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Grantmaking foundations in Issaquah, WA

22 grantmaking foundations in Issaquah, Washington, ranked by recent giving reported to the IRS (about $6.7M combined).

Top foundations by giving

  1. King County Library System Foundation
    Issaquah, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.5M (2024)
  2. John L Locke Jr Charitable Trust
    Issaquah, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.2M (2025)
  3. Lott Foundation
    Issaquah, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $630K (2024)
  4. Issaquah Schools Foundation
    Issaquah, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $480K (2025)
  5. Paul M Anderson Foundation
    Issaquah, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $370K (2025)
  6. The Larson Family Foundation
    Issaquah, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $340K (2025)
  7. Ernst & Young US Llp
    Issaquah, WA · Community Improvement and Capacity Building
    $340K (2023)
  8. Duim Family Foundation
    Issaquah, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $320K (2025)
  9. Costco Foundation
    Issaquah, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $290K (2025)
  10. Praise for Today Foundation
    Issaquah, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $230K (2024)
  11. Toys for Kids
    Issaquah, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $220K (2023)
  12. Orrico Foundation
    Issaquah, WA
    $200K (2024)
  13. Not Yet Foundation
    Issaquah, WA · Human Services
    $140K (2025)
  14. Jordan and Andrea Lott Foundation
    Issaquah, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $140K (2024)
  15. Rucoda Foundation
    Issaquah, WA
    $130K (2022)
  16. Ruby Room
    Issaquah, WA · Human Services
    $42K (2025)
  17. Evolving Earth Foundation
    Issaquah, WA
    $30K (2022)
  18. Temcov Foundation
    Issaquah, WA · Environment
    $25K (2025)
  19. Lester W Mittelstaedt Foundation
    Issaquah, WA
    $14K (2025)
  20. Behind the Badge Foundation
    Issaquah, WA · Medical Research
    $10K (2024)
  21. Iit Guwahati Alumni Association
    Issaquah, WA · Education
    $3K (2024)
  22. Cho Foundation
    Issaquah, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $2.8K (2024)

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