Data / Nonprofits / Washington / Seattle
Nonprofits in Seattle, WA: 5,997 registered with the IRS
5,997 nonprofits are registered with the IRS in Seattle, WA, 5,178 of them 501(c)(3) charities; the 2,581 that report revenue took in $36.73 billion. The largest by revenue: Providence Health & Services Oregon ($5.91 billion), Seattle Childrens Hospital ($3.07 billion), Fred Hutchinson Cancer Center ($2.53 billion). Most common causes: arts, culture and humanities (698), education (591), philanthropy, voluntarism and grantmaking foundations (405).
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The 500 largest by revenue
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Providence Health & Services Oregon | Health care | 501(c)(3) | 2001 | $5.91 billion | $4.69 billion | 2024-12 |
| Seattle Childrens Hospital | Health care | 501(c)(3) | 1986 | $3.07 billion | $5.98 billion | 2025-09 |
| Fred Hutchinson Cancer Center | Health care | 501(c)(3) | 2000 | $2.53 billion | $3.60 billion | 2025-06 |
| Providence Health System-Southern California | Health care | 501(c)(3) | 1946 | $2.33 billion | $3.53 billion | 2024-12 |
| CHP of Washington | Health care | 501(c)(4) | 2002 | $1.89 billion | $478.8 million | 2025-12 |
| Delta Dental of Washington | Health care | 501(c)(4) | 1960 | $1.83 billion | $258.7 million | 2024-12 |
| Virginia Mason Medical Center | Health care | 501(c)(3) | 1935 | $1.39 billion | $1.03 billion | 2025-06 |
| Sea Mar Community Health Centers | Health care | 501(c)(3) | 1978 | $578.2 million | $465 million | 2025-03 |
| Providence Health & Services Mt | Health care | 501(c)(3) | 1946 | $563.3 million | $431.8 million | 2024-12 |
| Seattle University | 501(c)(3) | 1992 | $520.5 million | $1.11 billion | 2025-06 | |
| Association of University Physicians | Education | 501(c)(3) | 1993 | $518.7 million | $402.2 million | 2025-06 |
| Seiu Healthcare NW Health Benefits Trust | Mutual and membership benefit | 501(c)(9) | 2007 | $504.1 million | $588.2 million | 2025-06 |
| Providence Saint Johns Health Center | Health care | 501(c)(3) | 2026 | $499.5 million | $523.1 million | 2024-12 |
| Washington Teamster Welfare Trust | 501(c)(9) | 1959 | $389.2 million | $405.2 million | 2025-06 | |
| Path | International, foreign affairs and national security | 501(c)(3) | 1982 | $321.9 million | $382.2 million | 2025-12 |
| Swedish Edmonds | Health care | 501(c)(3) | 2013 | $321 million | $280.1 million | 2024-12 |
| Catholic Community Services of Western Washington | Human services | 501(c)(3) | 1946 | $317.2 million | $176 million | 2025-06 |
| The Association of CHRMC and University Physicians | Health care | 501(c)(3) | 1986 | $315.2 million | $72.2 million | 2025-06 |
| The Seattle Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1947 | $314.7 million | $1.45 billion | 2024-12 |
| Community Health Network of Washington | 501(c)(4) | 1995 | $313.3 million | $324.9 million | 2025-12 | |
| Maxaid | Diseases, disorders and medical disciplines | 501(c)(3) | 2017 | $309.1 million | $73.6 million | 2024-12 |
| Allen Institute | Medical research | 501(c)(3) | 2004 | $272.1 million | $367.1 million | 2024-12 |
| Seattle Childrens Foundation | 501(c)(3) | 1981 | $232.1 million | $2.7 million | 2025-09 | |
| Locals 302 and 612 of the Internatl Union of Operating Engineers Const | 501(c)(9) | 1954 | $194.3 million | $325 million | 2025-03 | |
| University of Washington Foundation | Education | 501(c)(3) | 1988 | $193.8 million | $21 million | 2025-06 |
| Greater Good Charities | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $173.2 million | $24.4 million | 2025-06 |
| San Francisco Culinary Bartenders & Service Employees Welfare Fund | 501(c)(9) | 1968 | $168.9 million | $132.4 million | 2025-03 | |
| Bloodworks | Health care | 501(c)(3) | 1980 | $167.5 million | $116.9 million | 2025-06 |
| Food Lifeline | Food, agriculture and nutrition | 501(c)(3) | 1980 | $156.5 million | $30.4 million | 2025-06 |
| The Young Mens Christian Association of Greater Seattle | Human services | 501(c)(3) | 1942 | $149.7 million | $269.5 million | 2025-12 |
| California Service Employees Health and Welfare Trust Fund | 501(c)(9) | 1955 | $149.2 million | $181.3 million | 2025-04 | |
| Evergreen Goodwill of Northwest Washington | 501(c)(3) | 1925 | $149.1 million | $128.3 million | 2025-06 | |
| Teamsters Local Union 856 Health and Welfare Fund | 501(c)(9) | 1966 | $138.5 million | $89.3 million | 2025-06 | |
| Puget Sound Electrical Workers Healthcare Trust Fund | 501(c)(9) | 1958 | $138.1 million | $54.1 million | 2025-07 | |
| Seattle Pacific University | Education | 501(c)(3) | 1943 | $136.3 million | $321.1 million | 2025-06 |
| International Community Health Services | Health care | 501(c)(3) | 1976 | $126.2 million | $117.5 million | 2025-12 |
| Lakeside School | Education | 501(c)(3) | 1952 | $125.3 million | $590.5 million | 2025-06 |
| Washington Institute for Coagulation | Diseases, disorders and medical disciplines | 501(c)(3) | 2018 | $112.7 million | $87.8 million | 2025-06 |
| Seattle Theatre Group | Arts, culture and humanities | 501(c)(3) | 1995 | $111.1 million | $100.4 million | 2025-08 |
| Uw Physicians Network | Education | 501(c)(3) | 1997 | $109.8 million | $62.4 million | 2025-06 |
| Low Income Housing Institute | 501(c)(3) | 1997 | $108.6 million | $490.1 million | 2024-12 | |
| Pioneer Human Services | Human services | 501(c)(3) | 1972 | $105.3 million | $81.4 million | 2024-12 |
| Downtown Emergency Service Center | Mental health and crisis intervention | 501(c)(3) | 1985 | $103.4 million | $132.8 million | 2024-12 |
| Lighthouse for the Blind Inc | 501(c)(3) | 1921 | $98.1 million | $65.8 million | 2025-09 | |
| Heating Piping & Refrigeration Medical Fund | 501(c)(9) | 1951 | $92.6 million | $181.1 million | 2024-12 | |
| Neighborcare Health | Health care | 501(c)(3) | 1978 | $92.2 million | $78.1 million | 2025-12 |
| The Seattle Academy of Arts and Sciences | Education | 501(c)(3) | 1984 | $91.7 million | $334 million | 2025-06 |
| Seattle Childrens Healthcare System | Health care | 501(c)(3) | 1984 | $90.7 million | $1.46 billion | 2025-09 |
| Woodland Park Zoological Society | Animal-related | 501(c)(3) | 1967 | $83.7 million | $102.4 million | 2024-12 |
| Comagine Health | 501(c)(3) | 1988 | $82.6 million | $66.4 million | 2025-09 | |
| Benaroya Research Institute at Virginia Mason | Medical research | 501(c)(3) | 1958 | $81.3 million | $95.5 million | 2025-06 |
| Planned Parenthood Great Northwest Hawaii Alaska Indiana & Ky Inc | Health care | 501(c)(3) | 1948 | $78.6 million | $111.8 million | 2024-12 |
| Swedish Medical Center Foundation | Health care | 501(c)(3) | 1978 | $77.1 million | $201.9 million | 2024-12 |
| Salal Credit Union | 501(c)(14) | 1954 | $76.2 million | $1.18 billion | 2024-12 | |
| Western Teamsters Welfare Trust | 501(c)(9) | 1963 | $73.3 million | $171.5 million | 2025-08 | |
| Seattle Metropolitan Credit Union | 501(c)(14) | 1954 | $71 million | $1.10 billion | 2024-12 | |
| Plymouth Housing Group | Housing and shelter | 501(c)(3) | 1980 | $69.5 million | $356.5 million | 2024-12 |
| Archdiocesan Housing Authority | Housing and shelter | 501(c)(3) | 1946 | $66.6 million | $170.5 million | 2025-06 |
| Bellwether Housing | 501(c)(3) | 1980 | $65.3 million | $400.4 million | 2025-12 | |
| Panorama Global | International, foreign affairs and national security | 501(c)(3) | 2017 | $63.5 million | $67.5 million | 2024-12 |
| Service Employees International Union | 501(c)(5) | 1943 | $63.4 million | $83.8 million | 2024-12 | |
| Caroline Kline Galland Home | Health care | 501(c)(3) | 1976 | $60.9 million | $34.8 million | 2024-12 |
| Healthierhere | Human services | 501(c)(3) | 2024 | $59.1 million | $59.5 million | 2024-12 |
| Oregon Essential Workforce Health Care Fund | Mutual and membership benefit | 501(c)(9) | 2023 | $57 million | $102.3 million | 2024-12 |
| Portage Bay Insurance | Mutual and membership benefit | 501(c)(3) | 2005 | $55.6 million | $187.4 million | 2024-06 |
| Printing Specialties & Paper Prod JT Empl & Un Health & Welf Plan | 501(c)(9) | 1957 | $55.6 million | $113.8 million | 2025-01 | |
| Northwest Iron Workers Health & Security Trust | 501(c)(9) | 1958 | $55.4 million | $85.7 million | 2025-06 | |
| Legal Foundation of Washington | Crime and legal-related | 501(c)(3) | 1984 | $55.4 million | $99.6 million | 2024-12 |
| Retirees Welfare Trust | 501(c)(9) | 1966 | $55.3 million | $156.8 million | 2024-12 | |
| Navos | Mental health and crisis intervention | 501(c)(3) | 1968 | $54.3 million | $105 million | 2024-12 |
| Northwest Justice Project | Crime and legal-related | 501(c)(3) | 1995 | $54.1 million | $37.7 million | 2024-12 |
| Seattle Aquarium Society-Seas | Animal-related | 501(c)(3) | 1983 | $54.1 million | $211.4 million | 2024-12 |
| Craft3 | Community improvement and capacity building | 501(c)(3) | 1995 | $53.6 million | $236.7 million | 2024-12 |
| Cascade Public Media | Arts, culture and humanities | 501(c)(3) | 1983 | $53.1 million | $142.9 million | 2025-06 |
| Northwest Harvest E M M | 501(c)(3) | 1975 | $52.8 million | $90.5 million | 2025-06 | |
| Seattle Indian Health Board | Health care | 501(c)(3) | 1971 | $51.3 million | $67.4 million | 2025-09 |
| Evergreen Treatment Services | Mental health and crisis intervention | 501(c)(3) | 1974 | $50.8 million | $25.6 million | 2025-12 |
| Bledsoe Health Trust | 501(c)(9) | 1960 | $50.8 million | $181.6 million | 2025-05 | |
| Providence St Joseph Medical Center | Health care | 501(c)(3) | 1946 | $50.5 million | $42.2 million | 2024-12 |
| Childrens Home Society of Washington | Human services | 501(c)(3) | 1949 | $50.3 million | $54.2 million | 2025-06 |
| United Way of King County | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1953 | $49.7 million | $54.9 million | 2025-06 |
| Young Womens Christian Association of Seattle-King County-Snohomish C | Human services | 501(c)(3) | 1936 | $49.4 million | $300.8 million | 2024-12 |
| City University of Seattle | Education | 501(c)(3) | 1974 | $49.1 million | $50.1 million | 2025-06 |
| Service Employees Health and Welfare Trust | 501(c)(9) | 1972 | $48.7 million | $45.4 million | 2025-04 | |
| Credit Unions in the State of Washington | 501(c)(14) | 1954 | $48.2 million | $771.4 million | 2024-12 | |
| Scholar Fund | Education | 501(c)(3) | 2018 | $45.3 million | $5.2 million | 2023-12 |
| Seiu Healthcare Northwest Training Partnership | Education | 501(c)(3) | 2009 | $44.9 million | $21.5 million | 2025-06 |
| Montlake Futures Fund | Education | 501(c)(3) | 2022 | $44.3 million | $233,276 | 2025-06 |
| Horizon House | Human services | 501(c)(3) | 1964 | $43.9 million | $252.9 million | 2024-12 |
| Unite Here Northwest Health Trust Fund | 501(c)(9) | 1953 | $43.8 million | $108.7 million | 2025-05 | |
| Inatai Foundation | Health care | 501(c)(4) | 2016 | $42.5 million | $2.37 billion | 2024-12 |
| Institute for Systems Biology | Science and technology | 501(c)(3) | 2000 | $42.3 million | $109.3 million | 2024-12 |
| Seiu 775 Benefits Group | Education | 501(c)(3) | 2022 | $41.6 million | $6.8 million | 2025-06 |
| Bush School | Education | 501(c)(3) | 1938 | $41.3 million | $115.1 million | 2025-06 |
| South Bay Hotel Employees Restaurant Employees Welfare Fund | 501(c)(9) | 1962 | $40.7 million | $53 million | 2024-12 | |
| Asian Counseling and Referral Service | Human services | 501(c)(3) | 1975 | $40.4 million | $41.5 million | 2024-12 |
| Teamsters 206 Employers Trust | 501(c)(9) | 1952 | $39.9 million | $60.9 million | 2025-07 | |
| Marys Place Seattle | Human services | 501(c)(3) | 2012 | $39.5 million | $51.7 million | 2025-06 |
| International Association of Machinists & Aerospace Workers | 501(c)(5) | 1940 | $39.1 million | $53.1 million | 2024-12 | |
| Seattle Art Museum | Arts, culture and humanities | 501(c)(3) | 1934 | $38.3 million | $403.5 million | 2025-06 |
| University Preparatory Academy | Education | 501(c)(3) | 1976 | $38.3 million | $173.1 million | 2025-06 |
| Seattle Symphony Orchestra Inc | Arts, culture and humanities | 501(c)(3) | 1928 | $38.1 million | $18.4 million | 2025-08 |
| Experience Learning Community | Arts, culture and humanities | 501(c)(3) | 1994 | $37.4 million | $133.1 million | 2025-12 |
| Neighborhood House Incorporated | Human services | 501(c)(3) | 1959 | $37.3 million | $30.1 million | 2024-12 |
| Purpose Dignity Action | Crime and legal-related | 501(c)(3) | 1970 | $37 million | $22.3 million | 2024-12 |
| Mira Bella | Housing and shelter | 501(c)(3) | 2006 | $36.8 million | $175.2 million | 2025-09 |
| Seattle-King County Convention and Visitors Bureau | 501(c)(6) | 1994 | $36.5 million | $17.8 million | 2024-12 | |
| Lifelong Health for All | Diseases, disorders and medical disciplines | 501(c)(3) | 1983 | $36.2 million | $8.7 million | 2024-12 |
| Urban League of Metropolitan Seattle | 501(c)(3) | 1947 | $34.4 million | $50.6 million | 2025-06 | |
| Committee for Children | Crime and legal-related | 501(c)(3) | 1975 | $34.2 million | $25.9 million | 2026-03 |
| Northwest Plumbing & Pipe Fitting Industry Health & Welfare & Vacati | 501(c)(9) | 1954 | $33.2 million | $53.1 million | 2024-12 | |
| Carrix Inc Benefits Trust | 501(c)(9) | 1988 | $33 million | $15.9 million | 2024-12 | |
| Agc-International Union of Operating Engineers | 501(c)(9) | 1956 | $32.9 million | $78.2 million | 2024-12 | |
| Nia Tero Foundation | Environment | 501(c)(3) | 2018 | $32.9 million | $80.6 million | 2024-12 |
| Solid Ground Washington | Housing and shelter | 501(c)(3) | 1975 | $31.8 million | $21.8 million | 2024-12 |
| Crisis Connections | Mental health and crisis intervention | 501(c)(3) | 1964 | $31.3 million | $11.7 million | 2025-12 |
| Seattle Roots Community Health | Health care | 501(c)(3) | 1971 | $31 million | $19.2 million | 2024-12 |
| Provail | Diseases, disorders and medical disciplines | 501(c)(3) | 1997 | $30.9 million | $17.1 million | 2025-06 |
| Downtown Seattle Cares | Community improvement and capacity building | 501(c)(3) | 2024 | $30.7 million | $44.2 million | 2025-06 |
| Montana Teamsters Employers Trust 1014 RRB No | 501(c)(9) | 1963 | $30.7 million | $45.9 million | 2025-06 | |
| Machinists Health and Welfare Trust Fund | 501(c)(9) | 1989 | $29.9 million | $59.5 million | 2025-07 | |
| Pacific Northwest Ballet Association | Arts, culture and humanities | 501(c)(3) | 1973 | $29.5 million | $31 million | 2025-06 |
| Villagereach | Education | 501(c)(3) | 2001 | $28.9 million | $20 million | 2025-09 |
| Therapeutic Health Services | Mental health and crisis intervention | 501(c)(3) | 1973 | $28.3 million | $31.3 million | 2024-12 |
| Treehouse | Youth development | 501(c)(3) | 1989 | $28.2 million | $37.5 million | 2025-06 |
| Seattle-King County Workforce Development Council | Employment | 501(c)(3) | 2000 | $28.1 million | $6.1 million | 2025-06 |
| Alaska Laborers Construction Industry Health & Security Fund | 501(c)(9) | 1954 | $25.4 million | $33.4 million | 2025-06 | |
| Seattle Institute for Biomedical and Clinical Research | Medical research | 501(c)(3) | 1990 | $25.3 million | $20.9 million | 2025-09 |
| Chief Seattle Club | Human services | 501(c)(3) | 1970 | $25.3 million | $103.3 million | 2025-12 |
| Jewish Family Service | Human services | 501(c)(3) | 1942 | $25.3 million | $59.5 million | 2025-06 |
| Code Org | Education | 501(c)(3) | 2012 | $25.2 million | $68.1 million | 2025-08 |
| Kuow-Puget Sound Public Radio | Arts, culture and humanities | 501(c)(3) | 2001 | $24.7 million | $30.3 million | 2025-06 |
| Sage Bionetworks | Science and technology | 501(c)(3) | 2010 | $24.5 million | $8.2 million | 2024-12 |
| Kin On Health Care Center | Health care | 501(c)(3) | 1994 | $24.1 million | $39.4 million | 2024-12 |
| Altius Institute for Biomedical Sciences | Medical research | 501(c)(3) | 2017 | $24 million | $14.9 million | 2025-12 |
| Cement Masons and Plasterers Health and Welfare Trust | 501(c)(9) | 1981 | $24 million | $40.4 million | 2025-03 | |
| Perigee Fund | Mental health and crisis intervention | 501(c)(3) | 2019 | $23.9 million | $20.6 million | 2024-12 |
| Community House Mental Health Agency | Mental health and crisis intervention | 501(c)(3) | 1976 | $23.7 million | $32.1 million | 2024-12 |
| The Northwest School of the Arts Humanities and Environment | Education | 501(c)(3) | 1979 | $23.7 million | $75.1 million | 2025-06 |
| Seattle Childrens Guild Association | 501(c)(3) | 1988 | $22.9 million | $242,324 | 2025-09 | |
| Northwest Immigrant Rights Project | 501(c)(3) | 1992 | $22.9 million | $25.2 million | 2024-12 | |
| Dbia Services | Community improvement and capacity building | 501(c)(6) | 2000 | $22.2 million | $3.5 million | 2025-06 |
| Seattle Opera | Arts, culture and humanities | 501(c)(3) | 1964 | $22.2 million | $70 million | 2025-06 |
| Full Life Care | Human services | 501(c)(3) | 1980 | $21.8 million | $10.5 million | 2025-09 |
| Lutheran Retirement Home of Greater Seattle Inc | Housing and shelter | 501(c)(3) | 1961 | $21.8 million | $72.3 million | 2024-12 |
| National Asian Pacific Center On Aging-Napca | 501(c)(3) | 1982 | $21.7 million | $3.7 million | 2025-06 | |
| 501 Commons | Community improvement and capacity building | 501(c)(3) | 1993 | $21.4 million | $1 million | 2024-12 |
| El Centro de La Raza | Human services | 501(c)(3) | 1976 | $21.4 million | $55.7 million | 2024-12 |
| 5TH Avenue Theatre Association | Arts, culture and humanities | 501(c)(3) | 1980 | $21.1 million | $17.6 million | 2025-07 |
| Compass Housing Alliance | Housing and shelter | 501(c)(3) | 1966 | $21 million | $41 million | 2024-12 |
| Friends of Seattle Waterfront | Community improvement and capacity building | 501(c)(3) | 2014 | $21 million | $25 million | 2024-12 |
| Gates Philanthropy Partners | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $20.7 million | $85.5 million | 2024-12 |
| Seattle Country Day School | Education | 501(c)(3) | 1966 | $20.5 million | $71.9 million | 2025-06 |
| RVC Seattle | Community improvement and capacity building | 501(c)(3) | 2015 | $19.9 million | $16.6 million | 2025-06 |
| Girl Scouts of Western Washington | Youth development | 501(c)(3) | 1965 | $19.8 million | $22.4 million | 2025-09 |
| Sound Generations | Human services | 501(c)(3) | 1982 | $19.5 million | $20.1 million | 2024-12 |
| The Kline Galland Center | Health care | 501(c)(3) | 1982 | $19.4 million | $74.7 million | 2024-12 |
| Pacific Science Center Foundation | Arts, culture and humanities | 501(c)(3) | 1964 | $19.4 million | $32.3 million | 2025-06 |
| Summit Public Schools Washington | Education | 501(c)(3) | 2014 | $19.2 million | $24.7 million | 2025-08 |
| Friends of Kexp | Youth development | 501(c)(3) | 2000 | $18.7 million | $29.4 million | 2025-12 |
| Seattle Drug & Narcotic Center Seadruner | Mental health and crisis intervention | 501(c)(3) | 1969 | $18.7 million | $14.6 million | 2024-12 |
| University Child Development School | Education | 501(c)(3) | 1982 | $18.6 million | $48.5 million | 2025-06 |
| Access To Advanced Health Institute | Medical research | 501(c)(3) | 2007 | $18.4 million | $20.4 million | 2024-12 |
| Vigilant Manufacturers Trust | Mutual and membership benefit | 501(c)(9) | 2019 | $18.1 million | $2.1 million | 2025-09 |
| Hamlin Robinson School | Education | 501(c)(3) | 1986 | $18.1 million | $75.4 million | 2025-06 |
| Youthcare | Human services | 501(c)(3) | 1975 | $18 million | $29.2 million | 2024-12 |
| Seattle International Soccer Local Organizing Committee | Community improvement and capacity building | 501(c)(3) | 2024 | $17.9 million | $10.3 million | 2025-12 |
| Associated Recreation Council | 501(c)(3) | 1977 | $17.7 million | $14.6 million | 2024-12 | |
| Bayview Manor Homes | Human services | 501(c)(3) | 1964 | $17.7 million | $86.6 million | 2024-12 |
| Los Angeles County Facilities Inc | Community improvement and capacity building | 501(c)(3) | 2017 | $17.6 million | $306.2 million | 2025-06 |
| Laboratory Services Cooperative | Health care | 501(c)(3) | 2010 | $17.6 million | $12.5 million | 2025-06 |
| Rainier Scholars | Education | 501(c)(3) | 2000 | $17.5 million | $17.9 million | 2025-06 |
| Ballard Food Bank | 501(c)(3) | 1989 | $17.3 million | $18.4 million | 2025-09 | |
| Refugee Womens Alliance | Human services | 501(c)(3) | 1993 | $17.3 million | $23.3 million | 2024-12 |
| Washingtonfilmworks | Community improvement and capacity building | 501(c)(6) | 2006 | $17.2 million | $32.6 million | 2025-06 |
| Washington State Hospital Association | 501(c)(6) | 1954 | $17.1 million | $33.5 million | 2024-12 | |
| Housing Connector | Housing and shelter | 501(c)(3) | 2019 | $17 million | $6.7 million | 2025-12 |
| Peer Washington | Diseases, disorders and medical disciplines | 501(c)(3) | 1986 | $16.9 million | $9.5 million | 2024-12 |
| Saint John S Cancer Institute | Diseases, disorders and medical disciplines | 501(c)(3) | 1991 | $16.8 million | $34.3 million | 2024-12 |
| First A M E Housing Association | Housing and shelter | 501(c)(3) | 1983 | $16.6 million | $33.6 million | 2024-12 |
| Discovery Institute | 501(c)(3) | 1996 | $16.5 million | $14.5 million | 2025-12 | |
| Artsfund | Arts, culture and humanities | 501(c)(3) | 1969 | $16.1 million | $9.6 million | 2025-09 |
| Global Partnerships | Mental health and crisis intervention | 501(c)(3) | 2003 | $16.1 million | $245.1 million | 2025-06 |
| Southeast Effective Development | Community improvement and capacity building | 501(c)(3) | 2001 | $15.9 million | $75.1 million | 2024-12 |
| Farestart | Employment | 501(c)(3) | 1992 | $15.7 million | $21.9 million | 2025-12 |
| Washington Surveying & Rating Bureau | Mutual and membership benefit | 501(c)(6) | 2002 | $15.7 million | $12.1 million | 2025-12 |
| American Civil Liberties Union of Washington Foundation | Civil rights, social action and advocacy | 501(c)(3) | 1970 | $15.6 million | $62.9 million | 2025-03 |
| Chinese Information and Service | Human services | 501(c)(3) | 1977 | $15.6 million | $12.9 million | 2024-12 |
| TSF Properties | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $15.5 million | $0 | 2024-12 |
| Villa Academy | Education | 501(c)(3) | 1977 | $15.4 million | $26.5 million | 2025-06 |
| Byrd Barr Place | Human services | 501(c)(3) | 1967 | $15 million | $24.1 million | 2024-12 |
| Columbia Lutheran Ministries | Health care | 501(c)(3) | 1963 | $14.7 million | $22.8 million | 2024-12 |
| Jewish Federation of Greater Seattle | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1942 | $14.7 million | $100.3 million | 2025-06 |
| Iron Workers Trust Fund-5 | 501(c)(9) | 1954 | $14.7 million | $61.2 million | 2025-06 | |
| Seattle Repertory Theatre | Arts, culture and humanities | 501(c)(3) | 1965 | $14.6 million | $11.1 million | 2025-06 |
| Seattle Childrens Hospital | 501(c)(3) | 1986 | $14.5 million | $301,809 | 2025-09 | |
| Alaska Airlines 501C9 Welfare Trust | Mutual and membership benefit | 501(c)(9) | 2011 | $14.3 million | $12.9 million | 2024-12 |
| Spokane Fire Firghters Benefit Trust | Mutual and membership benefit | 501(c)(9) | 2015 | $13.8 million | $43.2 million | 2024-12 |
| The Bertschi School | Education | 501(c)(3) | 1978 | $13.6 million | $39.4 million | 2025-06 |
| Shout It Now | Diseases, disorders and medical disciplines | 501(c)(3) | 2008 | $13.6 million | $3.4 million | 2024-12 |
| Summit at First Hill | Human services | 501(c)(3) | 2000 | $13.1 million | $24.8 million | 2024-12 |
| Washington Business Alliance Fund | Community improvement and capacity building | 501(c)(3) | 2014 | $13 million | $569,566 | 2024-12 |
| Seattle Yacht Club | 501(c)(7) | 1921 | $12.9 million | $37.8 million | 2025-10 | |
| Ryther | Human services | 501(c)(3) | 1941 | $12.9 million | $20.6 million | 2024-12 |
| Forterra NW | Environment | 501(c)(3) | 1994 | $12.8 million | $45.5 million | 2024-12 |
| Sand Point Country Club Inc | 501(c)(7) | 1940 | $12.8 million | $27.6 million | 2025-03 | |
| Associated General Contractors of Washington | 501(c)(6) | 1974 | $12.7 million | $67 million | 2024-12 | |
| Boyer Childrens Clinic | Diseases, disorders and medical disciplines | 501(c)(3) | 1986 | $12.7 million | $15.9 million | 2025-12 |
| Operation Sack Lunch | Human services | 501(c)(3) | 1995 | $12.7 million | $10.2 million | 2025-12 |
| Rural Development Institute | Community improvement and capacity building | 501(c)(3) | 2002 | $12.7 million | $19.1 million | 2025-06 |
| B H Music Center | Arts, culture and humanities | 501(c)(3) | 1996 | $12.7 million | $60.5 million | 2025-08 |
| Epiphany School | Education | 501(c)(3) | 1969 | $12.6 million | $41.7 million | 2025-06 |
| Columbia Legal Services | Crime and legal-related | 501(c)(3) | 1976 | $12.6 million | $19 million | 2025-12 |
| King County Bar Association | 501(c)(6) | 1967 | $12.5 million | $6.1 million | 2025-06 | |
| Seattle Tennis Club | 501(c)(7) | 1935 | $12.4 million | $30.3 million | 2024-12 | |
| Greater Seattle Chamber of Commerce | 501(c)(6) | 1993 | $12.3 million | $28.9 million | 2025-08 | |
| Society of St Vincent de Paul Council of Seattle-King County | Human services | 501(c)(3) | 2019 | $12.1 million | $14.9 million | 2025-09 |
| Aging in Pace Washington | Human services | 501(c)(3) | 2022 | $12.1 million | $121,457 | 2025-12 |
| Wellspring Family Services | Human services | 501(c)(3) | 1923 | $12 million | $14.7 million | 2024-12 |
| Service Employees International Union | 501(c)(5) | 1942 | $11.8 million | $17.4 million | 2024-12 | |
| Leisure Care Health Benefits Trust | Mutual and membership benefit | 501(c)(9) | 2022 | $11.7 million | $47,179 | 2025-09 |
| Homestead Community Land Trust | Housing and shelter | 501(c)(3) | 1993 | $11.7 million | $50.7 million | 2024-12 |
| Westside School | Education | 501(c)(3) | 1984 | $11.7 million | $17.5 million | 2025-06 |
| Within Reach | 501(c)(3) | 1993 | $11.5 million | $5.2 million | 2025-06 | |
| Cancer Research and Biostatistics | Medical research | 501(c)(3) | 1998 | $11.3 million | $9.9 million | 2024-12 |
| Washington Trails Association | 501(c)(3) | 1980 | $10.8 million | $16.9 million | 2025-12 | |
| Cascade Bicycle Club | Recreation and sports | 501(c)(3) | 2002 | $10.7 million | $6 million | 2024-12 |
| Broadmoor Golf Club | 501(c)(7) | 1952 | $10.6 million | $21 million | 2025-03 | |
| International Pacific Halibut Commission | Animal-related | 501(c)(3) | 1987 | $10.6 million | $9.2 million | 2025-09 |
| Pride Foundation | Civil rights, social action and advocacy | 501(c)(3) | 1986 | $10.5 million | $52.9 million | 2025-03 |
| Uplift Northwest | Human services | 501(c)(3) | 1944 | $10.5 million | $10.6 million | 2025-12 |
| Sound Child Care Solutions | Education | 501(c)(3) | 2003 | $10.5 million | $5.9 million | 2025-08 |
| Keiro Northwest | Human services | 501(c)(3) | 1975 | $10.5 million | $23.1 million | 2024-12 |
| North Seattle Community College Foundation | Human services | 501(c)(3) | 1988 | $10.4 million | $25.5 million | 2025-06 |
| Grist Magazine Inc | Environment | 501(c)(3) | 2003 | $10.4 million | $11.6 million | 2025-09 |
| Northwest Insulation Workers Welfare Trust | 501(c)(9) | 1957 | $10.2 million | $34.3 million | 2025-06 | |
| Seattle Public Library Foundation | Education | 501(c)(3) | 1981 | $10.1 million | $117.9 million | 2025-12 |
| Masonry Security Plan of Washington | 501(c)(9) | 1977 | $10.1 million | $14.1 million | 2024-12 | |
| Northwest Roofers and Employers Health and Security Trust Fund | 501(c)(9) | 1970 | $10 million | $28 million | 2025-03 | |
| Denise Louie Education Center | Education | 501(c)(3) | 1978 | $10 million | $16.9 million | 2025-10 |
| Northwest Metal Crafts Trust Fund | 501(c)(9) | 1959 | $9.9 million | $14.1 million | 2025-06 | |
| Laborers International Union of North America | 501(c)(5) | 1971 | $9.8 million | $12.6 million | 2025-12 | |
| Omprakash Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $9.6 million | $4 million | 2025-12 |
| Siff | Youth development | 501(c)(3) | 1991 | $9.5 million | $12.4 million | 2024-12 |
| North Seattle Food Connection | 501(c)(3) | 1994 | $9.4 million | $3 million | 2025-06 | |
| Amara | Human services | 501(c)(3) | 1946 | $9.3 million | $12.1 million | 2024-12 |
| Seattle Parks Foundation | Recreation and sports | 501(c)(3) | 1999 | $9.3 million | $15.3 million | 2025-06 |
| Rainier Valley Food Bank | 501(c)(3) | 1996 | $9.3 million | $16.9 million | 2024-12 | |
| Arizona Technology Council Employee Benefit Trust | Mutual and membership benefit | 501(c)(9) | 2021 | $9.2 million | $392,678 | 2024-12 |
| Ipd Breakthrough Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $9.2 million | $19.9 million | 2024-12 |
| Alliance for A Just Society | Community improvement and capacity building | 501(c)(3) | 1994 | $9 million | $13.1 million | 2024-12 |
| Laborers International Union of North America | 501(c)(5) | 1968 | $9 million | $14.1 million | 2025-12 | |
| Artsfund Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $9 million | $45.9 million | 2025-09 |
| Community Passageways | Youth development | 501(c)(3) | 2017 | $8.8 million | $3.6 million | 2024-12 |
| Tisbest Philanthropy | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $8.8 million | $2.2 million | 2025-06 |
| The Max Foundation | Health care | 501(c)(3) | 1998 | $8.6 million | $3.4 million | 2024-12 |
| Seattle Chamber Music Festival | Arts, culture and humanities | 501(c)(3) | 1982 | $8.5 million | $9.9 million | 2025-09 |
| Service Employees International Union | 501(c)(5) | 1942 | $8.5 million | $13.3 million | 2024-12 | |
| Agros International | International, foreign affairs and national security | 501(c)(3) | 1985 | $8.5 million | $9.7 million | 2024-12 |
| United Indians of All Tribes Foundation | 501(c)(3) | 1970 | $8.5 million | $10.2 million | 2024-06 | |
| Washington State Opportunity Scholarship Foundation | Education | 501(c)(3) | 2024 | $8.4 million | $121.8 million | 2025-06 |
| Make-A-Wish Foundation of Alaska & Washington | Health care | 501(c)(3) | 1986 | $8.4 million | $7.5 million | 2025-08 |
| White Center Community Development Association | Community improvement and capacity building | 501(c)(3) | 2002 | $8.3 million | $37.2 million | 2025-12 |
| Community Day School Association | Education | 501(c)(3) | 1977 | $8.3 million | $4.1 million | 2025-06 |
| Washington Community Reinvestment Association | Recreation and sports | 501(c)(3) | 1996 | $8.1 million | $151.6 million | 2025-09 |
| Tubman Center for Health & Freedom | Health care | 501(c)(3) | 2020 | $8 million | $20.3 million | 2025-12 |
| The Mountaineers | Environment | 501(c)(3) | 2011 | $7.9 million | $19.2 million | 2025-09 |
| Big Life Foundation USA | Animal-related | 501(c)(3) | 2011 | $7.9 million | $3.9 million | 2025-12 |
| Arboretum Foundation | Environment | 501(c)(3) | 1937 | $7.9 million | $14.4 million | 2025-06 |
| Meridian School | Education | 501(c)(3) | 1979 | $7.9 million | $22.9 million | 2025-06 |
| Cardea Services | Health care | 501(c)(3) | 2012 | $7.8 million | $6.1 million | 2025-09 |
| Building Changes | Diseases, disorders and medical disciplines | 501(c)(3) | 1993 | $7.7 million | $7.6 million | 2024-12 |
| Camp Fire | Youth development | 501(c)(3) | 1958 | $7.7 million | $7.1 million | 2025-12 |
| Waldorf School Association of Seattle | Education | 501(c)(3) | 1980 | $7.7 million | $14 million | 2025-06 |
| Equity in Education Coalition | Education | 501(c)(3) | 2017 | $7.7 million | $1.7 million | 2023-12 |
| Banchero Disability Partners | 501(c)(3) | 1973 | $7.7 million | $13.9 million | 2024-12 | |
| Children and Youth Justice Center | Crime and legal-related | 501(c)(3) | 2006 | $7.6 million | $4.1 million | 2024-12 |
| Climate Solutions | 501(c)(3) | 1981 | $7.6 million | $5.8 million | 2024-12 | |
| Rainier Club | 501(c)(7) | 1934 | $7.6 million | $11.2 million | 2025-06 | |
| Ronald McDonald House Charities of Western Washington & Alaska | Health care | 501(c)(3) | 1981 | $7.5 million | $43 million | 2024-12 |
| Alliance for Education | Education | 501(c)(3) | 1996 | $7.5 million | $19.6 million | 2024-12 |
| Pacific Northwest Gigapop | Community improvement and capacity building | 501(c)(3) | 2003 | $7.4 million | $29.9 million | 2025-06 |
| Classical 98 1 | Arts, culture and humanities | 501(c)(3) | 2011 | $7.4 million | $12.7 million | 2025-06 |
| Seattle Childrens Theatre Association | Education | 501(c)(3) | 1990 | $7.4 million | $11.2 million | 2025-06 |
| University District Service League | Human services | 501(c)(3) | 1984 | $7.3 million | $6.3 million | 2025-06 |
| Washington Tourism Alliance | Community improvement and capacity building | 501(c)(6) | 2012 | $7.3 million | $2.8 million | 2024-12 |
| Audere | 501(c)(3) | 2019 | $7.3 million | $2 million | 2025-12 | |
| The Seattle School of Theology & Psychology | Education | 501(c)(3) | 2000 | $7.3 million | $4.6 million | 2025-06 |
| Rainier Golf and Country Club | 501(c)(7) | 1951 | $7.3 million | $13 million | 2024-12 | |
| Washington State Charter Schools Association | Education | 501(c)(3) | 2014 | $7.2 million | $6.5 million | 2024-12 |
| Operative Plasterers & Cement Masons International Association | 501(c)(5) | 1960 | $7.2 million | $21.4 million | 2025-05 | |
| Pacific Northwest Research Institute | Medical research | 501(c)(3) | 1958 | $7.2 million | $13.8 million | 2025-09 |
| Africatown Community Land Trust | Housing and shelter | 501(c)(3) | 2019 | $7.2 million | $21.4 million | 2024-12 |
| Knickerbocker Properties Inc XII | 501(c)(25) | 1996 | $7.2 million | $188 million | 2025-06 | |
| Special Olympics Washington | 501(c)(3) | 1976 | $7.2 million | $7.6 million | 2024-12 | |
| White Center Emergency Food Association | 501(c)(3) | 1982 | $7.2 million | $10.4 million | 2025-12 | |
| Homesight | 501(c)(3) | 1995 | $7.2 million | $67.9 million | 2024-12 | |
| Rainier Prep | Education | 501(c)(3) | 2014 | $7.1 million | $4.2 million | 2025-08 |
| Excellent Schools Washington | Education | 501(c)(3) | 2025 | $7.1 million | $9.5 million | 2026-06 |
| Seattle United FC | 501(c)(3) | 2009 | $7.1 million | $5.3 million | 2025-05 | |
| Mount Baker Housing Association | Housing and shelter | 501(c)(3) | 1993 | $7 million | $81.4 million | 2024-12 |
| Environmental Works | Housing and shelter | 501(c)(3) | 1972 | $7 million | $3.2 million | 2024-12 |
| Transitional Resources | Mental health and crisis intervention | 501(c)(3) | 1976 | $7 million | $11.5 million | 2024-12 |
| West Seattle Food Bank | Food, agriculture and nutrition | 501(c)(3) | 1990 | $7 million | $4 million | 2025-06 |
| Easter Seals Washington | Health care | 501(c)(3) | 1948 | $7 million | $6.1 million | 2025-12 |
| Cristo Rey Seattle High School | Education | 501(c)(3) | 2025 | $6.8 million | $18.1 million | 2025-06 |
| Atlantic Street Center | Crime and legal-related | 501(c)(3) | 1952 | $6.6 million | $6.1 million | 2024-12 |
| Machinists Institute | Education | 501(c)(3) | 2019 | $6.6 million | $12.5 million | 2024-12 |
| Seattle Hebrew Academy | Religion-related | 501(c)(3) | 1921 | $6.6 million | $15.3 million | 2025-06 |
| Seattle Institute for Early Child Development Inc | Education | 501(c)(3) | 1974 | $6.6 million | $1.1 million | 2025-08 |
| Archbright | 501(c)(6) | 1948 | $6.6 million | $32.8 million | 2024-12 | |
| Carina | Human services | 501(c)(3) | 2018 | $6.6 million | $6 million | 2025-06 |
| Hummingbird Indigenous Family Services | 501(c)(3) | 2023 | $6.6 million | $4.4 million | 2024-12 | |
| Boy Scouts of America | 501(c)(3) | 1965 | $6.5 million | $36.6 million | 2024-12 | |
| Historical Society of Seattle & King County | Arts, culture and humanities | 501(c)(3) | 1946 | $6.5 million | $68.6 million | 2024-12 |
| Iam & Aw District Lodge 751 Corp | 501(c)(5) | 1966 | $6.5 million | $11.4 million | 2023-12 | |
| The Mountains To Sound Greenway Trust | Environment | 501(c)(3) | 1996 | $6.4 million | $6.3 million | 2025-06 |
| Surplus Line Association of Washington | 501(c)(6) | 1977 | $6.4 million | $9.1 million | 2025-12 | |
| Seattle Girls School | Education | 501(c)(3) | 2000 | $6.4 million | $29.9 million | 2025-06 |
| Social Justice Fund Northwest | 501(c)(3) | 1978 | $6.3 million | $16.4 million | 2024-12 | |
| Washington Stem Center | Education | 501(c)(3) | 2010 | $6.2 million | $9.3 million | 2024-12 |
| Puget Sound Benefits Plan | 501(c)(9) | 1955 | $6.2 million | $6.6 million | 2024-12 | |
| Ashesi University Foundation | International, foreign affairs and national security | 501(c)(3) | 2000 | $6.1 million | $31.1 million | 2025-12 |
| Harvest Against Hunger | 501(c)(3) | 1984 | $6.1 million | $1.4 million | 2025-06 | |
| Georgetown Community Development Authority | 501(c)(3) | 2021 | $6.1 million | $43.5 million | 2025-12 | |
| Unite Here | Employment | 501(c)(5) | 1996 | $6.1 million | $3 million | 2025-12 |
| New Beginnings | 501(c)(3) | 1977 | $6 million | $4.2 million | 2024-12 | |
| Gage Academy of Art | Arts, culture and humanities | 501(c)(3) | 2000 | $6 million | $8.1 million | 2025-06 |
| Spruce Street School | Education | 501(c)(3) | 1976 | $5.9 million | $23.8 million | 2025-08 |
| Academy for Precision Learning Inc | Education | 501(c)(3) | 2002 | $5.9 million | $4.5 million | 2025-08 |
| Phenome Health | Medical research | 501(c)(3) | 2022 | $5.9 million | $4.3 million | 2025-12 |
| Shunpike | Arts, culture and humanities | 501(c)(3) | 2002 | $5.9 million | $3.1 million | 2024-12 |
| American Federation of Labor & Congress of Industrial Orgs | 501(c)(5) | 1956 | $5.9 million | $3.5 million | 2024-12 | |
| National Nordic Museum | Arts, culture and humanities | 501(c)(3) | 1980 | $5.9 million | $47.9 million | 2024-12 |
| Philanthropy Northwest | 501(c)(3) | 1982 | $5.8 million | $4 million | 2024-12 | |
| Washington Poison Center | Health care | 501(c)(3) | 1994 | $5.8 million | $3.7 million | 2025-06 |
| Recovery Cafe | Mental health and crisis intervention | 501(c)(3) | 2003 | $5.8 million | $5.1 million | 2025-06 |
| Endowment for Equal Justice | Crime and legal-related | 501(c)(3) | 2001 | $5.8 million | $28.8 million | 2024-12 |
| Hearing Speech & Deafness Center | Health care | 501(c)(3) | 1939 | $5.8 million | $4.2 million | 2025-06 |
| Splash International | Environment | 501(c)(3) | 2006 | $5.8 million | $4.9 million | 2025-12 |
| Seattle International Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $5.8 million | $4.7 million | 2024-12 |
| Northwest Resource Associates | Human services | 501(c)(3) | 1981 | $5.7 million | $1.9 million | 2025-06 |
| Wscadv | 501(c)(3) | 1995 | $5.7 million | $5.9 million | 2024-12 | |
| Global Online Academy | Education | 501(c)(3) | 2013 | $5.7 million | $4.4 million | 2025-06 |
| Third Stone | Education | 501(c)(3) | 2022 | $5.7 million | $434,580 | 2024-12 |
| Aerospace Machinists Joint Trainiing Committee | Employment | 501(c)(3) | 2010 | $5.6 million | $2.7 million | 2025-06 |
| Washington State Medical Association | 501(c)(6) | 1934 | $5.6 million | $6.8 million | 2025-12 | |
| International Association of Machinists & Aerospace Workers | 501(c)(5) | 1940 | $5.6 million | $1.2 million | 2024-12 | |
| Api Chaya | Crime and legal-related | 501(c)(3) | 1997 | $5.6 million | $3.5 million | 2024-12 |
| Native Village of Noatak | 501(c)(4) | 1958 | $5.6 million | $1.1 million | 2025-12 | |
| Kpca North Western Presbyterian Theological Seminary | Education | 501(c)(3) | 2010 | $5.6 million | $2.1 million | 2025-12 |
| Friends of Little Saigon Seattle FLS-S | Community improvement and capacity building | 501(c)(3) | 2021 | $5.5 million | $12.5 million | 2025-12 |
| Trillium Academy | Education | 501(c)(3) | 2024 | $5.5 million | $3.1 million | 2025-06 |
| Seattle Times Community Impact Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1979 | $5.5 million | $691,431 | 2025-06 |
| Hospital Shared Services Association | 501(c)(3) | 1971 | $5.5 million | $1.1 million | 2024-12 | |
| Camp Solomon Schechter Inc | Recreation and sports | 501(c)(3) | 1971 | $5.5 million | $11.7 million | 2025-09 |
| Seattle Colleges Foundation | Education | 501(c)(3) | 2018 | $5.5 million | $51.3 million | 2025-06 |
| Native Village of Kivalina | 501(c)(4) | 1947 | $5.5 million | $2.4 million | 2025-12 | |
| Native Village of Gambell | 501(c)(4) | 1941 | $5.5 million | $4.6 million | 2025-12 | |
| Long Live the Kings | Animal-related | 501(c)(3) | 1991 | $5.5 million | $2.2 million | 2024-12 |
| Open Arms Perinatal Services | Human services | 501(c)(3) | 1998 | $5.5 million | $4.4 million | 2024-12 |
| Seafair Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $5.4 million | $2.8 million | 2024-12 |
| Giddens School | Education | 501(c)(3) | 1974 | $5.4 million | $14.6 million | 2025-06 |
| Peacetrees Vietnam | International, foreign affairs and national security | 501(c)(3) | 2006 | $5.4 million | $2.9 million | 2024-12 |
| National Court Appointed Special Advocate Association | Civil rights, social action and advocacy | 501(c)(3) | 1985 | $5.4 million | $6.9 million | 2024-12 |
| Pacific Crest Montessori School | 501(c)(3) | 1991 | $5.3 million | $10.1 million | 2025-07 | |
| University of Washington Alumni Association | Education | 501(c)(3) | 1991 | $5.3 million | $27.7 million | 2025-06 |
| Rainier Valley Leadership Academy | Education | 501(c)(3) | 2014 | $5.3 million | $10.2 million | 2025-08 |
| Latino Community Fund of Washingtonstate | Human services | 501(c)(3) | 2007 | $5.3 million | $6.4 million | 2024-12 |
| Seiu Local 105 Health and Welfare Trust Fund | Mutual and membership benefit | 501(c)(9) | 2010 | $5.3 million | $1.7 million | 2024-12 |
| East African Community Services | Human services | 501(c)(3) | 2001 | $5.2 million | $15.3 million | 2025-12 |
| Seattle Jobs Initiative | Employment | 501(c)(3) | 2003 | $5.2 million | $3.1 million | 2024-12 |
| Native Village of Buckland Buckland Native Store | 501(c)(4) | 1952 | $5.2 million | $1.4 million | 2025-12 | |
| Astrophysical Research Consortium | Science and technology | 501(c)(3) | 1984 | $5.2 million | $34.7 million | 2024-12 |
| Disability Rights Washington | Human services | 501(c)(3) | 1975 | $5.2 million | $7.3 million | 2025-09 |
| Southwest Youth and Family Services | Human services | 501(c)(3) | 1983 | $5.2 million | $2.7 million | 2024-12 |
| Duwamish Tribal Services | 501(c)(3) | 1981 | $5.1 million | $16 million | 2025-06 | |
| Blue Marble Space | Science and technology | 501(c)(3) | 2012 | $5.1 million | $1.2 million | 2025-09 |
| Working Waterfront Coalition Health Trust | 501(c)(9) | 2024 | $5.1 million | $214,121 | 2024-12 | |
| Seattle Symphony Foundation | Arts, culture and humanities | 501(c)(3) | 1987 | $5.1 million | $50.3 million | 2025-08 |
| Wing Luke Memorial Foundation | 501(c)(3) | 1966 | $5.1 million | $10.3 million | 2025-06 | |
| FSC I&P | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $5.1 million | $4.4 million | 2024-12 |
| Pike Place Market Foundation | Community improvement and capacity building | 501(c)(3) | 1983 | $5.1 million | $12.6 million | 2026-03 |
| Washington Conservation Action Education Fund | Environment | 501(c)(3) | 1986 | $5.1 million | $9 million | 2024-12 |
| United Friends Group Homes | Human services | 501(c)(3) | 1974 | $5 million | $7.2 million | 2025-06 |
| Far Star Action Fund | Arts, culture and humanities | 501(c)(4) | 2018 | $5 million | $4.4 million | 2025-12 |
| Union Arts Center | Arts, culture and humanities | 501(c)(3) | 1965 | $5 million | $1.8 million | 2025-06 |
| Delridge Neighborhoods Development Association | Environment | 501(c)(3) | 1996 | $5 million | $26.7 million | 2024-12 |
| Town Hall Association | Arts, culture and humanities | 501(c)(3) | 2000 | $4.9 million | $33.2 million | 2025-06 |
| Common Power Future | Civil rights, social action and advocacy | 501(c)(3) | 2021 | $4.9 million | $758,104 | 2024-12 |
| Wainwright Cooperative Association | 501(c)(4) | 1948 | $4.9 million | $1.7 million | 2025-12 | |
| International Longshore & Warehouse Union | 501(c)(5) | 1942 | $4.9 million | $2.1 million | 2024-12 | |
| Rainier Valley Community Development Fund | Community improvement and capacity building | 501(c)(3) | 2003 | $4.9 million | $33.6 million | 2025-12 |
| Interim Community Development Association | Community improvement and capacity building | 501(c)(3) | 1979 | $4.9 million | $25.1 million | 2024-12 |
| Earthcorps | International, foreign affairs and national security | 501(c)(3) | 1993 | $4.9 million | $2.2 million | 2024-12 |
| Pike Market Senior Center | Human services | 501(c)(3) | 1978 | $4.8 million | $3.7 million | 2025-12 |
| Downtown Seattle Association | 501(c)(4) | 1959 | $4.8 million | $2.8 million | 2025-06 | |
| National Bureau of Asian Research | 501(c)(3) | 1994 | $4.8 million | $3.1 million | 2024-12 | |
| Washington Maritime Blue | Environment | 501(c)(3) | 2020 | $4.8 million | $1.6 million | 2025-06 |
| Tilth Alliance | Environment | 501(c)(3) | 1997 | $4.7 million | $1.2 million | 2024-12 |
| Fircrest Properties | Education | 501(c)(3) | 2019 | $4.7 million | $210.4 million | 2025-06 |
| Family Works | Community improvement and capacity building | 501(c)(3) | 1997 | $4.7 million | $10.2 million | 2025-12 |
| American Civil Liberties Union | 501(c)(4) | 1970 | $4.7 million | $24.8 million | 2025-03 | |
| Small Faces Child Development Center | Human services | 501(c)(3) | 1977 | $4.6 million | $3.6 million | 2025-08 |
| NA Ah Illahee Fund | International, foreign affairs and national security | 501(c)(3) | 2007 | $4.6 million | $4.4 million | 2024-12 |
| The University Heights Center for | 501(c)(3) | 1992 | $4.6 million | $12.1 million | 2025-12 | |
| The Kenney | Human services | 501(c)(3) | 1941 | $4.6 million | $29.2 million | 2024-12 |
| Washington Physicians Health Program | Mental health and crisis intervention | 501(c)(3) | 1992 | $4.5 million | $10.3 million | 2025-06 |
| Sightline Institute | Environment | 501(c)(3) | 1998 | $4.5 million | $8.1 million | 2025-12 |
| Westside Baby | Human services | 501(c)(3) | 2002 | $4.4 million | $2.2 million | 2025-12 |
| American Federation of Labor & Congress of Industrial Orgs | 501(c)(5) | 1966 | $4.4 million | $1.8 million | 2025-12 | |
| Evergreen Childrens Association | Human services | 501(c)(3) | 1990 | $4.4 million | $5.2 million | 2025-08 |
| Perkins School | Education | 501(c)(3) | 2004 | $4.3 million | $11.5 million | 2025-06 |
| Foundation for Healthy Relationships | Arts, culture and humanities | 501(c)(3) | 2000 | $4.3 million | $13.8 million | 2024-12 |
| Washington State Dental Association | 501(c)(6) | 1946 | $4.3 million | $12.5 million | 2025-09 | |
| Manufactured Housing Community Preservationists | 501(c)(3) | 1993 | $4.3 million | $16.6 million | 2025-12 | |
| Ada Developers Academy | Education | 501(c)(3) | 2021 | $4.3 million | $3.2 million | 2025-12 |
| Henry Gallery Association Inc | Arts, culture and humanities | 501(c)(3) | 1970 | $4.3 million | $29.7 million | 2025-06 |
| Northwest Marine Trade Association | 501(c)(6) | 1972 | $4.3 million | $2.4 million | 2025-06 | |
| Eastwest Food Rescue | Food, agriculture and nutrition | 501(c)(3) | 2020 | $4.3 million | $681,547 | 2024-12 |
| Gay City Health Project | Arts, culture and humanities | 501(c)(3) | 1996 | $4.3 million | $2.9 million | 2024-12 |
| Vigilant Construction Trust of Arizona | 501(c)(9) | 2021 | $4.2 million | $83,248 | 2024-12 | |
| Seattle Amistad School | Education | 501(c)(3) | 2015 | $4.2 million | $3.4 million | 2025-06 |
| Theatrical Stage Employees Health and Welfare Trust | 501(c)(9) | 1970 | $4.2 million | $4.2 million | 2024-12 | |
| Conservation NW | Environment | 501(c)(3) | 1989 | $4.2 million | $2 million | 2025-03 |
| One Roof Foundation | Youth development | 501(c)(3) | 2020 | $4.1 million | $5.6 million | 2025-06 |
| Greenhouse Gas Experts Network Inc | Education | 501(c)(3) | 2008 | $4.1 million | $3.9 million | 2025-12 |
| Discover Your Northwest | Recreation and sports | 501(c)(3) | 1974 | $4.1 million | $3.6 million | 2024-12 |
| Seattle Education Association | 501(c)(5) | 1960 | $4.1 million | $5.7 million | 2025-08 | |
| Taproot Theatre | Arts, culture and humanities | 501(c)(3) | 1978 | $4.1 million | $5.7 million | 2025-12 |
| Lake Union Child Care | 501(c)(3) | 1996 | $4.1 million | $1.5 million | 2025-06 | |
| Whitehorse Foundation | 501(c)(3) | 1989 | $4 million | $55.3 million | 2024-12 | |
| Technology Access Foundation | Community improvement and capacity building | 501(c)(3) | 1997 | $4 million | $12.1 million | 2025-06 |
| Seattle Classical Christian School | Education | 501(c)(3) | 2012 | $4 million | $1.2 million | 2025-06 |
| Lavender Rights Project | Crime and legal-related | 501(c)(3) | 2016 | $4 million | $5.3 million | 2024-12 |
| Tiny Tots Development Center | 501(c)(3) | 1975 | $4 million | $8.1 million | 2025-09 | |
| Native Village of Elim Elim Native Store | 501(c)(4) | $3.9 million | $1.6 million | 2025-12 | ||
| Northwest Education Access | Education | 501(c)(3) | 2002 | $3.9 million | $5.5 million | 2025-06 |
| Planned Parenthood Alliance Advocat Es Serving Ak Hi Id in Ky and Wa | Health care | 501(c)(4) | 1992 | $3.9 million | $2 million | 2024-12 |
| Teamsters Life With Dues Trust Fund | 501(c)(9) | 1995 | $3.9 million | $30.5 million | 2024-12 | |
| District Lodge 751 Strike Fund | Employment | 501(c)(5) | 2015 | $3.9 million | $7.6 million | 2024-12 |
| Explorer West An Independent Middle School | Education | 501(c)(3) | 1996 | $3.9 million | $9.5 million | 2025-06 |
| Mechanical Contractors Association of Western Washington | 501(c)(6) | 1940 | $3.9 million | $8.9 million | 2024-12 | |
| Mother Nation | Human services | 501(c)(3) | 2014 | $3.9 million | $1.9 million | 2025-12 |
| Amigos de Honduras | International, foreign affairs and national security | 501(c)(3) | 1997 | $3.9 million | $17,057 | 2024-12 |
| Lake Washington Girls Middle School | Education | 501(c)(3) | 1997 | $3.8 million | $15.2 million | 2025-06 |
| Oneamerica | Public and societal benefit | 501(c)(3) | 2005 | $3.8 million | $6.3 million | 2024-12 |
| New Horizons Ministries | Human services | 501(c)(3) | 1984 | $3.8 million | $8.6 million | 2025-06 |
| Phinney Neighborhood Association | Community improvement and capacity building | 501(c)(3) | 1980 | $3.8 million | $14 million | 2024-12 |
| Washington State Association for Justice | 501(c)(6) | 1971 | $3.8 million | $8.6 million | 2024-12 | |
| Friends of Independent Schools and Better Education | Education | 501(c)(3) | 1983 | $3.8 million | $1.5 million | 2025-12 |
| Washington Appellate Project | Crime and legal-related | 501(c)(3) | 1995 | $3.8 million | $1.5 million | 2024-12 |
| International Union of Elevator Constructors | Employment | 501(c)(5) | 1944 | $3.8 million | $12 million | 2025-12 |
| Washington Community Action Network | 501(c)(4) | 1984 | $3.7 million | $771,856 | 2025-12 | |
| Ertv Compliance Group | Environment | 501(c)(4) | 2011 | $3.7 million | $1 million | 2024-12 |
| Utility Information Alliance | Environment | 501(c)(3) | 2023 | $3.7 million | $1.3 million | 2025-12 |
| Koyuk Native Store | Community improvement and capacity building | 501(c)(4) | 1950 | $3.7 million | $2.1 million | 2025-12 |
| Legal Counsel for Youth and Children | Crime and legal-related | 501(c)(3) | 2011 | $3.7 million | $6.9 million | 2024-12 |
| International Longshore & Warehouse Union | 501(c)(5) | 1942 | $3.7 million | $1.2 million | 2023-12 | |
| Childs Play | Health care | 501(c)(3) | 2005 | $3.6 million | $15.8 million | 2025-12 |
| Los Angeles County Facilities 2 Inc | Public and societal benefit | 501(c)(3) | 2019 | $3.6 million | $250.6 million | 2025-06 |
| Clean and Prosperous America | Environment | 501(c)(4) | 2025 | $3.6 million | $812,136 | 2025-12 |
| Northwest I A M Benefit Trust | 501(c)(9) | 1969 | $3.6 million | $10.1 million | 2025-09 | |
| Filipino Community of Seattle Senior Services | Human services | 501(c)(3) | 1992 | $3.6 million | $10.7 million | 2024-12 |
| Real Escape From the Sex Trade | Crime and legal-related | 501(c)(3) | 2011 | $3.6 million | $1.3 million | 2025-06 |
| Ventures | Education | 501(c)(3) | 1996 | $3.6 million | $3.7 million | 2024-12 |
| Toxic-Free Future | Environment | 501(c)(3) | 1984 | $3.6 million | $5.3 million | 2024-12 |
| Washingtons National Park Fund | Recreation and sports | 501(c)(3) | 2007 | $3.6 million | $5.5 million | 2025-09 |
| Pilchuck Glass School | Arts, culture and humanities | 501(c)(3) | 1976 | $3.6 million | $8.8 million | 2024-12 |
| Northwest Montessori School | Education | 501(c)(3) | 1968 | $3.5 million | $4 million | 2025-06 |
| The International Snow Leopard Trust | Animal-related | 501(c)(3) | 1981 | $3.5 million | $8.1 million | 2024-12 |
| Northaven Inc | Housing and shelter | 501(c)(3) | 1972 | $3.5 million | $4.2 million | 2025-12 |
| Seattle Arts and Lectures Inc | Arts, culture and humanities | 501(c)(3) | 1992 | $3.5 million | $3.4 million | 2025-06 |
| Early Learning and Development Center | Human services | 501(c)(3) | 1983 | $3.4 million | $1.8 million | 2024-12 |
| Reef Plaza Del Lago Inc | Community improvement and capacity building | 501(c)(2) | 2007 | $3.4 million | $36.9 million | 2024-12 |
| Umbrella Pediatrics PC | 501(c)(3) | 2021 | $3.4 million | $3.5 million | 2025-09 | |
| Valley School of Seattle | Education | 501(c)(3) | 1988 | $3.4 million | $5.3 million | 2025-06 |
| Seattle Housing and Resource Effort | Human services | 501(c)(3) | 1993 | $3.4 million | $1.2 million | 2024-12 |
| Life Science Washington | 501(c)(6) | 1990 | $3.3 million | $5.1 million | 2024-12 | |
| Washington Business Alliance | Public and societal benefit | 501(c)(4) | 2011 | $3.3 million | $646,044 | 2024-12 |
| Upaya Social Ventures | International, foreign affairs and national security | 501(c)(3) | 2013 | $3.3 million | $5.7 million | 2024-12 |
| Childrens Center at Burke Gilman Gardens | 501(c)(3) | 1995 | $3.3 million | $4.5 million | 2024-12 | |
| Pratt Fine Arts Center | Arts, culture and humanities | 501(c)(3) | 1983 | $3.2 million | $6 million | 2025-08 |
| Friends of Recovery Cafe | Mental health and crisis intervention | 501(c)(3) | 2010 | $3.2 million | $49.1 million | 2025-06 |
| Lake View Cemetery Association Incorporated | 501(c)(13) | 1942 | $3.2 million | $40.6 million | 2025-06 | |
| Washington Dental Service | Health care | 501(c)(4) | 2012 | $3.2 million | $173.9 million | 2024-12 |
| Green Lake Preschool and Childcare Center | Education | 501(c)(3) | 2014 | $3.2 million | $4.7 million | 2025-06 |
| Northwest Wine Benefit Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1993 | $3.2 million | $2.2 million | 2025-10 |
| Rainier Beach Community Empowerment | Community improvement and capacity building | 501(c)(3) | 2007 | $3.2 million | $6.9 million | 2024-12 |
| Mid Puget Sound Fisheries Enhancement Group | Animal-related | 501(c)(3) | 1991 | $3.2 million | $803,611 | 2024-12 |
| Northwest Regional Primary Care Association | Health care | 501(c)(3) | 1987 | $3.2 million | $1.6 million | 2025-09 |
| Billings Middle School | 501(c)(3) | 1981 | $3.1 million | $10.6 million | 2025-06 | |
| Center for Multicultural Health | 501(c)(3) | 1977 | $3.1 million | $1.9 million | 2024-12 | |
| Washington Policy Center | Civil rights, social action and advocacy | 501(c)(3) | 1997 | $3.1 million | $7.8 million | 2025-12 |
| Truemediaorg Inc | Civil rights, social action and advocacy | 501(c)(4) | 2024 | $3.1 million | $464,977 | 2024-12 |
| Mockingbird Society | Human services | 501(c)(3) | 2000 | $3.1 million | $3.8 million | 2024-12 |
| Seattle Lighthouse for the Blind Foundation | Human services | 501(c)(3) | 2003 | $3.1 million | $4.9 million | 2025-09 |
| Friends of the Children Seattle | Youth development | 501(c)(3) | 2001 | $3.1 million | $1.9 million | 2025-08 |
| On the Boards | 501(c)(3) | 1979 | $3.1 million | $6.3 million | 2025-06 | |
| Peoples Harm Reduction Alliance | Human services | 501(c)(3) | 2007 | $3.1 million | $1.2 million | 2024-12 |
By cause in Seattle, WA
- Arts, culture and humanities 698
- Education 591
- Philanthropy, voluntarism and grantmaking foundations 405
- Human services 403
- Religion-related 332
- Community improvement and capacity building 304
- Recreation and sports 271
- Environment 167
- Health care 163
- International, foreign affairs and national security 137
- Youth development 114
- Housing and shelter 89
- Crime and legal-related 89
- Public and societal benefit 84
- Civil rights, social action and advocacy 76
- Science and technology 71
- Animal-related 71
- Mental health and crisis intervention 71
- Employment 68
- Diseases, disorders and medical disciplines 51
- Food, agriculture and nutrition 45
- Mutual and membership benefit 40
- Medical research 34
- Public safety, disaster preparedness and relief 14
- Social science 10
Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.