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 Seven Hills School

    EIN 941628213 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. The Sharon D Lund Foundation

    EIN 237306460 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  3. The Shea Foundation

    EIN 956027824 · Headquarters: WALNUT, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  4. The Sheepfold Inc

    EIN 953426900 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. The Shiley Foundation

    EIN 953466851 · Headquarters: PAUMA VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  6. The Shirley Baskin Foundation

    EIN 953313203 · Headquarters: MARINA DEL REY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. The Shivas Irons Society

    EIN 770323226 · Headquarters: CARMEL, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. The Shoshone Museum Association

    EIN 330290135 · Headquarters: Shoshone, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. The Sicklewell Foundation

    EIN 413255380 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. The Sid and Jenny Craig Foundation

    EIN 954344841 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. The Sideshow Foundation

    EIN 300941876 · Headquarters: THOUSAND OAKS, CA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  12. The Sik-kee Au Family Foundation

    EIN 770210442 · Headquarters: SAN JOSE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  13. The Sikand Foundation

    EIN 954109267 · Headquarters: SHERMAN OAKS, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  14. The Sikh Center Sf Bay Area

    EIN 510138522 · Headquarters: EL SOBRANTE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. The Silicon Valley Leadership Group

    EIN 942460352 · Headquarters: SAN JOSE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. The Singleton Ranch Foundation

    EIN 930983603 · Headquarters: SANTA MONICA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  17. The Siskiyou Land Trust

    EIN 680235003 · Headquarters: MOUNT SHASTA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. The Sister Stella Foundation for St Paul the Apostle School

    EIN 953711771 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. The Sisters of Nazareth Foundation Inc

    EIN 651288163 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  20. The Sisters of Nazareth of San Diego Real Estate Holdings Inc

    EIN 870804598 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  21. The Sisters of Nazareth San Rafel Real Estate Holdings Inc

    EIN 870804606 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  22. The Skyscrape Foundation Formerly the Marie D Jeffrey Foundation

    EIN 943037301 · Headquarters: ST HELENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. The Smith Foundation

    EIN 352546402 · Headquarters: Bakersfield, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  24. The Smith Group

    EIN 770587848 · Headquarters: CARSON, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  25. The Smith-kettlewell Eye Research Institute

    EIN 946127237 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. The Smittcamp Family Foundation

    EIN 770343026 · Headquarters: FRESNO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  27. The Snowchasers Ski Club

    EIN 680222653 · Headquarters: Concord, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. The Sobrato Family Foundation

    EIN 770348912 · Headquarters: MOUNTAIN VIEW, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  29. The Society of American Military Engineers -- Los Angeles Post

    EIN 956096021 · Headquarters: Burbank, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. The Society of Black Academic Surgeons (SBAS)

    EIN 161444395 · Headquarters: Encino, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. The Society of Port Engineers of San Francisco

    EIN 141999036 · Headquarters: Alameda, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  32. The Society of Russian Cadets and Veterans of Ww1 of San Francisco

    EIN 946077980 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. The Society of St Vincent De Paul

    EIN 941497097 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. The Society of St Vincent De Paul District Council of Sonoma County Inc

    EIN 941433890 · Headquarters: ROHNERT PARK, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  35. The Solano Choral Society

    EIN 680111121 · Headquarters: Benicia, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  36. The Somerset Foundation Inc

    EIN 954378188 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. The Southern California Committee of the National Museum of Women in the Arts

    EIN 954328135 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. The Southern California Section of the Prof Golfers' Association of America Inc

    EIN 952388297 · Headquarters: ONTARIO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. The Southern California Wingstop Advertising Association

    EIN 263472703 · Headquarters: COSTA MESA, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  40. The Southside Anglers Club

    EIN 770199418 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. The Special Children's League Inc

    EIN 956047964 · Headquarters: THOUSAND OAKS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. The Spinsters of San Francisco

    EIN 942777536 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  43. The Stable Foundation Inc

    EIN 043178007 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  44. The Stanford Daily Publishing Corp

    EIN 942190221 · Headquarters: STANFORD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. The Stanford Deputy Sheriffs' Association (Sdsa)

    EIN 942728105 · Headquarters: STANFORD, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. The Stanford Theatre Foundation

    EIN 770197543 · Headquarters: PALO ALTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. The Stanley & Joyce Black Family Foundation

    EIN 954259961 · Headquarters: BEVERLY HILLS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. The Stanley S Langendorf Foundation

    EIN 942861512 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  49. The Star Foundation

    EIN 770009281 · Headquarters: Orinda, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. The Star Housing Initiative

    EIN 421982855 · Headquarters: Sunnyvale, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. The Steam Foundation

    EIN 862453926 · Headquarters: San Ramon, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  52. The Stephen Philibosian Foundation

    EIN 237029751 · Headquarters: INDIAN WELLS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  53. The Stepping Stone of San Diego

    EIN 953080619 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. The Stockton Chorale

    EIN 942397085 · Headquarters: STOCKTON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. The Stockton Public Schools Foundation

    EIN 946083076 · Headquarters: STOCKTON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. The Streisand Foundation

    EIN 132620702 · Headquarters: Woodland Hills, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  57. The Strong Foundation

    EIN 941167412 · Headquarters: Lafayette, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  58. The Struggles

    EIN 851036881 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. The Success University Inc

    EIN 833110652 · Headquarters: SACRAMENTO, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. The Sudikoff Family Foundation

    EIN 956941160 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  61. The Suhail Foundation

    EIN 933384407 · Headquarters: YORBA LINDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. The Summerland Light Center

    EIN 946111017 · Headquarters: Cotati, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. The Summit League

    EIN 946095173 · Headquarters: SARATOGA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. The Sun City Roseville Tennis Club

    EIN 844359155 · Headquarters: Roseville, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. The Sunrise Optimist Club of San Diego Youth Opportunity and Community Service

    EIN 510194421 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  66. The Supreme Grand Lodge of the Ancient and Mystical Order Rosae Crucis

    EIN 770260906 · Headquarters: SAN JOSE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. The Supreme Master Ching Hai International Association in San Jose

    EIN 770251760 · Headquarters: MORGAN HILL, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. The Supreme Master Ching Hai Intl Association

    EIN 330646786 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  69. The Surety Underwriters Association of Southern California

    EIN 956096596 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. The Surti Leva Patidar Samaj of Sca

    EIN 953899246 · Headquarters: SOUTH GATE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. The Susie Tompkins Buell Foundation

    EIN 770266801 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  72. The Sutcliffe Foundation

    EIN 330072137 · Headquarters: SOLANA BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  73. The Sylvan C Coleman Foundation

    EIN 136091160 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  74. The Sylvia & Jim Katzman Foundation

    EIN 770114349 · Headquarters: SARATOGA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  75. The Table Collective Inc

    EIN 932325949 · Headquarters: PASADENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. The Tahoe Institute Inc

    EIN 954021356 · Headquarters: Thousand Oaks, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  77. The Tailhook Association

    EIN 952555350 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. The Tamalpa Institute

    EIN 946090882 · Headquarters: SAN RAFAEL, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. The Tan Family Foundation

    EIN 852561802 · Headquarters: Sun Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  80. The Teen Project Inc

    EIN 300421837 · Headquarters: Van Nuys, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. The Telos Foundation

    EIN 943110176 · Headquarters: EMERYVILLE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. The Temecula Sister City Association

    EIN 330569542 · Headquarters: Temecula, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. The Thalians

    EIN 951908711 · Headquarters: STUDIO CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. The Therapy Collective

    EIN 412780391 · Headquarters: Rancho Cucamonga, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. The Thin Blue Line of Ventura County

    EIN 883710691 · Headquarters: CAMARILLO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. The Thomas C Ackerman Foundation

    EIN 330477490 · Headquarters: LA MESA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. The Thora Foundation

    EIN 956091393 · Headquarters: LONG BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  88. The Thunderboats Unlimited Club Inc

    EIN 953649115 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. The Thursday Club San Diego California

    EIN 951298035 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. The Tidings

    EIN 951643386 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. The Tiffany Lee Inner Healing Project Incorporated

    EIN 333913674 · Headquarters: DESERT HOT SPRINGS, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. The Tilden Park Golf Club

    EIN 946104218 · Headquarters: Berkeley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. The Tile Industry Health & Welfare Fund

    EIN 951734798 · Headquarters: West Covina, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. The Title Family Foundation

    EIN 953155651 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. The TL Holland Foundation

    EIN 237355908 · Headquarters: Alpine, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  96. The Tlc Foundation for Body-focused Repetitive Behaviors

    EIN 770266587 · Headquarters: Concord, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. The Tlc Foundation for the Blind

    EIN 954155746 · Headquarters: RESEDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. The Tnr Collective Inc

    EIN 423035993 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. The Tom and Mayumi Adams Family Foundation

    EIN 473770855 · Headquarters: Huntington Beach, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  100. The Tony Robbins Foundation

    EIN 330492446 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

First page and all pages