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. Nwlrc Legends Rowing Club N W L R C

    EIN 900328860 · Headquarters: LAKE STEVENS, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. O Bee Credit Union

    EIN 910639210 · Headquarters: Lacey, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. O'dea High School Foundation

    EIN 911307532 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. O-zi-ya Community Club

    EIN 872105902 · Headquarters: Stanwood, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  5. Oak Harbor Basketball League

    EIN 862805369 · Headquarters: Oak Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  6. Oak Harbor Cats Hoop Club

    EIN 472579587 · Headquarters: Oak Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  7. Oak Harbor Chamber of Commerce

    EIN 910616847 · Headquarters: OAK HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Oak Harbor Christian School Foundation

    EIN 943126169 · Headquarters: Oak Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Oak Harbor Christian School Society

    EIN 910666310 · Headquarters: Oak Harbor, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  10. Oak Harbor Education Association

    EIN 311085442 · Headquarters: OAK HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Oak Harbor Elks Lodge 2362

    EIN 910823988 · Headquarters: OAK HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Oak Harbor Garden Club

    EIN 911234447 · Headquarters: Oak Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Oak Harbor Police Association

    EIN 911138010 · Headquarters: OAK HARBOR, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Oak Harbor Yacht Club Inc

    EIN 916054854 · Headquarters: Oak Harbor, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Oak Heights Elementary Pta 7 2 95

    EIN 911500775 · Headquarters: Lynnwood, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Oak Meadows Property Owners

    EIN 911469107 · Headquarters: Oakville, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Oakbridge University and Chapel

    EIN 911482099 · Headquarters: SEQUIM, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Oakbrook 7Th Addition Homeowners Association

    EIN 911279582 · Headquarters: Lakewood, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  19. Oakbrook Parent Teacher Student Association

    EIN 911129649 · Headquarters: Lakewood, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Oakbrook Swim & Tennis Club

    EIN 910792832 · Headquarters: Lakewood, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Oakville Friends of the Library

    EIN 910972548 · Headquarters: OAKVILLE, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  22. Oasis Christian Ministries International

    EIN 815444825 · Headquarters: Lynden, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Occident Temple Association

    EIN 473091588 · Headquarters: Ilwaco, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Occidental Temple Association

    EIN 910816046 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Ocean Beach School District Foundation

    EIN 943145212 · Headquarters: LONG BEACH, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. Ocean Park Area Chamber of Commerce

    EIN 943120886 · Headquarters: OCEAN PARK, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Ocean Park Camp & Retreat Center

    EIN 916008651 · Headquarters: Ocean Park, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Ocean Shores Fraternal Order of Eagles 4197

    EIN 911405304 · Headquarters: Ocean Shores, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Ocean Shores Friends of the Library

    EIN 237229903 · Headquarters: Ocean Shores, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Ocean Shores Marketing Co-op

    EIN 824232973 · Headquarters: Ocean Shores, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  31. Ocean Shores North Beach Bpoe #2581

    EIN 911051201 · Headquarters: OCEAN SHORES, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Ocean Shores Outdoor Recreation Club the USA

    EIN 910878470 · Headquarters: OCEAN CITY, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Oceans of Possibilities Foundation

    EIN 454699477 · Headquarters: Oak Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  34. Ocheami

    EIN 911152736 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. Ochre Outdoor Learning

    EIN 881450165 · Headquarters: Burien, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  36. Ocosta Education Association

    EIN 451739102 · Headquarters: Westport, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Ocosta Foundation

    EIN 911294336 · Headquarters: ABERDEEN, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  38. Ocosta Recreation Center Inc

    EIN 911110237 · Headquarters: Aberdeen, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Octoplus Square Dance Club

    EIN 815368384 · Headquarters: Spokane Valley, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Odeon String Quartet Odeonquartet

    EIN 481257400 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  41. Odessa Athletic Booster Club

    EIN 202642584 · Headquarters: ODESSA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Odessa Chamber of Commerce

    EIN 916037663 · Headquarters: ODESSA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Odessa Healthcare Foundation

    EIN 911421239 · Headquarters: ODESSA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Odessa Historical Society

    EIN 237170512 · Headquarters: ODESSA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Odessa Parent Preschool Cooperative

    EIN 910934793 · Headquarters: Odessa, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  46. Odessa Riders Club

    EIN 916048609 · Headquarters: Ritzville, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Odle Middle School Ptsa

    EIN 237177160 · Headquarters: Bellevue, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Odm Mipsahh Native Outreach & Equine Therapy

    EIN 810831670 · Headquarters: YAKIMA, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Odyssey Elementary PTA

    EIN 911155076 · Headquarters: EVERETT, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Off the Streets

    EIN 845132574 · Headquarters: Wenatchee, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  51. Office & Professional Employees INTERNATIONAL UNION LOCAL 8

    EIN 910344245 · Headquarters: Tukwila, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Office and Professional Employees 11 OPEIU

    EIN 930240085 · Headquarters: Vancouver, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Official Tea Party of Spokane

    EIN 270603491 · Headquarters: Greenacres, WA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  54. Ohio State University Alumni Association Inc

    EIN 911537025 · Headquarters: Kirkland, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Ohop Lake Improvement Club

    EIN 833443717 · Headquarters: Eatonville, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  56. Ohop Mutual Light Company

    EIN 910344550 · Headquarters: EATONVILLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. Okanogan Area Senior Citizens Center

    EIN 911159461 · Headquarters: Okanogan, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Okanogan County Artists

    EIN 237057009 · Headquarters: Omak, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Okanogan County Child Development Association

    EIN 911178788 · Headquarters: OMAK, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Okanogan County Dispute Resolution Center

    EIN 911541568 · Headquarters: Okanogan, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  61. Okanogan County Electric Cooperative

    EIN 910344665 · Headquarters: Winthrop, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Okanogan County Genealogical Society

    EIN 943054782 · Headquarters: Loomis, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Okanogan County Habitat for Humanity

    EIN 911683948 · Headquarters: Omak, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Okanogan County Medical Society

    EIN 910835362 · Headquarters: omak, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  65. Okanogan County School Retirees Association

    EIN 331088505 · Headquarters: OKANOGAN, WA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  66. Okanogan County Sheriff's Employees Association

    EIN 911838697 · Headquarters: OKANOGAN, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  67. Okanogan Employees Childcare

    EIN 911599702 · Headquarters: OKANOGAN, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Okanogan Highlands Alliance

    EIN 911571661 · Headquarters: TONASKET, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Okanogan Neighbors

    EIN 203363164 · Headquarters: TONASKET, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Okanogan Temple Corporation

    EIN 916058183 · Headquarters: okanogan, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Okanogan Valley Boots & Saddle Club

    EIN 916007542 · Headquarters: OKANOGAN, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Okanogan Valley Fiber Association

    EIN 464629721 · Headquarters: Omak, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  73. Okanogan Wildlife Council

    EIN 916037205 · Headquarters: Okanogan, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Okayama Club

    EIN 910983415 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Olalla Community Club

    EIN 237254893 · Headquarters: OLALLA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Old Barn Cat Rescue

    EIN 994136631 · Headquarters: SPOKANE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Old English Sheepdog Club of Greater Seattle

    EIN 237158617 · Headquarters: Everett, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Old Fairhaven Association DBA Fairhaven Association

    EIN 911257046 · Headquarters: Bellingham, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Old Guide Water Association

    EIN 911282075 · Headquarters: BELLINGHAM, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Old Settlers Water Association

    EIN 916055864 · Headquarters: Custer, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  81. Old Time and Country Music Association

    EIN 911377162 · Headquarters: Everett, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  82. Old Town Business Association

    EIN 911714393 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Old Town Christian Ministries

    EIN 911346202 · Headquarters: Ferndale, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Old Town Cooperative Preschool

    EIN 910863295 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Olga Community Club

    EIN 911099092 · Headquarters: Olga, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Olympia Area Dietetic Association

    EIN 364714575 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Olympia Area Square Dancers Inc

    EIN 900422654 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Olympia Baseball Inc

    EIN 454801087 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  89. Olympia Bridge Unit 441

    EIN 264614577 · Headquarters: OLYMOIA, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  90. Olympia Camera Club

    EIN 852815504 · Headquarters: LACEY, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  91. Olympia Chamber Orchestra

    EIN 911462919 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Olympia Coin Club Inc

    EIN 911642782 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Olympia Education Association

    EIN 237332836 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  94. Olympia Foursquare Church

    EIN 911074612 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T

  95. Olympia Genealogical Society

    EIN 910987046 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Olympia Kiwanis Club

    EIN 910283368 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Olympia Local Chapter of Democratic Socialists of America

    EIN 830718870 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  98. Olympia Lodge 186 Bene & Prot Order of Elks

    EIN 910142780 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Olympia Masonic Building Association

    EIN 910790149 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Olympia Masonic Cemetery

    EIN 910905177 · Headquarters: TUMWATER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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