Nonprofits in Mercer Island, Washington

Nonprofits in Mercer Island, Washington. Browse 302 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. Ite - Washington State Section

    EIN 814555911 · Headquarters: Mercer Island, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Japan America Society of the State of Washington

    EIN 237282194 · Headquarters: MERCER ISLAND, WA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Japanese Garden Society of Seattle Washington

    EIN 911296179 · Headquarters: Mercer Island, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Jefferson Park Lawn Bowling Club Inc

    EIN 916057796 · Headquarters: Mercer Island, WA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. Jingle Cross Rock Inc

    EIN 460878290 · Headquarters: MERCER ISLAND, WA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. John Leonard Adams Foundation

    EIN 900693417 · Headquarters: MERCER ISLAND, WA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. JoinAOK

    EIN 862695722 · Headquarters: Mercer Island, WA, USA · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  8. Joint Heirs Ministry

    EIN 911726394 · Headquarters: MERCER ISLAND, WA, USA · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  9. Jsim Hope Foundation

    EIN 830696720 · Headquarters: MERCER ISLAND, WA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Kamakanaakealoha Foundation

    EIN 454474472 · Headquarters: Mercer Island, WA, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  11. Kappa Alpha Theta Fraternity

    EIN 916054320 · Headquarters: Mercer Island, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Kids Up 365

    EIN 993638025 · Headquarters: Mercer Island, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Kiran Anjali Project

    EIN 271677832 · Headquarters: Mercer Island, WA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Kiwanis Club of Bellevue C/o James Rosenwald

    EIN 916055268 · Headquarters: MERCER ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Kiwanis International Inc

    EIN 916060518 · Headquarters: Mercer Island, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Knights of Columbus 11642

    EIN 911702615 · Headquarters: MERCER ISLAND, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Kyras Hope Foundation

    EIN 412583689 · Headquarters: Mercer Island, WA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. Larry and Sherry Benaroya Family Foundat

    EIN 990953298 · Headquarters: MERCER ISLAND, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  19. Larry Benaroya Family Foundation

    EIN 203890382 · Headquarters: MERCER ISLAND, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. Lee Family Foundation

    EIN 830441900 · Headquarters: MERCER ISLAND, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. Light and Shine Foundation

    EIN 843595777 · Headquarters: Mercer Island, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  22. Linguistics Justice League

    EIN 831988688 · Headquarters: Mercer Island, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  23. Little Mercies

    EIN 850510712 · Headquarters: MERCER ISLAND, WA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Loquin

    EIN 911869424 · Headquarters: Mercer Island, WA, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  25. Love Her Period Foundation

    EIN 880613961 · Headquarters: MERCER ISLAND, WA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Lovsted Family Charitable Foundation

    EIN 943216413 · Headquarters: MERCER ISLAND, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. Lutheran Womens Caucus

    EIN 363143876 · Headquarters: Mercer Island, WA, US · Religion Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  28. Marcia Paulsell Zech Foundation

    EIN 911200096 · Headquarters: MERCER ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  29. Marine Conservation Alliance

    EIN 920175743 · Headquarters: MERCER ISLAND, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Marsha and Jay Glazer Foundation

    EIN 943146475 · Headquarters: MERCER ISLAND, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

  31. Martial Hearts Foundation

    EIN 352532965 · Headquarters: Mercer Island, WA, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  32. Med25 International

    EIN 208044441 · Headquarters: Mercer Island, WA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2016 · Primary form: IRS Form 990

  33. Medical Education Scholarship Aid

    EIN 911471174 · Headquarters: MERCER ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  34. Meilan Foundation

    EIN 851209485 · Headquarters: Mercer Island, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  35. Mercer Island Baseball Booster Club

    EIN 320518471 · Headquarters: MERCER ISLAND, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Mercer Island Baseball Booster Club

    EIN 911587525 · Headquarters: MERCER ISLAND, WA, USA · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  37. Mercer Island Beach Club

    EIN 910606658 · Headquarters: Mercer Island, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Mercer Island Boys Basketball Booster Club

    EIN 912159698 · Headquarters: MERCER ISLAND, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Mercer Island Boys Soccer Booster Club Nfp

    EIN 473551781 · Headquarters: Mercer Island, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Mercer Island Center for the Arts

    EIN 464319988 · Headquarters: Mercer Island, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  41. Mercer Island Chamber of Commerce

    EIN 916058442 · Headquarters: MERCER ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. Mercer Island Chinese Association

    EIN 814964230 · Headquarters: Mercer island, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Mercer Island Community Fund

    EIN 911307400 · Headquarters: MERCER ISLAND, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Mercer Island Country Club

    EIN 910847419 · Headquarters: MERCER ISLAND, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Mercer Island Craft Guild

    EIN 911097669 · Headquarters: Mercer Island, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  46. Mercer Island Education Association

    EIN 911350674 · Headquarters: MERCER ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Mercer Island Equestrian Club

    EIN 721609626 · Headquarters: MERCER ISLAND, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Mercer Island Farmers Market

    EIN 271955433 · Headquarters: MERCER ISLAND, WA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  49. Mercer Island Girls Basketball Booster Club

    EIN 203031214 · Headquarters: Mercer Island, WA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Mercer Island Girls Soccer Booster Club Nfp

    EIN 813723231 · Headquarters: MERCER ISLAND, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Mercer Island High School Cheer Boo Ster Club

    EIN 414107843 · Headquarters: Mercer Island, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Mercer Island High School Class of 1995 Reunion

    EIN 474365861 · Headquarters: Mercer Island, WA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  53. Mercer Island High School Football

    EIN 270388610 · Headquarters: MERCER ISLAND, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Mercer Island Historical Society

    EIN 910977096 · Headquarters: Mercer Island, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Mercer Island Lacrosse Club

    EIN 651203578 · Headquarters: MERCER ISLAND, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Mercer Island Launch Educational Advocacy Project

    EIN 830955304 · Headquarters: MERCER ISLAND, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  57. Mercer Island Masonic Memorial Temple Corporation

    EIN 916053687 · Headquarters: Mercer Island, WA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  58. Mercer Island Mountain Biking Advocates

    EIN 883323340 · Headquarters: Mercer Island, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Mercer Island Orchestra Boosters

    EIN 454921841 · Headquarters: MERCER ISLAND, WA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Mercer Island Play Center Parents

    EIN 911368190 · Headquarters: MERCER ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Mercer Island Police Association

    EIN 900426288 · Headquarters: MERCER ISLAND, WA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Mercer Island Preschool Association

    EIN 911022510 · Headquarters: Mercer Island, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Mercer Island Rowing Club

    EIN 991052037 · Headquarters: Mercer Island, WA, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Mercer Island Saferides

    EIN 263429738 · Headquarters: MERCER ISLAND, WA, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  65. Mercer Island Schools Band Boosters

    EIN 274163270 · Headquarters: MERCER ISLAND, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Mercer Island Schools Choir Boosters

    EIN 883063011 · Headquarters: Mercer Island, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Mercer Island Schools Foundation

    EIN 911143444 · Headquarters: MERCER ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  68. Mercer Island Sister City Association

    EIN 912056512 · Headquarters: MERCER ISLAND, WA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Mercer Island Track Club

    EIN 200013150 · Headquarters: Mercer Island, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Mercer Island Visual Arts League

    EIN 910851045 · Headquarters: Mercer Island, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  71. Mercer Island Water Polo Club

    EIN 911722872 · Headquarters: Mercer Island, WA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Mercer Island Womens Club

    EIN 510174990 · Headquarters: Mercer Island, WA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Mercer Island Womens Lacrosse Club

    EIN 262640010 · Headquarters: Mercer Island, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. Mercer Island Youth & Family Services Foundation

    EIN 943110148 · Headquarters: MERCER ISLAND, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Mercer Island Youth Soccer Club

    EIN 911289005 · Headquarters: Mercer Island, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Mercer Legacy

    EIN 931900107 · Headquarters: Mercer Island, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Mercerwood Shore Club

    EIN 910700597 · Headquarters: Mercer Island, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Mi Robotics Booster Club

    EIN 843702732 · Headquarters: Mercer Island, WA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Miggs Booster Club

    EIN 474983792 · Headquarters: Mercer Island, WA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Mihs Boys Swive Booster Club

    EIN 820890980 · Headquarters: MERCER ISLAND, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Mihs Volleyball Booster Club

    EIN 465537578 · Headquarters: Mercer Island, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Monkey Square

    EIN 453112981 · Headquarters: Mercer Island, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Mudville Youth Baseball Club Co Michael E Gossler

    EIN 800020733 · Headquarters: Mercer Island, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. My Chess World

    EIN 992788158 · Headquarters: MERCER ISLAND, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Mygirlsblood a Nonprofit Corporation

    EIN 263955851 · Headquarters: Mercer Island, WA, US · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  86. National Association of Women in Construction

    EIN 916054681 · Headquarters: Mercer Island, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. National Charity League - Evergreen Chapter

    EIN 911556651 · Headquarters: Mercer Island, WA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. National Charity League - Lake Washington Chapter

    EIN 201270720 · Headquarters: Mercer Island, WA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. National Federation of Music Clubs

    EIN 562540699 · Headquarters: Mercer Island, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. National League of Young Men Inc Mercer Island Chapter

    EIN 465369795 · Headquarters: Mercer Island, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Neighbors in Motion

    EIN 824422872 · Headquarters: Mercer Island, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Newman Family Foundation

    EIN 912003900 · Headquarters: Mercer Island, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. Noel-Shoemaker Family Foundation

    EIN 911935949 · Headquarters: Mercer Island, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  94. North Star Council for Alcohol and Drug Education

    EIN 910655320 · Headquarters: MERCER ISLAND, WA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. Northwest & Intermountain Power Producers Coalition

    EIN 542075912 · Headquarters: MERCER ISLAND, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Northwest Academy for Continuous Education

    EIN 916187362 · Headquarters: mercer island, WA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  97. Northwest Ironworkers Health and Security Trust

    EIN 916068079 · Headquarters: MERCER ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Northwest Parkinsons Foundation

    EIN 911923159 · Headquarters: MERCER ISLAND, WA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Northwest Sherpa Association

    EIN 531174897 · Headquarters: MERCER ISLAND, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Northwest Yeshiva High School

    EIN 911045815 · Headquarters: MERCER ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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