| 1 | Gates Foundation Trust Kirkland | $231.7B | $0 | $77.6B |
| 2 | Pivotal Philanthropies Foundation Redmond | $17.4B | $0 | $7.4B |
| 3 | Gates Foundation Seattle | $8.2B | $0 | $78.7B |
| 4 | Pivotal Philanthropies Opportunity Foundation Redmond | $2.3B | $0 | $962.6M |
| 5 | Pivotal Philanthropies Momentum Foundation Redmond | $2.3B | $0 | $962.6M |
| 6 | Allen Family Philanthropies Seattle | $1.9B | $0 | $1.4B |
| 7 | The Seattle Foundation Seattle | $785.0M | $314.7M | $1.4B |
| 8 | M J Murdock Charitable Trust Vancouver | $693.8M | $0 | $2.0B |
| 9 | Christ Cares for Kids Foundation Issaquah | $444.8M | $0 | $236.4M |
| 10 | Bezos Family Foundation Seattle | $375.8M | $0 | $154.2M |
| 11 | Greater Good Charities Seattle | $316.4M | $311.9M | $16.0M |
| 12 | Roots and Wings Foundation INC Seattle | $255.0M | $0 | $611.8M |
| 13 | Casey Family Programs Seattle | $211.0M | $0 | $2.7B |
| 14 | Apex Foundation Bellevue | $159.0M | $0 | $147.8M |
| 15 | Ken Birdwell Foundation Seattle | $158.5M | $0 | $147.2M |
| 16 | Konzen Family Foundation Bellevue | $157.6M | $0 | $97.1M |
| 17 | Names Family Foundation Fircrest | $142.4M | $0 | $178.4M |
| 18 | Aldarra Foundation Seattle | $101.2M | $0 | $946K |
| 19 | Blue Mountain Community Foundation Walla Walla | $80.6M | $31.9M | $112.6M |
| 20 | Bradburd Family Foundation Dtd 61898 Between Arnold W Etal Seattle | $70.0M | $0 | $35.6M |
| 21 | United Way of King County Seattle | $68.1M | $67.2M | $57.4M |
| 22 | Wilburforce Foundation Seattle | $68.1M | $0 | $153.3M |
| 23 | Satterberg Foundation Seattle | $63.6M | $0 | $425.6M |
| 24 | Raikes Foundation Seattle | $61.3M | $0 | $97.7M |
| 25 | Community Foundation for Southwest Washington Vancouver | $56.2M | $42.7M | $401.8M |
| 26 | Community Foundation of South Puget Sound Olympia | $54.2M | $18.5M | $44.1M |
| 27 | Community Foundation of North Central Washington Wenatchee | $45.7M | $22.6M | $174.0M |
| 28 | Keller Foundation Vancouver | $45.3M | $0 | $100.1M |
| 29 | Innovia Foundation Spokane | $42.6M | $35.1M | $256.3M |
| 30 | Harnish Foundation Tukwila | $40.2M | $0 | $99.2M |
| 31 | Schultz Family Foundation Seattle | $39.7M | $0 | $355.2M |
| 32 | Firstenburg Foundation Vancouver | $38.9M | $0 | $42.8M |
| 33 | Greater Tacoma Community Foundation Tacoma | $38.0M | $25.2M | $185.7M |
| 34 | Wayne D Kuni and Joan E Kuni Vancouver | $36.9M | $0 | $172.1M |
| 35 | Ellison Foundation Bellevue | $33.6M | $0 | $45.9M |
| 36 | Grays Harbor Community Foundation Hoquiam | $31.9M | $31.9M | $106.8M |
| 37 | David and Patricia Giuliani Family Foundation Seattle | $31.7M | $0 | $36.3M |
| 38 | Sage Foundation Arlington | $31.5M | $0 | $53.8M |
| 39 | Tsf Properties Seattle | $31.0M | $15.5M | $0 |
| 40 | Conru Foundation Seattle | $30.0M | $0 | $39.6M |
| 41 | The Russell Family Foundation Gig Harbor | $29.3M | $0 | $76.6M |
| 42 | Gary E Milgard Family Foundation-cari Tacoma | $28.0M | $0 | $115.3M |
| 43 | Gary E Milgard Family Foundation - Mark Tacoma | $26.9M | $0 | $120.5M |
| 44 | Red Crow Charitable Foundation Seattle | $26.7M | $0 | $36.6M |
| 45 | Thrive Causemetics Foundation Bellevue | $25.3M | $0 | $13.4M |
| 46 | Tew Foundation Seattle | $24.8M | $0 | $22.8M |
| 47 | Aven Foundation Medina | $24.5M | $0 | $74.5M |
| 48 | Mps Charitable Foundation Kirkland | $24.5M | $0 | $40.8M |
| 49 | Ss Family Foundation Bellevue | $24.4M | $0 | $48.1M |
| 50 | Community Foundation of Snohomish County Everett | $24.1M | $9.4M | $55.7M |