Nonprofits in Westport, Connecticut

Nonprofits in Westport, Connecticut. Browse 456 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. Fairfield Bridle Trails Assoc Inc

    EIN 066087490 · Headquarters: Westport, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Fairfield County Association for Opera New England Inc

    EIN 237425854 · Headquarters: WESTPORT, CT, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  3. Fairfield County Chapter of Chartered Life Underwriters Inc

    EIN 066073427 · Headquarters: Westport, CT, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  4. Fairfield County Chorale Inc

    EIN 060801816 · Headquarters: Westport, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Fairfield County Hunt Club Incorporated

    EIN 060338460 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  6. Fairfield County Public Relations Association

    EIN 223278108 · Headquarters: Westport, CT, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  7. Fairfield County Training Institute Inc

    EIN 454239791 · Headquarters: Westport, CT, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  8. Fairfield Network of Executive Women

    EIN 222474802 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  9. Falcon Gridiron Club Inc

    EIN 923271402 · Headquarters: Westport, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Federated Garden Clubs of Connecticut Inc

    EIN 066051825 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Federated Garden Clubs of Connecticut Inc

    EIN 066080759 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Fetch Rescue Corp

    EIN 922457160 · Headquarters: Westport, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. First Night Westport-weston Inc

    EIN 223315372 · Headquarters: Westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  14. First Woman President Inc

    EIN 061635978 · Headquarters: Westport, CT, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  15. Flatiron Foundation Inc

    EIN 872098650 · Headquarters: WESTPORT, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  16. Focus on the Children

    EIN 911874939 · Headquarters: Westport, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Forum Health C/o Winter Harbor Llc

    EIN 311560189 · Headquarters: WESTPORT, CT, USA · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  18. Forum Health Holding Company C/o Winter Harbor Llc

    EIN 311560187 · Headquarters: WESTPORT, CT, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  19. Fox Family Charitable Foundation Inc

    EIN 134197378 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  20. Friends of Balanya English Academy

    EIN 863545954 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Friends of Longshore Sailing School Inc

    EIN 061602992 · Headquarters: WESTPORT, CT, USA · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  22. Friends of Sherwood Island State Park

    EIN 061446244 · Headquarters: WESTPORT, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Friends of the Levitt Pavilion Inc

    EIN 510190780 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Friends of the Westport Center for Senior Activities

    EIN 113707982 · Headquarters: WESTPORT, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Friends of the Westport Library Inc

    EIN 223136016 · Headquarters: Westport, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  26. Friends of Westport Parks and Recreation Inc

    EIN 274127337 · Headquarters: WESTPORT, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. Friends of Westport Public Art Collections Inc

    EIN 813624942 · Headquarters: Westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Friends of Wshu Public Radio Group Inc

    EIN 454867290 · Headquarters: Westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  29. Frost & Sullivan Holding Institute

    EIN 203391011 · Headquarters: WESTPORT, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Game Conservancy USA Inc

    EIN 721054351 · Headquarters: WESTPORT, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Gene & Ros Gans Family Foundation

    EIN 208084294 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. Generation Ubuntu Inc

    EIN 205952356 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Geringer Foundation Inc

    EIN 202602669 · Headquarters: Westport, CT, US · Science & Technology · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  34. Gfns Inc

    EIN 871163068 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Girls Staples High School Ice Hockey Booster Club Inc

    EIN 208055456 · Headquarters: Westport, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Global Coalition on Sustainability Fka Us Coalition on Sustainability

    EIN 845068832 · Headquarters: WESTPORT, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Global Survivors Fund USA Inc

    EIN 332294412 · Headquarters: Westport, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Gould Family Foundation

    EIN 020595263 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  39. Greatexplanations Foundation Inc

    EIN 991899397 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Greenfield Partners Foundation Inc

    EIN 208090808 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. Greens Farms School Pta C/o Taryn Allen

    EIN 061549036 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Gsocc Boosters Inc

    EIN 841936823 · Headquarters: WESTPORT, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Hall-Brooke Behavioral Health Services Inc

    EIN 060813283 · Headquarters: Westport, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2012 · Primary form: IRS Form 990

  44. Harmonetiks Project Inc

    EIN 931865889 · Headquarters: Westport, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Hartley Film Foundation Inc

    EIN 060950982 · Headquarters: WESTPORT, CT, USA · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990

  46. Harvest Now

    EIN 471586970 · Headquarters: WESTPORT, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. Heart Trust Inc

    EIN 205536661 · Headquarters: Westport, CT, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Hearts in Harmony Foundation

    EIN 934667555 · Headquarters: Westport, CT, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Heidi's Angels Foundation C/o Michael Greenberg

    EIN 455599369 · Headquarters: Westport, CT, USA · Religion Related · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  50. Hist1h1e Foundation Inc

    EIN 843710368 · Headquarters: Westport, CT, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Holocaust Child Survivors of Connecticut

    EIN 223218819 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Homeland Hoops Inc

    EIN 872342995 · Headquarters: Westport, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Homes with Hope

    EIN 222534326 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Horace Staples Trust

    EIN 066039258 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Horizons Housing Developers Incorporated

    EIN 061028146 · Headquarters: Westport, CT, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Horizons National Student Enrichment Program Inc

    EIN 061468129 · Headquarters: WESTPORT, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Hospital of Saint Raphael

    EIN 060653171 · Headquarters: Westport, CT, USA · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990

  58. Iha Inc

    EIN 061566759 · Headquarters: WESTPORT, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Imagine Connecticut Inc

    EIN 812588490 · Headquarters: WESTPORT, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  60. Institute for Classics Education Inc

    EIN 861589888 · Headquarters: Westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  61. Institute for Professional Education Inc

    EIN 263341604 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Int Assn Firefighters Local 1081

    EIN 066074544 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Intandem Impact Foundation

    EIN 921836511 · Headquarters: Westport, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. International Association of Lions Clubs

    EIN 521920384 · Headquarters: Westport, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  65. International Concussion Society

    EIN 822955479 · Headquarters: WESTPORT, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Invest Diva Private Foundation

    EIN 873816707 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  67. Irena Bronstein & Eugene Bonte Charitable Foundation

    EIN 043493350 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  68. Isaac Herman Zacharia Foundation

    EIN 510108212 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  69. Israelis-in-ct Inc

    EIN 810886455 · Headquarters: westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Jerry Fund Inc

    EIN 920295752 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  71. Jib Productions Inc

    EIN 320209993 · Headquarters: WESTPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Joan F Dionne Family Foundation

    EIN 266254109 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. Just So You Know Inc

    EIN 261614242 · Headquarters: westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Karen Leung Foundation Limited C/o Ayrton Capital Llc

    EIN 352475656 · Headquarters: WESTPORT, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Katz Family Foundation Inc

    EIN 203957834 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. Kidsovercancer Foundation Inc

    EIN 274591047 · Headquarters: WESTPORT, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Kidz Give Back Foundation

    EIN 275319463 · Headquarters: WESTPORT, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  78. Kings Highway School Pta C/o Andre Dassori

    EIN 060994200 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Knights of Columbus

    EIN 237541346 · Headquarters: Westport, CT, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  80. Knights of Columbus

    EIN 237541372 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Korok Cultural Association

    EIN 993096251 · Headquarters: Westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. La Leche League International Inc

    EIN 061613063 · Headquarters: Westport, CT, US · Health Care · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  83. Laddie Lawrence Scholarship Fnd Inc

    EIN 270959004 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Lamando Family Foundation

    EIN 206388980 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  85. Lat Foundation

    EIN 651060292 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. Laura C Weyher Foundation

    EIN 581942796 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  87. Lazar Foundation for the Performing Arts Inc

    EIN 454906247 · Headquarters: Westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  88. League of Womens Voters of Connecticut Inc

    EIN 066076270 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Learning Community Inc

    EIN 060870653 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Liddy Family Foundation

    EIN 656449530 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  91. Lift the Lid Inc

    EIN 272974363 · Headquarters: WESTPORT, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. Lipton Foundation Inc

    EIN 136143274 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. Live to Love to Live Corp

    EIN 475155348 · Headquarters: Westport, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Liz Milwe Inc

    EIN 133047051 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Local 371 Robert Burke Petronella Scholarship Fund

    EIN 066147136 · Headquarters: WESTPORT, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Long Lots School Pta C/o Kristen Rossi

    EIN 060994206 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Lookout Trust

    EIN 836462138 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  98. Lwga

    EIN 844782390 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. M Bonnie Axthelm Charitable Foundation

    EIN 066444196 · Headquarters: WESTPORT, CT, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  100. Malaika Kids Us Inc

    EIN 262221916 · Headquarters: Westport, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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