Nonprofits in Seattle, Washington

Nonprofits in Seattle, Washington. Browse 7,909 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. International Bicycle Fund

    EIN 911286223 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. International Brotherhood of Electrical Workers Local 77 & Subs

    EIN 910267950 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. International Cesarean Awareness Network

    EIN 481298058 · Headquarters: Seattle, WA, US · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  4. International Childrens Outreach Network

    EIN 911929829 · Headquarters: Seattle, WA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  5. International Christian Outreach & Relief Group Aka Incor

    EIN 911401916 · Headquarters: SEATTLE, WA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. International Community Health Services

    EIN 910947084 · Headquarters: SEATTLE, WA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. International Community Health Services Foundation

    EIN 260493856 · Headquarters: SEATTLE, WA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. International Convocation of Unitarian Universalist Women

    EIN 271176938 · Headquarters: Seattle, WA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. International Dental Ministries

    EIN 260195469 · Headquarters: Seattle, WA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. International District Emergency Center

    EIN 911329891 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. International District Improvement Assoc

    EIN 910848302 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. International District Merchants Parking Association

    EIN 910985981 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  13. International Drop in Center

    EIN 910902978 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. International Evangelism Fellowship

    EIN 910981504 · Headquarters: Seattle, WA, US · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  15. International Examiner

    EIN 911131892 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. International Families Justice Coalition

    EIN 384030477 · Headquarters: Seattle, WA, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. International Federation of Professional & Technical Engineers

    EIN 912029562 · Headquarters: Seattle, WA, US · Science & Technology · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  18. International Foster Care Alliance

    EIN 611690232 · Headquarters: SEATTLE, WA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. International Health Partners Inc

    EIN 270158287 · Headquarters: Seattle, WA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. International Human Powered Vehicle Association

    EIN 953655652 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. International Literacy Association

    EIN 352638607 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  22. International Longshore & Warehouse Ibu Marine Div

    EIN 237302174 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. International Longshore and Warehouse Union Local 19

    EIN 910268309 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  24. International Longshoremen's Benevolent Association Inc

    EIN 910520165 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. International Longshoremens & Warehousemens Union Womens Auxilia

    EIN 916035017 · Headquarters: Seattle, WA, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  26. International Marine Association Protecting Aquatic Life

    EIN 943227856 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  27. International Ombuds Association

    EIN 541785444 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. International Order of the Rainbow Girls

    EIN 237141105 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. International Order of the Rainbow Girls

    EIN 237143870 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. International Order of the Rainbow Girls

    EIN 237144042 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. International Order of the Rainbow Girls

    EIN 237507742 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. International Organization for Judicial Training Inc

    EIN 472210846 · Headquarters: SEATTLE, WA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. International Pacific Halibut Commission

    EIN 910727652 · Headquarters: SEATTLE, WA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. International Performing Arts

    EIN 261328185 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. International Phycological Society

    EIN 711045089 · Headquarters: SEATTLE, WA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. International Police Association United States Section

    EIN 911240204 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. International Professional Surrogates Assoc Inc

    EIN 953999200 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. International Reading Association Inc

    EIN 916062063 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  39. International Reading Association Word

    EIN 916062057 · Headquarters: SEATTLE, WA, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  40. International Snow Leopard Trust

    EIN 911144119 · Headquarters: SEATTLE, WA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. International Society for Child Adolescent Injury Prevention

    EIN 205829508 · Headquarters: Seattle, WA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  42. International Society For Improvement & Teaching of DBT

    EIN 874634768 · Headquarters: Seattle, WA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. International Society for the History of Philosophy of Science

    EIN 261101109 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. International Society for Therapeutic Ultrasound Inc

    EIN 271368562 · Headquarters: Seattle, WA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. International Society for Third-Sector Research

    EIN 811457448 · Headquarters: Seattle, WA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. International Society of Immunohistochemistry and Molecular

    EIN 812545901 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  47. International Symbiosis Society Inc

    EIN 223503060 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. International Trade Educational Foundation

    EIN 911028940 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  49. International Training in Communication

    EIN 770592393 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  50. International Union of Elevator Constructors Local No 19

    EIN 910577178 · Headquarters: SEATTLE, WA, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. International Union of Painters and Allied Trades

    EIN 261656233 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  52. International Union United Auto Aerospace & Agricultural Workers

    EIN 201191487 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. International Volcano Monitoring Fund

    EIN 261979807 · Headquarters: Seattle, WA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. International Womens Forum - Washington State

    EIN 831508112 · Headquarters: SEATTLE, WA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Internet Safety Foundation

    EIN 202889376 · Headquarters: Seattle, WA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  56. Internl Assn Jewish Gen Soc Washington State Jewish Gen Soc

    EIN 911557544 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Intiman Theatre

    EIN 237328597 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Intiman Theatre Foundation

    EIN 912053482 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990

  59. Intl Assoc of Aerospace Machinists and Workeres District Lodge 751

    EIN 910267919 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Intl Union of Painters & Allied Trades District Council No 5

    EIN 910334921 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Intramuros Community Development Partnership

    EIN 815389230 · Headquarters: Seattle, WA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Invest in Washington Now Campaign

    EIN 851501210 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Invest in Youth

    EIN 272208137 · Headquarters: SEATTLE, WA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Invested in Neighborhoods

    EIN 933182621 · Headquarters: Seattle, WA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. InvestigateWest

    EIN 270170663 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Ioactive Foundation

    EIN 921425591 · Headquarters: SEATTLE, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  67. Iota Chapter of Alpha Gamma Delta Fraternity House Association C/oshelton

    EIN 822027700 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. IOU

    EIN 881257754 · Headquarters: SEATTLE, WA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. Ipd Breakthrough Fund

    EIN 854217292 · Headquarters: SEATTLE, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Iranian American Community Alliance

    EIN 208599199 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Iranian Womens Institute for Life and Liberty

    EIN 991736235 · Headquarters: Seattle, WA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Irish Heritage Club

    EIN 943091691 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Irish Network Seattle

    EIN 920473923 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Irish Pipers Club

    EIN 911718059 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  75. Iron Workers District Council of the Pacific Northwest

    EIN 910863281 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Isa -the Instrumentation Systems And

    EIN 916061564 · Headquarters: SEATTLE, WA, US · Science & Technology · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  77. Isador Simon Family Foundation

    EIN 916308281 · Headquarters: SEATTLE, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  78. Islamic Center of North Seattle

    EIN 352631063 · Headquarters: SEATTLE, WA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Islamic School of Seattle Inc Co Farhia Hersi

    EIN 911154644 · Headquarters: Seattle, WA, US · Religion Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  80. Island Girls Guild

    EIN 270587585 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  81. Italian American Chamber of Commerce of the Pacific Northwest

    EIN 450705782 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  82. Italian Club Inc

    EIN 916013436 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Italian Community Hall

    EIN 910484999 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Italian Cultural Center - Il Punto

    EIN 472538399 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Itscool

    EIN 900431711 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  86. Iu-mien American Association

    EIN 260881681 · Headquarters: Seattle, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. Iupat Local 116

    EIN 863283037 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  88. Ivar's Friends of Fireworks

    EIN 911815627 · Headquarters: SEATTLE, WA, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  89. Ivy Roads Nw Student Mentoring

    EIN 760799485 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  90. Iwamoto Go Outreach Foundation

    EIN 920302057 · Headquarters: Seattle, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. Ixda Seattle

    EIN 461881338 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  92. J-Z Greenberg Educational Foundation

    EIN 833841771 · Headquarters: Seattle, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. J058 Seattle University Swe Section

    EIN 452582609 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. J2Housing Corporation

    EIN 883609633 · Headquarters: Seattle, WA, US · Housing & Shelter · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  95. Jabooda Cares

    EIN 994589825 · Headquarters: SEATTLE, WA, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Jack Schenker Charitable Trust C/o Susan Schulman Trustee

    EIN 656392479 · Headquarters: SEATTLE, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  97. Jack Straw Foundation

    EIN 910776606 · Headquarters: Seattle, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Jackman Africa Projects Fund

    EIN 204473206 · Headquarters: Seattle, WA, US · International, Foreign Affairs & National Security · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  99. Jackson Family Foundation Dba the Kidstarter Project

    EIN 810724162 · Headquarters: SEATTLE, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  100. Jackson House Seattle

    EIN 825399248 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

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