Nonprofits in Riverside, Connecticut

Nonprofits in Riverside, 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. Armstrong Angel Foundation

    EIN 810778752 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. Behbud Association USA Inc

    EIN 260697337 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  3. Berger Family Foundation Inc

    EIN 274238729 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  4. Bytebloom Robotics Inc

    EIN 394920693 · Headquarters: Riverside, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Catherines Hope Inc

    EIN 061570401 · Headquarters: Riverside, CT, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  6. Children Helping Children Association

    EIN 994806536 · Headquarters: Riverside, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Children's Day School Inc

    EIN 222618520 · Headquarters: RIVERSIDE, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Chinese Language School of Connecticut Inc

    EIN 753057079 · Headquarters: RIVERSIDE, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Clover Hill School Inc

    EIN 870731871 · Headquarters: RIVERSIDE, CT, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  10. Columbia University Club Foundation Inc

    EIN 136105775 · Headquarters: RIVERSIDE, CT, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  11. Connecticut Society of Portrait Artists

    EIN 030419432 · Headquarters: RIVERSIDE, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Cookie for a Cause Inc

    EIN 334518895 · Headquarters: RIVERSIDE, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Crow Hill Foundation

    EIN 061475924 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. Digital Dreamers Foundation Inc

    EIN 393306239 · Headquarters: Riverside, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Dogwood Park Association Inc

    EIN 061184802 · Headquarters: Riverside, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Eastern Middle School PTA

    EIN 060994135 · Headquarters: Riverside, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Eleni Vavas Memorial Fund Inc

    EIN 471626276 · Headquarters: Riverside, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Fairchester Green Building Council Inc

    EIN 263552311 · Headquarters: Riverside, CT, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  19. Fairfield County Swimming League

    EIN 061032039 · Headquarters: Riverside, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. Fairfield County Womens Tennis League

    EIN 352504812 · Headquarters: Riverside, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Federated Garden Clubs of Connecticut Inc

    EIN 066046792 · Headquarters: Riverside, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Figgie Family Charitable Foundation

    EIN 843641556 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  23. Food for Fairfield Inc

    EIN 873827624 · Headquarters: Riverside, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Friends Lake Property Owners Association Inc

    EIN 141671010 · Headquarters: RIVERSIDE, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Fulton Michalik Foundation Inc

    EIN 474768467 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  26. GHS Cardinal Hockey Inc

    EIN 455369204 · Headquarters: Riverside, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. Ghs Diamond Club Inc

    EIN 862040218 · Headquarters: Riverside, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Ghs Orchestra Association

    EIN 461261500 · Headquarters: Riverside, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Greater New York Association of Occupational Health Nurses Inc

    EIN 136138512 · Headquarters: Riverside, CT, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  30. Greenwich Emergency Medical Service Inc

    EIN 222721171 · Headquarters: RIVERSIDE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Greenwich Forum on Nuclear Arms Control Inc

    EIN 061071404 · Headquarters: Riverside, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  32. Greenwich Newcomers & Neighbors Inc

    EIN 061390430 · Headquarters: Riverside, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Greenwich Public Health Nurses Association Greenwich Connecticut

    EIN 061084165 · Headquarters: Riverside, CT, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  34. Harvard Club of Fairfield County Inc

    EIN 510200338 · Headquarters: Riverside, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Humanitarian Organization for Physical Education Inc

    EIN 814169941 · Headquarters: Riverside, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. I3 Foundation Inc

    EIN 922062095 · Headquarters: Riverside, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. India Cultural Center of Greenwich Inc

    EIN 461158798 · Headquarters: RIVERSIDE, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Indian Child Development Project Inc

    EIN 472612525 · Headquarters: riverside, CT, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  39. International School at Dundee PTA

    EIN 421682765 · Headquarters: Riverside, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Jenga USA Inc

    EIN 832480569 · Headquarters: Riverside, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Kdk Charitable Trust

    EIN 066455317 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  42. Mollie Parnis Livingston Foundation Inc

    EIN 136265280 · Headquarters: RIVERSIDE, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  43. Musica Plenti Inc

    EIN 061499523 · Headquarters: Riverside, CT, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  44. My Stem Help Inc

    EIN 852453161 · Headquarters: Riverside, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. National Charity League Inc Greenwich Chapter

    EIN 845059320 · Headquarters: Riverside, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  46. National Hunter & Jumper Association

    EIN 542136819 · Headquarters: riverside, CT, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  47. Ocean Blue Sailing Foundation

    EIN 921582719 · Headquarters: Riverside, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Ogc Charitable Foundation

    EIN 472447114 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  49. Ok to Delay Incorporated

    EIN 993523762 · Headquarters: Riverside, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Old Greenwich Riverside Cheerleading Inc

    EIN 852986100 · Headquarters: Riverside, CT, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  51. Open Hearts Open Doors Inc

    EIN 141997022 · Headquarters: Riverside, CT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  52. Opin Inc

    EIN 300386610 · Headquarters: RIVERSIDE, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Parent Booster USA Inc

    EIN 881143120 · Headquarters: Riverside, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. People Empowerment Inc

    EIN 460661732 · Headquarters: Riverside, CT, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. PTA CT Congress North Mianus PTA - CT

    EIN 060994143 · Headquarters: Riverside, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. PTO of the Japanese School of NY Inc

    EIN 203823418 · Headquarters: Riverside, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Raymond Han and Paul Kellogg Foundation Inc

    EIN 843241653 · Headquarters: RIVERSIDE, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. Re-entry Ministry Inc

    EIN 222562933 · Headquarters: Riverside, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. Religion Media Company

    EIN 844296131 · Headquarters: RIVERSIDE, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Riverside Association of Greenwich Inc

    EIN 800651498 · Headquarters: RIVERSIDE, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  61. Riverside Gators Football Inc

    EIN 474164473 · Headquarters: RIVERSIDE, CT, USA · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  62. Riverside School PTA

    EIN 061097792 · Headquarters: Riverside, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Riverside Yacht Club Incorporated

    EIN 060511710 · Headquarters: RIVERSIDE, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  64. Save the Choc Corporation

    EIN 993172676 · Headquarters: RIVERSIDE, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Send Children to School Foundation Inc

    EIN 510617636 · Headquarters: Riverside, CT, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  66. Shidogakuin Ltd

    EIN 133696712 · Headquarters: RIVERSIDE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Slater's Lane Foundation Inc

    EIN 331584309 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. The Burnett Family Foundation

    EIN 134148652 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  69. The Coleman Family Foundation

    EIN 814671841 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  70. The Complex Sag Harbor Inc

    EIN 852656502 · Headquarters: RIVERSIDE, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  71. The Curtis Foundation (Fka Annex Youth Center of Greenwich)

    EIN 273682373 · Headquarters: RIVERSIDE, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  72. The Hayward Foundation Inc C/o Henry Bryant

    EIN 061469075 · Headquarters: Riverside, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  73. The Helping Hand Foundation

    EIN 137409533 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  74. The Henry & Birdie Cohen Fund

    EIN 061620449 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  75. The Hill House Inc

    EIN 060989007 · Headquarters: RIVERSIDE, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. The Ibex Peak Foundation Inc

    EIN 820671497 · Headquarters: RIVERSIDE, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  77. The Korobkin Foundation Inc Co Nancy Korobkin

    EIN 133985413 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. The Nelaura O & Richard T Lewis Foundation

    EIN 222794432 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  79. The Pitch Foundation

    EIN 821541555 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  80. The Transportation Association of Greenwich

    EIN 222531166 · Headquarters: RIVERSIDE, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  81. The William J and Frances E Deutsch Charitable Foundation

    EIN 201163727 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  82. The Winderful Foundation Inc

    EIN 931657250 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. U S Eddies Sports Culture Exchange Center Inc

    EIN 471189991 · Headquarters: RIVERSIDE, CT, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  84. Vyn Foundation Inc

    EIN 824068352 · Headquarters: RIVERSIDE, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  85. Wernicke Family Foundation Trust

    EIN 066552801 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  86. Westchester Speech Hearing and Language Association

    EIN 132992569 · Headquarters: Riverside, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Wild Works Connects

    EIN 920906739 · Headquarters: Riverside, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Wings Inc

    EIN 612020819 · Headquarters: RIVERSIDE, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N