Social Science nonprofits in California

Social Science nonprofits in California. Browse 345 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. Endangered Voices Initiative Inc

    EIN 991863481 · Headquarters: SAN FRANCISCO, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Esalen Institute

    EIN 946114235 · Headquarters: Big Sur, CA, US · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Eudaimonia Institute Inc

    EIN 834115544 · Headquarters: Nevada City, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Falling Apple Science Institute

    EIN 263198716 · Headquarters: SANTA ANA, CA, USA · Social Science · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  5. Far Western Foundation

    EIN 853239033 · Headquarters: DAVIS, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  6. Fit Institute for Science & Tchnlgy

    EIN 522070993 · Headquarters: palo Alto, CA, US · Social Science · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  7. Foundation for Research in Economics and Education

    EIN 237071434 · Headquarters: Burbank, CA, US · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Foundation for the Realization of Contemporary Arts Sciences and Tec

    EIN 942313731 · Headquarters: Pasadena, CA, US · Social Science · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  9. Foundation for the Right to Effective Treatment

    EIN 852732095 · Headquarters: OCEANSIDE, CA, US · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Francis E Mcgovern Foundation

    EIN 850562258 · Headquarters: KENTFIELD, CA, US · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Fresno Coaltion of Arts Science and History

    EIN 203256572 · Headquarters: Fresno, CA, US · Social Science · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  12. Girls Math and Science Academy

    EIN 270757044 · Headquarters: Long Beach, CA, US · Social Science · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  13. Global Diversity Institute

    EIN 861079228 · Headquarters: Glendale, CA, US · Social Science · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  14. Global Fund for a New Economy Inc

    EIN 991955874 · Headquarters: ALAMEDA, CA, USA · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Global Game Jam Inc

    EIN 455617505 · Headquarters: SAN LUIS OBISPO, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Global Witness Foundation

    EIN 943399599 · Headquarters: PALO ALTO, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Good Energy Collective Inc

    EIN 851824410 · Headquarters: SACRAMENTO, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Government Finance Education Institute Attention Lori Raineri

    EIN 300422534 · Headquarters: SACRAMENTO, CA, USA · Social Science · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  19. Grandmothers Who Help

    EIN 743126475 · Headquarters: Oakland, CA, US · Social Science · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Harvest Financial Literacy Foundation

    EIN 932110966 · Headquarters: WEST COVINA, CA, US · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Heart of Anthropology

    EIN 943328101 · Headquarters: Richmond, CA, US · Social Science · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  22. Hello Ocean Science Foundation

    EIN 811004077 · Headquarters: Huntington Beach, CA, US · Social Science · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  23. Henry George School of Social Science

    EIN 956001433 · Headquarters: Tujunga, CA, US · Social Science · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  24. Henry George School of Social Science of San Francisco

    EIN 941251109 · Headquarters: San Francisco, CA, US · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Hispanic Neuropsychological Society

    EIN 473622614 · Headquarters: Lake Forest, CA, USA · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Howl Science Program Inc

    EIN 753102360 · Headquarters: Middletown, CA, US · Social Science · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  27. Human Behavior & Evolution Society Inc

    EIN 263756433 · Headquarters: Redlands, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Hunan Association of San Francisco Bay Area

    EIN 451777519 · Headquarters: MILPITAS, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Hvc Nonprofit Public Benefit Corporation

    EIN 921330423 · Headquarters: Claremont, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Iiij Foundation

    EIN 208407586 · Headquarters: MOUNTAIN VIEW, CA, USA · Social Science · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  31. Inland Empire Hispanic Leadership Cncl

    EIN 261777163 · Headquarters: RIVERSIDE, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Innovate the World

    EIN 263863982 · Headquarters: Valencia, CA, US · Social Science · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  33. Innovation State Inc

    EIN 455543555 · Headquarters: SACRAMENTO, CA, US · Social Science · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  34. Institute for Applied Neuroscience

    EIN 464135824 · Headquarters: SUNNYVALE, CA, USA · Social Science · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  35. Institute for Frontier Science

    EIN 232840016 · Headquarters: Oakland, CA, USA · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Institute for Holotropics Inc

    EIN 471591216 · Headquarters: Novato, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Institute for International Criminal Investigation

    EIN 943392517 · Headquarters: SACRAMENTO, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Institute for Law & Policy Planning

    EIN 942598722 · Headquarters: BERKELEY, CA, USA · Social Science · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  39. Institute for River Research International

    EIN 383172049 · Headquarters: Saugus, CA, US · Social Science · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  40. Institute for the Study of Natural and Cultural Resources

    EIN 943106861 · Headquarters: Berkeley, CA, US · Social Science · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. Institute for the Study of Social Concerns

    EIN 942223973 · Headquarters: Berkeley, CA, US · Social Science · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  42. Institute of Japanese Studies

    EIN 953895962 · Headquarters: So Pasadena, CA, US · Social Science · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  43. Institution Law and Security Center

    EIN 461775756 · Headquarters: Pasadena, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  44. Integral Community Solutions Institute

    EIN 352386628 · Headquarters: Fresno, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Intercultural Studies Forum Inc

    EIN 330753279 · Headquarters: San Diego, CA, US · Social Science · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  46. Interfaith Communities United for Justice and Peace

    EIN 260127429 · Headquarters: Los Angeles, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. International Assn For Regression Research

    EIN 953759278 · Headquarters: San Diego, CA, USA · Social Science · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  48. International Comparisons

    EIN 832060921 · Headquarters: Hayward, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. International Futures Forum - Us

    EIN 272530069 · Headquarters: Carlsbad, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. International Institute for Sustainable Transportation

    EIN 272031888 · Headquarters: Santa Cruz, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. International Qajar Studies Association Inc

    EIN 912144323 · Headquarters: Cupertino, CA, US · Social Science · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  52. International Society for Human Ethology

    EIN 841249067 · Headquarters: SAN DIEGO, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. International Society for Language Studies Inc

    EIN 200637470 · Headquarters: Laguna Beach, CA, US · Social Science · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  54. International Society for Military Ethics

    EIN 271212529 · Headquarters: Pacific Grove, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. International Society for the Comparative Study of Civilizations

    EIN 371220747 · Headquarters: Aptos, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. International Students Rights Center

    EIN 271299322 · Headquarters: LOS ANGELES, CA, US · Social Science · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  57. Iranian American Psychological Association

    EIN 203366762 · Headquarters: Los Angeles, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Japanese Students Network of Southern California

    EIN 742976596 · Headquarters: Gardena, CA, US · Social Science · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  59. Jimena Inc

    EIN 262893844 · Headquarters: SAN RAFAEL, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Judith Wallerstein Center for the Family in Transition

    EIN 942650693 · Headquarters: San Rafael, CA, US · Social Science · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  61. Kitechild

    EIN 270856041 · Headquarters: MALIBU, CA, USA · Social Science · Latest available filing year: 2023 · Primary form: IRS Form 990

  62. Korean Commercial Arbitration Board

    EIN 981337043 · Headquarters: LOS ANGELES, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Korean Diaspora Institute

    EIN 872890992 · Headquarters: SUNNYVALE, CA, USA · Social Science · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  64. La Jolla Institute

    EIN 330712371 · Headquarters: RANCHO CUCAMONGA, CA, US · Social Science · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  65. Lambourne Institute

    EIN 161782166 · Headquarters: CARMEL, CA, US · Social Science · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  66. Learning Research Association

    EIN 330409023 · Headquarters: LONG BEACH, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Leo Clarus Foundation

    EIN 471271367 · Headquarters: LOS ANGELES, CA, US · Social Science · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  68. Leocadia

    EIN 815299137 · Headquarters: Newport Beach, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Liberated Ethnic Studies Model Curriculum Consortium

    EIN 871703100 · Headquarters: WHITTIER, CA, USA · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Libertas Institute

    EIN 881800838 · Headquarters: Mission Viejo, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Los Angeles Chapter Intl Society

    EIN 954287679 · Headquarters: Harbor City, CA, US · Social Science · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  72. Lsb Leakey Fdtn for Research Related to Human Origins Behavior and Survival

    EIN 952536475 · Headquarters: SAN FRANCISCO, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Ma Durga Temple Mother Divine Institute of Sacred Sciences

    EIN 954721637 · Headquarters: Pasadena, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Macrocosm USA

    EIN 770315808 · Headquarters: Cambria, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Main Street Taxpayer Association a Public and Charitable Nonprofit C

    EIN 384122089 · Headquarters: RANCHO SANTA FE, CA, US · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Malintzin Society Inc

    EIN 264765675 · Headquarters: SANTA MONICA, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Malion Circle

    EIN 853075951 · Headquarters: Irvine, CA, US · Social Science · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  78. Marin Democratic Socialists of America

    EIN 873152230 · Headquarters: Fairfax, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Martin Luther King Jr Committee of Ventura County

    EIN 262518769 · Headquarters: Oxnard, CA, US · Social Science · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  80. Matilija University

    EIN 273679334 · Headquarters: Ojai, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Media Interchange Inc

    EIN 680374082 · Headquarters: Novato, CA, US · Social Science · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  82. Mendocino Institute of Science and History

    EIN 942719089 · Headquarters: Palo Alto, CA, US · Social Science · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  83. Mk Level Playing Field Institute

    EIN 912088635 · Headquarters: OAKLAND, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Mojave Desert Gem and Mineral Society

    EIN 330641506 · Headquarters: HINKLEY, CA, US · Social Science · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  85. Moon Economics Institute

    EIN 933069811 · Headquarters: Irvine, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Mosaic Therapy Collective

    EIN 883426274 · Headquarters: SANTA BARBARA, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. Multicultural Foundation for Technology and Sciences

    EIN 943351374 · Headquarters: San Jose, CA, US · Social Science · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  88. Nanka Fukushima Kenjin Kai Inc

    EIN 208540241 · Headquarters: Fullerton, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. National Asian-pacific Islander Council Corp

    EIN 461723601 · Headquarters: Fountain Valley, CA, US · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. National Business Science Society

    EIN 461034040 · Headquarters: Arcadia, CA, US · Social Science · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  91. National Council for Geocosmic Research Inc

    EIN 141993710 · Headquarters: SAN DIEGO, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. National Council for Geocosmic Research Inc

    EIN 412229283 · Headquarters: Sherman Oaks, CA, US · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. National Council for Geocosmic Research Inc

    EIN 943246739 · Headquarters: San Francisco, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. National Popular Vote Institute

    EIN 262107978 · Headquarters: Lafayette, CA, USA · Social Science · Latest available filing year: 2014 · Primary form: IRS Form 990

  95. National Science Education Institute for Excellence In

    EIN 371531888 · Headquarters: Thousand Oaks, CA, US · Social Science · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  96. National Womens History Alliance

    EIN 680068086 · Headquarters: SANTA ROSA, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Navara Institute

    EIN 365148952 · Headquarters: EL CERRITO, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Network for Educational Opportunity

    EIN 770539599 · Headquarters: FRESNO, CA, US · Social Science · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. New Equations Foundation

    EIN 263471075 · Headquarters: San Anselmo, CA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. New Horizons

    EIN 223823819 · Headquarters: GLENDALE, CA, US · Social Science · Latest available filing year: 2016 · Primary form: IRS Form 990-N

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