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. San Diego Early Music Society

    EIN 330012984 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. San Diego Edinburgh Sister City Society Inc

    EIN 953219144 · Headquarters: La Mesa, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. San Diego Education Association

    EIN 951185804 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. San Diego Electric Railway Association Dba National City Depot

    EIN 330202834 · Headquarters: National City, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. San Diego Electrical Industry Labor Management Cooperation Committee Inc

    EIN 330084077 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. San Diego Electrical Industry Trusts

    EIN 956035916 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  7. San Diego Emmaus Community Inc

    EIN 330723206 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  8. San Diego Employers Association Inc

    EIN 950970313 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. San Diego Endocrine-metabolism Society

    EIN 330366694 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  10. San Diego Epiphyllum Society

    EIN 953874368 · Headquarters: san diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. San Diego Events Co-op

    EIN 471157805 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  12. San Diego Eye Bank

    EIN 956089611 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. San Diego Facilities and Equipment Leasing Corporation

    EIN 330196094 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. San Diego Family Care Foundation

    EIN 330306477 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. San Diego Fern Society

    EIN 953458595 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. San Diego Festival of the Arts Foundation Inc

    EIN 330329642 · Headquarters: LA JOLLA, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  17. San Diego Figure Skating Club

    EIN 953413430 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. San Diego Fire Dept Sports Club

    EIN 330434440 · Headquarters: SAN MARCOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. San Diego Fire Fighters Local 145 Community Responsibility Fund

    EIN 330299756 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  20. San Diego Fire Relief Association

    EIN 956050121 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. San Diego Firemans Golf Club Co

    EIN 874764784 · Headquarters: LA MESA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. San Diego First Assembly Retirement Center Dba City View Community

    EIN 953409647 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. San Diego Flight Corporation

    EIN 956063115 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. San Diego Flute Guild

    EIN 330491565 · Headquarters: Escondido, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. San Diego Fly Fisher

    EIN 330326751 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. San Diego Foundation for Cardiovascular Research & Education

    EIN 953645736 · Headquarters: LA JOLLA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. San Diego Foursquare Church

    EIN 956226828 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-T

  28. San Diego Freedom Ranch Inc

    EIN 952997398 · Headquarters: CAMPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. San Diego French-american School

    EIN 930992063 · Headquarters: LA JOLLA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. San Diego Friends of Old Time Music Inc

    EIN 953406532 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. San Diego Gas & Electric Co Medical Benefits Plan Trust (Non-union Ret)

    EIN 330618478 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. San Diego Gas & Electric Co Medical Benefits Plan Trust (Union Retirees)

    EIN 330618480 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. San Diego Gastroenterology Society

    EIN 330716317 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. San Diego Genealogical Society

    EIN 956079748 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. San Diego Hammerheads

    EIN 237416769 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. San Diego Harbor Police Officers Association

    EIN 953310169 · Headquarters: EL CAJON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. San Diego Health Care Association

    EIN 956082538 · Headquarters: Santee, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. San Diego High School Ptsa Ca Congress of Parents Teachers

    EIN 900933888 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. San Diego Historical Society

    EIN 951728991 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. San Diego Hookers and Slicers

    EIN 472763264 · Headquarters: El Cajon, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. San Diego Hua Xia Chinese School Inc

    EIN 330745701 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. San Diego Humane Society Foundation

    EIN 330349256 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. San Diego Hunting and Retreiver Clu Inc

    EIN 330732353 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  44. San Diego Imperial Area Institutional Committ

    EIN 953743566 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. San Diego Imperial Cnty Regional Service Office NA Inc

    EIN 330194376 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. San Diego Imperial Swimming Inc

    EIN 742277325 · Headquarters: FALLBROOK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. San Diego in Recovery

    EIN 921693949 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  48. San Diego Independent Scholars

    EIN 330072925 · Headquarters: Carlsbad, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. San Diego Indian American Society

    EIN 330055336 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. San Diego Indoor Sports Club Inc

    EIN 956098089 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. San Diego Industrial Organizational Professionals

    EIN 203006133 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  52. San Diego Insurance Adjuster Association

    EIN 237426561 · Headquarters: NATIONAL CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  53. San Diego Interfaith Housing Foundation

    EIN 952593136 · Headquarters: LEMON GROVE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. San Diego Intergroup Inc Dba Alcoholics Anonymous of San Diego

    EIN 951794720 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. San Diego International Church

    EIN 953850356 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. San Diego Jewish Genealogical Society

    EIN 330501587 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. San Diego Joint Port Labor Relations Committee

    EIN 950917985 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. San Diego Journey Community Church

    EIN 330549770 · Headquarters: LA MESA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T

  59. San Diego Junior Theatre

    EIN 952303700 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. San Diego Kite Club

    EIN 330430400 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. San Diego Land Conservancy Coalition

    EIN 330500839 · Headquarters: Fallbrook, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. San Diego Lapidary Society

    EIN 956516752 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. San Diego Lawn Bowling Club

    EIN 956096717 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. San Diego Letter Carriers Inc

    EIN 952872228 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. San Diego Live Well San Diego Lions Club

    EIN 471467642 · Headquarters: Rancho Santa Fe, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  66. San Diego Madres Inc

    EIN 953619032 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. San Diego Majestic Lions Club

    EIN 330829646 · Headquarters: CHULA VISTA, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. San Diego Master Chorale

    EIN 237451291 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. San Diego Mayas Soccer Club

    EIN 452424240 · Headquarters: CHULA VISTA, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  70. San Diego Mclaren Club Inc

    EIN 882354045 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  71. San Diego Memorial Society

    EIN 952281741 · Headquarters: Poway, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. San Diego Mesa College Foundation Inc

    EIN 330141259 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. San Diego Metro Pigeon Club

    EIN 330556933 · Headquarters: Spring Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  74. San Diego Mineral & Gem Society

    EIN 956049910 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. San Diego Mission Bay Boat and Ski Club

    EIN 952702189 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. San Diego Model a Ford Club

    EIN 843914344 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. San Diego Mountain Rescue Team

    EIN 952547959 · Headquarters: san diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. San Diego Municipal Employees Assn

    EIN 951757877 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. San Diego Museum Council

    EIN 953124579 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. San Diego Nebraska Alumni Chapter

    EIN 453719200 · Headquarters: Temecula, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. San Diego Nice Guys Inc

    EIN 953405753 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. San Diego Nihongo Kyoiku Shinkokai

    EIN 953374335 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. San Diego Norml

    EIN 320570764 · Headquarters: ESCONDIDO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  84. San Diego North Coast Knitters Guild

    EIN 272138392 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. San Diego North Park Craft Mafia

    EIN 261261425 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. San Diego Numismatic Society

    EIN 956078854 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. San Diego Open Water Swimming Association Inc

    EIN 993204552 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. San Diego Pathfinders Lions Club

    EIN 463264774 · Headquarters: SAN MARCOS, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. San Diego Peace Corps Association

    EIN 330343114 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. San Diego Performing Arts Education

    EIN 831840332 · Headquarters: San Marcos, CA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  91. San Diego Police Chiefs and Sheriffs Association

    EIN 330680289 · Headquarters: Chula Vista, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. San Diego Police Officers Association Inc

    EIN 951654782 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. San Diego Police Revolver Club

    EIN 952286615 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  94. San Diego Port Tenants Association Dba San Diego Working Waterfront

    EIN 931003997 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. San Diego Prayer House Inc

    EIN 992075641 · Headquarters: La Jolla, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. San Diego Press Club Foundation Inc

    EIN 330437019 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. San Diego Psychiatric Society

    EIN 953028448 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. San Diego Psychoanalytic Center

    EIN 952477895 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. San Diego Psychological Association

    EIN 237326363 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. San Diego Radiological Society

    EIN 330063986 · Headquarters: Santee, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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