Nonprofits in Seattle, Washington
Nonprofits in Seattle, Washington. Browse 7,909 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
- Simple Education Foundation USA
EIN 824044842 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Simple Measures
EIN 202241977 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Simple Path
EIN 274065771 · Headquarters: Seattle, WA, US · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Simulated Immersive Experimental Realities
EIN 822605967 · Headquarters: SEATTLE, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Singh Family Foundation Washington
EIN 474878261 · Headquarters: SEATTLE, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Sir Herbert Read Consortium
EIN 917900952 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sister Schools Inc
EIN 911617318 · Headquarters: Seattle, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sisters Legacy Foundation
EIN 331735342 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sisters of Perpetual Indulgence
EIN 911743600 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sisters of St Francis
EIN 746346248 · Headquarters: SEATTLE, WA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skadd's Foundation
EIN 822432042 · Headquarters: SEATTLE, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Skandia Folkdance Society
EIN 911050465 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Skate Journeys
EIN 264061263 · Headquarters: Seattle, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skate Like a Girl
EIN 262500555 · Headquarters: SEATTLE, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skateistan
EIN 270729804 · Headquarters: SEATTLE, WA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skeleton House
EIN 992090107 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skelligs Inc
EIN 931250187 · Headquarters: SEATTLE, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Skeptical Science Inc
EIN 854179297 · Headquarters: Seattle, WA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sketchfest
EIN 912151956 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Skihawks Racing Team a Not for Profit Corporation
EIN 651192984 · Headquarters: SEATTLE, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Skills Development Organization
EIN 932608330 · Headquarters: Seattle, WA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skunk Bay Lighthouse Association
EIN 473330641 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skunk Works Robotics Booster Club
EIN 813818495 · Headquarters: SEATTLE, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Skyline Appreciation Club
EIN 872129977 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skyline at First Hill Residents' Association
EIN 271979966 · Headquarters: SEATTLE, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Skysthelimit Org
EIN 274333255 · Headquarters: SEATTLE, WA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- 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
- Skyway Solutions Cda
EIN 272975837 · Headquarters: Seattle, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990
- Slighe Nan Gaidheal
EIN 911812158 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- 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
- Small Faces Child Development Center
EIN 910954405 · Headquarters: Seattle, WA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990
- Smart
EIN 911692147 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smart Buildings Center
EIN 811970869 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Smhi Endowment Investments Inc
EIN 910977243 · Headquarters: Seattle, WA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Smiles Forever
EIN 912124636 · Headquarters: SEATTLE, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smired Foundation
EIN 923703643 · Headquarters: SEATTLE, WA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Smith College
EIN 061303057 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2012 · 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
- Sneaky Cat Acting Academy
EIN 800843509 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sno-king International Folk Dance Club
EIN 841137095 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sno-king Marine Mammal Response
EIN 822965820 · Headquarters: SEATTLE, WA, US · Animal Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Snohomish County Clothing and Textile Advisors
EIN 911983396 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Snohomish County Dental Foundation
EIN 911630893 · Headquarters: Seattle, WA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Snohomish County Dental Society
EIN 916055794 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Snohomish County Medical Society
EIN 916037282 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Soapbox Project
EIN 993419911 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Soaring Eagle Foundation
EIN 943379930 · Headquarters: SEATTLE, WA, US · Housing & Shelter · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Social Justice Film Institute
EIN 861781669 · Headquarters: Seattle, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Social Justice Fund Northwest
EIN 911036971 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Social Plastic Recycling Foundation
EIN 825124485 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Social Venture Partners
EIN 911894424 · Headquarters: SEATTLE, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990
- Social Venture Partners International
EIN 680492186 · Headquarters: Seattle, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for American Music
EIN 510172617 · Headquarters: SEATTLE, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Biomaterials at Uw
EIN 843186174 · Headquarters: Seattle, WA, US · Science & Technology · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Society for Chinese Studies Librarians
EIN 273009443 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for Collegiate Travel & Expense Management
EIN 364828293 · Headquarters: SEATTLE, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Ecological Restoration - Northwest Chapter
EIN 911887460 · Headquarters: Seattle, WA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Features Journalism
EIN 942941661 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for Japanese Studies
EIN 237411578 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Management Information Systems
EIN 911029899 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Marketing Professional Services Seattle Chapter
EIN 911289881 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Neuroscience
EIN 710962941 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Philosophy and Technology
EIN 351583682 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Plant Signaling and Behavior
EIN 223952634 · Headquarters: SEATTLE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Preservation & Encourmt of Barbershop Quartet Singing Amer
EIN 916055018 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Social Work Leadership in Healthcare - Wa Chapter
EIN 450596348 · Headquarters: Seattle, WA, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Society for the Advancement of Geriatric Anesthesia
EIN 912170513 · Headquarters: Seattle, WA, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for the Advancement of Material and Process Engineering
EIN 472765579 · Headquarters: seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Society for Veterinary Medical Ethics
EIN 911723683 · Headquarters: SEATTLE, WA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Air Light Time Space Spc
EIN 853256035 · Headquarters: SEATTLE, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society of American Military Engineers Seattle Post
EIN 916056809 · Headquarters: Seattle, WA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society of Broadcast Engineers Chapter 16
EIN 943040232 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Counsel Representing Accused Persons
EIN 910984541 · Headquarters: Seattle, WA, USA · Crime & Legal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Society of Fire Protection Engineers Pacific Nw Inc
EIN 916064788 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Society of Flight Test Engineers
EIN 910843657 · Headquarters: SEATTLE, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society of Gastroenterology Nurses and Associates Inc
EIN 364235451 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Society of Hispanic Professional Engineers Puget Sound Chapter
EIN 911340842 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Port Engineers of Puget Sound
EIN 916058402 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Professional Journalists
EIN 916055570 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul Council O
EIN 910583891 · Headquarters: SEATTLE, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Women Engineers
EIN 800607168 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Socks on My Hands Productions
EIN 932218307 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Socrata Foundation
EIN 472755835 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Sodo Business Association
EIN 911615397 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- SODO Business Improvement Area
EIN 471278728 · Headquarters: Seattle, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sodo Rotary Foundation
EIN 270887955 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- SODO Service Fund
EIN 923042404 · Headquarters: Seattle, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Solar Pie
EIN 270826135 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Solar Washington
EIN 912083819 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Solarize Puerto Rico
EIN 823892711 · Headquarters: SEATTLE, WA, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Solid Ground
EIN 237421892 · Headquarters: Seattle, WA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Solidarity Project
EIN 475383830 · Headquarters: Seattle, WA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Solstice Symphony Orchestra
EIN 923822235 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Solution Group -Aa Meeting-
EIN 320466717 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Somaforlife
EIN 475521902 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Somali American Association
EIN 264725398 · Headquarters: SEATTLE, WA, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Somali Bantu Rising
EIN 991811819 · Headquarters: Seattle, WA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Somali Community Services of Seattle
EIN 911746056 · Headquarters: SEATTLE, WA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990