Foundations · IRS 990 filings

Foundations in Seattle, Washington

410
foundations with a Seattle address
$7.96B
grants paid, FY2023–FY2025
60
say they accept unsolicited
$13,863
median grant

Grantlas lists 410 foundations that gave a Seattle, Washington address on their tax filing — 390 private foundations and 20 grantmaking charities such as community foundations and United Ways — from filings for FY2023–FY2025. Together they paid out $7.96 billion in grants in their latest filing year, and 60 of them (15%) say they accept unsolicited requests.

Not every foundation here is a Seattle foundation. The city is the mailing address on the foundation’s tax filing, and when a bank or a law firm runs the trust that is the bank’s address, not the place it gives to. Check where a foundation gives before you write.

Top 25 of 410 foundations

All 25 foundations below say on their 990-PF that they accept unsolicited requests. Another 35 in this list say so too. Ranked by what they paid in grants in their latest filing.

Foundations in Seattle, Washington
Gates Foundation$500,000$6.31B$1–$350.5MFY2024Locked: fit score and contacts
The Norcliffe Foundation$15,000$56.5M$500–$7.1MFY2024Locked: fit score and contacts
The Satterberg Foundation Inc$125,000$42.6M$500–$1MFY2024Locked: fit score and contacts
Wilburforce Foundation$50,000$19.3M$1,000–$800,000FY2024Locked: fit score and contacts
Giving Grousbeck Fazzalari$50,000$17.8M$1,000–$3.7MFY2023Locked: fit score and contacts
Schultz Family Foundation$100,000$12.1M$2,500–$1.4MFY2024Locked: fit score and contacts
College Spark Washington$60,000$3.9M$250–$360,000FY2024Locked: fit score and contacts
The Jain Foundation Inc$121,329$3.4M$22,136–$600,000FY2024Locked: fit score and contacts
Joshua Green Foundation Inc$5,000$3.1M$250–$500,000FY2024Locked: fit score and contacts
Levitan Family Foundation$3,750$2.6M$526–$2.5MFY2025Locked: fit score and contacts
Co2 Foundation$50,000$2.3M$1,250–$190,000FY2025Locked: fit score and contacts
The Bradburd Family Foundation$10,000$1.6M$2,000–$150,000FY2024Locked: fit score and contacts
Horizons Foundation$1.4M$1.4M—FY2024Locked: fit score and contacts
Charlotte Y Martin Foundation-Ima$15,000$1.3M$5,000–$312,020FY2024Locked: fit score and contacts
The Conru Foundation$10,000$1.3M$1,000–$350,000FY2025Locked: fit score and contacts
The Lematta Foundation$50,000$1.2M$10,000–$5.7MFY2025Locked: fit score and contacts
William E Wockner Foundation$1.1M$1.1M—FY2024Locked: fit score and contacts
The Burning Foundation$20,000$1.1M$10,000–$30,000FY2025Locked: fit score and contacts
David and Patricia Giuliani Family$20,000$1.1M$10,000–$125,000FY2024Locked: fit score and contacts
Lawrence True & Linda Brown Foundation$20,000$891,500$500–$250,000FY2025Locked: fit score and contacts
Washington Federal Foundation$2,500$872,615$500–$100,000FY2025Locked: fit score and contacts
The Hugh and Jane Ferguson Foundation$10,000$849,800$300–$90,000FY2025Locked: fit score and contacts
Pendleton and Elisabeth Carey Miller$22,500$848,579$2,000–$358,534FY2025Locked: fit score and contacts
The Elizabeth George Foundation$20,000$576,350$10,000–$30,000FY2024Locked: fit score and contacts
Henry M Jackson Foundation$5,000$568,500$500–$250,000FY2024Locked: fit score and contacts
  • Median grant and grant range come from the 990-PF grant schedule; a dash means there is none to report.
  • “One grant” means a schedule with a single grant — no median, nothing to range over. “One amount” means several grants, all the same size.

385 more foundations — see all in Grantlas

Data from 990-PF and Form 990 filings, FY2023–FY2025. Updated November 8, 2026.