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. Staples HS Girls Lacrosse Booster Club Inc

    EIN 850719036 · Headquarters: Westport, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Staples Lacrosse

    EIN 870781752 · Headquarters: Westport, CT, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  3. Staples Matmen Club

    EIN 842084728 · Headquarters: Westport, CT, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  4. Staples Music Parents Association

    EIN 272200940 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Staples Players Boosters Inc

    EIN 862667796 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Staples Softball Booster Club

    EIN 900672049 · Headquarters: westport, CT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  7. Staples Softball Booster Club Inc

    EIN 823203473 · Headquarters: Westport, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. StartUp Westport Inc

    EIN 934193938 · Headquarters: Westport, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Step for a Cause Inc

    EIN 861691969 · Headquarters: WESTPORT, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Sunrise Rotary 21St Century Foundation Inc

    EIN 061616012 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Survive-oars Inc

    EIN 862555805 · Headquarters: WESTPORT, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Sustainable Westport Inc

    EIN 922390110 · Headquarters: Westport, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Suzuki Music School of Westport Inc

    EIN 061498198 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Tails

    EIN 061616864 · Headquarters: WESTPORT, CT, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Team Digeronimo

    EIN 936944639 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  16. Teen Awareness Group

    EIN 464949261 · Headquarters: Westport, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Temenos Institute Incorporated

    EIN 060948074 · Headquarters: WESTPORT, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2016 · Primary form: IRS Form 990

  18. The 460 Foundation Inc

    EIN 061519305 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  19. The Baxter Foundation

    EIN 256603101 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. The Bennington Taylor Foundation C/o Manatuck Hill Ptrs Attn Mark Broach

    EIN 061577282 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  21. The Bertram Steinman Family Foundation Inc C/o S Steinman

    EIN 113570704 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  22. The Birchwood Country Club Incorporated

    EIN 060614265 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. The Bittersweet Foundation Inc

    EIN 010949570 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. The Bodhi Tree Foundation

    EIN 263756761 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  25. The Boroughs Family Foundation

    EIN 137542229 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  26. The Cacouna Foundation Inc

    EIN 921864637 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  27. The Children's Community Development Center Incorporated

    EIN 061030028 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. The Claus Academy Incorporated

    EIN 900510118 · Headquarters: WESTPORT, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  29. The David and Dorothy Carpenter Charitable Trust

    EIN 236951577 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. The Dionne Foundation Inc

    EIN 133797466 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. The Dottie Club Corp

    EIN 990446374 · Headquarters: WESTPORT, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. The Drake Group Inc

    EIN 463685626 · Headquarters: WESTPORT, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. The Filmmaker Fund

    EIN 452982027 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. The Foundation for Gender Equality

    EIN 357133017 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  35. The GDL Foundation

    EIN 206390199 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  36. The Georgescu Family Foundation

    EIN 134111095 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  37. The Gupta Family Foundation

    EIN 364139351 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. The Harman Family Foundation Co Richard Harman

    EIN 066086169 · Headquarters: Westport, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  39. The Hazel Dell Foundation Inc

    EIN 136161744 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  40. The Helping Heroes Foundation Inc Formerly Thomas Keenan Foundation Inc

    EIN 203470263 · Headquarters: WESTPORT, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  41. The Hole in the Wall Foundation Inc

    EIN 203865042 · Headquarters: westport, CT, USA · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990

  42. The Jewish Center for Community Services Inc

    EIN 060655499 · Headquarters: WESTPORT, CT, USA · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990

  43. The Juan Jacobo De Lara and Jonne Low De Lara Foundation Inc

    EIN 061004121 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  44. The Kahn Foundation

    EIN 463973421 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. The Karen Katen Foundation

    EIN 207103490 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  46. The Laurel Camps Foundation Inc

    EIN 831697737 · Headquarters: WESTPORT, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. The Leopold Swergold Family Foundation

    EIN 311627161 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  48. The Libby Holman Foundation Inc C/o Lloyd Clareman

    EIN 116037769 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  49. The Little Pink Shelter Inc

    EIN 454150617 · Headquarters: WESTPORT, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. The Macinnis Family Foundation

    EIN 203825167 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  51. The Marks Foundation

    EIN 133933322 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  52. The Martello Family Foundation

    EIN 874020692 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  53. The Mat Charitable Foundation Inc C/o William T Mccallum Cpa Pc

    EIN 136991067 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  54. The Mcinerney Family Foundation

    EIN 133949885 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  55. The Moskowitz Foundation Inc

    EIN 222857092 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  56. The Neighbors and Newcomers of Westport

    EIN 237191817 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. The Niblack Foundation

    EIN 527323778 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. The Northeast Childrens Theatre Company Inc

    EIN 452499804 · Headquarters: WESTPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  59. The Old Oak Trust

    EIN 066487646 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  60. The Parent Child Center Inc

    EIN 061276427 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. The Pray Family Foundation Inc

    EIN 900633482 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. The Rosalind Franklin Society Inc

    EIN 205760098 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. The Sachs Family Foundation

    EIN 201991926 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  64. The Seevers Family Foundation

    EIN 133437890 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  65. The Stewart & Constance Greenfield Foundation

    EIN 066301506 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  66. The Unitarian Universalist Congregation in Westport Inc

    EIN 060766361 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  67. The United States Pony Clubs Inc

    EIN 066102446 · Headquarters: Westport, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. The Weismann Foundation

    EIN 203969985 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  69. The Westport Downtown Association Inc

    EIN 061100750 · Headquarters: WESTPORT, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. The Westport Pba Scholarship Foundation Inc

    EIN 454003320 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. The Westport Woman's Club Incorporated

    EIN 060646962 · Headquarters: WESTPORT, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. The Witthoey Foundation Inc

    EIN 522143620 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  73. The Ys Women Inc Barbara Morrow

    EIN 471564432 · Headquarters: WESTPORT, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Theorem Media Inc

    EIN 833371047 · Headquarters: WESTPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. Third Millennium Foundation Inc

    EIN 061554774 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. Toastmasters International

    EIN 136213640 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Toastmasters International

    EIN 942924145 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Troilo Family Scholarship Inc

    EIN 812819569 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Trumbull Memorial Hospital C/o Winter Harbor Llc

    EIN 341461049 · Headquarters: WESTPORT, CT, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  80. Trustees of Temple Lodge #65 Af & Am Inc

    EIN 066048574 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Tryline Rugby Club Inc

    EIN 873440735 · Headquarters: WESTPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. U Thant Insitute Inc

    EIN 061468087 · Headquarters: Westport, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  83. Udayani Cultural Club Inc

    EIN 882618387 · Headquarters: Westport, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Ufcw and Participating Employers New England Health Fund

    EIN 066069081 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Ufcw Local 371 Community Charity Inc

    EIN 262356786 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Ukraine Aid International Inc

    EIN 881848788 · Headquarters: WESTPORT, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. Unbound Collective

    EIN 413631910 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Undergraduate Moot Court Team

    EIN 843115086 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. United Food & Commercial Workers Local 371

    EIN 060605499 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. United States Power Squadrons

    EIN 066063086 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. Vfw Auxiliary Department of Connecticut Inc

    EIN 270679414 · Headquarters: WESTPORT, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Walsh Family Foundation

    EIN 814517504 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  93. Walt Czekaj Foundation Charitable Tr

    EIN 276294224 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  94. Walter Family Pediatric Leukemia Foundation

    EIN 205416137 · Headquarters: WESTPORT, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Walter Kann Foundation Inc

    EIN 133381799 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  96. Water Rats Parents Club Inc

    EIN 061368264 · Headquarters: WESTPORT, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Welifeguard Inc

    EIN 843545413 · Headquarters: Westport, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Westchester County Bankers Associat Ion

    EIN 131737016 · Headquarters: WESTPORT, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Western Reserve Care System C/o Winter Harbor Llc

    EIN 341454933 · Headquarters: WESTPORT, CT, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  100. Weston High School Scholarship Committee

    EIN 066032878 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

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