Nonprofits in California

Nonprofits in California. Browse 229,931 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. Singspiration

    EIN 743125506 · Headquarters: Artesia, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Singularity Film Inc

    EIN 931391027 · Headquarters: Foster City, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Singularity Foundation

    EIN 464941294 · Headquarters: MENLO PARK, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  4. Singwin Cantonese Opera Foundation

    EIN 994649319 · Headquarters: HACIENDA HEIGHTS, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Sinha Family Foundation

    EIN 332263117 · Headquarters: PALO ALTO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  6. Sinkable Co

    EIN 862308998 · Headquarters: Claremont, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Sinking Deep Ministry

    EIN 393027144 · Headquarters: Newbury Park, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Sinkler Miller Medical Association

    EIN 943101790 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Sinkyone Sanctuary

    EIN 822820190 · Headquarters: Geyserville, CA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Sinland Mc

    EIN 920938041 · Headquarters: Fontana, CA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  11. Sino American Assoc for Buddhist Practices Inc

    EIN 953640642 · Headquarters: ANAHEIM, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Sino American Buddhist Charitable Founda

    EIN 264787185 · Headquarters: LOS ANGELES, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  13. Sino American Buddhist Cultural Center Inc

    EIN 953315547 · Headquarters: Downey, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Sino American Heritage Foundation

    EIN 872347206 · Headquarters: San Jose, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Sino American Partnership Association Inc

    EIN 813602310 · Headquarters: San Francisco, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Sino American Rural Development Association

    EIN 830755543 · Headquarters: THOUSAND OAKS, CA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Sino American Trade Development Association

    EIN 472172957 · Headquarters: TEMPLE CITY, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  18. Sino Asian Institute

    EIN 470958702 · Headquarters: La Crescenta, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Sino Us Guzheng Association

    EIN 932337195 · Headquarters: Irvine, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Sino Us Performing Arts Organization

    EIN 454232868 · Headquarters: ALHAMBRA, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. Sino Us Youth Art Foundation

    EIN 850912270 · Headquarters: San Jose, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Sino Zhang Xueliang Foundation

    EIN 474462398 · Headquarters: San Marino, CA, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  23. Sino-america Language and Culture Exchange Organization

    EIN 825338268 · Headquarters: Belmont, CA, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. Sino-american Artists Foundation

    EIN 954863311 · Headquarters: LOS ANGELES, CA, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  25. Sino-american Cancer Foundation

    EIN 954548686 · Headquarters: COVINA, CA, USA · Medical Research · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  26. Sino-american Century Educational Foundation

    EIN 814826038 · Headquarters: SEAL BEACH, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Sino-american Certified Public Accountants Association

    EIN 330632138 · Headquarters: CITY OF INDUSTRY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Sino-american Finance Association

    EIN 812889235 · Headquarters: EL MONTE, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  29. Sino-American Friendship City Association

    EIN 843563842 · Headquarters: Danville, CA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Sino-american Professional Photographers Association

    EIN 934639775 · Headquarters: WALNUT, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  31. Sino-american Public Diplomacy Association

    EIN 352669108 · Headquarters: ROSEMEAD, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Sino-american Real Estate Chamber

    EIN 393869985 · Headquarters: Irvine, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Sino-us Cultural Artists Alliance

    EIN 463440036 · Headquarters: SAN JOSE, CA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  34. Sino-us Intangible Cultural Heritage Exchange Association

    EIN 993379689 · Headquarters: SAN GABRIEL, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Sino-us Investment Association

    EIN 472152241 · Headquarters: ALHAMBRA, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  36. Sino-us Medical Science Organization

    EIN 851266299 · Headquarters: ROSEMEAD, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Sinsau Ministries Inc

    EIN 861882941 · Headquarters: Newbury Park, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Sintral Valley Derby Girls

    EIN 264076062 · Headquarters: Modesto, CA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Sinus Care Foundation

    EIN 262287879 · Headquarters: ATHERTON, CA, USA · Medical Research · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  40. Sion Adv Church

    EIN 843942354 · Headquarters: Petaluma, CA, USA · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  41. Sionfonds for Haiti

    EIN 263990712 · Headquarters: Canyon, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. SIOR Northern California Chapter

    EIN 942822416 · Headquarters: ORINDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  43. Sioux Falls 57 Good Samaritan Housing Inc

    EIN 204714647 · Headquarters: CAMARILLO, CA, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Sioux Falls Good Samaritan Housing Inc

    EIN 460385187 · Headquarters: CAMARILLO, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Siows Foundation

    EIN 263860428 · Headquarters: SAN JOSE, CA, USA · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  46. Sip and Save Sanctuary Inc

    EIN 863732114 · Headquarters: Los Gatos, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Sipsys Entertainment

    EIN 932890873 · Headquarters: LOS BANOS, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  48. Siqueiros Foundation of the Arts

    EIN 800963051 · Headquarters: Hermosa Beach, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Siquijor Descendantsst Francis of Assisi Association of USA

    EIN 921266340 · Headquarters: El Dorado Hills, CA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Sir Charles Bell Society

    EIN 832187710 · Headquarters: Beverly Hills, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Sir Homes Inc

    EIN 834013180 · Headquarters: Lakewood, CA, US · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  52. Sir Horace Kadoorie Youth Development Foundation

    EIN 843594992 · Headquarters: SOUTH PASADENA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  53. Sir Peter Shaffer Charitable Foundation

    EIN 826686148 · Headquarters: LOS ANGELES, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  54. Sir Thomas Beecham Society Inc

    EIN 800178192 · Headquarters: Topanga, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  55. Siraj Center

    EIN 392729227 · Headquarters: Mountain House, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Sircle of Success

    EIN 394283996 · Headquarters: West Hollywood, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Siren Song Theatricals

    EIN 883272775 · Headquarters: santa clarita, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Sirens Professional Association of Fire Service Women

    EIN 203945040 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  59. Sirens Sports Organization

    EIN 020641147 · Headquarters: North Highlands, CA, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  60. Sirens Studio for Youth and the Arts

    EIN 680481148 · Headquarters: Petaluma, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Sirens Water Polo Club

    EIN 921478688 · Headquarters: Clvois, CA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. Sirf Inc

    EIN 831974604 · Headquarters: WILMINGTON, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  63. Sirious Baseball Foundation

    EIN 842095947 · Headquarters: LOS GATOS, CA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  64. Siriwan Singhasiri and Kenneth Lin Foundation

    EIN 854367685 · Headquarters: PALO ALTO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  65. Sirolli Institute International Enterprise Facilitation Inc

    EIN 810509490 · Headquarters: SACRAMENTO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Sirona Cares Foundation

    EIN 270214325 · Headquarters: Pacifica, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  67. Sirona Center for Healing Inc

    EIN 992139213 · Headquarters: SAN DIEGO, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Sirrah Foundation

    EIN 770652111 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  69. Sirvard Chimayan Foundation

    EIN 993708243 · Headquarters: SUNLAND, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  70. Sis Compatriotic & Cultural Society

    EIN 954450291 · Headquarters: LA HABRA, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990

  71. Sisar Mutual Water Co

    EIN 956095719 · Headquarters: SANTA PAULA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. SISDAC - North California Division

    EIN 994134808 · Headquarters: Galt, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Sishood Enrichment

    EIN 823797339 · Headquarters: PALMDALE, CA, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  74. Sisi Organization

    EIN 844460196 · Headquarters: San Francisco, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Sisk Parent Teacher Group

    EIN 993205892 · Headquarters: Salida, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Siskiyou Artists Association

    EIN 264828559 · Headquarters: Mt Shasta, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Siskiyou Arts Council

    EIN 680267433 · Headquarters: MOUNT SHASTA, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  78. Siskiyou Arts Museum

    EIN 454898370 · Headquarters: Dunsmuir, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Siskiyou Bowmen and Field Archers

    EIN 946107881 · Headquarters: HORNBROOK, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. Siskiyou Child Care Council Inc

    EIN 942674706 · Headquarters: WEED, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Siskiyou Christian School

    EIN 680373426 · Headquarters: WEED, CA, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  82. Siskiyou Co Economic Development Council

    EIN 680062634 · Headquarters: Yreka, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Siskiyou Co Rolling Hills Mutual Water Company Inc

    EIN 941700383 · Headquarters: Yreka, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Siskiyou Community Center

    EIN 680427758 · Headquarters: WEED, CA, USA · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-EZ

  85. Siskiyou Community Food Bank

    EIN 472417905 · Headquarters: Yreka, CA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. Siskiyou Community Resource Collaborative

    EIN 680191354 · Headquarters: YREKA, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Siskiyou Community Services Council

    EIN 202541370 · Headquarters: Mount Shasta, CA, US · Crime & Legal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  88. Siskiyou County Arts Council

    EIN 475213441 · Headquarters: Mount Shasta, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Siskiyou County Beekeepers Association

    EIN 821554724 · Headquarters: Yreka, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Siskiyou County Canine Association

    EIN 272850480 · Headquarters: YREKA, CA, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Siskiyou County Farm Bureau

    EIN 941198510 · Headquarters: YREKA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Siskiyou County Fire Chiefs Inc

    EIN 941689311 · Headquarters: Yreka, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  93. Siskiyou County Historical Society

    EIN 946107637 · Headquarters: YREKA, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Siskiyou County HIV-AIDS Foundation

    EIN 680330770 · Headquarters: Yreka, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  95. Siskiyou County Job Council

    EIN 770409029 · Headquarters: Yreka, CA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Siskiyou County Library Vestal Foundation

    EIN 680397898 · Headquarters: YREKA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Siskiyou County Off-road Riders

    EIN 822589551 · Headquarters: Yreka, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Siskiyou County Probation and Juvenile Peace Officers Associatio

    EIN 611565666 · Headquarters: Yreka, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  99. Siskiyou County Sheriff Search and Rescue Association

    EIN 474070089 · Headquarters: Yreka, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Siskiyou County Sheriffs Posse

    EIN 680109650 · Headquarters: Yreka, CA, US · Crime & Legal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

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