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. Washington Progress Fund

    EIN 262868934 · Headquarters: Seattle, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Washington Public Facilities 2

    EIN 923487242 · Headquarters: SEATTLE, WA, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Washington Public Interest Research Group

    EIN 911374769 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Washington Public Interest Research Group Foundation

    EIN 911168245 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  5. Washington Pulp & Paper Foundation Inc College of Forest Resources

    EIN 910839203 · Headquarters: Seattle, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Washington Realtist Foundation

    EIN 331275307 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Washington Recreation & Park Association

    EIN 911271983 · Headquarters: SEATTLE, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Washington Regency Society

    EIN 824115982 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Washington Research Council

    EIN 910459840 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Washington Research Foundation

    EIN 464105873 · Headquarters: SEATTLE, WA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  11. Washington Research Institute

    EIN 911403422 · Headquarters: SEATTLE, WA, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  12. Washington Research Licensing Foundation

    EIN 911160492 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  13. Washington Rheumatology Alliance

    EIN 201766864 · Headquarters: SEATTLE, WA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Washington Rhinestone Club Inc

    EIN 270038726 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Washington Roller Hockey Association

    EIN 413354999 · Headquarters: Seattle, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Washington Roundtable

    EIN 911215738 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. Washington Rowing Stewards

    EIN 262234259 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Washington Scholarship Foundation

    EIN 562380251 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Washington School-Based Health Alliance

    EIN 450937382 · Headquarters: Seattle, WA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Washington Shakespeare Festival Celebration

    EIN 874644306 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Washington Ski Touring Club

    EIN 911420367 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Washington Society of Plastic Surgeons

    EIN 911275679 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Washington Society of Professional Engineers

    EIN 263439978 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Washington Solar Energy Industry Association

    EIN 463902968 · Headquarters: SEATTLE, WA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Washington State Academy of Sciences

    EIN 680668369 · Headquarters: Seattle, WA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Washington State Arts Alliance

    EIN 911061731 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  27. Washington State Arts Alliance Foundatio

    EIN 910994462 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Washington State Assoc of Electrical Workers

    EIN 911230467 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Washington State Association for Justice

    EIN 237068627 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Washington State Association for Justice Foundation

    EIN 911940182 · Headquarters: SEATTLE, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Washington State Association of Student Employment Administrators

    EIN 911275852 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  32. Washington State Bar Foundation

    EIN 911098324 · Headquarters: Seattle, WA, USA · Crime & Legal Related · Latest available filing year: 2023 · Primary form: IRS Form 990

  33. Washington State Bicycle Association

    EIN 770622639 · Headquarters: Seattle, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Washington State Biomedical Association

    EIN 261850399 · Headquarters: Seattle, WA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Washington State Boat Builders & Associates Inc

    EIN 916032932 · Headquarters: Seattle, WA, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  36. Washington State Bowling Prop Community Service Program

    EIN 834234783 · Headquarters: SEATTLE, WA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Washington State Business and Professional Womens Foundation

    EIN 943231573 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Washington State Chapter of Asmbs

    EIN 273007380 · Headquarters: Seattle, WA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Washington State Chapter of the American Society of Interior Design

    EIN 237417508 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Washington State Chapter of Vhpa

    EIN 912073065 · Headquarters: Seattle, WA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Washington State Charter Schools Association

    EIN 463224248 · Headquarters: SEATTLE, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Washington State Chile Partners of the Americas

    EIN 911333868 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Washington State China Relations Council

    EIN 911092028 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Washington State China Relations Fund

    EIN 844731417 · Headquarters: Seattle, WA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  45. Washington State Coalition Against Domestic Violence

    EIN 911507028 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Washington State Coalition for Language Access

    EIN 900517290 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Washington State Coalition for the Homeless

    EIN 911693926 · Headquarters: Seattle, WA, USA · Housing & Shelter · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  48. Washington State Convention Center Art Foundation

    EIN 911878667 · Headquarters: Seattle, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Washington State Council of Child and Adolescent Psychiatry Advocacy

    EIN 912122399 · Headquarters: Seattle, WA, US · Mental Health & Crisis Intervention · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  50. Washington State Council of Child and Adolescent Psychiatry Pc

    EIN 454217350 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Washington State Crime Prevention Association

    EIN 911236297 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Washington State Deaf-blind Citizens

    EIN 911351776 · Headquarters: Seattle, WA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Washington State Dental Association

    EIN 910750294 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  54. Washington State Dermatology Association

    EIN 943167911 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Washington State Farmers Market Assoc

    EIN 911320916 · Headquarters: Seattle, WA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Washington State Farmworker Housing Trust

    EIN 200564942 · Headquarters: Seattle, WA, USA · Housing & Shelter · Latest available filing year: 2009 · Primary form: IRS Form 990

  57. Washington State Fire Service Historical Museum Incorporated

    EIN 910814814 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  58. Washington State Green Bank

    EIN 990692128 · Headquarters: SEATTLE, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Washington State Green Hydrogen Alliance

    EIN 871994812 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Washington State Health Information Management Association

    EIN 910846429 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Washington State Hispanic Bar Association Scholarship Foundation

    EIN 912163674 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  62. Washington State Holistic Chamber of Commerce

    EIN 352274811 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  63. Washington State Holocaust Education Resource Center Foundation

    EIN 202858507 · Headquarters: Seattle, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Washington State Hospital Association

    EIN 910584257 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Washington State Hunanese Association

    EIN 812195462 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Washington State Interscholastic Judo Association

    EIN 811180052 · Headquarters: Seattle, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Washington State Labor Council Afl-cio

    EIN 910668471 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Washington State Lake Protection Association

    EIN 943059481 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Washington State Legends of Soccer

    EIN 814213215 · Headquarters: Seattle, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. Washington State Local Government Auditors Association

    EIN 134335245 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  71. Washington State Maritime Cooperative

    EIN 911688608 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Washington State Massage Therapy Association

    EIN 811169975 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Washington State Medical Association

    EIN 910462170 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Washington State Moroccan Association

    EIN 421684492 · Headquarters: SEATTLE, WA, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  75. Washington State Mr Leather Inc

    EIN 911586634 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Washington State Neurological Society

    EIN 201432287 · Headquarters: SEATTLE, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Washington State Nurses Association

    EIN 910462188 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  78. Washington State Nurses Foundation

    EIN 911233256 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  79. Washington State Opportunity Scholarship Foundation

    EIN 933293868 · Headquarters: SEATTLE, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Washington State Oral Health Coalition

    EIN 912015190 · Headquarters: Seattle, WA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Washington State Orthopaedic Foundation

    EIN 464757167 · Headquarters: Seattle, WA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Washington State Orthopedic Association

    EIN 911274377 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Washington State Outdoor Advertisin G Association

    EIN 394749940 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Washington State Paralegal Association

    EIN 510140447 · Headquarters: Seattle, WA, USA · Crime & Legal Related · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  85. Washington State Parks Foundation

    EIN 364473679 · Headquarters: Seattle, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Washington State Patent Law Association

    EIN 204958505 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Washington State Public Health Association

    EIN 916035626 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Washington State Public Interest Research Group

    EIN 911554604 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Washington State Radiological Society

    EIN 910974529 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Washington State Referee Committee

    EIN 274420846 · Headquarters: Seattle, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Washington State Safety Restraint Coalition

    EIN 911310631 · Headquarters: SEATTLE, WA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  92. Washington State Society for Post-acute and Long-term Care Medi

    EIN 842744512 · Headquarters: Seattle, WA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Washington State Society of Anesthesiologists

    EIN 916050189 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Washington State Society of Prosthodontists

    EIN 993423090 · Headquarters: Seattle, WA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Washington State Taishan Association

    EIN 462799668 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990

  96. Washington State Trio Association

    EIN 611600669 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Washington State Womens Political Caucus

    EIN 912143471 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Washington Surveying & Rating Bureau

    EIN 743049163 · Headquarters: Seattle, WA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Washington Tax Fairness Coalition

    EIN 208997112 · Headquarters: Seattle, WA, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  100. Washington Teamsters Welfare Trust

    EIN 916034673 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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