Nonprofits in Tiburon, California

Nonprofits in Tiburon, California. Browse 148 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. 1 Percent Club

    EIN 933490562 · Headquarters: Tiburon, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. 5 Ryan Foundation

    EIN 821210794 · Headquarters: TIBURON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  3. Agency For Care

    EIN 393051804 · Headquarters: TIBURON, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Allan H Rappaport Charitable Found

    EIN 431128425 · Headquarters: TIBURON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  5. Alliance for Global Clinical Training

    EIN 464663709 · Headquarters: tiburon, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Alliance for Stroke Awareness and Prevention Project

    EIN 454325115 · Headquarters: Tiburon, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. American Skills Institute

    EIN 453505257 · Headquarters: Tiburon, CA, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  8. Angel Island Conservancy

    EIN 510152954 · Headquarters: TIBURON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Angel Island State Lifeguard Associ Ation

    EIN 394007611 · Headquarters: Tiburon, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Appalachia Housing Inc

    EIN 474871627 · Headquarters: Tiburon, CA, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Barn Road Foundation

    EIN 311586078 · Headquarters: Tiburon, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. Bay Area Infectious Diseases Society

    EIN 943230107 · Headquarters: Tiburon, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  13. Belvedere Tennis Club

    EIN 941563343 · Headquarters: TIBURON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Belvedere Tiburon Film Society

    EIN 990700092 · Headquarters: Tiburon, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Belvedere-tiburon Landmarks Society

    EIN 946104011 · Headquarters: TIBURON, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Bipolar & Depression Outcomes Research Institute

    EIN 830976018 · Headquarters: Tiburon, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Brainchain Foundation Inc

    EIN 332580399 · Headquarters: Tiburon, CA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Cadieux Martin Foundation

    EIN 686121768 · Headquarters: TIBURON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  19. California Health Research Foundation

    EIN 942476750 · Headquarters: TIBURON, CA, US · Medical Research · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  20. California Society of Plastic

    EIN 943222680 · Headquarters: TIBURON, CA, USA · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  21. California Teachers Association

    EIN 680106789 · Headquarters: Tiburon, CA, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  22. Caluso

    EIN 931537325 · Headquarters: Tiburon, CA, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Canobie Films Foundation Incorporated

    EIN 201170428 · Headquarters: Tiburon, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  24. Caroline Liviakis Dance Company

    EIN 823384296 · Headquarters: Tiburon, CA, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  25. Carolyn and Peter Friedman Foundation

    EIN 832838067 · Headquarters: TIBURON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. Cat Caring Connection

    EIN 943162121 · Headquarters: Tiburon, CA, US · Animal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  27. Chadwick Library Press Foundation

    EIN 844235058 · Headquarters: Tiburon, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  28. Chaiken Family Foundation Iii

    EIN 992905912 · Headquarters: TIBURON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. Change the World Fund

    EIN 464589905 · Headquarters: TIBURON, CA, USA · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990

  30. Charity Enablers Foundation

    EIN 680460563 · Headquarters: TIBURON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. Charter Road Productions Incorporated

    EIN 900756087 · Headquarters: Tiburon, CA, US · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  32. Circulo De Amigas Foundation

    EIN 814751047 · Headquarters: Tiburon, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Constance L Heldman Foundation High Hopes Foundation

    EIN 943367445 · Headquarters: TIBURON, CA, USA · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  34. Continuity of Life Inc

    EIN 273350516 · Headquarters: Tiburon, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  35. Corinthian Yacht Club of San Francisco

    EIN 940405160 · Headquarters: TIBURON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Delta Gamma Fraternity

    EIN 946173171 · Headquarters: Tiburon, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Destination Tiburon

    EIN 473197445 · Headquarters: Tiburon, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Emj Triathlon Team Inc

    EIN 464439500 · Headquarters: Tiburon, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  39. Enviromental Arts and Research

    EIN 942529856 · Headquarters: Tiburon, CA, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  40. Ethos Alliance Foundation

    EIN 271278623 · Headquarters: Tiburon, CA, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  41. EWING FAMILY FOUNDATION C/o Cynthia Miller

    EIN 541845641 · Headquarters: tiburon, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  42. Fontana Foundation

    EIN 141863190 · Headquarters: TIBURON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  43. For the Bayou

    EIN 264017973 · Headquarters: TIBURON, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  44. Foundation for Community Life

    EIN 680459126 · Headquarters: Tiburon, CA, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Foundation for the Aid of the Environment Arts Culture and Youth

    EIN 201444527 · Headquarters: Tiburon, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Frank Family Foundation

    EIN 680417021 · Headquarters: TIBURON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  47. Fund for Humanity

    EIN 680369149 · Headquarters: TIBURON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  48. Future Educational Films Inc

    EIN 942882934 · Headquarters: Tiburon, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Geothermal Education Office

    EIN 680234213 · Headquarters: Tiburon, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Ginungagap Foundation

    EIN 201402909 · Headquarters: Tiburon, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Grants for Good Foundation

    EIN 412274001 · Headquarters: Tiburon, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  52. Grey Family Foundation

    EIN 680323540 · Headquarters: TIBURON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  53. Harmony Land Caretakers Inc

    EIN 932347161 · Headquarters: Tiburon, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Hawi and Yema Foundation Limited

    EIN 853505519 · Headquarters: tiburon, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. Health Hub Sf

    EIN 825124843 · Headquarters: Tiburon, CA, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. High Performance Center Foundation

    EIN 862230945 · Headquarters: TIBURON, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Hilltop Foundation

    EIN 200499862 · Headquarters: TIBURON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. Indigenous of Russia Foundation

    EIN 934769795 · Headquarters: Tiburon, CA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Intelligent Justice

    EIN 884263626 · Headquarters: TIBURON, CA, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Its About Sea Life

    EIN 800817837 · Headquarters: Tiburon, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  61. Jinnie K Simonsen and John V Carbone Foundation

    EIN 852237636 · Headquarters: Tiburon, CA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. Jon & Darla Fisher Foundation

    EIN 261644125 · Headquarters: TIBURON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  63. Kuttie Library

    EIN 831346518 · Headquarters: TIBURON, CA, US · Youth Development · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  64. Lessons for Life

    EIN 475561250 · Headquarters: Tiburon, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Life Balance Institute

    EIN 680397298 · Headquarters: TIBURON, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Location Five Inc

    EIN 812398158 · Headquarters: TIBURON, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. London Floyd Family Foundation

    EIN 931300797 · Headquarters: TIBURON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  68. Lucky 7 Angels

    EIN 800927565 · Headquarters: Tiburon, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  69. Lyford Cove Old Tiburon Neighborhood Association

    EIN 832217168 · Headquarters: Tiburon, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  70. Maker4all

    EIN 995105842 · Headquarters: Tiburon, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Marin Cat Connection

    EIN 680346071 · Headquarters: Tiburon, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Marin Foundation of Friends of Arequipa

    EIN 941579905 · Headquarters: Tiburon, CA, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  73. Marin Music Conservatory

    EIN 943015912 · Headquarters: Tiburon, CA, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  74. Marine Applied Research and Exploration

    EIN 311821639 · Headquarters: TIBURON, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Master Mariners Benevolent Foundation

    EIN 943079816 · Headquarters: Tiburon, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Melanoma Research Institute

    EIN 680263472 · Headquarters: TIBURON, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  77. Merts Hands

    EIN 264489133 · Headquarters: Tiburon, CA, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  78. Mindfulness Without Borders Inc

    EIN 272282713 · Headquarters: Tiburon, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Mwsl Inc

    EIN 352378483 · Headquarters: Tiburon, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Networth Television Productions Inc

    EIN 271781733 · Headquarters: TIBURON, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Night Train Swimmers Inc

    EIN 273128700 · Headquarters: Tiburon, CA, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  82. Our One Community Inc

    EIN 800357884 · Headquarters: TIBURON, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Paradise Harbor Boating Association Inc

    EIN 237433663 · Headquarters: Tiburon, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Pass the Bricks Inc

    EIN 934280914 · Headquarters: Tiburon, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Phillips - Morrison Institute of Ca

    EIN 680065800 · Headquarters: TIBURON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. Presidio Uniformed Services Foundation

    EIN 994592249 · Headquarters: TIBURON, CA, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Psychedelic Safety & Education Coalition CPSE

    EIN 994239227 · Headquarters: Tiburon, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Reciprocating Smiles International

    EIN 934572149 · Headquarters: TIBURON, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Recycle for Africa

    EIN 831637250 · Headquarters: Tiburon, CA, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  90. Redwood Dugout Club

    EIN 472074133 · Headquarters: Tiburon, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Reed Schools Foundation

    EIN 943152375 · Headquarters: Tiburon, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Reed Union School District Pta

    EIN 946083305 · Headquarters: TIBURON, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Richardson Bay Environmental Protection Association

    EIN 830697203 · Headquarters: TIBURON, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Ripples of Regeneration Inc

    EIN 331767207 · Headquarters: Tiburon, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Road to Freedom Scholarships

    EIN 275559932 · Headquarters: TIBURON, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Rotary Club of Tiburon Sunset

    EIN 680296785 · Headquarters: Tiburon, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Rotary Club of Tiburon Sunset Foundation

    EIN 680458461 · Headquarters: TIBURON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Rotary Club of Tiburon-belvedere

    EIN 942496895 · Headquarters: TIBURON, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Rotary Club of Tiburon-belvedere Foundation

    EIN 680236077 · Headquarters: TIBURON, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Rothkopf Family Charitable Foundation

    EIN 363639061 · Headquarters: TIBURON, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

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