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
- Seattle Symphony & Opera Players Organization
EIN 911125069 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Synchronized Swim Team
EIN 910890089 · Headquarters: Kirkland, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seattle Syndicate
EIN 824772302 · Headquarters: Anacortes, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Seattle Tennis Club
EIN 910403820 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle United Fc
EIN 270780019 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle University
EIN 910565006 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle University Chapter of Alpha Sigma Nu
EIN 465140626 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Seattle University Foundation
EIN 911130769 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seattle Us-china Business Council
EIN 473043968 · Headquarters: Issaquah, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Veterinary Outreach
EIN 832653099 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Vineyard Christian Fellowship
EIN 911401928 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- Seattle West Foursquare Church
EIN 910958193 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T
- Seattle Westercon Organizing Committee
EIN 911524994 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Womens Public Golf Association S W P G A
EIN 916054878 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Works
EIN 911416844 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Seattle Yacht Club
EIN 910404140 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Seattle-african Sister Cities Committee
EIN 943088256 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle-christchurch Sister City Committee
EIN 911137616 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle-gdynia Sister City Association
EIN 943147211 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Seattle-king County Association of Realtors
EIN 910403475 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle-king County Dental Society
EIN 910520407 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Seattle-taejon Sister City Association
EIN 911427895 · Headquarters: EDMONDS, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Seattle-united Oromo Church of God of Prophecy
EIN 900065931 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Seattles Sleepless
EIN 911627214 · Headquarters: KIRKLAND, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Second Advent Herald
EIN 800455972 · Headquarters: Colville, WA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Second Chance Foundation
EIN 611718161 · Headquarters: Spanaway, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Second Chance Lulac
EIN 880550257 · Headquarters: Spanaway, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Second City Chamber Series
EIN 911019363 · Headquarters: Tacoma, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Second Responder
EIN 412488044 · Headquarters: Des Moines, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Security Police and Fire Professionals of America Local No 5
EIN 910665274 · Headquarters: MILTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sedro Woolley Museum
EIN 911525572 · Headquarters: SEDRO WOOLLEY, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sedro Woolley Rotary Club
EIN 916057529 · Headquarters: Sedro Woolley, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sedro Woolley Volunteer Fire Department
EIN 911393852 · Headquarters: SEDRO WOOLLEY, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sedro Woolley Youth Soccer Associat Ion
EIN 912027722 · Headquarters: Sedro Woolley, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sedro-woolley Alateen
EIN 272201511 · Headquarters: Sedro Woolley, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Sedro-woolley Chamber of Commerce
EIN 910712764 · Headquarters: SEDRO WOOLLEY, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Seedlings Child Care Center
EIN 453118270 · Headquarters: GARFIELD, WA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Sehome High School Class of 2004
EIN 352842155 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seiu 775 Ballot Fund
EIN 371937748 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- SEIU Healthcare 1199NW
EIN 911275780 · Headquarters: KENT, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Seiu Initiative Fund
EIN 823721872 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seiu Local 925 Ballot Fund
EIN 880731575 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Selah Dolphin Swim Club
EIN 911255162 · Headquarters: Selah, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Selah High School 1995 Reunion
EIN 472689631 · Headquarters: Selah, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Selah National Little League
EIN 911559544 · Headquarters: Yakima, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Selah Wake Up
EIN 472085935 · Headquarters: Selah, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Selam Le Ethiopia
EIN 474101340 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Self Latino
EIN 800762179 · Headquarters: VANCOUVER, WA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Selkirk Humanities Foundation
EIN 943127538 · Headquarters: Ione, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Semiahmoo Yacht Club
EIN 911547305 · Headquarters: Blaine, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seminary Ridge Owners Assoc
EIN 911403613 · Headquarters: Centralia, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Semper Fidelis Society
EIN 912099345 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Senior Citizen Central Center
EIN 910900108 · Headquarters: OMAK, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Senior Citizens Foundation
EIN 911522126 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Senior Citizens Lobby
EIN 911034827 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Senior Fun Band
EIN 800299368 · Headquarters: FREELAND, WA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Senior Housing Association of Snohomish County
EIN 911212807 · Headquarters: EVERETT, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Senior Opportunity Association Inc
EIN 910850559 · Headquarters: SOAP LAKE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Senior Services Council of San Juan
EIN 911057199 · Headquarters: FRIDAY HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Senior Services for South Sound
EIN 910907573 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Senior Services of Skamania County
EIN 911113053 · Headquarters: NORTH BONNEVILLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Senior Year Foundation
EIN 991983357 · Headquarters: BELLEVUE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sensi Branden Heinselman Memorial Fund
EIN 471513739 · Headquarters: Yelm, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sentinel Booster Club of Steilacoom High School
EIN 911173776 · Headquarters: Steilacoom, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sentinel Group
EIN 911488652 · Headquarters: Lynnwood, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sequim Bay Yacht Club
EIN 911107081 · Headquarters: Sequim, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sequim Dungeness Hospital Guild
EIN 916171205 · Headquarters: SEQUIM, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sequim Elks Lodge 2642
EIN 911181973 · Headquarters: SEQUIM, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sequim Food Bank
EIN 911215709 · Headquarters: Sequim, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sequim Good Governance League
EIN 862215058 · Headquarters: Sequim, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sequim Lavender Experience
EIN 274635500 · Headquarters: Sequim, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sequim Masonic Lodge Foundation
EIN 910987628 · Headquarters: CARLSBORG, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Sequim Middle School Ptsa 1-4-70
EIN 261114021 · Headquarters: Sequim, WA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Sequim Pre-three
EIN 262302970 · Headquarters: Sequim, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Sequim Rc Aeronauts
EIN 911164290 · Headquarters: Sequim, WA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Sequim School District Scholarship Foundation
EIN 911586150 · Headquarters: Sequim, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sequim Seqribbler
EIN 834423201 · Headquarters: Sequim, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Sequim-dungeness Valley Chamber of Commerce
EIN 916055745 · Headquarters: SEQUIM, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sequins and Spurs Equestrian Drill Team
EIN 454767367 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Sequoia Foundation
EIN 911178052 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Serene Lake Elementary PTSA 7520
EIN 510137495 · Headquarters: Edmonds, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Serra International
EIN 134217427 · Headquarters: Everett, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Serra International
EIN 205421660 · Headquarters: Bothell, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Serra International
EIN 237549292 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Serra International
EIN 364367816 · Headquarters: VANCOUVER, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Serra International
EIN 364387760 · Headquarters: Kennewick, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Service Employees Council
EIN 911465061 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Service Employees Health and Welfare Trust
EIN 237122650 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Service Employees International Union
EIN 910158845 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Service Employees International Union Local 775
EIN 810588837 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Service Employees International Union Local 925
EIN 912126024 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Service Is a Lifestyle
EIN 813164422 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Serving Hope Ministries
EIN 472960850 · Headquarters: Clarkston, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Serving Ministers of Christ
EIN 911008788 · Headquarters: EDMONDS, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seven Star Womens Kung-fu
EIN 911329933 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seven Woods Foundation
EIN 911585493 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Sewer Sisters
EIN 991613378 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sfeed-steps for Engagementeducationemployment
EIN 932563201 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shady Dell Condominium Association
EIN 332811953 · Headquarters: Long Beach, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shafique Yousaf Foundation
EIN 824004426 · Headquarters: Sammamish, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N