Mount Rainier above forested ridges in Washington

Private foundations Seattle, WAtax years 2023 to 2025

Private foundations in Seattle, WA

479 private foundations based in Seattle, WA filed a 990-PF in the last two years. In their latest returns they gave $7.6 billion in 14,386 grants, and 70 say they accept applications.

Foundations with a return in the last two years, each by its latest return (tax years 2023 to 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Largest givers

By grants paid, latest return
  1. Gates FoundationSeattle, WA · tax year 2024 4,974 grants Accepts applications $6,311,161,824 giving
  2. Bezos Family FoundationSeattle, WA · tax year 2024 Grants listed in an attachment (not in the e-file) Preselected only $349,936,476 giving
  3. The Aldarra FoundationSeattle, WA · tax year 2024 14 grants Preselected only $100,000,000 giving
  4. The Roots and Wings Foundation IncSeattle, WA · tax year 2024 518 grants Preselected only $66,598,179 giving
  5. The Holocene FoundationSeattle, WA · tax year 2024 28 grants Preselected only $60,184,675 giving
  6. Allen Family PhilanthropiesSeattle, WA · tax year 2024 112 grants Preselected only $57,950,248 giving
  7. The Norcliffe FoundationSeattle, WA · tax year 2024 454 grants Accepts applications $56,487,330 giving
  8. Fund for Art Science and TechnologySeattle, WA · tax year 2025 1 grant Preselected only $45,480,532 giving
  9. The Satterberg Foundation IncSeattle, WA · tax year 2024 282 grants Accepts applications $42,623,686 giving
  10. Marguerite Casey FoundationSeattle, WA · tax year 2024 208 grants Preselected only $32,993,061 giving
  11. Kaphan FoundationSeattle, WA · tax year 2024 86 grants Preselected only $22,932,455 giving
  12. Wilburforce FoundationSeattle, WA · tax year 2024 225 grants Accepts applications $19,341,000 giving
  13. Giving Grousbeck Fazzalari Dated April 20 2011Seattle, WA · tax year 2023 43 grants Accepts applications $17,799,483 giving
  14. The Starbucks FoundationSeattle, WA · tax year 2024 37 grants Preselected only $17,254,434 giving
  15. Washington Research FoundationSeattle, WA · tax year 2024 86 grants Preselected only $15,846,563 giving
  16. Fund for Science and TechnologySeattle, WA · tax year 2024 4 grants Preselected only $15,000,000 giving
  17. Schultz Family FoundationSeattle, WA · tax year 2024 66 grants Accepts applications $12,144,851 giving
  18. Raikes FoundationSeattle, WA · tax year 2024 269 grants Preselected only $11,304,371 giving
  19. Grousemont FoundationSeattle, WA · tax year 2024 179 grants Preselected only $10,205,500 giving
  20. The Jon and Mary Shirley FoundationSeattle, WA · tax year 2024 50 grants Preselected only $9,656,920 giving
  21. D&G Charitable FundSeattle, WA · tax year 2024 8 grants Preselected only $9,050,000 giving
  22. Medina FoundationSeattle, WA · tax year 2025 238 grants Preselected only $8,897,126 giving
  23. Stolte Family FoundationSeattle, WA · tax year 2024 97 grants Preselected only $8,379,538 giving
  24. Samis FoundationSeattle, WA · tax year 2024 73 grants Preselected only $8,322,959 giving
  25. Kenrose Kitchen Table FoundationSeattle, WA · tax year 2024 23 grants Preselected only $8,291,666 giving

Foundations that accept applications

Largest first

The return gives an application contact and does not check the preselected-only box.

  1. Gates FoundationSeattle, WA · tax year 2024 4,974 grants Accepts applications $6,311,161,824 giving
  2. The Norcliffe FoundationSeattle, WA · tax year 2024 454 grants Accepts applications $56,487,330 giving
  3. The Satterberg Foundation IncSeattle, WA · tax year 2024 282 grants Accepts applications $42,623,686 giving
  4. Wilburforce FoundationSeattle, WA · tax year 2024 225 grants Accepts applications $19,341,000 giving
  5. Giving Grousbeck Fazzalari Dated April 20 2011Seattle, WA · tax year 2023 43 grants Accepts applications $17,799,483 giving
  6. Schultz Family FoundationSeattle, WA · tax year 2024 66 grants Accepts applications $12,144,851 giving
  7. College Spark WashingtonSeattle, WA · tax year 2024 50 grants Accepts applications $3,876,544 giving
  8. The Jain Foundation IncSeattle, WA · tax year 2024 23 grants Accepts applications $3,436,865 giving
  9. Joshua Green Foundation IncSeattle, WA · tax year 2024 82 grants Accepts applications $3,099,229 giving
  10. Levitan Family FoundationSeattle, WA · tax year 2025 5 grants Accepts applications $2,551,723 giving
  11. CO2 FoundationSeattle, WA · tax year 2025 34 grants Accepts applications $2,251,048 giving
  12. The Bradburd Family FoundationSeattle, WA · tax year 2024 70 grants Accepts applications $1,602,000 giving
  13. Horizons FoundationSeattle, WA · tax year 2024 1 grant Accepts applications $1,436,000 giving
  14. Charlotte Y Martin Foundation-ImaSeattle, WA · tax year 2024 58 grants Accepts applications $1,317,750 giving
  15. The Conru FoundationSeattle, WA · tax year 2025 40 grants Accepts applications $1,285,000 giving
  16. The Lematta FoundationSeattle, WA · tax year 2025 4 grants Accepts applications $1,155,000 giving
  17. William E Wockner FoundationSeattle, WA · tax year 2024 Grants listed in an attachment (not in the e-file) Accepts applications $1,145,000 giving
  18. The Burning FoundationSeattle, WA · tax year 2025 56 grants Accepts applications $1,128,000 giving
  19. David and Patricia Giuliani Family FoundationSeattle, WA · tax year 2024 37 grants Accepts applications $1,119,500 giving
  20. Lawrence True & Linda Brown FoundationSeattle, WA · tax year 2025 19 grants Accepts applications $891,500 giving
  21. Washington Federal FoundationSeattle, WA · tax year 2025 180 grants Accepts applications $872,615 giving
  22. The Hugh and Jane Ferguson FoundationSeattle, WA · tax year 2025 70 grants Accepts applications $849,800 giving
  23. Pendleton and Elisabeth Carey Miller Charitable FoundationSeattle, WA · tax year 2025 16 grants Accepts applications $848,579 giving
  24. Edmund F Maxwell FoundationSeattle, WA · tax year 2025 131 grants Accepts applications $655,000 giving
  25. The Elizabeth George FoundationSeattle, WA · tax year 2024 30 grants Accepts applications $576,350 giving

Giving by cause

Grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. International aid99 foundations $808,546,71629% of the total
  2. Education176 foundations $637,127,65823% of the total
  3. Health105 foundations $448,612,83416% of the total
  4. Philanthropy and grantmaking121 foundations $221,190,7058% of the total
  5. Arts and culture152 foundations $131,431,8135% of the total
  6. Human services160 foundations $119,493,1094% of the total
  7. 19 other causes $431,840,10415% of the total

Most active small givers

Foundations with under $1 million in assets, by the number of grants they listed.

  1. McKinstry Charitable FoundationSeattle, WA · tax year 2025 322 grants Preselected only $1,512,900 giving
  2. Pinnacle Gardens FoundationSeattle, WA · tax year 2024 67 grants Preselected only $47,663 giving
  3. Moss Adams FoundationSeattle, WA · tax year 2024 64 grants Preselected only $1,030,442 giving
  4. Kubale Family FoundationSeattle, WA · tax year 2025 57 grants Preselected only $21,905 giving
  5. Riley W and Nancy A Pleas Family FoundationSeattle, WA · tax year 2025 48 grants Preselected only $55,375 giving
  6. Treeline FoundationSeattle, WA · tax year 2024 44 grants Preselected only $1,124,999 giving
  7. Donald Family FoundationSeattle, WA · tax year 2025 34 grants Preselected only $135,350 giving
  8. Glassybaby FoundationSeattle, WA · tax year 2025 33 grants Preselected only $544,962 giving
  9. The Elizabeth George FoundationSeattle, WA · tax year 2024 30 grants Accepts applications $576,350 giving
  10. Reuben's Brews FoundationSeattle, WA · tax year 2024 30 grants Accepts applications $19,586 giving
  11. The Holocene FoundationSeattle, WA · tax year 2024 28 grants Preselected only $60,184,675 giving
  12. The Bernstein Family FoundationSeattle, WA · tax year 2024 27 grants Preselected only $233,734 giving
  13. Goodfellow FundSeattle, WA · tax year 2025 26 grants Preselected only $216,000 giving
  14. Schuster FoundationSeattle, WA · tax year 2025 26 grants Preselected only $64,342 giving
  15. The Mannix Canby FoundationSeattle, WA · tax year 2025 25 grants Preselected only $480,000 giving