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. Sea-mar Farmworker and Community Housing Development

    EIN 460494906 · Headquarters: SEATTLE, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Seabeach Volleyball

    EIN 332872879 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Seadrunar Properties

    EIN 911051529 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Seafair Charitable Foundation

    EIN 830783366 · Headquarters: SEATTLE, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Seafair Foundation

    EIN 261233489 · Headquarters: SEATTLE, WA, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990

  6. Seafair Inc

    EIN 910557448 · Headquarters: SEATTLE, WA, USA · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990

  7. Seafood Products Association

    EIN 208459653 · Headquarters: SEATTLE, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Seapax

    EIN 262779603 · Headquarters: Seattle, WA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Seatown Fc Foundation

    EIN 932361736 · Headquarters: SEATTLE, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Seattle 2030 District

    EIN 453586123 · Headquarters: SEATTLE, WA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Seattle 4-H Leader Association

    EIN 911487316 · Headquarters: Seattle, WA, US · Youth Development · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  12. Seattle Adaptive Sports

    EIN 911427334 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Seattle Aikikai

    EIN 911803983 · Headquarters: SEATTLE, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Seattle Alternative Investment Association

    EIN 550827358 · Headquarters: Seattle, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Seattle Alumnae Panhellenic

    EIN 301043966 · Headquarters: Seattle, WA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Seattle Alumni Association of Phi Kappa Psi

    EIN 911153288 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Seattle Amistad School

    EIN 452830425 · Headquarters: Seattle, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Seattle Animal Shelter Foundation

    EIN 272834182 · Headquarters: SEATTLE, WA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Seattle Architectural Foundation

    EIN 911205105 · Headquarters: Seattle, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Seattle Area Cup Tennis

    EIN 270913152 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Seattle Area Jmp Users Group

    EIN 272437177 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  22. Seattle Area Legal Recruiting Administrators

    EIN 911545842 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Seattle Area Rowing Association

    EIN 611489344 · Headquarters: SEATTLE, WA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Seattle Art Museum

    EIN 910640788 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Seattle Art Museum Foundation

    EIN 911564155 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990

  26. Seattle Art Song Society

    EIN 475021036 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Seattle Artists

    EIN 943096733 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Seattle Arts and Lectures

    EIN 911384964 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Seattle Arts and Music Group

    EIN 465537705 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Seattle Asian Musicians Association

    EIN 922397327 · Headquarters: SEATTLE, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Seattle Asian Sports Club

    EIN 911597546 · Headquarters: Seattle, WA, US · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. Seattle Association for Jews with Disabilites Supporting Foundation

    EIN 911645137 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Seattle Association for Jews with Disabilities

    EIN 911379457 · Headquarters: SEATTLE, WA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2012 · Primary form: IRS Form 990

  34. Seattle Association of Black Journalists

    EIN 263324925 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. Seattle Association of Club Women

    EIN 911054909 · Headquarters: Seattle, WA, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  36. Seattle Astronomical Society Inc

    EIN 916058371 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Seattle Atheists

    EIN 200373268 · Headquarters: Seattle, WA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Seattle Athenaeum

    EIN 472486862 · Headquarters: SEATTLE, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Seattle Attic Community Workshop

    EIN 462899583 · Headquarters: SEATTLE, WA, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  40. Seattle Babywearers

    EIN 831643089 · Headquarters: Seattle, WA, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  41. Seattle Bach Choir

    EIN 911980690 · Headquarters: Seattle, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Seattle Bach Festival

    EIN 993522623 · Headquarters: Seattle, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Seattle Balkan Dancers

    EIN 272116025 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Seattle Baseball Academy

    EIN 352735814 · Headquarters: Seattle, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Seattle Basket Brigade

    EIN 473744421 · Headquarters: Seattle, WA, US · Food, Agriculture & Nutrition · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  46. Seattle Basketball Club

    EIN 825096964 · Headquarters: Seattle, WA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. Seattle Benevolent & Protective Order of Elks

    EIN 910142830 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Seattle Bmx Club

    EIN 472430162 · Headquarters: Seattle, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Seattle Bocce Club Inc

    EIN 912145098 · Headquarters: Seattle, WA, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  50. Seattle Browncoats Charities

    EIN 272111635 · Headquarters: Seattle, WA, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  51. Seattle Business Assistance Center

    EIN 911763978 · Headquarters: SEATTLE, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990

  52. Seattle Cancer Care Alliance House

    EIN 260443505 · Headquarters: SEATTLE, WA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2009 · Primary form: IRS Form 990

  53. Seattle Cares

    EIN 862097282 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  54. Seattle Cares Circle of the National Cares Mentoring Movement

    EIN 271383723 · Headquarters: Seattle, WA, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Seattle Celtic Foundation

    EIN 833924260 · Headquarters: SEATTLE, WA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Seattle Center for Book Arts

    EIN 202406487 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  57. Seattle Center for Musical Arts

    EIN 812297290 · Headquarters: Seattle, WA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Seattle Center Foundation

    EIN 911003385 · Headquarters: Seattle, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Seattle Central College Foundation

    EIN 911037870 · Headquarters: SEATTLE, WA, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990

  60. Seattle Chamber Music Festival

    EIN 911169836 · Headquarters: Seattle, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  61. Seattle Chamber Music Society Foundation

    EIN 452718970 · Headquarters: Seattle, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  62. Seattle Chamber Players

    EIN 911652144 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Seattle Chapter Architectural Secretaries Association

    EIN 237065617 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Seattle Chapter the Retired Officers Association

    EIN 510188680 · Headquarters: Seattle, WA, US · Crime & Legal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  65. Seattle Cheese Festival

    EIN 203791811 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  66. Seattle Cherry Blossom and Japanese Cultural Festival Committee

    EIN 911182937 · Headquarters: SEATTLE, WA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  67. Seattle Childens Hospital

    EIN 991053112 · Headquarters: Seattle, WA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Seattle Children's

    EIN 811472082 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Seattle Children's

    EIN 910564748 · Headquarters: Seattle, WA, United States · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  70. Seattle Children's

    EIN 911156519 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Seattle Children's

    EIN 911250116 · Headquarters: Seattle, WA, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  72. Seattle Children's Chorus

    EIN 911496853 · Headquarters: Seattle, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Seattle Children's Guild Association

    EIN 911394056 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Seattle Children's Home

    EIN 910565572 · Headquarters: SEATTLE, WA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2012 · Primary form: IRS Form 990

  75. Seattle Children's Hospital

    EIN 462657292 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  76. Seattle Children's Hospital

    EIN 463756504 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  77. Seattle Children's Hospital

    EIN 832761932 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  78. Seattle Children's Hospital

    EIN 900231200 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  79. Seattle Children's Hospital

    EIN 911345918 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  80. Seattle Children's Hospital (Dba Aaron Matthew Sids Research Guild)

    EIN 822772540 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  81. Seattle Children's Hospital (Dba Adaline Coffman Guild)

    EIN 911345684 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  82. Seattle Children's Hospital (Dba Colton's Army Guild)

    EIN 811942155 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  83. Seattle Children's Hospital (Dba Daughter's Guild)

    EIN 208768920 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  84. Seattle Children's Hospital (Dba Desert Sun Guild)

    EIN 943102282 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  85. Seattle Children's Hospital (Dba Eastside Friends for Children's Guild)

    EIN 912151948 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  86. Seattle Children's Hospital (Dba Friends for Life Guild)

    EIN 205393321 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  87. Seattle Children's Hospital (Dba Friends Helping Friends Guild)

    EIN 830429373 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  88. Seattle Children's Hospital (Dba Friends of Costco Guild)

    EIN 943102280 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Seattle Children's Hospital (Dba I Can and I Will Guild)

    EIN 843877328 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  90. Seattle Children's Hospital (Dba Jean Thompson Guild)

    EIN 911345947 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  91. Seattle Children's Hospital (Dba Kc Howard Guild)

    EIN 943227921 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  92. Seattle Children's Hospital (Dba Kent Guild)

    EIN 911345617 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  93. Seattle Children's Hospital (Dba Kick Childhood Cancer Guild)

    EIN 832169124 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  94. Seattle Children's Hospital (Dba Luma Guild)

    EIN 753129867 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  95. Seattle Children's Hospital (Dba Marion Finley Guild)

    EIN 943207076 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  96. Seattle Children's Hospital (Dba Mercer Island Guild)

    EIN 911345579 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  97. Seattle Children's Hospital (Dba Miracle House Guild)

    EIN 912102818 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  98. Seattle Children's Hospital (Dba Mitochondrial Research Guild)

    EIN 270053014 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  99. Seattle Children's Hospital (Dba Pediatric Brain Tumor Research Guild)

    EIN 753202608 · Headquarters: SEATTLE, WA, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  100. Seattle Children's Hospital (Dba Project Grace Guild)

    EIN 261600917 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

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