Data / Nonprofits / Washington / Seattle / Philanthropy, voluntarism and grantmaking foundations
Philanthropy, voluntarism and grantmaking foundations nonprofits in Seattle, WA: 405 registered with the IRS
405 philanthropy, voluntarism and grantmaking foundations nonprofits are registered with the IRS in Seattle, WA, 405 of them 501(c)(3) charities; the 63 that report revenue took in $679.5 million. The largest by revenue: The Seattle Foundation ($314.7 million), Greater Good Charities ($173.2 million), United Way of King County ($49.7 million).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| The Seattle Foundation | 501(c)(3) | 1947 | $314.7 million | $1.45 billion | 2024-12 |
| Greater Good Charities | 501(c)(3) | 2007 | $173.2 million | $24.4 million | 2025-06 |
| United Way of King County | 501(c)(3) | 1953 | $49.7 million | $54.9 million | 2025-06 |
| Gates Philanthropy Partners | 501(c)(3) | 2015 | $20.7 million | $85.5 million | 2024-12 |
| TSF Properties | 501(c)(3) | 2000 | $15.5 million | $0 | 2024-12 |
| Jewish Federation of Greater Seattle | 501(c)(3) | 1942 | $14.7 million | $100.3 million | 2025-06 |
| Omprakash Inc | 501(c)(3) | 2007 | $9.6 million | $4 million | 2025-12 |
| Ipd Breakthrough Fund | 501(c)(3) | 2021 | $9.2 million | $19.9 million | 2024-12 |
| Artsfund Foundation | 501(c)(3) | 1998 | $9 million | $45.9 million | 2025-09 |
| Tisbest Philanthropy | 501(c)(3) | 2008 | $8.8 million | $2.2 million | 2025-06 |
| Seattle International Foundation | 501(c)(3) | 2007 | $5.8 million | $4.7 million | 2024-12 |
| Seattle Times Community Impact Fund | 501(c)(3) | 1979 | $5.5 million | $691,431 | 2025-06 |
| Seafair Charitable Foundation | 501(c)(3) | 2019 | $5.4 million | $2.8 million | 2024-12 |
| FSC I&P | 501(c)(3) | 2017 | $5.1 million | $4.4 million | 2024-12 |
| Northwest Wine Benefit Foundation | 501(c)(3) | 1993 | $3.2 million | $2.2 million | 2025-10 |
| Friends of Vancouver Foundation | 501(c)(3) | 2009 | $3.1 million | $99,395 | 2025-12 |
| First Place | 501(c)(3) | 2022 | $2 million | $8.6 million | 2025-08 |
| Water First International | 501(c)(3) | 2005 | $2 million | $2.9 million | 2024-12 |
| Washington Progress Fund | 501(c)(3) | 2009 | $2 million | $2.2 million | 2024-12 |
| National Christian Charitable Foundation Inc | 501(c)(3) | 2001 | $1.9 million | $6.4 million | 2024-12 |
| Ashurst Perkins Coie Foundation | 501(c)(3) | 2006 | $1.9 million | $1.7 million | 2024-12 |
| Ferry Family Charitable Foundation | 501(c)(3) | 1998 | $1.7 million | $14.9 million | 2024-11 |
| Community Roots Holding Foundation | 501(c)(3) | 2010 | $1.3 million | $653,535 | 2024-12 |
| Washington Womens Foundation | 501(c)(3) | 1997 | $1.2 million | $5.4 million | 2025-12 |
| Spiritual Directors International | 501(c)(3) | 1996 | $1 million | $1.5 million | 2025-06 |
| Urban Artworks | 501(c)(3) | 1999 | $957,330 | $489,724 | 2025-12 |
| Social Venture Partners | 501(c)(3) | 2002 | $832,419 | $577,283 | 2025-09 |
| Social Venture Partners International | 501(c)(3) | 2003 | $814,566 | $340,910 | 2024-12 |
| Assistance League of Seattle Washington | 501(c)(3) | 1964 | $808,953 | $1.8 million | 2025-05 |
| E B Dunn Historic Garden Trust | 501(c)(3) | 1993 | $641,772 | $8.2 million | 2025-06 |
| Raincoast Conservation Foundation | 501(c)(3) | 2001 | $629,793 | $296,331 | 2023-12 |
| Believe in Me | 501(c)(3) | 2008 | $568,511 | $6.6 million | 2024-12 |
| Holland America Line Foundation | 501(c)(3) | 2002 | $539,388 | $73,063 | 2025-11 |
| Catalyst Kitchens | 501(c)(3) | 2024 | $536,592 | $190,045 | 2024-12 |
| One Equal Heart Foundation | 501(c)(3) | 2006 | $510,376 | $717,875 | 2025-12 |
| Wallingford Community Senior Center | 501(c)(3) | 1997 | $498,477 | $254,516 | 2024-12 |
| Friends of Green Lake Crew | 501(c)(3) | 2014 | $470,272 | $1.6 million | 2025-04 |
| Grow | 501(c)(3) | 1981 | $427,997 | $5.6 million | 2024-12 |
| Nancy B Buck Charitable Supporting Foundation Trust 07 06 94 | 501(c)(3) | 1995 | $307,584 | $4.1 million | 2025-12 |
| Family Office University Network | 501(c)(3) | 2023 | $275,890 | $78,225 | 2025-12 |
| Alpha Upsilon PKS Foundation | 501(c)(3) | 1997 | $238,563 | $1.5 million | 2025-04 |
| Legacy Foundation Inc | 501(c)(3) | 2003 | $236,958 | $907,203 | 2025-04 |
| Seattle Polish Foundation | 501(c)(3) | 2002 | $170,462 | $260,824 | 2025-12 |
| Franklin Alumni Association & Foundation | 501(c)(3) | 1998 | $156,952 | $773,729 | 2024-12 |
| White Feather Foundation | 501(c)(3) | 2021 | $150,857 | $74,435 | 2025-12 |
| United States Goon Fund | 501(c)(3) | 2023 | $143,182 | $10,441 | 2025-12 |
| Skyline at First Hill Residents Association | 501(c)(3) | 2010 | $134,654 | $214,428 | 2025-12 |
| Seattle Childrens Theatre Foundation | 501(c)(3) | 1996 | $133,931 | $5.5 million | 2025-06 |
| Other 98 Percent Lab | 501(c)(3) | 2015 | $133,903 | $243,012 | 2025-12 |
| Phila Venture Fund | 501(c)(3) | 2021 | $128,000 | $12,769 | 2025-12 |
| Stellas Stars | 501(c)(3) | 2021 | $119,479 | $70,902 | 2025-12 |
| Renaissance 21 | 501(c)(3) | 2010 | $115,669 | $69,369 | 2024-12 |
| Salal Foundation | 501(c)(3) | 2014 | $114,835 | $285,728 | 2025-12 |
| Marcus Whitman Middle School Parent Teacher Student Association | 501(c)(3) | 1996 | $103,790 | $158,861 | 2025-06 |
| First Place Endowment Trust Fund | 501(c)(3) | 2023 | $99,543 | $3.6 million | 2025-08 |
| Still Waters Services for Families in Transition | 501(c)(3) | 2016 | $77,901 | $30,560 | 2023-08 |
| Washington State Legends of Soccer | 501(c)(3) | 2020 | $69,458 | $153,509 | 2025-12 |
| Everly Seattle | 501(c)(3) | 2025 | $60,902 | $2,969 | 2025-12 |
| Puget Sound Grantwriters Association | 501(c)(3) | 2000 | $48,936 | $79,561 | 2024-12 |
| Lake Union Rotary Foundation | 501(c)(3) | 2013 | $48,817 | $103,562 | 2025-12 |
| Edenburt Charitable Fund | 501(c)(3) | 2021 | $24,782 | $521,660 | 2024-12 |
| Washington Eye Foundation | 501(c)(3) | 2015 | $23,868 | $303,861 | 2025-12 |
| Washington State Convention Center Art Foundation | 501(c)(3) | 2001 | $9,246 | $1.5 million | 2025-12 |
| Abe Keller Peace Education Fund | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Act of Giving | 501(c)(3) | 2003 | $0 | $0 | 2024-12 |
| Active Ferry Employees Charitable Trust | 501(c)(3) | 2020 | $0 | $0 | 2025-09 |
| Adrian Hanauer Foundation | 501(c)(3) | 2008 | $1.6 million | 2024-12 | |
| Akila and S Somasegar Family Foundation | 501(c)(3) | 2015 | $544,771 | 2024-12 | |
| Alben Foundation | 501(c)(3) | 2021 | $558,977 | 2025-12 | |
| Aldarra Foundation | 501(c)(3) | 2003 | $945,503 | 2024-12 | |
| Alex McMillan Family Foundation | 501(c)(3) | 2012 | $1.6 million | 2025-12 | |
| Allen Family Philanthropies | 501(c)(3) | 1989 | $1.38 billion | 2024-12 | |
| Alta Foundation | 501(c)(3) | 2000 | $817 | 2025-12 | |
| Altom Carlson Foundation | 501(c)(3) | 2009 | $8.9 million | 2024-12 | |
| Anderson Mitchell House Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Anthony-Maymudes Family Foundation | 501(c)(3) | 2001 | $2.2 million | 2025-12 | |
| Arno A Fritsch Irrv Trust | 501(c)(3) | 2014 | $542,423 | 2025-12 | |
| Assyrian Childrens Fund | 501(c)(3) | 2007 | $375,446 | 2024-12 | |
| Atsuhiko and Ina Goodwin Tateuchi Foundation | 501(c)(3) | 2001 | $7.6 million | 2024-12 | |
| BLT Charitable Trust | 501(c)(3) | 2008 | $1.4 million | 2025-12 | |
| Barbo Family Foundation | 501(c)(3) | 2015 | $134,607 | 2025-12 | |
| Bates Family Foundation | 501(c)(3) | 2000 | $11.2 million | 2025-12 | |
| Bayley Family Foundation | 501(c)(3) | 2008 | $4 million | 2024-12 | |
| Be Good Fund | 501(c)(3) | 2026 | |||
| Beard Family Foundation | 501(c)(3) | 2023 | $1 million | 2024-12 | |
| Beeks Family Legacy Foundation | 501(c)(3) | 2000 | $2 million | 2025-12 | |
| Behnke Foundation | 501(c)(3) | 1958 | $2 million | 2025-12 | |
| Benjamin & Margaret Hall Foundation | 501(c)(3) | 1996 | $3.8 million | 2024-12 | |
| Benton-Yang Foundation | 501(c)(3) | 2021 | $5.1 million | 2025-12 | |
| Bert Johnson Charitable Foundation Trust Ua 12202002 | 501(c)(3) | 2003 | $368,450 | 2025-12 | |
| Bezos Family Foundation | 501(c)(3) | 2003 | $154.2 million | 2024-12 | |
| Bishop Fam Foundation Trust Agreement | 501(c)(3) | 2003 | $2.9 million | 2025-12 | |
| Block-Leavitt Foundation | 501(c)(3) | 1998 | $1.2 million | 2024-12 | |
| Bobo Foundation | 501(c)(3) | 2000 | $482,096 | 2025-06 | |
| Bourgeois Family Foundation | 501(c)(3) | 2026 | $20,136 | 2025-12 | |
| Bowline Fund | 501(c)(3) | 1999 | $3 million | 2024-12 | |
| Bradburd Family Foundation DTD 61898 Between Arnold W Etal | 501(c)(3) | 1999 | $35.6 million | 2025-05 | |
| Breneman Jaech Foundation | 501(c)(3) | 2000 | $54,518 | 2025-12 | |
| Brettler Family Foundation | 501(c)(3) | 2000 | $31.4 million | 2024-12 | |
| Brighton Jones Charitable Giving Fund | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Brooks Foundation | 501(c)(3) | 2021 | $12.8 million | 2025-12 | |
| Bullitt Foundation | 501(c)(3) | 1953 | $46.4 million | 2024-12 | |
| Burien-White Center Rotary Service Foundation | 501(c)(3) | 2006 | $0 | $0 | 2025-06 |
| Burners for Direct Action | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Burning Foundation | 501(c)(3) | 1998 | $13.3 million | 2025-12 | |
| Business Plans Without Borders | 501(c)(3) | 2017 | $0 | $0 | 2023-12 |
| CD&E Foundation | 501(c)(3) | 2026 | $450,000 | 2025-12 | |
| Campion Foundation | 501(c)(3) | 2008 | $16.8 million | 2024-12 | |
| Carl & Gretchen Gould Private Foundation | 501(c)(3) | 2002 | $1.2 million | 2024-12 | |
| Casey Family Programs | 501(c)(3) | 1967 | $2.68 billion | 2024-12 | |
| Channel Foundation | 501(c)(3) | 2000 | $14.5 million | 2025-12 | |
| Children Count Foundation | 501(c)(3) | 1997 | $3.3 million | 2024-12 | |
| Choice Charitable Trust | 501(c)(3) | 2015 | $15.8 million | 2025-12 | |
| Christopher D Wheeler Foundation | 501(c)(3) | 2001 | $61,099 | 2025-12 | |
| Christopher R Kelly Family Foundation | 501(c)(3) | 1999 | $428,287 | 2024-12 | |
| Clement Family Foundation U A 12-19-94 | 501(c)(3) | 1995 | $727,349 | 2024-12 | |
| Climb for Kids | 501(c)(3) | 2008 | $0 | $0 | 2023-12 |
| Conru Foundation | 501(c)(3) | 2017 | $43.2 million | 2025-12 | |
| Cooper-Newell Foundation | 501(c)(3) | 2001 | $21.3 million | 2025-12 | |
| Crescent Foundation | 501(c)(3) | 2018 | $8,334 | 2025-12 | |
| Crete Family Foundation | 501(c)(3) | 2008 | $8.2 million | 2024-12 | |
| Crystal Spring Foundation | 501(c)(3) | 2001 | $24.8 million | 2024-12 | |
| Cuyamaca Charitable Foundation | 501(c)(3) | 1998 | $1.6 million | 2025-06 | |
| D&G Charitable Fund | 501(c)(3) | 2016 | $22.8 million | 2024-12 | |
| DLSC Family Foundation | 501(c)(3) | 2012 | $1.9 million | 2025-12 | |
| Daimler Foundation Inc | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Dale and Leslie Chihuly Foundation | 501(c)(3) | 2010 | $1.7 million | 2025-12 | |
| Dana Foundation | 501(c)(3) | 2025 | |||
| Danica Childrens Foundation | 501(c)(3) | 2003 | $176,866 | 2025-12 | |
| Darby Foundation | 501(c)(3) | 2004 | $1.1 million | 2025-12 | |
| David and Amy Fulton Foundation | 501(c)(3) | 1997 | $57.8 million | 2025-08 | |
| David and Patricia Giuliani Family Foundation | 501(c)(3) | 2013 | $36.3 million | 2024-12 | |
| Dickey Foundation | 501(c)(3) | 1999 | $129,385 | 2025-12 | |
| Dole Family Foundation | 501(c)(3) | 2000 | $388,243 | 2025-12 | |
| Donald Family Foundation | 501(c)(3) | 2001 | $384,296 | 2025-12 | |
| Donorconnection Foundation | 501(c)(3) | 2022 | $1,203 | 2025-12 | |
| Dr Abdolmajid and Homa Bayat Foundation | 501(c)(3) | 2020 | $362,135 | 2023-12 | |
| Drake Instrument Foundation | 501(c)(3) | 2017 | $4 million | 2025-12 | |
| Duha Architecture | 501(c)(3) | 2025 | |||
| Dunbar Foundation | 501(c)(3) | 2023 | $1 | 2024-12 | |
| Dunietz Minsk Family Foundation | 501(c)(3) | 2004 | $1.9 million | 2024-12 | |
| Edward and Cynthia Maletis Foundation | 501(c)(3) | 2012 | $8 million | 2025-12 | |
| Ehrlich Wise Family Foundation | 501(c)(3) | 2007 | $533,349 | 2025-12 | |
| Elizabeth George Writers Foundation | 501(c)(3) | 2022 | $2.6 million | 2025-12 | |
| Elizabeth Mar Education Fund | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Emerald City Supper Club | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Eric Anderson Foundation | 501(c)(3) | 2006 | $1.8 million | 2024-12 | |
| Ernest R and Audrey M Turner Foundation | 501(c)(3) | 1997 | $368,350 | 2025-12 | |
| Estelle Funk Foundation | 501(c)(3) | 1996 | $723,693 | 2024-12 | |
| Fairview Foundation | 501(c)(3) | 2017 | $7.1 million | 2024-12 | |
| Family Home Foundation | 501(c)(3) | 2007 | $2.4 million | 2025-12 | |
| Fanz 4 Good | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Fish 153 Foundation | 501(c)(3) | 2012 | $57,626 | 2025-12 | |
| Flores Global Impact Alliance | 501(c)(3) | 2025 | $100,300 | 2024-12 | |
| Folley Family Foundation | 501(c)(3) | 2012 | $12.9 million | 2024-12 | |
| Forum Foundation | 501(c)(3) | 2018 | $37,009 | 2025-12 | |
| Foss Family Foundation | 501(c)(3) | 2001 | $1.6 million | 2025-12 | |
| Foundation Roche Noir | 501(c)(3) | 2026 | |||
| Foundation for JUSTICE& Peace | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Frank and Emily Smith Foundation | 501(c)(3) | 2002 | $15.1 million | 2024-12 | |
| Frankfort Family Foundation | 501(c)(3) | 2003 | $2.9 million | 2025-12 | |
| Fred Goldberg Family Foundation | 501(c)(3) | 2008 | $527,016 | 2024-12 | |
| Fred R Smith Foundation | 501(c)(3) | 2019 | $17.6 million | 2024-12 | |
| Fred and Margaret Grimm Foundation | 501(c)(3) | 2006 | $5,857 | 2025-12 | |
| Frederick Stearns Charitable Foundation | 501(c)(3) | 1998 | $725,991 | 2025-06 | |
| Freed Family Foundation | 501(c)(3) | 1998 | $239,242 | 2024-12 | |
| Friends of Seva | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Friends of VGH & Ubc Hospital Foundation | 501(c)(3) | 1999 | $24,323 | 2026-03 | |
| Fries Family Foundation | 501(c)(3) | 1999 | $9.4 million | 2024-12 | |
| Frye Foundation | 501(c)(3) | 2015 | $3.6 million | 2024-12 | |
| Fund for Science and Technology | 501(c)(3) | 2025 | $3.14 billion | 2025-08 | |
| Gates Foundation | 501(c)(3) | 2007 | $78.67 billion | 2024-12 | |
| George R and Mildred E Kingston Charitable Trust | 501(c)(3) | 2000 | $1.4 million | 2025-06 | |
| George and Stephanie Suddock Foundation | 501(c)(3) | 2021 | $23.7 million | 2024-12 | |
| Getty Images Employee Emergency Fund | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Ginger and Barry Ackerley Foundation | 501(c)(3) | 1997 | $16.1 million | 2024-12 | |
| Girl in Yellow Foundation | 501(c)(3) | 2017 | $0 | $0 | 2025-06 |
| Giving Grousbeck Fazzalari | 501(c)(3) | 2011 | $309.2 million | 2024-11 | |
| Glassybaby White Light Foundation | 501(c)(3) | 2022 | $221,560 | 2026-06 | |
| Goldsen Foundation | 501(c)(3) | 2025 | |||
| Golf Fore Life Foundation | 501(c)(3) | 2026 | $0 | $0 | 2023-12 |
| Goodfellow Fund | 501(c)(3) | 1999 | $282,048 | 2025-12 | |
| Goodman Foundation | 501(c)(3) | 2006 | $1,518 | 2025-12 | |
| Gorder Family Foundation | 501(c)(3) | 2017 | $17.7 million | 2025-12 | |
| Green Canoe Foundation | 501(c)(3) | 2020 | $338,509 | 2025-12 | |
| Greenstein Family Foundation | 501(c)(3) | 2012 | $2.4 million | 2024-12 | |
| Growing Tree Foundation | 501(c)(3) | 2022 | $14.5 million | 2025-06 | |
| Hafer Family Foundation | 501(c)(3) | 2005 | $2.1 million | 2024-12 | |
| Harbor Legacy Foundation | 501(c)(3) | 2025 | |||
| Haring Family Foundation | 501(c)(3) | 2010 | $479,885 | 2025-12 | |
| Harrison-Biggs Foundation | 501(c)(3) | 2021 | $906,043 | 2024-12 | |
| Harvest Foundation | 501(c)(3) | 2001 | $15.6 million | 2024-12 | |
| Hendrix Foundation | 501(c)(3) | 2026 | |||
| Henlopen Foundation Inc | 501(c)(3) | 2002 | $3.6 million | 2025-06 | |
| Herray Foundation | 501(c)(3) | 2013 | $6.9 million | 2024-12 | |
| Howard and Frances Keller Family Foundation | 501(c)(3) | 2004 | $700,758 | 2024-12 | |
| Huddleston Butler Memorial Foundation | 501(c)(3) | 1996 | $1.8 million | 2025-12 | |
| Ignatius Ohno Foundation | 501(c)(3) | 2008 | $1 million | 2024-12 | |
| Ioactive Foundation | 501(c)(3) | 2023 | $413,252 | 2024-12 | |
| J-Z Greenberg Educational Foundation | 501(c)(3) | 2019 | $18.7 million | 2025-06 | |
| Jackson Family Foundation | 501(c)(3) | 2019 | $487,764 | 2024-12 | |
| Jacob & Gwendolyn Lawrence Foundation | 501(c)(3) | 2000 | $976,551 | 2025-12 | |
| Jacobi Family Foundation | 501(c)(3) | 2013 | $132,370 | 2024-12 | |
| James D and Sherry Raisbeck Foundation | 501(c)(3) | 2000 | $6.9 million | 2024-12 | |
| Jane Isakson Lea Foundation | 501(c)(3) | 2012 | $2.4 million | 2024-12 | |
| Jayne M Perkins Foundation | 501(c)(3) | 2010 | $1.2 million | 2024-12 | |
| Jerry and Suzanne M Litner Foundation | 501(c)(3) | 2001 | $22,139 | 2026-06 | |
| Jet Chapter Knights of Mantra | 501(c)(3) | 2020 | $0 | $0 | 2026-03 |
| Jonathon C S and Constance C Cox Foundation | 501(c)(3) | 1998 | $191,317 | 2025-12 | |
| Joseph Foundation III | 501(c)(3) | 2001 | $2,761 | 2024-12 | |
| June Foundation | 501(c)(3) | 2003 | $2.1 million | 2025-06 | |
| Juniper Foundation | 501(c)(3) | 1998 | $27.9 million | 2025-12 | |
| Karas Family Foundation | 501(c)(3) | 2006 | $50,785 | 2024-12 | |
| Karen Mayers Gamoran Foundation | 501(c)(3) | 2007 | $2.3 million | 2025-12 | |
| Karen and Gary Schwartz Foundation | 501(c)(3) | 2016 | $3.5 million | 2025-12 | |
| Kathryn Claire Wood Foundation | 501(c)(3) | 2019 | $42,628 | 2025-12 | |
| Keith and Mary Kay McCaw Family Foundation | 501(c)(3) | 1998 | $31.5 million | 2025-12 | |
| Keller Kingsberg Family Foundation | 501(c)(3) | 2015 | $513,442 | 2025-12 | |
| Ken Birdwell Foundation | 501(c)(3) | 2019 | $147.2 million | 2024-12 | |
| Ken Schiffler Foundation for Music Education | 501(c)(3) | 2015 | $7,956 | 2025-12 | |
| Kendall Family Charitable Trust | 501(c)(3) | 2007 | $11,813 | 2025-12 | |
| Kennedy-Ries Family Foundation | 501(c)(3) | 2016 | $12 million | 2024-12 | |
| Kenrose Kitchen Table Foundation | 501(c)(3) | 2007 | $23.7 million | 2024-12 | |
| Kent Bakke and Moira Kennelly Foundation | 501(c)(3) | 2025 | $3.9 million | 2024-12 | |
| Kim and Jon Shirley Foundation | 501(c)(3) | 2018 | $3.7 million | 2025-09 | |
| King County Law Library Foundation | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| King County Oes Club | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Kobe Foundation | 501(c)(3) | 2000 | $8,294 | 2024-12 | |
| Koeplin Family Foundation | 501(c)(3) | 2003 | $1.8 million | 2024-12 | |
| Kubale Family Foundation | 501(c)(3) | 2003 | $39,740 | 2025-12 | |
| Kulakala Point Foundation | 501(c)(3) | 1998 | $5.7 million | 2025-12 | |
| Kuo Family Research Foundation | 501(c)(3) | 2006 | $1 million | 2025-12 | |
| Laidir Foundation | 501(c)(3) | 2015 | $71.5 million | 2024-12 | |
| Lakemont Foundation | 501(c)(3) | 2008 | $3.4 million | 2025-12 | |
| Lance and Deborah Vander Hoek Foundation | 501(c)(3) | 2009 | $137,448 | 2025-12 | |
| Lawrence True and Linda Brown Foundation | 501(c)(3) | 1998 | $3 million | 2025-12 | |
| Leave 10 | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Lee and Stuart Rolfe Family Foundation | 501(c)(3) | 2006 | $6,402 | 2025-12 | |
| Lematta Foundation | 501(c)(3) | 1999 | $27.2 million | 2025-12 | |
| Lenore Hanauer Foundation | 501(c)(3) | 2009 | $1.4 million | 2025-12 | |
| Lewars Foundation | 501(c)(3) | 2024 | $69,988 | 2025-12 | |
| Li Lu Foundation | 501(c)(3) | 2012 | $102.9 million | 2024-12 | |
| Lillian Miller Educational Foundation Inc | 501(c)(3) | 2017 | $327,469 | 2024-12 | |
| Loeb Charitable Foundation | 501(c)(3) | 2010 | $9.1 million | 2024-12 | |
| Lorna Jordan Charitable Organization | 501(c)(3) | 2022 | $51.6 million | 2024-12 | |
| Louden Family Foundation | 501(c)(3) | 2000 | $2.3 million | 2025-09 | |
| MG2 Foundation | 501(c)(3) | 2014 | $1 million | 2024-12 | |
| Madrona Foundation | 501(c)(3) | 2004 | $12.3 million | 2025-12 | |
| Magnusson Klemencic Associates Foundation | 501(c)(3) | 2016 | $1 million | 2026-03 | |
| Mand Foundation | 501(c)(3) | 2025 | $1 | 2024-12 | |
| Mannix Canby Foundation | 501(c)(3) | 1997 | $443,586 | 2025-12 | |
| Map Foundation | 501(c)(3) | 2015 | $78,420 | 2025-12 | |
| Marian J Weatherwax Charitable Remainder Unitrust of 1990 | 501(c)(3) | 2012 | $552,180 | 2025-12 | |
| Mark Torrance Foundation | 501(c)(3) | 2001 | $11.2 million | 2024-12 | |
| Martin Fabert Foundation | 501(c)(3) | 2001 | $22.6 million | 2025-06 | |
| Mary & Verna Foundation | 501(c)(3) | 2024 | $221,926 | 2025-12 | |
| Masj Foundation | 501(c)(3) | 2022 | $1 | 2025-12 | |
| Maskara Foundation | 501(c)(3) | 2025 | |||
| McDonald Jonsson Foundation | 501(c)(3) | 2018 | $944,474 | 2024-12 | |
| McEachern Morrison Foundation | 501(c)(3) | 1998 | $278,796 | 2025-12 | |
| McKinstry Charitable Foundation | 501(c)(3) | 2000 | $16,800 | 2025-12 | |
| Michael Patterson Family Foundation | 501(c)(3) | 2019 | $50,298 | 2024-12 | |
| Mick Lamb Foundation | 501(c)(3) | 2008 | $179,486 | 2025-12 | |
| Miir Foundation | 501(c)(3) | 2025 | $1 | 2025-12 | |
| Mitchell & Rice Global Kidney Wellness Foundation | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Mize Family Foundation | 501(c)(3) | 2010 | $744,988 | 2025-12 | |
| Mongol Impact Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Morgan Family Foundation | 501(c)(3) | 1999 | $3.8 million | 2024-12 | |
| Mountain Top Foundation | 501(c)(3) | 1995 | $0 | $0 | 2025-10 |
| Nancy & Jean-Pierre Boespflug Foundation for Myopathic Research | 501(c)(3) | 2014 | $1.9 million | 2023-12 | |
| National Charity League Inc Seattle Metro Chapter | 501(c)(3) | 2018 | $0 | $0 | 2026-05 |
| Neukom Family Foundation | 501(c)(3) | 1997 | $68.5 million | 2025-03 | |
| Nick Dewolf Foundation | 501(c)(3) | 2004 | $2.5 million | 2024-12 | |
| Nick and Leslie Hanauer Foundation | 501(c)(3) | 2008 | $10.6 million | 2024-12 | |
| Nick and Michele Keller Family Foundation | 501(c)(3) | 2019 | $5.4 million | 2024-12 | |
| Ninneweb Foundation | 501(c)(3) | 2015 | $5.1 million | 2024-12 | |
| Nolan Family Foundation Inc | 501(c)(3) | 2022 | $94,944 | 2025-12 | |
| Norah Kates and Will Strong Foundation | 501(c)(3) | 2019 | $2.3 million | 2024-12 | |
| Norberg Fam Foundation Trust | 501(c)(3) | 2006 | $2.3 million | 2024-12 | |
| Nourish Seattle | 501(c)(3) | 2025 | $0 | $0 | 2025-04 |
| Noved Foundation | 501(c)(3) | 2001 | $429,850 | 2024-12 | |
| Oak Creek Foundation | 501(c)(3) | 2005 | $2.7 million | 2025-12 | |
| Opportunities for Education Foundation | 501(c)(3) | 2001 | $697,758 | 2024-12 | |
| Original Art Foundation | 501(c)(3) | 2024 | $4.3 million | 2025-12 | |
| Orin Smith Family Foundation | 501(c)(3) | 2004 | $24.2 million | 2024-12 | |
| Osborne Legacy Foundation | 501(c)(3) | 2021 | $332,504 | 2025-12 | |
| PHGC Oes State of Wa and Jurisdiction Foundation | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Pamela and Arthur Sanders Family Foundation Inc | 501(c)(3) | 2011 | $3.9 million | 2025-02 | |
| Parkshore Residents Association | 501(c)(3) | 2009 | $0 | $0 | 2026-05 |
| Peg and Rick Young Foundation | 501(c)(3) | 2003 | $2.7 million | 2025-12 | |
| Pemco Foundation Inc | 501(c)(3) | 1967 | $2.8 million | 2025-06 | |
| Pendleton and Elizabeth Carey Miller Charitable Foundation | 501(c)(3) | 1997 | $17 million | 2025-12 | |
| Pete and Wilma Olsen Foundation | 501(c)(3) | 2001 | $1.8 million | 2025-05 | |
| Peyton & Carolann Storli Family Foundation | 501(c)(3) | 2017 | $75,924 | 2024-12 | |
| Powell Family Foundation Nancy E Powell Family Division | 501(c)(3) | 2019 | $4.6 million | 2025-12 | |
| Poynter Foundation | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Providing Learners Access To Choices in Education Place | 501(c)(3) | 2023 | $0 | $0 | 2024-08 |
| Pruzan Foundation | 501(c)(3) | 1983 | $19,651 | 2024-12 | |
| Pruzan-Abrams Charitable Foundation | 501(c)(3) | 2014 | $49,692 | 2024-12 | |
| RHC Foundation | 501(c)(3) | 2018 | $2.3 million | 2025-12 | |
| Raikes Foundation | 501(c)(3) | 2002 | $97.7 million | 2024-12 | |
| Rainier Beach High School Parent - Teacher - Student Association | 501(c)(3) | 2022 | $0 | $0 | 2025-06 |
| Rare Restorations Club and Services | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Raven Trust Fund | 501(c)(3) | 1998 | $53.5 million | 2024-12 | |
| Rayos Contra Cancer | 501(c)(3) | 2019 | $257,147 | 2025-05 | |
| Red Crow Charitable Foundation | 501(c)(3) | 2022 | $36.6 million | 2024-12 | |
| Ren Che Foundation | 501(c)(3) | 2016 | $2 million | 2025-12 | |
| Renegade Fund | 501(c)(3) | 2022 | $45,992 | 2025-12 | |
| Reubens Brews Foundation | 501(c)(3) | 2021 | $22,626 | 2024-12 | |
| Richard and Barrie Galanti Foundation | 501(c)(3) | 1997 | $101,847 | 2024-12 | |
| Richard and Francine Loeb Family Foundation | 501(c)(3) | 2003 | $9.9 million | 2024-12 | |
| Rick and Bonnie Rule Foundation | 501(c)(3) | 2019 | $6.4 million | 2025-12 | |
| Ricky and Diana Patel Foundation | 501(c)(3) | 2023 | $177,400 | 2025-12 | |
| Riley W and Nancy A Pleas Family Foundation | 501(c)(3) | 1995 | $607,896 | 2025-12 | |
| Rinne Foundation | 501(c)(3) | 2001 | $413,134 | 2024-12 | |
| Robert and Kathryn Strong Foundation | 501(c)(3) | 1998 | $7.3 million | 2025-12 | |
| Robert and Soledad Hurst Family Foundation | 501(c)(3) | 2017 | $6.7 million | 2024-12 | |
| Rodin Operating Foundation | 501(c)(3) | 2022 | $3.4 million | 2024-11 | |
| Roots and Wings | 501(c)(3) | 2006 | $19.9 million | 2024-12 | |
| Roots and Wings Foundation Inc | 501(c)(3) | 2019 | $611.8 million | 2024-12 | |
| Roy and Leona Nelson Foundation | 501(c)(3) | 2003 | $2 million | 2025-12 | |
| Runway To Freedom | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| S O S Foundation | 501(c)(3) | 1997 | $1.4 million | 2025-12 | |
| Sahsen Foundation | 501(c)(3) | 2010 | $179.2 million | 2025-12 | |
| Samis Foundation | 501(c)(3) | 1995 | $109.3 million | 2024-12 | |
| Sara Little Turnbull Foundation | 501(c)(3) | 2018 | $1.7 million | 2024-12 | |
| Sarah M Hughes Foundation | 501(c)(3) | 2012 | $8.1 million | 2025-12 | |
| Sash Foundation | 501(c)(3) | 2022 | $4.2 million | 2025-09 | |
| Satterberg Foundation | 501(c)(3) | 1991 | $425.6 million | 2024-12 | |
| Saw Charitable Trust | 501(c)(3) | 2021 | $528,472 | 2024-12 | |
| Scan Design By Inge & Jens Bruun Foundation | 501(c)(3) | 2003 | $34.5 million | 2024-12 | |
| Schultz Family Foundation | 501(c)(3) | 1998 | $355.2 million | 2024-12 | |
| Schuster Foundation | 501(c)(3) | 2008 | $807,133 | 2025-12 | |
| Seattle Alumnae Panhellenic | 501(c)(3) | 2018 | $0 | $0 | 2026-06 |
| Seattle Commodores | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Seattle People S Fund | 501(c)(3) | 2002 | $830,271 | 2025-12 | |
| Seattle Reykjavik Sister City Committee | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Seattle U Baseball Board | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Seattle-Sonoran Foundation | 501(c)(3) | 2000 | $2.8 million | 2024-12 | |
| Singh Family Foundation Washington | 501(c)(3) | 2015 | $8.7 million | 2025-12 | |
| Sisters Legacy Foundation | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Skadds Foundation | 501(c)(3) | 2018 | $6.4 million | 2025-12 | |
| Sloan Foundation | 501(c)(3) | 1997 | $39.3 million | 2024-12 | |
| Smired Foundation | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Snohomish County Dental Foundation | 501(c)(3) | 1994 | $0 | $0 | 2026-06 |
| Steller Ludwig Foundation | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Stephen and Dianne Loeb Family Foundation | 501(c)(3) | 2010 | $1.6 million | 2024-12 | |
| Stolte Family Foundation | 501(c)(3) | 2015 | $65.6 million | 2024-12 | |
| Straws Charitable Foundation | 501(c)(3) | 2000 | $1.2 million | 2024-12 | |
| Street Soccer Seattle | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Sunbridge Foundation | 501(c)(3) | 2001 | $15.5 million | 2024-12 | |
| Supporting Pioneering Academic RESEARCH&KNOWLEDGE Discov Foundati | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Susan Michaels Memorial Compassion Trust | 501(c)(3) | 2020 | $2.2 million | 2025-09 | |
| Svanees Foundation | 501(c)(3) | 2015 | $5.1 million | 2025-12 | |
| TSF Services | 501(c)(3) | 2000 | $0 | $3,205 | 2024-12 |
| TT Foundation | 501(c)(3) | 2014 | $2 million | 2024-12 | |
| Tew Foundation | 501(c)(3) | 1998 | $22.8 million | 2024-12 | |
| The Aristaeus Fund | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| The Brooks and Suzanne Ragen Family Foundation | 501(c)(3) | 2017 | $14.3 million | 2025-09 | |
| The Cynthia B Tomlinson Foundation | 501(c)(3) | 2001 | $1.3 million | 2025-12 | |
| The Diversity Foundation | 501(c)(3) | 2000 | $48,938 | 2025-12 | |
| The John and Nancy Sabol Foundation | 501(c)(3) | 2001 | $5.2 million | 2024-12 | |
| The Levine Foundation | 501(c)(3) | 2001 | $802 | 2025-12 | |
| The Lion Glass Foundation | 501(c)(3) | 2001 | $163,644 | 2025-12 | |
| The Longbrake Family Foundation | 501(c)(3) | 2001 | $8.5 million | 2025-12 | |
| The Merrell Family Foundation | 501(c)(3) | 2008 | $742,097 | 2024-12 | |
| The Meseck Schick Family Foundation | 501(c)(3) | 2022 | $771,964 | 2024-12 | |
| The Moraine Foundation | 501(c)(3) | 2006 | $8.2 million | 2025-12 | |
| The Pickwick Chartiable Foundation | 501(c)(3) | 2025 | $63,512 | 2024-12 | |
| The Richard and Maude Ferry Foundation | 501(c)(3) | 2014 | $22.9 million | 2024-12 | |
| The Thomsen Foundation | 501(c)(3) | 2013 | $1.1 million | 2025-12 | |
| The W Foundation | 501(c)(3) | 2001 | $231,299 | 2024-12 | |
| The Wold Family Foundation | 501(c)(3) | 2001 | $3.3 million | 2025-12 | |
| Think Forward Foundation | 501(c)(3) | 2020 | $3.2 million | 2024-12 | |
| Thomas B Tilford Fam Foundation | 501(c)(3) | 2003 | $270,474 | 2025-12 | |
| Thompson Family Foundation | 501(c)(3) | 2008 | $2 million | 2025-12 | |
| Thrasher Koffey Foundation | 501(c)(3) | 2008 | $2 million | 2025-12 | |
| Tom and Libby Edwards Family Foundation | 501(c)(3) | 2019 | $546,813 | 2024-12 | |
| Traction Design Action Research | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Troop 647 Charitable Fund | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Two Herons Foundation | 501(c)(3) | 2008 | $27,607 | 2025-12 | |
| Ueland Foundation | 501(c)(3) | 2007 | $12.7 million | 2024-12 | |
| Ulmschneider Educational Foundation | 501(c)(3) | 1998 | $177,005 | 2024-12 | |
| Uwsod Class of 2027 | 501(c)(3) | 2024 | $0 | $0 | 2025-08 |
| Valencia Foundation | 501(c)(3) | 2001 | $291,579 | 2025-12 | |
| Veca Foundation | 501(c)(3) | 2014 | $1 | 2025-12 | |
| Walter and Lucille Rubin Foundationinc | 501(c)(3) | 2007 | $9 million | 2024-12 | |
| Washington African Diaspora Commiss Ion | 501(c)(3) | 2026 | |||
| Washington Federal Foundation | 501(c)(3) | 2008 | $1.7 million | 2025-12 | |
| Wayne and Jo Ann English Family Foundation | 501(c)(3) | 2014 | $334,970 | 2025-12 | |
| Weassistu Foundation | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Whatley Foundation | 501(c)(3) | 2009 | $1.9 million | 2024-12 | |
| Wilburforce Foundation | 501(c)(3) | 1991 | $153.3 million | 2024-12 | |
| Wild Lives Foundation | 501(c)(3) | 2018 | $24 million | 2024-12 | |
| William A Looney Family Foundation | 501(c)(3) | 2016 | $3.6 million | 2025-12 | |
| William B Moore Foundation | 501(c)(3) | 2019 | $856,926 | 2025-12 | |
| William E Wockner Foundation | 501(c)(3) | 2017 | $25.2 million | 2025-06 | |
| William I Smith Family Foundation | 501(c)(3) | 2012 | $9.3 million | 2025-12 | |
| William and Martha Erickson Foundation | 501(c)(3) | 2004 | $2.7 million | 2024-12 | |
| William and Mary Little Foundation | 501(c)(3) | 2000 | $916,124 | 2025-12 | |
| Winter Cove Foundation | 501(c)(3) | 2008 | $3 million | 2024-12 | |
| Wockner Foundation | 501(c)(3) | 2005 | $6.9 million | 2025-06 | |
| Womens Philanthropic Collective | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Ypcommunities | 501(c)(3) | 2023 | |||
| Yvonne Maxine Betson Charitable Remainder Unitrust | 501(c)(3) | 2004 | $2.4 million | 2025-12 |
Other causes in Seattle, WA
- Arts, culture and humanities 698
- Education 591
- 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
Every nonprofit in Seattle, WA · Philanthropy, voluntarism and grantmaking foundations nonprofits across the state · 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.