Nonprofits in New Haven, Connecticut

Nonprofits in New Haven, Connecticut. Browse 1,225 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. 'R Kids Inc

    EIN 061453694 · Headquarters: NEW HAVEN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. 10000 Hawks Inc

    EIN 931498175 · Headquarters: New Haven, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. 130 Howe Street Inc

    EIN 061605510 · Headquarters: NEW HAVEN, CT, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990

  4. 1533 State Street Inc

    EIN 061535382 · Headquarters: NEW HAVEN, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. 1947 Townsend Street Incorporated

    EIN 871447604 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. 333 Valley Street an Intergenerational Organization Inc

    EIN 852606807 · Headquarters: NEW HAVEN, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  7. 35 High Street House Corporation

    EIN 061448927 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. 36 Tower Lane Inc

    EIN 392506114 · Headquarters: New Haven, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. 360 Management Group Co

    EIN 820934474 · Headquarters: NEW HAVEN, CT, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990

  10. 3C Corporation

    EIN 412046529 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. 4 Beez International Inc

    EIN 843812743 · Headquarters: New Haven, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  12. 4-Ct Corp

    EIN 850535172 · Headquarters: NEW HAVEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. 400 Judys Place

    EIN 844820706 · Headquarters: new haven, CT, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  14. 5C Corporation

    EIN 200763050 · Headquarters: New Haven, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. 70 Audubon Street Association Inc

    EIN 061310816 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. A Better Connecticut Inc

    EIN 462357487 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  17. A Better Way Foundation Abwf Inc

    EIN 061576383 · Headquarters: NEW HAVEN, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. A Broken Umbrella Theatre Inc

    EIN 270865699 · Headquarters: New Haven, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. A Tipping Point

    EIN 411950433 · Headquarters: New Haven, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  20. Abrahams Promise Inc

    EIN 473233657 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Abundant Harvest Outreach Community Engagement

    EIN 851063868 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Academics Stand Against Poverty Inc

    EIN 320324998 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Aces and Academics of New Haven Inc

    EIN 454425769 · Headquarters: New Haven, CT, US · Youth Development · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  24. ACES Area Cooperative Educational Services

    EIN 060881700 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Achievement First

    EIN 205118947 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Achievement First

    EIN 651203744 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Achievement First Apollo Charter School

    EIN 263478865 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2013 · Primary form: IRS Form 990

  28. Achievement First Aspire Charter School

    EIN 452567081 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2013 · Primary form: IRS Form 990

  29. Achievement First Bridgeport Academy Inc C/o Achievement First Inc

    EIN 371543858 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Achievement First Brownsville Charter School

    EIN 262243093 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2013 · Primary form: IRS Form 990

  31. ACHIEVEMENT FIRST CROWN HEIGHTS CHARTER School C/o Achievement First Inc

    EIN 202574649 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990

  32. ACHIEVEMENT FIRST EAST New York CHARTER School C/o Achievement First Inc

    EIN 202574544 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990

  33. Achievement First Endeavor Charter School C/o Achievement First Inc

    EIN 204776460 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990

  34. Achievement First Hartford Academy C/o Achievement First Inc

    EIN 262236909 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Acorn Fund

    EIN 200196995 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Action Together Connecticut Inc

    EIN 822867682 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  37. Adriftproject Residency Inc

    EIN 883723170 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Advancect Foundation Inc

    EIN 844530545 · Headquarters: NEW HAVEN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Aeris Inc

    EIN 990390117 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. African Christian Biography Friends Corporation

    EIN 992804442 · Headquarters: New Haven, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. African Rise a Nj Nonprofit Corporation

    EIN 393400594 · Headquarters: New Haven, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Aia Connecticut Inc a Chapter of the Aia

    EIN 060847099 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. AIDS Interfaith Network Inc

    EIN 061312407 · Headquarters: NEW HAVEN, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  44. AIDS Walk New Haven

    EIN 263030399 · Headquarters: NEW HAVEN, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. Albertus Magnus College

    EIN 060646520 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Alexander Charitable Foundation U/a/d 12/18/2000

    EIN 137263003 · Headquarters: NEW HAVEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  47. Alexion Access Foundation

    EIN 208963321 · Headquarters: NEW HAVEN, CT, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  48. Align with Us Inc

    EIN 841982466 · Headquarters: NEW HAVEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  49. All Access Training and Student-athlete Development

    EIN 844440276 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. All in Foundation Corporation

    EIN 273213017 · Headquarters: New Haven, CT, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  51. All Our Kin Inc

    EIN 061539280 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Alliance Francaise of New Haven Inc

    EIN 237029050 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Alma Radio Inc

    EIN 812618012 · Headquarters: New Haven, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Alpha Home Inc

    EIN 061235155 · Headquarters: NEW HAVEN, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Alphas Care by C and M

    EIN 923590051 · Headquarters: New Haven, CT, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Alumni Fund Association of Yale University

    EIN 066078326 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Amber Alert Childrens Foundation Inc

    EIN 263370516 · Headquarters: New Haven, CT, US · Crime & Legal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  58. American Alumni of Glasgow University

    EIN 262199866 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. American Association of Colleges for Teacher Education

    EIN 510232628 · Headquarters: NEW HAVEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Baroque Orchestra

    EIN 475053802 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. American Federation of State County & Municipal Employees

    EIN 814612698 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. American Friends of Afem Inc

    EIN 471033509 · Headquarters: New Haven, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Guild of Organists

    EIN 061290639 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. American Humanist Association

    EIN 462792674 · Headquarters: New Haven, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  65. American Law and Economics Association Inc

    EIN 223093764 · Headquarters: NEW HAVEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. American Legion

    EIN 831318691 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Lyme Disease Foundation Inc

    EIN 133601933 · Headquarters: NEW HAVEN, CT, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. American Red Magen David for Israel

    EIN 133174804 · Headquarters: New Haven, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  69. American Water Works Association

    EIN 066100180 · Headquarters: NEW HAVEN, CT, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. American Youth Football Inc

    EIN 862846741 · Headquarters: New Haven, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Amistad Academy Inc C/o Achievement First Inc

    EIN 061546695 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Amour Propre Fund Inc C/o Cbiz

    EIN 834581458 · Headquarters: NEW HAVEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. Ancient Egyptian Arabic Order Nobles Mystic Shrine of N & S Amer

    EIN 061071976 · Headquarters: NEW HAVEN, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  74. Ancient Free & Accepted Masons

    EIN 237144286 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Ancient Free & Accepted Masons of Connecticut

    EIN 237144306 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Ancient Free & Accepted Masons of Connecticut

    EIN 237144310 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Ancient Free & Accepted Masons of Connecticut

    EIN 371712079 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Andrew Morehouse Trust Assn Inc

    EIN 352228640 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Anne Bianchi Gundersen Foundation Charles Noble Trustee

    EIN 272035131 · Headquarters: NEW HAVEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  80. Anti-racism in Action Inc

    EIN 853904390 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Apnha Place to Nourish Your Health

    EIN 222506184 · Headquarters: NEW HAVEN, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Apostle Immigrant Services

    EIN 271023812 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. APT Foundation

    EIN 237061218 · Headquarters: New Haven, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Architecture Initiative Inc

    EIN 810786173 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  85. Architecture Lobby

    EIN 465071798 · Headquarters: New Haven, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  86. Architecture Resource Center Inc

    EIN 010831609 · Headquarters: NEW HAVEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Arnold Air Society & Silver Wings

    EIN 352465948 · Headquarters: NEW HAVEN, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Art Council of Greater New Haven Inc

    EIN 066082782 · Headquarters: NEW HAVEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Arte Inc

    EIN 542138181 · Headquarters: NEW HAVEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Artecon Initiative Inc

    EIN 812590339 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Arts in Ct

    EIN 811505166 · Headquarters: NEW HAVEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Associated Irish Societies Inc

    EIN 061419577 · Headquarters: NEW HAVEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Association for Research Into Crimes Against Art Incorporated

    EIN 261116988 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  94. Association of Chinese Students and Scholars at Yale Inc

    EIN 331710878 · Headquarters: New Haven, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Association of Court Security Officers-Connecticut

    EIN 113492739 · Headquarters: NEW HAVEN, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Athlete Alliance Foundation Inc

    EIN 851905156 · Headquarters: New Haven, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Audubon Arts & Retail Association Inc

    EIN 651267569 · Headquarters: New Haven, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  98. Aurelian Honor Society Incorporated

    EIN 066071632 · Headquarters: NEW HAVEN, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Azdaks Garden Inc

    EIN 061357912 · Headquarters: New Haven, CT, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  100. B'nai B'rith Housing of New Haven Inc

    EIN 061476036 · Headquarters: NEW HAVEN, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

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