Nonprofits in Washington
Nonprofits in Washington. Browse 51,977 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
- Washington Research Institute
EIN 911403422 · Headquarters: SEATTLE, WA, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Washington Research Licensing Foundation
EIN 911160492 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Washington Resource Conservation and Development C
EIN 911810332 · Headquarters: YAKIMA, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Respiratory Care Foundation
EIN 923296197 · Headquarters: Des Moines, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Restaurant Association Education Foundation
EIN 911686716 · Headquarters: OLYMPIA, WA, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990
- Washington Retail Association
EIN 911376551 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Retail Foundation
EIN 862366718 · Headquarters: OLYMPIA, WA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Retail Health Trust
EIN 467046583 · Headquarters: SPOKANE, WA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Rheumatology Alliance
EIN 201766864 · Headquarters: SEATTLE, WA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Washington Rheumatology Arnps Pas
EIN 262851760 · Headquarters: Everett, WA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Washington Rhinestone Club Inc
EIN 270038726 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Right to Life
EIN 994171380 · Headquarters: TACOMA, WA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Roller Hockey Association
EIN 413354999 · Headquarters: Seattle, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Roundtable
EIN 911215738 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Washington Rowing Stewards
EIN 262234259 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Rural Electric Cooperative Association
EIN 911236389 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Rural Environmental Network
EIN 993422078 · Headquarters: Reardan, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Rural Health Association
EIN 911640107 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Washington Rural Health Collaborative
EIN 900195254 · Headquarters: SHELTON, WA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Scholarship Foundation
EIN 562380251 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington School Administrators Foundation
EIN 823291509 · Headquarters: TUMWATER, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington School Boards Educational Foundation
EIN 943066096 · Headquarters: RICHLAND, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington School Counselor Assn
EIN 260370293 · Headquarters: Auburn, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington School Faculty Fund
EIN 911319067 · Headquarters: Wenatchee, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Washington School Nutrition Chapter Apple Chapter 12
EIN 364721389 · Headquarters: East Wenatchee, WA, US · Food, Agriculture & Nutrition · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Washington School Personnel Association
EIN 911199007 · Headquarters: Tumwater, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington School Safety Organization
EIN 300063344 · Headquarters: Puyallup, WA, US · Crime & Legal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Washington School-Based Health Alliance
EIN 450937382 · Headquarters: Seattle, WA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Schoolgirls Lacrosse Association
EIN 911711420 · Headquarters: Mill Creek, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Schools Foundation
EIN 201872731 · Headquarters: vashon, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Science Olympiad
EIN 911797289 · Headquarters: Kelso, WA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Science Teachers Association
EIN 237115030 · Headquarters: VANCOUVER, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington Scottish Pipe Band
EIN 911542800 · Headquarters: Auburn, WA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Scuba Alliance USA
EIN 911568264 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Seaplane Pilots Association
EIN 810658555 · Headquarters: Redmond, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Washington Security Forces Association
EIN 208210801 · Headquarters: Airway Heights, WA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Washington Self Storage Association
EIN 912152400 · Headquarters: AUBURN, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Washington Self-insurers Assoc
EIN 910985781 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Seminary
EIN 911973036 · Headquarters: Redmond, WA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Washington Sensible Shorelines Association
EIN 800508969 · Headquarters: BELLEVUE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Sentinels
EIN 815413148 · Headquarters: VANCOUVER, WA, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Washington Shakespeare Festival Celebration
EIN 874644306 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Shooting Sports Association
EIN 872238113 · Headquarters: BELLEVUE, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Shotokan Association
EIN 910948439 · Headquarters: Bellevue, WA, United States · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Washington Ski Touring Club
EIN 911420367 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Society of Audiology
EIN 911415676 · Headquarters: Edmonds, WA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Washington Society of Certified Public A
EIN 910462093 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Society of Plastic Surgeons
EIN 911275679 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Society of Professional Engineers
EIN 263439946 · Headquarters: Spokane, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Washington Society of Professional Engineers
EIN 263439974 · Headquarters: Kent, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Society of Professional Engineers
EIN 263439978 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Society of Professional Engineers
EIN 263440002 · Headquarters: Richland, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Washington Society of Professional Engineers
EIN 263444621 · Headquarters: Bremerton, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Washington Society of Professional Engineers
EIN 263487381 · Headquarters: Redmond, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Society of Professional Engineers
EIN 263499295 · Headquarters: Wenatchee, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Washington Society of Professional Engineers
EIN 916035854 · Headquarters: Spokane, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Washington Society of Professional Engineers Educational Foundation
EIN 911185123 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Society of Professional Soil Scientists
EIN 900621130 · Headquarters: Mount Vernon, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Washington Software Professionals & Engineers Community
EIN 464929114 · Headquarters: Kirkland, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Washington Solar Energy Industry Association
EIN 463902968 · Headquarters: SEATTLE, WA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Speech Language Hearing Association
EIN 237229743 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Washington Speed-gidican
EIN 208398475 · Headquarters: Burley, WA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Washington Spirit 10U
EIN 452865571 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Washington Sporting Clays Associati On
EIN 384095631 · Headquarters: Snohomish, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington St Animal Response Team Dba Wasart
EIN 260295234 · Headquarters: ENUMCLAW, WA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Washington St District 8
EIN 911874769 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Washington St Soc of Orthodontists
EIN 911079903 · Headquarters: KIRKLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington Stampeders Llc
EIN 912191545 · Headquarters: Lynnwood, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Stars Quilt Guild
EIN 912122292 · Headquarters: OLYMPIA, WA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington STATE 4-H Fair Board Inc
EIN 916060537 · Headquarters: VANCOUVER, WA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington State 4-H Foundation
EIN 916055395 · Headquarters: Bothell, WA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington State Academy of Audiology
EIN 451135831 · Headquarters: EVERETT, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Washington State Academy of Pediatric Dentists
EIN 911449274 · Headquarters: LAKEWOOD, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington State Academy of Physicians Assistants
EIN 910953376 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington State Academy of Sciences
EIN 680668369 · Headquarters: Seattle, WA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington State Agricultural Legal Foundation
EIN 911562218 · Headquarters: ELMA, WA, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington State Alliance for Retired Americans
EIN 811322978 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington State American Legion Baseball Foundation
EIN 264232947 · Headquarters: Lacey, WA, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Washington State Apple Blossom Festival
EIN 910539791 · Headquarters: WENATCHEE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington State Archery Ass
EIN 916032722 · Headquarters: Puyallup, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Washington State Arts Alliance
EIN 911061731 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Washington State Arts Alliance Foundatio
EIN 910994462 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington State Assn of Drug Court Professionals
EIN 911944554 · Headquarters: Burien, WA, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Washington State Assoc of Broadcasters
EIN 910646014 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington State Assoc of County and Regional Planning Directors
EIN 911067149 · Headquarters: Colville, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington State Assoc of Electrical Workers
EIN 911230467 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington State Association for Community Action
EIN 911401296 · Headquarters: Olympia, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Washington State Association for Curriculum and Supervision Development
EIN 510195325 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington State Association for Justice
EIN 237068627 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington State Association for Justice Foundation
EIN 911940182 · Headquarters: SEATTLE, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington State Association for Play Therapy
EIN 263343703 · Headquarters: SPOKANE, WA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington State Association of Activity Professionals
EIN 911295025 · Headquarters: Odessa, WA, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Washington State Association of College Trustees
EIN 916170857 · Headquarters: OLYMPIA, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington State Association of Counties
EIN 916056479 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington State Association of County Engineers
EIN 911168824 · Headquarters: OLYMPIA, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington State Association of County O Officials
EIN 916017001 · Headquarters: OLYMPIA, WA, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington State Association of County Treasurers
EIN 911201568 · Headquarters: Kelso, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington State Association of Emergency Services Directors
EIN 911228753 · Headquarters: Olympia, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington State Association of Fire Marshals
EIN 911502012 · Headquarters: Olympia, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Washington State Association of Head State and ECEA Programs
EIN 237444962 · Headquarters: Kirkland, WA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990