 911268532 · Headquarters: Redondo Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Political Items Collectors

    EIN 521265356 · Headquarters: Northridge, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. American Portuguese Club

    EIN 473806829 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  89. American Postal Worker Union

    EIN 237020681 · Headquarters: CALEXICO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. American Postal Workers Union

    EIN 237016872 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. American Postal Workers Union

    EIN 237021237 · Headquarters: CRESCENT CITY, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Postal Workers Union

    EIN 237338480 · Headquarters: Marysville, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Postal Workers Union

    EIN 237340213 · Headquarters: SAN JOSE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. American Postal Workers Union

    EIN 237340217 · Headquarters: Goleta, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. American Postal Workers Union

    EIN 237340705 · Headquarters: Chatsworth, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. American Postal Workers Union

    EIN 237342663 · Headquarters: tahoe city, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  97. American Postal Workers Union

    EIN 371856828 · Headquarters: ANAHEIM, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. American Postal Workers Union

    EIN 942820905 · Headquarters: SAN MATEO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Postal Workers Union

    EIN 946086961 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. American Postal Workers Union

    EIN 952005209 · Headquarters: Torrance, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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