Nonprofits in Darien, Connecticut

Nonprofits in Darien, Connecticut. Browse 263 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. 522 Foundation Inc

    EIN 810843269 · Headquarters: DARIEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. A Better Chance in Darien Inc

    EIN 061030004 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Acabella

    EIN 204931792 · Headquarters: DARIEN, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Alumnae Association of Mount Holyoke College Inc

    EIN 060966209 · Headquarters: Darien, CT, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  5. American Friends of the Episcopal Diocese of Jerusalem

    EIN 596155008 · Headquarters: Darien, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. American Immobiliare Inc C/o Brian Mcquillan

    EIN 811515272 · Headquarters: DARIEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Amita Lien Tri Association

    EIN 863377323 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Ancient Free & Accepted Masons of Connecticut

    EIN 066050782 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Andre and Elaine Suan Foundation

    EIN 061579439 · Headquarters: DARIEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  10. Andrew Shaw Memorial Trust

    EIN 066444446 · Headquarters: Darien, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. At Home in Darieninc

    EIN 272250386 · Headquarters: DARIEN, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Bassler Family Foundation Inc

    EIN 261561741 · Headquarters: DARIEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  13. Bello Agnello Celebration Center

    EIN 863715652 · Headquarters: Darien, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Big Dreams Childrens Foundation

    EIN 273937659 · Headquarters: Darien, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Bitter End Foundation Inc

    EIN 831855441 · Headquarters: Darien, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Blue & White Knights Inc

    EIN 461146210 · Headquarters: Darien, CT, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  17. Blue Wave Pride Club

    EIN 205232855 · Headquarters: Darien, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Blue Wave Wrestling Club Inc

    EIN 465574696 · Headquarters: Darien, CT, USA · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  19. Boulder Ridge Incorporated

    EIN 060802187 · Headquarters: Darien, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  20. Breast Cancer Survival Center Inc

    EIN 061548619 · Headquarters: DARIEN, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  21. Brian Henninger Foundation C/o Walter Berlingo and Company

    EIN 931287241 · Headquarters: DARIEN, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  22. Bruce and Janet Sargent Charitable Foundation

    EIN 061553701 · Headquarters: DARIEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Burlingame Foundation

    EIN 222779816 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  24. Camelot Faith and Leadership Institute Inc

    EIN 453505790 · Headquarters: Darien, CT, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  25. Captain Thomas Oconnor Foundation of the Kiwanis Club of Darien Inc

    EIN 237086159 · Headquarters: DARIEN, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  26. Carey Family Foundation

    EIN 201970720 · Headquarters: Darien, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. Ce12 Foundation

    EIN 454846018 · Headquarters: DARIEN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Chairmens Forum Inc

    EIN 461992316 · Headquarters: Darien, CT, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  29. Charles O Blaisdell Scholarship Fund

    EIN 208551844 · Headquarters: Darien, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Chi Omega Fraternity

    EIN 463214290 · Headquarters: DARIEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Children's Aid Inc

    EIN 510195566 · Headquarters: Darien, CT, USA · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  32. Christian Mission to Gaza

    EIN 330873172 · Headquarters: Darien, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Chuza Foundation

    EIN 061517579 · Headquarters: DARIEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. Click It for Cassie Inc

    EIN 452969649 · Headquarters: Darien, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. Cobblefield Fund Inc

    EIN 383792736 · Headquarters: DARIEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  36. Committee for Humane Legislation Inc

    EIN 132589924 · Headquarters: DARIEN, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  37. Connecticut Angels Incorporated

    EIN 473145507 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Connecticut Education Association

    EIN 237107188 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Connecticut Hedge Fund Association

    EIN 421646868 · Headquarters: DARIEN, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  40. Council of Darien School Parents

    EIN 061492291 · Headquarters: DARIEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Council of Darien School Parents Group

    EIN 911960215 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Crosslit Inc

    EIN 392251416 · Headquarters: DARIEN, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Ct Premier Water Polo Club

    EIN 852653801 · Headquarters: Darien, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Daniel P & Grace I Tully Charitable Trust

    EIN 222804896 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. Darien Advocates for Education of the Gifted

    EIN 061048343 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  46. Darien Arts Center Inc

    EIN 510180482 · Headquarters: DARIEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Darien Athletic Foundation Inc

    EIN 461788767 · Headquarters: Darien, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Darien Babe Ruth League

    EIN 061611224 · Headquarters: DARIEN, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Darien Board of Realtors Inc

    EIN 060759444 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Darien Boat Club

    EIN 060768024 · Headquarters: Darien, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Darien Book Aid Plan Inc

    EIN 066041210 · Headquarters: Darien, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Darien Chamber Charitable Foundation

    EIN 462998835 · Headquarters: DARIEN, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Darien Chamber of Commerce Inc

    EIN 060761584 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Darien Community Association Inc

    EIN 060763897 · Headquarters: Darien, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Darien Domestic Abuse Council Inc

    EIN 811589417 · Headquarters: DARIEN, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Darien Ems Post 53 Inc

    EIN 061625224 · Headquarters: DARIEN, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Darien Environmental Group Inc

    EIN 061306981 · Headquarters: Darien, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Darien Field Hockey Association Inc

    EIN 452622678 · Headquarters: Darien, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Darien Fire Department Inc

    EIN 066037894 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Darien Historical Society

    EIN 066068553 · Headquarters: DARIEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Darien Junior Field Hockey Inc

    EIN 844647962 · Headquarters: DARIEN, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Darien Junior Football League Inc

    EIN 061629278 · Headquarters: Darien, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Darien Junior Sailing Program Llc

    EIN 061538652 · Headquarters: Darien, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Darien Library Inc

    EIN 060647010 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Darien Little League #2070102

    EIN 061055536 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Darien Music for Youth Inc

    EIN 820973637 · Headquarters: DARIEN, CT, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  67. Darien Nature Center Inc

    EIN 061051768 · Headquarters: DARIEN, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Darien Police Association Inc

    EIN 060947017 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Darien Police Association Incorporated Voluntary Employees' Beneficiary Assoc

    EIN 462401826 · Headquarters: DARIEN, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Darien Pride Inc

    EIN 333727350 · Headquarters: Darien, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Darien Quiz Bowl Boosters

    EIN 992824484 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Darien Rotary Foundation Inc

    EIN 237073365 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Darien YMCA

    EIN 060859795 · Headquarters: Darien, CT, United States · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Darien Youth Baseball Inc

    EIN 562361868 · Headquarters: Darien, CT, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  75. Darien Youth Hockey Association Inc

    EIN 237320427 · Headquarters: Darien, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Darien Youth Lacrosse Inc

    EIN 651207097 · Headquarters: DARIEN, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Darien Youth Soccer Association Inc C/o Treasurer

    EIN 061419689 · Headquarters: DARIEN, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. Delafield Island Social Group Inc

    EIN 262876768 · Headquarters: DARIEN, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Dr Ba Maw Family Foundation Inc

    EIN 262952587 · Headquarters: Darien, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  80. Edward E Stone Foundation

    EIN 208147488 · Headquarters: Darien, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  81. Emagination Foundation Inc

    EIN 134269251 · Headquarters: darien, CT, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  82. Federated Garden Clubs of Connecticut Inc

    EIN 066065330 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Foundation of Light Inc

    EIN 263397801 · Headquarters: Darien, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Fracture Service Fund Inc C/o Walter Berlingo and Company

    EIN 133713480 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  85. Fredericks Family Foundation

    EIN 943288655 · Headquarters: Darien, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  86. Friends of Animals Inc

    EIN 136018549 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Friends of Goodwives River Inc

    EIN 061437112 · Headquarters: Darien, CT, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  88. Friends of Gorhams Pond Inc

    EIN 061177100 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Friends of Post 53 Inc

    EIN 061135369 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Friends of Sellecks Woods Inc

    EIN 061225601 · Headquarters: DARIEN, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Friends of the Garvan Institute of Medical Research

    EIN 205756271 · Headquarters: DARIEN, CT, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Friends of Woodland Park Inc

    EIN 061000423 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Gai Ingham Berlage Scholarship Inc

    EIN 943453329 · Headquarters: Darien, CT, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  94. George M Gregory Foundation

    EIN 136133549 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  95. Gerry and Franca Mulligan Foundation Inc

    EIN 061606023 · Headquarters: DARIEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  96. Global Dignity Inc

    EIN 821317433 · Headquarters: DARIEN, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. Great Island Preservation Inc

    EIN 995082502 · Headquarters: DARIEN, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. Greenshoots Foundation Inc

    EIN 873229011 · Headquarters: DARIEN, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  99. Hannah Storm Foundation Inc C/o Vincent Andrews Management Corp

    EIN 262193616 · Headquarters: DARIEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Hearing Loss Association of America Inc

    EIN 061594861 · Headquarters: DARIEN, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2020 · Primary form: IRS Form 990-N

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