Tax-exempt organization ยท Files a Form 5500
THE SEATTLE FOUNDATION
1601 5TH AVE STE 1900, SEATTLE, WA 98101-3615
EIN
91-6013536
Tax-exempt status
501(c)(3) charitable, religious, educational
IRS · 2026-09
Deductibility
Contributions are deductible
IRS · 2026-09
Foundation classification
Publicly supported charity (170(b)(1)(A)(vi))
IRS · 2026-09
IRS ruling date
1947-10
IRS · 2026-09
NTEE code
T31
IRS · 2026-09
Latest tax period on file
2024-12
IRS · 2026-09
Revenue (latest 990)
$314,722,382
IRS · 2026-09
Assets (latest 990)
$1,449,925,075
IRS · 2026-09
Benefit plan 501, 2024 filing
WELFARE PLAN
DOL · 2026-01-26
Participants (start of year)
167
DOL · 2026-01-26
Plan features
code 4B4H
DOL · 2026-01-26
Plan type
Single-employer plan
DOL · 2026-01-26
Business code (NAICS)
813000
DOL · 2026-01-26
Benefit plan 1, 2024 filing
SEATTLE FOUNDATION DEFINED CONTRIBUTION RETIREMENT PLAN
DOL · 2025-10-14