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
- Seattle Housing and Resource Effort
EIN 911577965 · Headquarters: Seattle, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Ideas
EIN 833963108 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Seattle Immersive Technology Association
EIN 813669514 · Headquarters: Snohomish, WA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seattle Improvised Music
EIN 202739252 · Headquarters: seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Seattle Indian Center
EIN 910877683 · Headquarters: SEATTLE, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Seattle Indian Health Board
EIN 910869056 · Headquarters: Seattle, WA, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990
- Seattle Indian Music Academy
EIN 263601862 · Headquarters: Renton, WA, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Seattle Indies
EIN 814423414 · Headquarters: Seattle, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seattle Indivisible
EIN 821649239 · Headquarters: Seattle, WA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seattle Industry Foundation
EIN 203812716 · Headquarters: SEATTLE, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Infant Development Center
EIN 911081496 · Headquarters: SEATTLE, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Infinity Math Circle
EIN 464086186 · Headquarters: Bellevue, WA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seattle Initiative Through Technology and Innovation
EIN 831538165 · Headquarters: Seattle, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990
- Seattle Institute For Cardiac Research
EIN 912029051 · Headquarters: Carnation, WA, USA · Medical Research · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Seattle Institute for Early Childhood Development
EIN 910894463 · Headquarters: Seattle, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Institute for Sex Therapy Education and Research
EIN 510183777 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Institute of East Asian Medicine
EIN 271791496 · Headquarters: SEATTLE, WA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990
- Seattle Interactive Computer Museum
EIN 933272401 · Headquarters: SEATTLE, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Interactive Media-lab
EIN 992957688 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Seattle Interbay Eagles Football Club
EIN 462749573 · Headquarters: Seattle, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle International Foundation
EIN 208350995 · Headquarters: SEATTLE, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle International Piano Festival
EIN 264041105 · Headquarters: Issaquah, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seattle International Randonneurs
EIN 912008059 · Headquarters: Bremerton, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Seattle International Transplant Nurses Society
EIN 911690029 · Headquarters: SEATTLE, WA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Seattle Internet Exchange
EIN 912148657 · Headquarters: Seattle, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Seattle Is Creative
EIN 851220608 · Headquarters: renton, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Seattle It Japanese Professionals
EIN 473181362 · Headquarters: Bellevue, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle J24 World Championship Committee
EIN 931354690 · Headquarters: Seattle, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Japanese Choral Society
EIN 203961274 · Headquarters: Bellevue, WA, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Seattle Japanese School
EIN 421554112 · Headquarters: BELLEVUE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Japanese School Pta
EIN 550912563 · Headquarters: BELLEVUE, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Jaycees Charities
EIN 911260754 · Headquarters: Edmonds, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Seattle Jazz Fellowship
EIN 861265572 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Jazz Guitar Society
EIN 205002307 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Seattle Jazz Orchestra Dba Seattle Repertory Jazz Orchestra
EIN 911928901 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle JazzED
EIN 271440873 · Headquarters: Seattle, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Jewish Chorale
EIN 852389815 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seattle Jobs Initiative
EIN 470900181 · Headquarters: SEATTLE, WA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Joy of Singing Arts Foundation
EIN 364754500 · Headquarters: Everett, WA, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Seattle Jr Totems
EIN 364591716 · Headquarters: SEATTLE, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Seattle Junior Golf Foundation
EIN 912116912 · Headquarters: SEATTLE, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Junior Hockey Association
EIN 237421219 · Headquarters: MOUNTLAKE TERRACE, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Junior Hockey Association Endowment Fund
EIN 911428624 · Headquarters: Mountlake Terrace, WA, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Seattle Junior Tamburitzans
EIN 911502267 · Headquarters: WENATCHEE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seattle Kendo Kai
EIN 911154802 · Headquarters: Kent, WA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seattle Ki Society
EIN 911281728 · Headquarters: OLYMPIA, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seattle Kings Womens Lacrosse
EIN 464609888 · Headquarters: Newcastle, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Seattle Kobe Sister City Association
EIN 237034425 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Korean Cultural Center
EIN 863391928 · Headquarters: FEDERAL WAY, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Kraken Alumni Association
EIN 853676634 · Headquarters: RUSTON, WA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Kumamoto Kenjin Kai
EIN 911059405 · Headquarters: Renton, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Labor Chorus
EIN 911839904 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seattle Ladies Choir
EIN 611862400 · Headquarters: Seattle, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Laser Fleet
EIN 463535475 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Seattle Latino Film Festival
EIN 455363567 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seattle Leadership Academy LLC
EIN 931666911 · Headquarters: Bellevue, WA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Leather Service Corps
EIN 863884300 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Letter Carriers Building Association Inc
EIN 916057767 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Seattle Lighthouse for the Blind Foundation
EIN 161648213 · Headquarters: SEATTLE, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Lilla Spelmanslag
EIN 453763875 · Headquarters: Kennewick, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Limbe Sister City Association
EIN 824712854 · Headquarters: SEATTLE, WA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Live Aloha Hawaiian Cultural Festival
EIN 831556927 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Seattle Luminous Wisdom
EIN 823847107 · Headquarters: Bellevue, WA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Maharashtra Mandal
EIN 911599770 · Headquarters: Redmond, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seattle Mandolin Orchestra
EIN 271373551 · Headquarters: KIRKLAND, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Manna Mission
EIN 874469203 · Headquarters: Des Moines, WA, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seattle Master Builders Association
EIN 943070918 · Headquarters: BELLEVUE, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990
- Seattle Medical Research Foundation
EIN 237425590 · Headquarters: Seattle, WA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Seattle Meditation Center
EIN 470901378 · Headquarters: SEATTLE, WA, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990
- Seattle Men in Leather
EIN 911446928 · Headquarters: Seattle, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Metro J O
EIN 911285835 · Headquarters: SHORELINE, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Seattle Metro Pickleball Association
EIN 822938882 · Headquarters: Seattle, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Metro Softball Umpires Association
EIN 911100263 · Headquarters: KIRKLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Seattle Metropolitan Aquatic Club
EIN 911693654 · Headquarters: SEATTLE, WA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990
- Seattle Metropolitan Chamber Orchestra
EIN 272107541 · Headquarters: Seattle, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seattle Metropolitan Latino Chamber of Commerce
EIN 821455917 · Headquarters: Seattle, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Seattle Metropolitan Police Museum
EIN 911873407 · Headquarters: ELLENSBURG, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Seattle Metropolitan Youth Lacrosse Association
EIN 454072140 · Headquarters: Seattle, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Microfinance Organization
EIN 260871378 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Seattle Mideast Awareness Campaign
EIN 272672428 · Headquarters: SEATTLE, WA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Seattle Milk Fund Inc
EIN 910619698 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Seattle Mime Theatre
EIN 911346775 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Seattle Mongolian Youth Center
EIN 823571377 · Headquarters: BOTHELL, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Seattle Mountaineers
EIN 208095472 · Headquarters: Monroe, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Municipal Court Marshals Guild
EIN 912065330 · Headquarters: SEATTLE, WA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Music for Change
EIN 352400806 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Seattle Music Partners
EIN 208258002 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Seattle Musicians Access to Sustainable Healthcare
EIN 811717061 · Headquarters: Seattle, WA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Nantes Sister City Association
EIN 911107540 · Headquarters: BRIER, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Nativity School
EIN 453088244 · Headquarters: Seattle, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Nativity School
EIN 824724247 · Headquarters: Seattle, WA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Nature Alliance
EIN 471223792 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Neighborhood Greenways
EIN 464559223 · Headquarters: SEATTLE, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Neighborhood Group
EIN 943098473 · Headquarters: SEATTLE, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Nordic
EIN 823817396 · Headquarters: Bellevue, WA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Seattle Nursing Research Consortium
EIN 471241935 · Headquarters: Everett, WA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seattle Officials Womens Basketball
EIN 911004910 · Headquarters: FEDERAL WAY, WA, USA · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Seattle Online Broadcasters Association
EIN 862999621 · Headquarters: SPOKANE, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Opera
EIN 910760426 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Opera Foundation
EIN 911174712 · Headquarters: SEATTLE, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990