Nonprofits in Greenport, New York

Nonprofits in Greenport, New York. Browse 60 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. Alan Morton Foundation

    EIN 133295743 · Headquarters: GREENPORT, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  2. Art Soul Inc

    EIN 813963430 · Headquarters: Greenport, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Brecknock Hall Foundation Inc

    EIN 200350364 · Headquarters: GREENPORT, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  4. Burton Potter Club Inc

    EIN 116036914 · Headquarters: GREENPORT, NY, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. Burton Potter Post 185

    EIN 111727431 · Headquarters: GREENPORT, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Civil Service Employees Association

    EIN 237074934 · Headquarters: Greenport, NY, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  7. East End Health Alliance

    EIN 113407476 · Headquarters: GREENPORT, NY, USA · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990

  8. East End Maritime Institute Inc

    EIN 260618973 · Headquarters: Greenport, NY, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  9. East End Music Alliance Inc

    EIN 843242253 · Headquarters: GREENPORT, NY, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  10. East End Seaport Museum and Marine Foundation

    EIN 113109151 · Headquarters: GREENPORT, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. East End Student Film Project Inc

    EIN 113508844 · Headquarters: GREENPORT, NY, USA · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  12. Eastern Long Island Hospital Assoc Inc

    EIN 111633563 · Headquarters: GREENPORT, NY, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Eastern Long Island Hospital Foundation

    EIN 203851050 · Headquarters: GREENPORT, NY, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Floyd Memorial Library

    EIN 111672764 · Headquarters: GREENPORT, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Free & Accepted Masons of New York

    EIN 237287577 · Headquarters: Greenport, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Friends of Mitchell Park Inc

    EIN 273411977 · Headquarters: GREENPORT, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Glory Going Green Inc

    EIN 454313074 · Headquarters: Greenport, NY, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Greenport Auditorium Inc

    EIN 813062919 · Headquarters: Greenport, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  19. Greenport Civic Association

    EIN 993488540 · Headquarters: Greenport, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Greenport Gallery Walk Group Inc

    EIN 264796855 · Headquarters: GREENPORT, NY, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  21. Greenport Teachers Association

    EIN 113175410 · Headquarters: Greenport, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Gwendolyn Halsey-albertson Foundation

    EIN 137294838 · Headquarters: GREENPORT, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  23. Hold Fast Fund Inc

    EIN 991566511 · Headquarters: Greenport, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Initiative for Clt of Southold Town Inc

    EIN 273964851 · Headquarters: GREENPORT, NY, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  25. Junior Order United American Mechanics

    EIN 237518848 · Headquarters: Greenport, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  26. Junior Order United American Mechanics

    EIN 237518985 · Headquarters: Greenport, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  27. La Leche League International Inc

    EIN 113540177 · Headquarters: Greenport, NY, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  28. Live Dance Live Inc

    EIN 452367038 · Headquarters: GREENPORT, NY, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  29. Long Island Baroque Ensemble Inc

    EIN 112434429 · Headquarters: Greenport, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Metis Foundation

    EIN 475097318 · Headquarters: Greenport, NY, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. More Good Today Inc

    EIN 921233826 · Headquarters: Greenport, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. National Society of the Daughters of the American Revolution

    EIN 237442627 · Headquarters: Greenport, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. North Fork Arts Center Inc

    EIN 922233043 · Headquarters: GREENPORT, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. North Fork Audubon Society

    EIN 237250043 · Headquarters: Greenport, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. North Fork Housing Alliance Inc

    EIN 112627786 · Headquarters: GREENPORT, NY, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. North Fork Parish Outreach

    EIN 113280249 · Headquarters: Greenport, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. North Fork Women for Women Fund Inc

    EIN 113116020 · Headquarters: GREENPORT, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. Northeast Stage

    EIN 061248379 · Headquarters: Greenport, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Odysseus World Federation of Cephalonian & Ithacian Societies

    EIN 475165703 · Headquarters: Greenport, NY, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. One Puppy at a Time

    EIN 462799385 · Headquarters: GREENPORT, NY, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Paul Drum Life Experience Project Inc

    EIN 825282394 · Headquarters: GREENPORT, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Peconic Landing

    EIN 113277669 · Headquarters: Greenport, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Peconic Landing Home Health Services Inc

    EIN 454566737 · Headquarters: GREENPORT, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Plum Island Employees Association Inc

    EIN 113215896 · Headquarters: Greenport, NY, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  45. Project Genesis

    EIN 811512289 · Headquarters: GREENPORT, NY, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Pta New York Congress

    EIN 113171899 · Headquarters: greenport, NY, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  47. Railroad Museum of Long Island

    EIN 113096452 · Headquarters: GREENPORT, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Robert L Perry Jr Development Corp

    EIN 113095970 · Headquarters: GREENPORT, NY, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  49. Rotary Club of Greenport Charitable Fund Inc

    EIN 821422918 · Headquarters: GREENPORT, NY, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. San Simeon by the Sound

    EIN 112503764 · Headquarters: GREENPORT, NY, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. San Simeon by the Sound Center for Nursing and Rehabilitation

    EIN 201222517 · Headquarters: GREENPORT, NY, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Stirling Historical Society

    EIN 237358420 · Headquarters: GREENPORT, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. The Shores at Peconic Landing Assisted Living Residence Inc

    EIN 454977274 · Headquarters: GREENPORT, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. The Sterling Cemetery

    EIN 112493701 · Headquarters: GREENPORT, NY, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Triangle Yacht Club Inc

    EIN 237219920 · Headquarters: GREENPORT, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Upsculpt Inc

    EIN 811658555 · Headquarters: GREENPORT, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Village of Greenport Bid

    EIN 113275244 · Headquarters: GREENPORT, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. William G Thompson Charitable Fund

    EIN 050578783 · Headquarters: GREENPORT, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  59. Wish Factory Inc

    EIN 203808573 · Headquarters: Greenport, NY, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  60. Yuntos

    EIN 832064788 · Headquarters: Greenport, NY, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ