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
- Ancient Free and Accepted Masons of Idaho
EIN 237531072 · Headquarters: Spokane Valley, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ancient Mariners Rowing Club
EIN 943114592 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ancient Mystical Order of Rosae Crucis
EIN 916032742 · Headquarters: Poulsboro, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Ancient Skiers Association
EIN 365177137 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Andah Foundation
EIN 472626521 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Anderson Family Foundation
EIN 510147901 · Headquarters: EDMONDS, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Anderson Foundation
EIN 916031724 · Headquarters: KIRKLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Anderson Hill Road Fund
EIN 883553356 · Headquarters: Curtis, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Anderson Island Historical Society
EIN 510152655 · Headquarters: Anderson Island, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Anderson Island Home Owners Association
EIN 911354242 · Headquarters: Anderson Island, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Andy Creek Water Users Inc
EIN 916035875 · Headquarters: Naches, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ange Michele Foundation
EIN 471036155 · Headquarters: BELLEVUE, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Anglicon
EIN 943044091 · Headquarters: Bellevue, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Animal Guardians of Alaska Inc
EIN 300728405 · Headquarters: Evans, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ann & Virginia Nitterhouse Foundation
EIN 911567089 · Headquarters: Sequim, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Anne R & R Harper Brown Fdn C/o Carol P Brown
EIN 363616305 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Annie Wright Schools
EIN 910567266 · Headquarters: Tacoma, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Another Life Ministries
EIN 464472758 · Headquarters: Federal Way, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Answers for Elders Foundation
EIN 475344602 · Headquarters: EDMONDS, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Anti-smoking Alliance
EIN 611635109 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990
- Antioch International Ministries
EIN 364876019 · Headquarters: Federal Way, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Antique Auto Restorers Club of Bellingham
EIN 916059571 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Antique Automobile Club of America Tacoma Region
EIN 911943459 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Anurakti
EIN 853927274 · Headquarters: BOTHELL, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Aok Friends
EIN 270546371 · Headquarters: Mill Creek, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Apa-the Engineered Wood Association
EIN 910202372 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Apex Basketball Club
EIN 884201770 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Apex Property Owners Improvement Association
EIN 911130802 · Headquarters: Silverdale, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- APICS - Puget Sound Chapter Dba ASCM Seattle Chapter
EIN 911184274 · Headquarters: Bellevue, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Apple City Amateur Club
EIN 911693126 · Headquarters: Wenatchee, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Apple Country Contra Dancers
EIN 471147212 · Headquarters: Yakima, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Apple Country Snowmobile Club
EIN 237272026 · Headquarters: wenatchee, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Apple Tree Point Road Maintenance Committee
EIN 921862151 · Headquarters: Kingston, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Apple Valley Slow-pitch Softball Association
EIN 943064790 · Headquarters: Wenatchee, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Appleland Promenaders
EIN 916147368 · Headquarters: EAST WENATCHEE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Apples of Gold Speech and Debate Club
EIN 271299056 · Headquarters: Lynnwood, WA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Applied Environmental Technologies
EIN 911536412 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Appraisal Institute
EIN 237182619 · Headquarters: Spokane Valley, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Apprenticeship and Nontraditional Employment for Women
EIN 911122763 · Headquarters: TUKWILA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Apta Washington
EIN 916035954 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Apwa
EIN 881654282 · Headquarters: REDMOND, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Aqua Club Inc
EIN 910695151 · Headquarters: KENMORE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Aquarian Tabernacle Church Incorporated
EIN 260116201 · Headquarters: Suquamish, WA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Aquatic Resources Conservation Group
EIN 943146531 · Headquarters: Port Townsend, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Aquinas Vancouver
EIN 825373874 · Headquarters: Battle Ground, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Arbor Heights Swim Club Inc
EIN 910746145 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Arbor Housing Associates
EIN 911214649 · Headquarters: TUKWILA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Arbors at Echo Falls Homeowners Association
EIN 474353818 · Headquarters: SNOHOMISH, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Arc of Snohomish County
EIN 910991444 · Headquarters: EVERETT, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Archbright
EIN 910522849 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Archdiocese of Seattle
EIN 910778147 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- Architects & Engineers Legislative Council
EIN 911022439 · Headquarters: UNIVERSITY PLACE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Arden Hills Water Association
EIN 271588831 · Headquarters: Colville, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Arion Singing Society
EIN 943232570 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Arise Charitable Trust
EIN 911350780 · Headquarters: FREELAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Arise Shine Ministries Inc
EIN 731193889 · Headquarters: STANWOOD, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Arizona Chapter of the American College of Cardiology
EIN 742474220 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Arizona Chapter of the American College of Physicians
EIN 860622683 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Arkrock Academy
EIN 812374815 · Headquarters: Sammamish, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Arlington Chapel
EIN 911480983 · Headquarters: Arlington, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Arlington Childrens Theater Foundation
EIN 454665815 · Headquarters: Arlington, WA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Arlington Education Association Arlington School District No 16
EIN 910842969 · Headquarters: Arlington, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Arlington Fly-in
EIN 911156110 · Headquarters: ARLINGTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Arlington Flyers Club
EIN 911230476 · Headquarters: mill creek, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Arlington High School Booster Club
EIN 911553098 · Headquarters: Arlington, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Arlington Smokey Point Chamber of Commerce
EIN 204121645 · Headquarters: ARLINGTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Arlington Temple Corp
EIN 916055713 · Headquarters: ARLINGTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Armed Forces E-9 Association
EIN 472758371 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Armed Forces Motorcycle Club Washington Chapter
EIN 472680314 · Headquarters: Spanaway, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Armenian Cultural Association of Washington
EIN 911413252 · Headquarters: Bellevue, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Arnold Air Society-silver Wings
EIN 521236591 · Headquarters: ELLENSBURG, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Arnold Air Society-silver Wings
EIN 916057652 · Headquarters: PULLMAN, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Arnold Air Society-silver Wings
EIN 916057653 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Arrow Leadership International Ministries
EIN 561526335 · Headquarters: SUMAS, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Arrow Ministries
EIN 911263078 · Headquarters: Napavine, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Arrowhead Beach Coop Water Associat
EIN 916033467 · Headquarters: STANWOOD, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Art by Ackerman
EIN 474704050 · Headquarters: Coupeville, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Art Experiment
EIN 830844362 · Headquarters: Yakima, WA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Art Hause Village Foundation
EIN 994478487 · Headquarters: Bellevue, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Artic Community Association
EIN 911155831 · Headquarters: Cosmopolis, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Artist Trust
EIN 911353974 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Artists United of South King County
EIN 393524237 · Headquarters: Burien, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Artondale Cemetery Association
EIN 900670602 · Headquarters: Gig Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Arts Alive
EIN 911448793 · Headquarters: ENUMCLAW, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Arts and Visually Impaired Audiences
EIN 911525518 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Arts Council of Snohomish County
EIN 237438061 · Headquarters: EVERETT, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Artsfund Foundation
EIN 911866831 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- As-you-like-it-library
EIN 916060970 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ascend Gymnastics Boosters
EIN 911206008 · Headquarters: Auburn, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ash Family Foundation
EIN 911578235 · Headquarters: KIRKLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Ashbrook Homeowners Association
EIN 464306014 · Headquarters: RENTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ashes Auxilary District 16
EIN 912026698 · Headquarters: LAKEBAY, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ashler Temple Inc
EIN 237262412 · Headquarters: BOTHELL, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Asia Pacific Language School
EIN 911679062 · Headquarters: Bellevue, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Asian American Association of Seattle
EIN 811179592 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Asian Bar Association of Washington Scholarship Fund
EIN 911499136 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Asian Pacific American Labor Alliance Afl-cio
EIN 911614645 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Asica
EIN 465495553 · Headquarters: Seaatle, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Asis International Inc
EIN 510249054 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Asis International Inc
EIN 521309173 · Headquarters: Nine Mile Falls, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N