Nonprofits in Hamden, Connecticut

Nonprofits in Hamden, 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. New Haven Chapter of the Links Inc

    EIN 237302916 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  2. New Haven Childrens Ideal Learning District Inc C/o Kia Levey-burden

    EIN 843759877 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. New Haven Country Club

    EIN 060468980 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. New Haven Oratorio Choir Inc

    EIN 061306655 · Headquarters: Hamden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. New Haven Paint & Clay Club Inc Trust

    EIN 066020441 · Headquarters: Hamden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. New Haven Road Runners Inc

    EIN 333266302 · Headquarters: Hamden, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. New Haven Telephone Employees Csf

    EIN 066069033 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. New Hope Manor Inc Receivership

    EIN 237121449 · Headquarters: HAMDEN, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2012 · Primary form: IRS Form 990

  9. Northeastern Educational Research Association

    EIN 223007342 · Headquarters: HAMDEN, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Northern Ghana Association of New England Inc

    EIN 462315140 · Headquarters: HAMDEN, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Obidimma Okobi Memorial Foundation Inc

    EIN 823746778 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Omega Psi Phi Fraternity Inc Epsilon Iota Iota

    EIN 421572836 · Headquarters: Hamden, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  13. Operating Engineers Local 478 Training and Skill Improvement Fund

    EIN 060899313 · Headquarters: HAMDEN, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Opportunity House Inc

    EIN 061051678 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Original Works Inc

    EIN 061537372 · Headquarters: Hamden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  16. Our Kids 4 Kids Vision

    EIN 883613719 · Headquarters: Hamden, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Paier College of Art Student Association Inc

    EIN 222720417 · Headquarters: Hamden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  18. Paradise Country Club Inc

    EIN 060737734 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Parent Booster USA Inc

    EIN 844689330 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  20. Parent Teacher Assoc of Ct

    EIN 883733521 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Parent Teacher Association of Connecticut Inc

    EIN 060994017 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  22. Parent Teacher Association of Connecticut Inc

    EIN 060994032 · Headquarters: HAMDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Parent Teacher Association of Connecticut Inc

    EIN 061312757 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Parent Teacher Association of Connecticut Inc

    EIN 371865428 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Parent Teacher Association of Connecticut Inc

    EIN 571221620 · Headquarters: HAMDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Parent Teacher Association of Connecticut Inc

    EIN 611995943 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Parent Teacher Association of Connecticut Inc

    EIN 911798396 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Partnerships Center for Adult Day

    EIN 061308979 · Headquarters: Hamden, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Peru Outreach Inc

    EIN 412180711 · Headquarters: Hamden, CT, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. Phi Gamma Delta Fraternity

    EIN 472184673 · Headquarters: HAMDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  31. Philips Foundation Inc

    EIN 871361663 · Headquarters: Hamden, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. Pi Kappa Phi Fraternity

    EIN 800759950 · Headquarters: HAMDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Pipers Gathering Inc

    EIN 043463290 · Headquarters: Hamden, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. PK Foundation

    EIN 845143779 · Headquarters: Hamden, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Play with Grace Expressive Arts Programs Inc

    EIN 991651824 · Headquarters: Hamden, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Polish Falcons of America

    EIN 060496839 · Headquarters: Hamden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  37. Pop Warner Little Scholars Inc

    EIN 465121004 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Poverty Consortium Inc

    EIN 473611054 · Headquarters: HAMDEN, CT, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Powerful Experiences for Art & Cultural Exchange Inc

    EIN 333093161 · Headquarters: HAMDEN, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Proactive Health Busters Corporation

    EIN 920989882 · Headquarters: Hamden, CT, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  41. Project Hope Ct Inc

    EIN 352473244 · Headquarters: Hamden, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Promoting an Enduring Peace

    EIN 262759880 · Headquarters: Hamden, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. Proverbs

    EIN 201465463 · Headquarters: Hamden, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Psi Chi the National Honor Society in Psychology

    EIN 582040014 · Headquarters: HAMDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Ptsa Connecticut Congress

    EIN 320318381 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  46. Ptsa Connecticut Congress

    EIN 830369045 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Ptsa Connecticut Inc

    EIN 060994013 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Ptsa Connecticut Inc

    EIN 060994029 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Ptsa Connecticut Inc Ridge Hill School Pta

    EIN 060994028 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Public Interest Law Project Inc

    EIN 061364129 · Headquarters: Hamden, CT, US · Crime & Legal Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  51. Quantumct Inc

    EIN 333073202 · Headquarters: HAMDEN, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Queens School Enugu Alumni Northeast & Surroundings USA-quean

    EIN 823540655 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Quinnipiac University

    EIN 060646701 · Headquarters: HAMDEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Quinnipiac University Online Inc

    EIN 061614887 · Headquarters: HAMDEN, CT, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990

  55. Racing for Home Inc

    EIN 451058929 · Headquarters: Hamden, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Rain of Hope Inc

    EIN 463416946 · Headquarters: HAMDEN, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Reachout Inc

    EIN 061400614 · Headquarters: HAMDEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Redeemers Missionary Baptist Church

    EIN 933490006 · Headquarters: Hamden, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Refrigeration Service Engineers Society

    EIN 066070042 · Headquarters: Hamden, CT, US · Science & Technology · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  60. Restoring the Village

    EIN 990493991 · Headquarters: Hamden, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Reunification Foundation

    EIN 333415409 · Headquarters: Hamden, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Rheumatology & Hand Rehabilitation

    EIN 061437521 · Headquarters: HAMDEN, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  63. Ridge Road Senior Citizens Inc

    EIN 222531028 · Headquarters: Hamden, CT, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  64. Ridgehill Civic Association

    EIN 831609509 · Headquarters: Hamden, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  65. Romanul

    EIN 451256462 · Headquarters: Hamden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Rotary Club of Hamden Foundation Inc

    EIN 061416984 · Headquarters: Hamden, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Rotary International

    EIN 066070286 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Ruff and Scratchy Incorporated

    EIN 455027309 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Rydas 4 Righteousness Mm Inc

    EIN 462143203 · Headquarters: HAMDEN, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. S C S C Womens Association

    EIN 061060952 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Safe Inc

    EIN 222552434 · Headquarters: HAMDEN, CT, US · Animal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  72. Saveazindagi Org Inc

    EIN 873561359 · Headquarters: HAMDEN, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. Senior Board of Retirees Inc

    EIN 061525055 · Headquarters: Hamden, CT, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  74. Servants of God Outreach Ministries Inc

    EIN 300443454 · Headquarters: Hamden, CT, US · Religion Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  75. Service For Service Inc

    EIN 883605611 · Headquarters: Hamden, CT, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  76. She Can Edit

    EIN 333961087 · Headquarters: Hamden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Sigma Gamma Rho Sorority Inc

    EIN 264768667 · Headquarters: HAMDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Sigma Theta Tau International Inc

    EIN 900264197 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Silk N Sounds Inc

    EIN 262337660 · Headquarters: HAMDEN, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Sisterhood & Brotherhood of American Islanders

    EIN 871571608 · Headquarters: Hamden, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Sleeping Giant Day Care Inc

    EIN 061010027 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Sleeping Giant Park Association Inc

    EIN 060946510 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. Society of Plastics Engineers

    EIN 066068798 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  84. Sound Bridges International Company

    EIN 841863695 · Headquarters: Hamden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  85. Southern Connecticut Ancestry Network Inc

    EIN 300398299 · Headquarters: Hamden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  86. Southern Connecticut Diamond Club Inc

    EIN 454488378 · Headquarters: Hamden, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Southwest Conservation District Inc

    EIN 060918194 · Headquarters: Hamden, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Special Olympics Connecticut Inc

    EIN 237099756 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Sport Academy EST 2013 Inc

    EIN 813985054 · Headquarters: Hamden, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Spring Glen Civic Association Inc

    EIN 061207424 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  91. Spring Glen School Pta

    EIN 061245115 · Headquarters: Hamden, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Start the Outreach Promise Inc

    EIN 813997318 · Headquarters: Hamden, CT, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  93. Stepup Ed Inc

    EIN 922820273 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  94. Street2straight Program Inc

    EIN 923027705 · Headquarters: Hamden, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Sullivan Basketball Academy Inc

    EIN 473751814 · Headquarters: Hamden, CT, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  96. Swith Education & Service

    EIN 465748393 · Headquarters: Hamden, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Swords to Plowshares Northeast Incc

    EIN 861573830 · Headquarters: Hamden, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. Tau Kappa Epsilon Fraternity Inc

    EIN 911901486 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  99. Teachable Moments Inc

    EIN 831729198 · Headquarters: Hamden, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. The 180 Center Inc

    EIN 800642741 · Headquarters: HAMDEN, CT, USA · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

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