Grantmaking foundations in Sammamish, WA
14 grantmaking foundations in Sammamish, Washington, ranked by recent giving reported to the IRS (about $5.1M combined).
Top foundations by giving
- $1.9M (2025)
- $950K (2024)
- $850K (2024)
- $570K (2026)
- $270K (2025)
- $140K (2025)
- $93K (2025)
- $85K (2024)
- $84K (2025)
- $52K (2025)
- $45K (2025)
- $32K (2025)
- $19K (2025)
- $240 (2025)
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Causes in Washington
- Philanthropy, Voluntarism and Grantmaking Foundations 1,432 foundations
- Human Services 180 foundations
- Community Improvement and Capacity Building 172 foundations
- Education 96 foundations
- Arts, Culture and Humanities 91 foundations
- Environment 71 foundations
- Health Care 57 foundations
- Public and Societal Benefit 53 foundations
- Youth Development 40 foundations
- Crime and Legal-Related 33 foundations
- Mental Health and Crisis Intervention 30 foundations
- Housing and Shelter 30 foundations
- Diseases, Disorders and Medical Disciplines 29 foundations
- Civil Rights, Social Action and Advocacy 27 foundations
- Medical Research 24 foundations
- Recreation and Sports 23 foundations
- Animal-Related 21 foundations
- Religion-Related 20 foundations
- Public Safety, Disaster Preparedness and Relief 17 foundations
- Science and Technology 16 foundations
- International, Foreign Affairs and National Security 14 foundations
- Unknown 11 foundations