Nonprofits in Watertown, Connecticut

Nonprofits in Watertown, Connecticut. Browse 88 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. American Federation of State County & Municipal Employees

    EIN 066107719 · Headquarters: Watertown, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. American Federation of Teachers

    EIN 237215159 · Headquarters: Watertown, CT, US · Employment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  3. American Legion Auxiliary Oakville Unit 195 Department of Connecticut

    EIN 300629039 · Headquarters: Watertown, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. American Legion Post 195

    EIN 066107690 · Headquarters: WATERTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Branchville Civic Association Inc

    EIN 066071636 · Headquarters: Watertown, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Bridge to Cure Inc

    EIN 832168679 · Headquarters: WATERTOWN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Brieanna Rose Antonio Memorial Fund

    EIN 471225171 · Headquarters: WATERTOWN, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Buddhist Kung Fe Meditation Centre of USA Inc

    EIN 834229055 · Headquarters: WATERTOWN, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Camp Jonathan Inc

    EIN 061551558 · Headquarters: Watertown, CT, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  10. Civitan International

    EIN 066069639 · Headquarters: Watertown, CT, US · Human Services · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  11. Connecticut Cellar Savers Inc

    EIN 311585304 · Headquarters: Watertown, CT, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  12. Connecticut Classic Inc

    EIN 472434796 · Headquarters: WATERTOWN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. Connecticut Education Association

    EIN 237106770 · Headquarters: Watertown, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Connecticut Lions Eye Research Foundation Inc

    EIN 066046338 · Headquarters: WATERTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Crepon Strays Inc

    EIN 431985489 · Headquarters: WATERTOWN, CT, USA · Animal Related · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  16. Crestbrook Park Golf Association Inc

    EIN 061509116 · Headquarters: Watertown, CT, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  17. Crew 3000 Inc

    EIN 364906051 · Headquarters: Watertown, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Dodge Brothers Club Inc

    EIN 251611100 · Headquarters: watertown, CT, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  19. Dr We Mckay Ministries

    EIN 262175092 · Headquarters: Watertown, CT, US · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  20. Education Resource Foundation

    EIN 873127829 · Headquarters: WATERTOWN, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Electronic Service Association of Connecticut Inc

    EIN 061556939 · Headquarters: WATERTOWN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Evergreen Cemetery Association

    EIN 060337486 · Headquarters: WATERTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Falls Avenue Seniors Corporation

    EIN 264702299 · Headquarters: Watertown, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  24. Federated Garden Clubs of Connecticut Inc

    EIN 237163494 · Headquarters: Watertown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Fraternal Order of Police

    EIN 842970425 · Headquarters: Watertown, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Friends of the Watertown Library Association Inc

    EIN 061273426 · Headquarters: WATERTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Gamma Omega Housing Inc

    EIN 061354469 · Headquarters: watertown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Good Earth Ministries Inc

    EIN 522416212 · Headquarters: Watertown, CT, US · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  29. Guardian Giving Alliance Inc

    EIN 331793342 · Headquarters: WATERTOWN, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Heads and Principals Association C/o the Taft School

    EIN 043105291 · Headquarters: WATERTOWN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  31. Horatio's Heroes

    EIN 991813636 · Headquarters: WATERTOWN, CT, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. INTERNATIONAL ASSOCIATION OF LIONS CLUBS - Watertown Lions

    EIN 061156034 · Headquarters: Watertown, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Jesus Is the Way the Truth and the Life Inc

    EIN 815005420 · Headquarters: WATERTOWN, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Judson School Parent Teacher Organization Inc

    EIN 812215511 · Headquarters: WATERTOWN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Kangaroo's Korner Incorporated

    EIN 061485138 · Headquarters: WATERTOWN, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Kiwanis International

    EIN 066071080 · Headquarters: Watertown, CT, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  37. Kiwanis International Inc

    EIN 066081388 · Headquarters: Watertown, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  38. Knights of Columbus 3594 St Pius X Council

    EIN 222804016 · Headquarters: WATERTOWN, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Lacrosse Association of Watertown

    EIN 030382506 · Headquarters: WATERTOWN, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Litchfield County Childrens Choir Inc

    EIN 061378017 · Headquarters: WATERTOWN, CT, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. Little League Baseball Inc 2070313

    EIN 061285890 · Headquarters: WATERTOWN, CT, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  42. Michael Anthonys Project Inc

    EIN 275035468 · Headquarters: Watertown, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Military Order of the Purple Heart of the USA

    EIN 066069013 · Headquarters: Watertown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Moms for Liberty Litchfield Ct

    EIN 933774393 · Headquarters: WATERTOWN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Northwest Connecticut Sportsmans Council

    EIN 300115714 · Headquarters: WATERTOWN, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Oakville Watertown Youth Athletic Association

    EIN 141986338 · Headquarters: Watertown, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Perfect Imperfections Incorporated

    EIN 820731478 · Headquarters: Watertown, CT, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Pocket Full of Rocks Inc

    EIN 331711714 · Headquarters: Watertown, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Quilts That Care Inc

    EIN 462071189 · Headquarters: Watertown, CT, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Ron & Ellen Schmid Foundation Co Franklin Pilicy

    EIN 466446923 · Headquarters: Watertown, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  51. Scene Stealers

    EIN 020687655 · Headquarters: Watertown, CT, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  52. Sentinel Charitable Alliance Inc

    EIN 934621310 · Headquarters: WATERTOWN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Sun Moon &Stars Inc

    EIN 831361279 · Headquarters: WATERTOWN, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Super East Collegiate Hockey League Inc

    EIN 272939845 · Headquarters: Watertown, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. The Joe Garassino Foundation Inc

    EIN 462601479 · Headquarters: WATERTOWN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. The Kindconnect Inc

    EIN 412391281 · Headquarters: Watertown, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  57. The Macauley Foundation Inc

    EIN 061439255 · Headquarters: WATERTOWN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  58. The Pink Chair Project Inc

    EIN 831732190 · Headquarters: WATERTOWN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. The Rotary Club of Watertown Connecticut Foundation Inc

    EIN 061413045 · Headquarters: WATERTOWN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. The Taft School Corporation

    EIN 060646921 · Headquarters: WATERTOWN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Unico National

    EIN 060980251 · Headquarters: Watertown, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Veterans of Foreign Wars US Dept 5157

    EIN 060793141 · Headquarters: Watertown, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Vfw Auxiliary Department of Connecticut Inc

    EIN 364785090 · Headquarters: Watertown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. VNA Health at Home Inc

    EIN 060660419 · Headquarters: Watertown, CT, USA · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990

  65. Water Oak Circle of Sports

    EIN 200176308 · Headquarters: Watertown, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Water-oak Athletic Club

    EIN 061310254 · Headquarters: Watertown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Water-oak Community Women Inc

    EIN 060884365 · Headquarters: WATERTOWN, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Watertown Association for Youth Soccer Inc

    EIN 061047437 · Headquarters: WATERTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Watertown Connecticut Police Union Incorporated

    EIN 813995878 · Headquarters: Watertown, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  70. Watertown Fire Department Inc

    EIN 202486049 · Headquarters: WATERTOWN, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Watertown First Robot Inc

    EIN 061535797 · Headquarters: Watertown, CT, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  72. Watertown Foundation Inc

    EIN 066064660 · Headquarters: WATERTOWN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Watertown Golf Club Inc

    EIN 061303559 · Headquarters: WATERTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Watertown High School Gridiron Club

    EIN 450569684 · Headquarters: Watertown, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Watertown High School Pto

    EIN 743029581 · Headquarters: Watertown, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Watertown Historical Society Inc

    EIN 060834599 · Headquarters: WATERTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Watertown Land Trust

    EIN 237383726 · Headquarters: WATERTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Watertown Library Association

    EIN 060646955 · Headquarters: Watertown, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Watertown Lions Foundation Inc

    EIN 061418741 · Headquarters: Watertown, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Watertown Music Boosters Association

    EIN 061519069 · Headquarters: Watertown, CT, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  81. Watertown Police Benevolent Association

    EIN 222897963 · Headquarters: WATERTOWN, CT, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Watertown Police Dept Charity Golf Tournament Inc

    EIN 472859159 · Headquarters: WATERTOWN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Watertown Pomperaug Hockey Association Inc

    EIN 825404179 · Headquarters: Watertown, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Watertown Public School Education Foundation Inc

    EIN 043782643 · Headquarters: WATERTOWN, CT, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  85. Watertown Tennis Club Inc

    EIN 066071068 · Headquarters: Watertown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Watertown Youth Hockey Association Inc

    EIN 237029093 · Headquarters: Watertown, CT, USA · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990

  87. Watertown-oakville Taxpayers Association Inc

    EIN 061313390 · Headquarters: Watertown, CT, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  88. Western Connecticut Coalition Inc

    EIN 061411713 · Headquarters: WATERTOWN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990