Nonprofits in Riverhead, New York

Nonprofits in Riverhead, New York. Browse 177 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. Peconic Green Growth Inc

    EIN 611573435 · Headquarters: RIVERHEAD, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Peconic United Methodist Housing Development Fund Company Inc

    EIN 112498525 · Headquarters: RIVERHEAD, NY, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Personhood Education New York Inc

    EIN 464683058 · Headquarters: Riverhead, NY, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Personhood New York Inc

    EIN 473604872 · Headquarters: Riverhead, NY, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Porch Missional Community Inc

    EIN 331434088 · Headquarters: RIVERHEAD, NY, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Prosocial Design Network Inc

    EIN 863130955 · Headquarters: Riverhead, NY, US · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Race for the Kids Foundation Inc

    EIN 264031614 · Headquarters: Riverhead, NY, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Rambows Legacy Inc

    EIN 271141729 · Headquarters: Riverhead, NY, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  9. Ravenswood Charitable Foundation C/o Cbiz Adviors Llc

    EIN 137079320 · Headquarters: RIVERHEAD, NY, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  10. Rimantas Kaukenas Charitable Foundation Inc

    EIN 883478312 · Headquarters: RIVERHEAD, NY, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. River Head Garden Club

    EIN 050595765 · Headquarters: Riverhead, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Riverhead After School Child Active Learning Rascal Inc

    EIN 112791179 · Headquarters: RIVERHEAD, NY, USA · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  13. Riverhead Athletic Club

    EIN 333243433 · Headquarters: RIVERHEAD, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Riverhead Bid Management Association Inc

    EIN 113248819 · Headquarters: RIVERHEAD, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Riverhead Bpoe Elks 2044

    EIN 237137942 · Headquarters: RIVERHEAD, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Riverhead Business Alliance Inc

    EIN 262661681 · Headquarters: RIVERHEAD, NY, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  17. Riverhead Cemetery Association Inc

    EIN 111620500 · Headquarters: RIVERHEAD, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Riverhead Central Faculty Assoc

    EIN 237364917 · Headquarters: RIVERHEAD, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  19. Riverhead Central Faculty Association Benefit Trust Fund

    EIN 113614230 · Headquarters: Riverhead, NY, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Riverhead Chamber of Commerce

    EIN 111992652 · Headquarters: RIVERHEAD, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Riverhead Chapter No 1118 Women of the Moose

    EIN 237128485 · Headquarters: Riverhead, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Riverhead Columbus Club Inc

    EIN 112664825 · Headquarters: RIVERHEAD, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Riverhead Community Awareness Program In

    EIN 112821732 · Headquarters: Riverhead, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Riverhead Faculty and Community Theatre Inc

    EIN 112795625 · Headquarters: Riverhead, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Riverhead Fdtn for Marine Research & Preservation

    EIN 113343543 · Headquarters: RIVERHEAD, NY, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Riverhead Free Library

    EIN 111897225 · Headquarters: Riverhead, NY, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Riverhead Lacrosse Club Inc

    EIN 262319817 · Headquarters: Riverhead, NY, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  28. Riverhead Little League

    EIN 510625602 · Headquarters: RIVERHEAD, NY, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Riverhead Lodge # 645 F & Am

    EIN 116015056 · Headquarters: Riverhead, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Riverhead Lodge No 1742 Loyal Order of Moose

    EIN 111948870 · Headquarters: RIVERHEAD, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Riverhead Mtas Inc

    EIN 453599679 · Headquarters: RIVERHEAD, NY, USA · Animal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  32. Riverhead Police Benevolent Association Inc

    EIN 113012990 · Headquarters: RIVERHEAD, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Riverhead Rotary Charities Inc

    EIN 270487825 · Headquarters: RIVERHEAD, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Riverhead Townscape Inc

    EIN 112408592 · Headquarters: RIVERHEAD, NY, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  35. Riverhead Volunteer Ambulance Corps Inc

    EIN 113396823 · Headquarters: RIVERHEAD, NY, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Riverhead Volunteer Firefighters Association Inc

    EIN 452897446 · Headquarters: RIVERHEAD, NY, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Robert David Lion Gardiner Foundation Inc

    EIN 133354308 · Headquarters: RIVERHEAD, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. Rotary Club of Riverhead New York USA Inc

    EIN 111875472 · Headquarters: RIVERHEAD, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  39. Rotary District 7255 Foundation Inc

    EIN 452596058 · Headquarters: RIVERHEAD, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Rotary International

    EIN 116025688 · Headquarters: Riverhead, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Rotary International District 7255 Inc

    EIN 462865097 · Headquarters: RIVERHEAD, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Savant Garde Institute Ltd

    EIN 112532145 · Headquarters: Riverhead, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Sound Justice Initiative Inc

    EIN 843124650 · Headquarters: RIVERHEAD, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Sound Meadows Property Owners Association Inc

    EIN 200558997 · Headquarters: Riverhead, NY, US · Housing & Shelter · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  45. Spay Alter Vaccinate Every Stray Inc

    EIN 113291232 · Headquarters: Riverhead, NY, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Spirits Promise Equine Rescue Corp

    EIN 453660621 · Headquarters: Riverhead, NY, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. St Maksymilian M Kolbe Polish School Inc

    EIN 832023478 · Headquarters: Riverhead, NY, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Stop the Violence Long Island Inc

    EIN 850552243 · Headquarters: RIVERHEAD, NY, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Student Government Assist Inc

    EIN 204631832 · Headquarters: Riverhead, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Suffolk County Correction Officers Benevolent

    EIN 510160035 · Headquarters: Riverhead, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. Suffolk County Historical Society

    EIN 111700962 · Headquarters: RIVERHEAD, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Suffolk Performing Arts Alliance Inc

    EIN 472132985 · Headquarters: RIVERHEAD, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. The African-american Educational and Cultural Festival Inc

    EIN 510425440 · Headquarters: RIVERHEAD, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. The Bridge Improving Access to Health Care Inc

    EIN 371569135 · Headquarters: RIVERHEAD, NY, US · Health Care · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  55. The Butterfly Effect Project Inc

    EIN 471993500 · Headquarters: RIVERHEAD, NY, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. The Corey Foundation

    EIN 113453820 · Headquarters: RIVERHEAD, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  57. The Double C Family Foundation C/o Cbiz Advisors Llc

    EIN 471598898 · Headquarters: RIVERHEAD, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  58. The Friends of the Big Duck Inc

    EIN 770706413 · Headquarters: RIVERHEAD, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. The Lions Club of Reverhead Inc

    EIN 116042351 · Headquarters: Riverhead, NY, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. The Place For Learning Inc

    EIN 113298776 · Headquarters: Riverhead, NY, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  61. The Roma Karp Foundation

    EIN 822442110 · Headquarters: RIVERHEAD, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  62. Through an Angels Eyes Foundation Inc

    EIN 270545999 · Headquarters: RIVERHEAD, NY, USA · Religion Related · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  63. Timothy Hill Ranch

    EIN 112394864 · Headquarters: RIVERHEAD, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Timothy Hill Ranch

    EIN 262993574 · Headquarters: Riverhead, NY, United States · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990

  65. Timothy Hill Ranch

    EIN 651210976 · Headquarters: Riverhead, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Toastmasters International

    EIN 203139612 · Headquarters: Riverhead, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Toastmasters International

    EIN 992531871 · Headquarters: Riverhead, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Twin Forks Professional Women's Circle Inc

    EIN 843301040 · Headquarters: RIVERHEAD, NY, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  69. United Pet and Scholarship Fund

    EIN 932326304 · Headquarters: RIVERHEAD, NY, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Veterans of Foreign Wars Rensselae

    EIN 111895787 · Headquarters: RIVERHEAD, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Vision Ministries Open Arms Inc

    EIN 205953804 · Headquarters: RIVERHEAD, NY, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  72. Voices for Veterans Corp

    EIN 473443967 · Headquarters: RIVERHEAD, NY, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Warrior Ranch Foundation Inc

    EIN 813158108 · Headquarters: Riverhead, NY, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Waves Baseball Club Inc

    EIN 923690820 · Headquarters: RIVERHEAD, NY, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Whr Charities Inc

    EIN 262578234 · Headquarters: RIVERHEAD, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  76. Wildwood Warriors Triathlon Club

    EIN 474943072 · Headquarters: Riverhead, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. William and Mary Stark Family Foundation Inc

    EIN 332281233 · Headquarters: RIVERHEAD, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

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