Treeclimber Foundation

Loeb Family Foundation

Bellevue, WA

Puget Sound Energy Foundation

Wilmington, DE

The Puget Sound Energy Foundation funds nonprofits serving communities where PSE has a service or generation presence, primarily in Washington, across household needs, education and workforce pathways, climate resilience, and community safety. Grants vary widely; in 2024 they ranged from $13 to $100,000, with a $500 median, while its 2026 disaster-focused competitive program offers up to $15,000. It generally does not accept unsolicited requests, but eligible local nonprofits can apply through that competitive program.

Casey Family Programs

Seattle, WA

Casey Family Programs funds child welfare, foster care prevention, and efforts to improve the safety and well-being of children and families, including work with nonprofits, public agencies, and Tribal communities. Its 2024 grants ranged from $50 to $555,000, with a median of $1,000, and it works across the United States, Puerto Rico, the U.S. Virgin Islands, and with Tribal Nations. It gives only to preselected charitable organizations and does not accept unsolicited funding requests.

Gates Foundation

Seattle, WA

The Gates Foundation funds work to reduce disease and poverty, improve health and gender equality in lower-income countries, and support education and economic mobility in the United States, especially Washington State; it works in more than 140 countries. Its 2024 grants had a median of $500,000, with awards ranging from $1 to $350.5 million. It generally does not accept unsolicited proposals, but periodically offers opportunities through published requests for proposals.

M J Murdock Charitable Trust

Vancouver, WA

The M.J. Murdock Charitable Trust funds nonprofit capacity-building and projects in arts and culture, civic and community services, education, health and environmental stewardship, and scientific research across Alaska, Idaho, Montana, Oregon, and Washington. Its 2024 median grant was $87,000, with awards ranging from $4,000 to about $1.55 million. Eligible organizations can submit a Letter of Inquiry; full applications are by invitation.

The Avista Foundation

Spokane, WA

The Avista Foundation supports 501(c)(3) nonprofits working in education, basic needs and poverty, and economic and cultural vitality. Its 2025 grants had a median of $1,000, though awards ranged from $20 to $350,000, and it serves communities in eastern Washington, northern Idaho, parts of southern Oregon, Sanders County, Montana, and Juneau, Alaska.