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. Maplewood Senior Living Heart FDN Inc

    EIN 463784259 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Martin Family Foundation Inc

    EIN 934782284 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  3. Maruf Ct

    EIN 394273211 · Headquarters: Westport, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Mary Jane Lane Road Association Inc

    EIN 061376815 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Meals for Music Inc

    EIN 921863919 · Headquarters: Westport, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Michael S Sachs Foundation

    EIN 824347812 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  7. Mid Fairfield County Assoc of Realtors

    EIN 060605691 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Mieczyslaw Munz Scholarship Fund Inc

    EIN 133000494 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  9. Minuteman Yacht Club Inc

    EIN 237389753 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Missingpet911 Inc

    EIN 263401758 · Headquarters: WESTPORT, CT, US · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  11. Missionaries of the Abandoned Christ

    EIN 061572462 · Headquarters: Westport, CT, US · Religion Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  12. Moca Ct Inc

    EIN 060890501 · Headquarters: WESTPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Modern Quilt Guild Inc

    EIN 471959076 · Headquarters: Westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Mohonk Education & Neuropsychological Foundation Inc

    EIN 043521279 · Headquarters: WESTPORT, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Moms in Security Inc (Misgo)

    EIN 881117119 · Headquarters: WESTPORT, CT, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Morton B Kahn & Phyllis C Kahn Family Private Foundation

    EIN 311577521 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  17. Music for Youth Inc

    EIN 010746495 · Headquarters: Westport, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. My Child's Hand Foundation Trust

    EIN 137355037 · Headquarters: WESTPORT, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  19. Myteam Triumph - Connecticut

    EIN 823500675 · Headquarters: WESTPORT, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. National Alliance of Research Associates Program Inc

    EIN 264138552 · Headquarters: Westport, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. National Charity League Westport Chapter

    EIN 870769582 · Headquarters: Westport, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. National Network of Episcopal Clergy Assoc

    EIN 850375946 · Headquarters: Westport, CT, US · Religion Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  23. National Society of the Sons of the American Revolution

    EIN 061471612 · Headquarters: WESTPORT, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Nead Inc Connecticut

    EIN 223186487 · Headquarters: WESTPORT, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  25. Nest Egg Foundation Inc

    EIN 471499957 · Headquarters: Westport, CT, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Never Surrender to Parkinsons Inc

    EIN 651311654 · Headquarters: WESTPORT, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  27. New York City Association of Trauma Therapists

    EIN 933521216 · Headquarters: WESTPORT, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Newman's Own Foundation

    EIN 061606588 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  29. Non Profit Energy Foundation Inc

    EIN 472318347 · Headquarters: WESTPORT, CT, US · Science & Technology · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  30. Nonprofitxchange Inc

    EIN 814015146 · Headquarters: Westport, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Northeast Right to Work Coalition Inc

    EIN 822764532 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Norwalk Arts & Crafts Worksh C/o Johanna Straczek

    EIN 061018521 · Headquarters: WESTPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  33. Norwalk Community Chorale Inc

    EIN 061369044 · Headquarters: Westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Norwalkseeks Corporation

    EIN 208688228 · Headquarters: westport, CT, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  35. Not Unlucky Foundation Corporation

    EIN 465292259 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  36. Nutmeg Basketball Association Inc

    EIN 871948538 · Headquarters: Westport, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. OceanX

    EIN 830757695 · Headquarters: WESTPORT, CT, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Oceanx Education Inc

    EIN 991603704 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Olympic Athletes Rowing at Saugatuck Inc

    EIN 331055179 · Headquarters: WESTPORT, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Omaha Foundation Inc

    EIN 465735917 · Headquarters: westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  41. One Bloodline- Hockey 4 Humanity Inc

    EIN 921753653 · Headquarters: Westport, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Open Doors Foundation Corp

    EIN 832492534 · Headquarters: WESTPORT, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Our Heritage Inc

    EIN 202687336 · Headquarters: Westport, CT, US · Religion Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  44. Our Vision Inc

    EIN 061019196 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Oyebog Tennis Academy

    EIN 582490083 · Headquarters: WESTPORT, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Parent Booster USA Inc

    EIN 392873786 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Patricia Armstrong Dressler Foundation

    EIN 276702258 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  48. Paul a Keenan Memorial Foundation Inc

    EIN 010937320 · Headquarters: westport, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  49. PCT4PC Inc

    EIN 862748060 · Headquarters: Westport, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Pequot Family Foundation

    EIN 454047226 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  51. Phoebes Phriends

    EIN 463299679 · Headquarters: Westport, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  52. Pierrepont School Inc

    EIN 522336109 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Piglet International Inc

    EIN 843904311 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Pink Aid Inc

    EIN 471031835 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Positive Directions-the Center for Prevention & Counseling Inc

    EIN 060935732 · Headquarters: WESTPORT, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Professional Women in Construction National Inc

    EIN 934184306 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. Project Return Inc

    EIN 222552501 · Headquarters: Westport, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2016 · Primary form: IRS Form 990

  58. Ptsa Connecticut Inc

    EIN 060994191 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Ptsa Connecticut Inc

    EIN 060994192 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. R Channing Wheeler Family Foundation

    EIN 206756873 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  61. Rach's Hope Inc

    EIN 833361115 · Headquarters: WESTPORT, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Remarkable Steam Inc

    EIN 461803605 · Headquarters: Westport, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Richard and Patricia Jay Charitable Foundation

    EIN 384095602 · Headquarters: WESTPORT, CT, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  64. Robert a Welke Cancer Research Foundation Inc C/o Elizabeth N Welke

    EIN 061403527 · Headquarters: WESTPORT, CT, USA · Medical Research · Latest available filing year: 2023 · Primary form: IRS Form 990

  65. Robert and Lou Ann Giunta Foundation

    EIN 061468493 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  66. Rotary International

    EIN 061281357 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Ruth F and Henry W Klein Foundation Inc

    EIN 136068385 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  68. Saint Raphael Foundation Inc

    EIN 510140710 · Headquarters: Westport, CT, USA · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990

  69. Saint Raphael Healthcare System Inc

    EIN 061157542 · Headquarters: Westport, CT, USA · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990

  70. Sante Imanite Inc

    EIN 883611244 · Headquarters: Westport, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Saugatuck Child Care Services Inc

    EIN 061020584 · Headquarters: WESTPORT, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Saugatuck Elementary School Pta C/o Nick Logan

    EIN 043681812 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Saugatuck Harbor Yacht Club Inc

    EIN 060757868 · Headquarters: WESTPORT, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Saugatuck Nursery School

    EIN 900180259 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Save Our Strays Inc

    EIN 222993819 · Headquarters: WESTPORT, CT, US · Animal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  76. Save Westport Now Inc Co Sidney Kramer

    EIN 061015095 · Headquarters: WESTPORT, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  77. Sea Cove Foundation Inc

    EIN 471914807 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  78. Sfhbc Inc

    EIN 472175204 · Headquarters: WESTPORT, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Shark Side Inc

    EIN 851920940 · Headquarters: Westport, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Sheyva Foundation

    EIN 810933197 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  81. Shop for a Better World Corporation

    EIN 851590333 · Headquarters: Westport, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Simply Smiles Inc

    EIN 562332922 · Headquarters: WESTPORT, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. Skatemovement Inc

    EIN 461999160 · Headquarters: WESTPORT, CT, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  84. Social Impact Partners Inc

    EIN 851704762 · Headquarters: Westport, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Soft Focus Foundation

    EIN 412965394 · Headquarters: Westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Solerico Foundation Inc

    EIN 825475193 · Headquarters: Westport, CT, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  87. Something Wolfy

    EIN 842997444 · Headquarters: WESTPORT, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  88. Sons of Italy in America

    EIN 061064355 · Headquarters: Westport, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  89. Soundview Empowerment Alliance Inc

    EIN 881027401 · Headquarters: Westport, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Spark Your Heart

    EIN 451065868 · Headquarters: Westport, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Speerhead Theatricals Inc

    EIN 454881737 · Headquarters: Westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  92. Spirit Improv Ltd

    EIN 113526167 · Headquarters: Westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  93. Sports Youth Fund Inc

    EIN 881750983 · Headquarters: Westport, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Stanley and Catherine Maas Foundati

    EIN 112690167 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  95. Staples Boys Lax Boosters Inc

    EIN 333067677 · Headquarters: Westport, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Staples Boys Soccer Foundation Inc C/o Jason Epstein

    EIN 993453496 · Headquarters: WESTPORT, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Staples Diamond Club Inc

    EIN 202189065 · Headquarters: WESTPORT, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Staples Girls Basketball Association

    EIN 332231098 · Headquarters: Westport, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Staples High School Pta C/o Michelle Macris

    EIN 060994415 · Headquarters: WESTPORT, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Staples High School Tuition Grants Committee Inc

    EIN 510182993 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

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