Unknown & Unclassified nonprofits in Washington

Unknown & Unclassified nonprofits in Washington. Browse 12,928 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. Cascade Radio Club Incorporated

    EIN 916057815 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Cascade Shelter Project

    EIN 916186777 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Cascade Travelers

    EIN 800824803 · Headquarters: Arlington, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  4. Cascade Twilers Square Dance Club

    EIN 300548656 · Headquarters: Wenatchee, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Cascade Unimak Rockfish Cooperative

    EIN 275143376 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  6. Cascade Uniserv Council

    EIN 911501876 · Headquarters: BOTHELL, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Cascade Victory Riders

    EIN 462612258 · Headquarters: Everett, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  8. Cascade Vista Athletic Club

    EIN 237223916 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Cascade Womens Golf Club

    EIN 271595803 · Headquarters: Bellevue, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  10. Cascade Woodland Landowners

    EIN 911384443 · Headquarters: Toledo, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Cascade Youth Symphony

    EIN 910987047 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  12. Cascades Camp and Conference Center

    EIN 471211463 · Headquarters: YELM, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Cascadia Adult Soccer

    EIN 471091042 · Headquarters: Brier, WA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  14. Cascadia Community College Federation of Teachers

    EIN 200852678 · Headquarters: Bothell, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Cascadia Education Project Inc

    EIN 510187500 · Headquarters: carson, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Cascadia Methow Music Association

    EIN 911517785 · Headquarters: TWISP, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Cascadia Park Water Company

    EIN 911260731 · Headquarters: Yakima, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Cascadia Research Collective

    EIN 911113375 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Case Management Society of America Inc

    EIN 911836972 · Headquarters: SPOKANE, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  20. Case Mgmt Society of America

    EIN 942692761 · Headquarters: Lynden, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Caseco Lane Homeowners

    EIN 814036054 · Headquarters: Port Orchard, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  22. Cashmere Chamber of Commerce

    EIN 916055734 · Headquarters: CASHMERE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Cashmere Junior Sportsmen

    EIN 800948600 · Headquarters: Cashmere, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Cashmere Sportsmens Assn Inc

    EIN 916058135 · Headquarters: Cashmere, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Castle Rock Alumni Wrestling Foundation

    EIN 943192761 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Castle Rock Chamber of Commerce

    EIN 911223285 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. Castle Rock Fair

    EIN 916054565 · Headquarters: CASTLE ROCK, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Castle Rock Pre-school Parent-teacher Organization

    EIN 237448479 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Castle Rock Senior Citizens Inc

    EIN 911145648 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Castle Rock Toutle Lake Little League

    EIN 911154671 · Headquarters: CASTLE ROCK, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Castlerock Temple Corporation

    EIN 464692332 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Casy Club 5816

    EIN 237094202 · Headquarters: LYNNWOOD, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Cat Tales Rescue

    EIN 471250191 · Headquarters: Mill Creek, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Cat Wranglers and Goat Getters 4-H Club

    EIN 934227480 · Headquarters: Asotin, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Cathay Post Foundation of Seattle

    EIN 911286868 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Cathcart Parent Organization

    EIN 911401672 · Headquarters: Snohomish, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Catherine E Bernhard Tr Fbo Hutton -Cld-kmd

    EIN 016209987 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  38. Catherine Washburn Medical Association

    EIN 237216316 · Headquarters: Lopez Island, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Catholic Cemeteries of Spokane

    EIN 910564968 · Headquarters: Spokane, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Catholic Charities Serving Central Washington

    EIN 911370404 · Headquarters: YAKIMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Catholic Community Foundation of the Archdiocese of Seattle

    EIN 872056036 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Catholic Community Services of Western Washington

    EIN 203602821 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Catholic Daughters of America 2059 Ct St Catherine of Sienna

    EIN 510140420 · Headquarters: Clarkston, WA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  44. Catholic Daughters of America 2104 Ct Sacred Heart

    EIN 237433505 · Headquarters: Pullman, WA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  45. Catholic Engaged Encounter of Oregon Inc

    EIN 930910141 · Headquarters: Vancouver, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Catholic Housing Communities

    EIN 205331534 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Catholic Life Ministries Northwest

    EIN 911549985 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Catholic Physicians Guild

    EIN 912103010 · Headquarters: Fife, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  49. Catholics United for Life

    EIN 461886168 · Headquarters: Camas, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  50. Cavalcade of Authors West

    EIN 471276817 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Caws 2017 Seattle Hosting Committee

    EIN 465683229 · Headquarters: SILVERDALE, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  52. Cbmc Inc

    EIN 510184842 · Headquarters: Onalaska, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Cd Association

    EIN 454709943 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  54. Cdchc Foundation

    EIN 994526783 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Cedar River Bowmen

    EIN 911059086 · Headquarters: BLACK DIAMOND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Cedar Shake & Shingle Bureau

    EIN 910380980 · Headquarters: SUMAS, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Cedar Springs Christian Retreat Center

    EIN 911168903 · Headquarters: SUMAS, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Cedarcrest Drill Team Booster Club

    EIN 270528409 · Headquarters: Duvall, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  59. Cedarcrest High School Ptsa 21635

    EIN 911495129 · Headquarters: DUVALL, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Cedarcrest Middle School Ptsa 7 4 4 3

    EIN 911516856 · Headquarters: Marysville, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Celebration Lutheran Church

    EIN 912024904 · Headquarters: Anacortes, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  62. Cement Masons & Plasterers Local 528

    EIN 910222689 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Cement Masons and Plasterers Health and Welfare Trust

    EIN 911106482 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Cemetery Assn of Shaw Island

    EIN 916054750 · Headquarters: Shaw Island, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Centennial Elementary School Booster Association

    EIN 911490371 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Centennial Temple Board Inc

    EIN 916055328 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Centennial Trail Coalition of Snohomish County

    EIN 943081321 · Headquarters: SNOHOMISH, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Center for Ethical Leadership

    EIN 943154539 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Center for Multicutural Health

    EIN 910983698 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Center for Religious Humanism

    EIN 311041181 · Headquarters: COVINGTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Center for Sacred Change

    EIN 464754418 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  72. Center O Flying Club

    EIN 910962961 · Headquarters: TUMWATER, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. Centerpoint Institute

    EIN 911550615 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Central Area Development Association

    EIN 911632440 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Central Area Parents & Coaches Association

    EIN 463093637 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Central Auxiliary of St Joseph Hospital

    EIN 916071382 · Headquarters: BELLINGHAM, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Central Branch School

    EIN 910882254 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Central City Affordable Housing Inc

    EIN 911592873 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Central Houghton Neighborhood Association

    EIN 270082518 · Headquarters: Kirkland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Central Kitsap Classified Employees Association

    EIN 911530979 · Headquarters: SILVERDALE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Central Kitsap Education Association

    EIN 911147740 · Headquarters: SILVERDALE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Central Kitsap Fire and Rescue Firefighters Association

    EIN 916050957 · Headquarters: Silverdale, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Central Kitsap High School Booster Club

    EIN 911316754 · Headquarters: SILVERDALE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Central Kitsap Ptsa Council

    EIN 911127630 · Headquarters: tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  85. Central Mass Chapter

    EIN 043409237 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Central Oregon Golf Trail

    EIN 273001922 · Headquarters: EAST WENATCHEE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Central Park Cooperative Preschool

    EIN 910883926 · Headquarters: Aberdeen, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Central Park Parent Teacher Organization

    EIN 237455610 · Headquarters: Aberdeen, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Central Park Tennis Club Inc

    EIN 910885105 · Headquarters: KIRKLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Central Valley Education Associatio

    EIN 910865027 · Headquarters: SPOKANE VALLEY, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Central Wa Chapter of Piano Technicians Guild

    EIN 264802431 · Headquarters: Kennewick, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Central Washington Antique Farm Equipment Club

    EIN 911206734 · Headquarters: Yakima, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Central Washington Appaloosa Horse Club Inc

    EIN 910787289 · Headquarters: Selah, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  94. Central Washington Dressage Society

    EIN 911206716 · Headquarters: Moxee, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Central Washington Economic Development District

    EIN 882582738 · Headquarters: YAKIMA, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Central Washington Home Builders Association

    EIN 910723310 · Headquarters: YAKIMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Central Washington Mountain Rescue

    EIN 943096734 · Headquarters: Yakima, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Central Washington Pony Club

    EIN 237064564 · Headquarters: West Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Central Washington Quarter Horse Association

    EIN 910981437 · Headquarters: OKANOGAN, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Central Washington University Foundation

    EIN 237017467 · Headquarters: ELLENSBURG, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

First page and all pages