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
- Stanwood Area Historical Society
EIN 510137982 · Headquarters: STANWOOD, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stanwood Camano Homeschool Adventures
EIN 463227492 · Headquarters: Camano Island, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Stanwood Camano Little League
EIN 911544820 · Headquarters: STANWOOD, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Stanwood High School Aaaa Booster Club
EIN 911424205 · Headquarters: STANWOOD, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stanwood Masonic Center Association
EIN 260045986 · Headquarters: Stanwood, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stanwood Sashayers
EIN 455182114 · Headquarters: Camano Island, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Stanwood-Camano Area Foundation
EIN 916036846 · Headquarters: Stanwood, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stanwood-camano Arts Advocacy Commission
EIN 851617284 · Headquarters: STANWOOD, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stanwood-camano Education Association
EIN 911581632 · Headquarters: STANWOOD, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Star Tournament Association
EIN 800532163 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Stardust Dancers
EIN 911740141 · Headquarters: Winlock, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Starshooters
EIN 300521338 · Headquarters: Spokane Valley, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Starter Technologies
EIN 911919356 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- State Highway Credit Union
EIN 910425355 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- State of Washington Potato Committe
EIN 910578376 · Headquarters: MOSES LAKE, WA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Station 110 Benevolent Association
EIN 824168861 · Headquarters: Kennewick, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stationary Engineers Training Trust
EIN 911001810 · Headquarters: Mercer Island, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stay Spicy Foundation
EIN 422164141 · Headquarters: Ferndale, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stcu
EIN 910565128 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Steadfast Masonic Temple Association
EIN 473868865 · Headquarters: Bremerton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stealers Fastpitch
EIN 473120743 · Headquarters: Sedro Woolley, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Steamboat Island Coop Preschool
EIN 910878186 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Steamboat Islanders Inc
EIN 916050499 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Steel Magic Northwest
EIN 472201053 · Headquarters: Edmonds, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Stehekin Heritage Defense Committee
EIN 911244422 · Headquarters: Stehekin, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Steilacoom Chamber of Commerce
EIN 911440560 · Headquarters: Steilacoom, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Steilacoom Citizens Fireworks Committee
EIN 911554660 · Headquarters: STEILACOOM, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Steilacoom Cooperative Preschool
EIN 910853007 · Headquarters: Steilacoom, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Steilacoom Historical Museum Assn Inc
EIN 916176075 · Headquarters: Steilacoom, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Steilacoom Lake Improvement Club Inc
EIN 916055024 · Headquarters: LAKEWOOD, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Steve Jamison Crusadesinc
EIN 911300365 · Headquarters: ISSAQUAH, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stevens County Historical Society Inc
EIN 916173671 · Headquarters: Colville, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Stevens Hunter Education Group
EIN 465737933 · Headquarters: Kettle Falls, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Stevens Water System
EIN 352402586 · Headquarters: Colville, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stevenson Alumni Memorial Scholarship Fund
EIN 916064464 · Headquarters: STEVENSON, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stewardship Foundation
EIN 916020515 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Stillaguamish Pointe
EIN 911576009 · Headquarters: ARLINGTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stillaguamish Valley Genealogical Society
EIN 943046071 · Headquarters: Arlington, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stillwater Elementary PTSA
EIN 911447310 · Headquarters: Duvall, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Stilly Singers
EIN 822489364 · Headquarters: Marysville, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Stoehr Glidden Auxiliary 2554
EIN 300839067 · Headquarters: Sultan, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Stoic Registry
EIN 993803333 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stone Brook Homeowners Association
EIN 911598843 · Headquarters: Federal Way, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stone Creek Estates Water Association
EIN 916170134 · Headquarters: Maple Valley, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stone Ridge Homeowners Association
EIN 371544679 · Headquarters: Camas, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Stoner Foundation
EIN 916325564 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Storbook Farm Animal Sanctuary
EIN 800452809 · Headquarters: Sammamish, WA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Strait-aways Sequim Valley Antique and Classy Car Club
EIN 911545175 · Headquarters: sequim, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Strait-View Credit Union
EIN 910461936 · Headquarters: Port Angeles, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Strategic Business Association
EIN 274014243 · Headquarters: Everett, WA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Strattonwood Swimming Club
EIN 237063757 · Headquarters: Redmond, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Street Corner Commission
EIN 271249006 · Headquarters: Spanaway, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Street Invasion Ryders Mc
EIN 320688993 · Headquarters: Lacey, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Streets for All Seattle
EIN 272438096 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Strong Women
EIN 814748772 · Headquarters: Fircrest, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stronger Families
EIN 943080305 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stronger Healthcare Stronger Ohio Inc
EIN 991874437 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stroum Family Foundation
EIN 911362111 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Structural Engineers Association of Washington
EIN 916055818 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Studenica Foundation
EIN 943186334 · Headquarters: WOODINVILLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Student Packs Over the Stretch
EIN 831431255 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Studios Educational Foundation
EIN 993357046 · Headquarters: Union, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Success Partners
EIN 800311352 · Headquarters: WENATCHEE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sudden Valley Amateur Radio Club
EIN 842306425 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sudden Valley Group of Alcoholics Anonymous
EIN 474193525 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Suise Creek Cemetery Association
EIN 916059559 · Headquarters: KENT, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sultan Band Parents Association
EIN 943170345 · Headquarters: Sultan, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sumas Chamber Oc Commerce
EIN 510137988 · Headquarters: Sumas, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sumas Rural Water Assoc Inc
EIN 910592796 · Headquarters: SUMAS, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Summerhaven Ii Homeowners Association
EIN 991259431 · Headquarters: Hoquiam, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Summit Clear
EIN 922397469 · Headquarters: SPOKANE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Summit Lake Community Association
EIN 910844312 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Summit Pacific Medical Foundation
EIN 910593059 · Headquarters: ELMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Summit Uniserv Council
EIN 910903083 · Headquarters: PUYALLUP, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Summit Water & Supply Company
EIN 910430730 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sumner Band Parents Association
EIN 911179724 · Headquarters: Sumner, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sumner Cooperative Nursery School
EIN 916073767 · Headquarters: SUMNER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sumner Education Association
EIN 911015554 · Headquarters: SUMNER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sumner Historical Society
EIN 910979251 · Headquarters: Sumner, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Sumner Lions Club
EIN 550887582 · Headquarters: Puyallup, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sumner Sportsmens Association
EIN 916049855 · Headquarters: SUMNER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sumner Valley Dance Association
EIN 911650973 · Headquarters: TACOMA, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Sumner-bonney Lake Citizens for Schools
EIN 934714201 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sun Catchers Chapter of Wit
EIN 470921158 · Headquarters: Carlsborg, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Sun Community Service
EIN 910926916 · Headquarters: BELLINGHAM, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sun Cove Water System District
EIN 932429739 · Headquarters: Oroville, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Sun Lovers Under Gray Skies
EIN 911919842 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sun Tides Vista Home Association
EIN 910839740 · Headquarters: YAKIMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sun Willows Mens Club
EIN 916186376 · Headquarters: PASCO, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Suncrest Neighbors Association
EIN 823738106 · Headquarters: Nine Mile Falls, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Suncrest Park Association
EIN 911263496 · Headquarters: NINE MILE FALLS, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sundance Improvement Association
EIN 464990699 · Headquarters: Kennewick, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sunday Night Speakers Meeting
EIN 464817934 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Sunday Spiritual Awakening
EIN 912057425 · Headquarters: Manchester, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sunlight Waters Country Club Inc
EIN 910847195 · Headquarters: CLE ELUM, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sunny Sites Water Tr
EIN 237290343 · Headquarters: Leavenworth, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sunnyside Christian Thrift Shop
EIN 911715344 · Headquarters: Sunnyside, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sunnyside Economic Association a Non Profit Corporation
EIN 911324204 · Headquarters: Sunnyside, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Sunnyside Education Association
EIN 237133198 · Headquarters: SUNNYSIDE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sunnyside Elementary Ptsa
EIN 901139075 · Headquarters: Tacoma, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ