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
- Silver Dollar Club
EIN 872828728 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silver Firs Pta Everett Council 7 3 44
EIN 911414923 · Headquarters: Everett, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silver Football Club
EIN 813231713 · Headquarters: SILVERDALE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Silver Lake Action Committee
EIN 911413587 · Headquarters: Everett, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silver Lake Senior Housing Association
EIN 943041311 · Headquarters: EVERETT, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Silver Ridge Elementary PTA 1322
EIN 911484171 · Headquarters: Silverdale, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silver Spurs Youth Folk Dancers
EIN 916056401 · Headquarters: Spokane, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Silver View Senior Housing Association
EIN 911664336 · Headquarters: EVERETT, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Silverdale Chamber of Commerce
EIN 910911216 · Headquarters: SILVERDALE, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Silverdale Elementary Ptsa
EIN 910313394 · Headquarters: Silverdale, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Simon of Cyrene Society
EIN 911218858 · Headquarters: MONROE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Simpson Recreation Association Inc
EIN 916037192 · Headquarters: Shelton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sinclair Inlet Yacht Club
EIN 916187347 · Headquarters: Port Orchard, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Singing Wood Foundation Inc
EIN 132557966 · Headquarters: REDMOND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Sinto Senior Activity Center
EIN 910685298 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sir Herbert Read Consortium
EIN 917900952 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sis Ptso
EIN 464920231 · Headquarters: SELAH, WA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Sister Cities Association of Spokane
EIN 943101734 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sisters 4 Sisters
EIN 474055219 · Headquarters: University Place, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Sisters Legacy Foundation
EIN 331735342 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sittin Pretti Car and Truck Club
EIN 912190574 · Headquarters: Mount Vernon, WA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- SJI K9 Detection Club
EIN 922967079 · Headquarters: Friday Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skagit Alpine Club
EIN 237023356 · Headquarters: Mount Vernon, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skagit Audubon Society
EIN 911207770 · Headquarters: MOUNT VERNON, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skagit County Deputy Sheriffs Guild
EIN 911494914 · Headquarters: Mount Vernon, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skagit County Farm Bureau Inc
EIN 916070202 · Headquarters: MOUNT VERNON, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skagit County Sheriff's Office Benevolent Association
EIN 911362356 · Headquarters: MOUNT VERNON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Skagit Fresh Farmers Alliance
EIN 364729829 · Headquarters: Mount Vernon, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skagit Gleaners
EIN 943065925 · Headquarters: MOUNT VERNON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Skagit Habitat for Humanity
EIN 911628529 · Headquarters: Mount Vernon, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skagit Island Counties Builder's Association
EIN 911097086 · Headquarters: BURLINGTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Skagit Mountain Rescue Unit Inc
EIN 916060389 · Headquarters: Mount Vernon, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skagit Preschool and Resource Center
EIN 910775902 · Headquarters: Mount Vernon, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skagit River Woods Camping Country
EIN 910879503 · Headquarters: BURLINGTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skagit Rock and Gem Club
EIN 916056130 · Headquarters: Mount Vernon, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skagit Runners
EIN 911185958 · Headquarters: BURLINGTON, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skagit Sams
EIN 364641683 · Headquarters: BURLINGTON, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Skagit Valley Chorale
EIN 981648165 · Headquarters: MOUNT VERNON, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Skagit Valley Demolay
EIN 333078861 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skagit Valley Genealogical Society
EIN 911359846 · Headquarters: Mount Vernon, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skagit Valley Homesteaders 4-H Club
EIN 465729122 · Headquarters: Burlington, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Skagit Valley Hospital Guild
EIN 916052441 · Headquarters: Mount Vernon, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skagit Valley Masonic Lodge No 36
EIN 237138315 · Headquarters: SEDRO WOOLLEY, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skagit Valley Neighbors in Need
EIN 910951646 · Headquarters: MOUNT VERNON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Skagit Valley Tulip Festival C/o Nicole Roozen
EIN 911662982 · Headquarters: MOUNT VERNON, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Skagit Widowed Support Services
EIN 911458049 · Headquarters: Anacortes, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skagit Women in Business
EIN 911236640 · Headquarters: Mount Vernon, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Skagit Women's Alliance and Network
EIN 911293209 · Headquarters: Burlington, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skagit-island Counties Chapter of Medical Assistants
EIN 465448263 · Headquarters: Anacortes, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Skagit-island Human Resource Management Association
EIN 911612930 · Headquarters: Anacortes, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skagitonians to Preserve Farmland
EIN 911484503 · Headquarters: MOUNT VERNON, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skamania County Chamber of Commerce
EIN 911335406 · Headquarters: STEVENSON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Skamania County Republican Central
EIN 262567228 · Headquarters: STEVENSON, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skandia Folkdance Society
EIN 911050465 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ski for Light Puget Sound
EIN 943113793 · Headquarters: Leavenworth, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skinny Dragon Family Readiness Group
EIN 823753041 · Headquarters: Oak Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Skookum Chuck Water Association
EIN 910615055 · Headquarters: LYNDEN, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Skookum Educational Programs Dba Tessera
EIN 911434778 · Headquarters: BREMERTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skunk Bay Lighthouse Association
EIN 473330641 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sky River Soccer Club
EIN 911058624 · Headquarters: MONROE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sky Valley Aerie Foe 4149
EIN 911416853 · Headquarters: Sultan, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Sky Valley Boosters
EIN 510654697 · Headquarters: Sultan, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Sky Valley Chamber of Commerce
EIN 911206773 · Headquarters: Sultan, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sky Valley Food Bank
EIN 911186822 · Headquarters: MONROE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sky Valley Little League
EIN 943060680 · Headquarters: MONROE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sky Valley Whirlwinds Square Dance Club
EIN 800306430 · Headquarters: MILL CREEK, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skyhawk Group
EIN 365010885 · Headquarters: Kent, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Skyhawks Ptso
EIN 262179817 · Headquarters: SULTAN, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skyline Appreciation Club
EIN 872129977 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skyline Elementary Pta
EIN 911547980 · Headquarters: Lake Stevens, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Skyline Foundation
EIN 911355848 · Headquarters: WHITE SALMON, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skyline Girls Select Basketball
EIN 611459434 · Headquarters: Sammamish, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Skyway Firefighters
EIN 332322085 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skyway Peace Center
EIN 990721044 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slavic Christian Homeschool Organization
EIN 992475716 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slavic International Association of Ministries Good Samaritan
EIN 911719293 · Headquarters: FEDERAL WAY, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Slhs Girls Basketball
EIN 800510160 · Headquarters: SPANAWAY, WA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Slingerland Beth & John Charitable Trt
EIN 916355975 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Slingerland Literacy Institute
EIN 911189697 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sloop Tavern Yacht Club
EIN 911052130 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Slovene National Benefit Society
EIN 237524482 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slow Food USA Inc
EIN 134334388 · Headquarters: Anacortes, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Slow Food Whidbey Island
EIN 462222039 · Headquarters: Freeland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smacna Western Washington Association
EIN 910815085 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smart
EIN 911692147 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smarter Government Washington
EIN 462900843 · Headquarters: Woodinville, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Sme Found for Marketing Education
EIN 136167250 · Headquarters: Sumas, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smhi Residential Services
EIN 943184024 · Headquarters: TUKWILA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Smith Road Co-op Water Association
EIN 916037838 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smiths School Pta 11 4 62
EIN 800887940 · Headquarters: Grandview, WA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Smma Group
EIN 271645001 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Smocking Arts Guild of America Inc
EIN 581518620 · Headquarters: Bothell, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smocking Arts Guild of America Inc
EIN 742617839 · Headquarters: Steilacoom, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smocking Arts Guild of America Inc
EIN 742617972 · Headquarters: Wenatchee, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Smyrna Resource Center Inc
EIN 201682586 · Headquarters: VANCOUVER, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sno Falls Credit Union
EIN 910693631 · Headquarters: NORTH BEND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sno Joke Ski Club
EIN 911760764 · Headquarters: Redmond, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sno King Intergroup
EIN 911552607 · Headquarters: Mountlake Terrace, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Sno King Youth Club
EIN 910988618 · Headquarters: Edmonds, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sno Posse
EIN 320320052 · Headquarters: chewelah, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N