Nonprofits in San Carlos, California

Nonprofits in San Carlos, California. Browse 246 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. Abe and Edith Ballonoff Family Foundation

    EIN 113687644 · Headquarters: SAN CARLOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  2. Ac Star Performing Cultural & Arts Center

    EIN 842441619 · Headquarters: SAN CARLOS, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Addario Lung Cancer Medical Institute

    EIN 261721868 · Headquarters: San Carlos, CA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Akiyama Family Foundation

    EIN 814216876 · Headquarters: San Carlos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  5. Allen S Taylor Foundation

    EIN 366195090 · Headquarters: San Carlos, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  6. Alpha Chi Omega Fraternity

    EIN 946112213 · Headquarters: San Carlos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Alpha Gamma Delta Fraternity

    EIN 311302451 · Headquarters: San Carlos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. American Chinese Women Society

    EIN 822351978 · Headquarters: SAN CARLOS, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. American Legion Lloyd J Tobey Post

    EIN 941249971 · Headquarters: San Carlos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Americas River Communities Inc

    EIN 562180206 · Headquarters: San Carlos, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Angelscholars Org

    EIN 475410241 · Headquarters: San Carlos, CA, US · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  12. Anna and Tuyen Truong Family Foundation

    EIN 871221548 · Headquarters: SAN CARLOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  13. Arbor Bay School

    EIN 010748214 · Headquarters: SAN CARLOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Arbor Foundation

    EIN 880480379 · Headquarters: SAN CARLOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  15. Asili Research Alliance

    EIN 825248095 · Headquarters: San Carlos, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Association for Vascular Access

    EIN 113794908 · Headquarters: San Carlos, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Bakery Confectionary Tobacco Wkrs and Grain Millers Intl Union Local 24

    EIN 940302195 · Headquarters: SAN CARLOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Ballet America

    EIN 770375539 · Headquarters: San Carlos, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Bay Area Alliance for Animals

    EIN 463590606 · Headquarters: San Carlos, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Bay Area Country Dance Society

    EIN 942576366 · Headquarters: San Carlos, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Bay Area Educational Theater Company

    EIN 943249816 · Headquarters: San Carlos, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. Bayside Broncos Youth Football and Cheer

    EIN 852466319 · Headquarters: SAN CARLOS, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Biokryptos

    EIN 812393351 · Headquarters: San Carlos, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Blue Star Mothers of America Inc

    EIN 711002923 · Headquarters: San Carlos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Boys Who Write

    EIN 884379144 · Headquarters: San Carlos, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Business Association of San Carlos Airport

    EIN 454492833 · Headquarters: San Carlos, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. California Congress of Parents Teachers & Students Inc

    EIN 943358486 · Headquarters: SAN CARLOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. California Congress of Parents Teachers & Students Inc

    EIN 946171234 · Headquarters: SAN CARLOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. California Congress of Parents Teachers & Students Inc

    EIN 946171348 · Headquarters: SAN CARLOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. California Congress of Parents Teachers and Students Inc

    EIN 942417447 · Headquarters: SAN CARLOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. California Federation of Womens Clubs

    EIN 237413439 · Headquarters: San Carlos, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  32. California Official Court Reporters Association Inc

    EIN 943354405 · Headquarters: SAN CARLOS, CA, USA · Crime & Legal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  33. California Pilots Association

    EIN 943005771 · Headquarters: San Carlos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. California Teachers Association

    EIN 550798499 · Headquarters: San Carlos, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. California Teachers Association

    EIN 942579772 · Headquarters: San Carlos, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. California Wildlife Officers Foundation

    EIN 208449229 · Headquarters: SAN CARLOS, CA, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Canadian Entrepreneurs in Life Science San Francisco Chapter

    EIN 821575797 · Headquarters: SAN CARLOS, CA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Carlmont Music Boosters Inc

    EIN 453638914 · Headquarters: SAN CARLOS, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Catalino Tapia Scholarship Foundati

    EIN 810579134 · Headquarters: SAN CARLOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Chapter 20 Experimental Aircraft Association San Francisco Bay Area

    EIN 946186117 · Headquarters: SAN CARLOS, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Civic Garden Club of San Carlos

    EIN 946102555 · Headquarters: San Carlos, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Clan Cunningham Society of America

    EIN 920746794 · Headquarters: San Carlos, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Commerative Historical Society

    EIN 471447104 · Headquarters: San Carlos, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  44. Community Empowerment and Opportunity Center

    EIN 263836288 · Headquarters: san carlos, CA, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  45. Community Foundation of San Carlos

    EIN 842531005 · Headquarters: San Carlos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Consortium for Service Innovation

    EIN 911745801 · Headquarters: SAN CARLOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Cupertino Deanza Lions Charities Inc

    EIN 770573626 · Headquarters: San Carlos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Czech School of California

    EIN 455163115 · Headquarters: San Carlos, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Danford Foundation

    EIN 942819322 · Headquarters: SAN CARLOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  50. Deanna Maran Foundation

    EIN 270023461 · Headquarters: San Carlos, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Decoded Antiquity

    EIN 332655547 · Headquarters: San Carlos, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Di Brimonsa Foundation

    EIN 472635530 · Headquarters: SAN CARLOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  53. Differance Makers Inc

    EIN 383912013 · Headquarters: San Carlos, CA, US · Youth Development · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  54. Digital Study Hall

    EIN 203530393 · Headquarters: San Carlos, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Dorothy K Fischer Veterans Assistance Foundation

    EIN 870734862 · Headquarters: SAN CARLOS, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  56. Dream Together Foundation

    EIN 811121294 · Headquarters: SAN CARLOS, CA, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  57. Each Green Corner

    EIN 833320257 · Headquarters: SAN CARLOS, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Edwin and June Gibson Scholarship Foundation

    EIN 922943305 · Headquarters: SAN CARLOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  59. Ele-mixen Education Foundation

    EIN 932572168 · Headquarters: San Carlos, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Eleanor Miller Education Foundation Inc

    EIN 452124379 · Headquarters: SAN CARLOS, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Entrepreneurs Organization of San Francisco East Bay

    EIN 853031710 · Headquarters: SAN CARLOS, CA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  62. Entrepreneurs Organization San Francisco

    EIN 272022111 · Headquarters: SAN CARLOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Fighting Unfairness Foundation

    EIN 871081063 · Headquarters: San Carlos, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Fools Mission

    EIN 812366070 · Headquarters: SAN CARLOS, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Foster the Future

    EIN 833425240 · Headquarters: San Carlos, CA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Free and Accepted Masons Peninsula Lodge 168

    EIN 940487866 · Headquarters: San Carlos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Friends of Cordilleras Creek

    EIN 412115155 · Headquarters: San Carlos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Friends of Redwood

    EIN 842384786 · Headquarters: San Carlos, CA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  69. Friends of San Carlos Adult Community Center

    EIN 943164951 · Headquarters: SAN CARLOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Friends of San Carlos Library

    EIN 010628754 · Headquarters: SAN CARLOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Fund for Israel

    EIN 934509698 · Headquarters: San Carlos, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Fund My Future

    EIN 465563639 · Headquarters: San Carlos, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  73. Global Childrens Vision

    EIN 461991187 · Headquarters: San Carlos, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Good in Focus

    EIN 934336888 · Headquarters: San Carlos, CA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  75. Good Living World Foundation

    EIN 843448827 · Headquarters: San Carlos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. Grains of Good Foundation

    EIN 812978117 · Headquarters: SAN CARLOS, CA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. H & K Argyropoulos Foundation

    EIN 942977256 · Headquarters: San Carlos, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  78. Hannig Cup

    EIN 991102001 · Headquarters: SAN CARLOS, CA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Hannig Environmental Research Organization Hero

    EIN 921108128 · Headquarters: SAN CARLOS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Hannig Sail It Forward

    EIN 922986528 · Headquarters: SAN CARLOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  81. Happiness Hall of Fame

    EIN 471431844 · Headquarters: san carlos, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Healthy Cities Tutoring Inc

    EIN 452543201 · Headquarters: SAN CARLOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Heather Elementary School Pta

    EIN 946172341 · Headquarters: SAN CARLOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Help Ukraine Group

    EIN 932896170 · Headquarters: San Carlos, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. Highlanders of Northern California

    EIN 263325445 · Headquarters: San Carlos, CA, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  86. Hiller Aviation Institute

    EIN 943226411 · Headquarters: SAN CARLOS, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Hollywood Hoss Inc

    EIN 274740210 · Headquarters: SAN CARLOS, CA, USA · Animal Related · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  88. Homeless Cat Network

    EIN 943177950 · Headquarters: San Carlos, CA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Housingforce

    EIN 993158012 · Headquarters: San Carlos, CA, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Human Resources Inc

    EIN 770119833 · Headquarters: SAN CARLOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  91. HUQ FOUNDATION INC Dba Education for Humanity USA

    EIN 208675977 · Headquarters: San Carlos, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  92. Incaendo

    EIN 994657560 · Headquarters: San Carlos, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Industrial Arts Business Assoc

    EIN 824430854 · Headquarters: San Carlos, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Innovation Reef & Wildlife Conservancy

    EIN 853007747 · Headquarters: SAN CARLOS, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Inspire Phillipines

    EIN 821134680 · Headquarters: San Carlos, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. International Association of Lions Clubs

    EIN 946126416 · Headquarters: San Carlos, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. International Footprint Association Inc

    EIN 946123390 · Headquarters: San Carlos, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  98. International Org - Redwood City

    EIN 237506592 · Headquarters: SAN CARLOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Invent Your Future Foundation

    EIN 273471851 · Headquarters: SAN CARLOS, CA, US · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  100. Italian Catholic Federation of California Inc

    EIN 942925194 · Headquarters: San Carlos, CA, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

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