Bank Branches › Washington › King County › 601 Union Street, Suite 3100
Full-service office · FDIC office no. 357542
Washington Trust Bank
601 Union Street, Suite 3100, Seattle, WA 98101
Open · June 2026
$1.3B
deposits, 2026
2000
established
8th
of 411 in county
1
name on the sign
| Date | Bank on the sign | Deposits | Change |
|---|---|---|---|
| Jun 30 2026 | Washington Trust Bank | $1.3B | 0% |
| Jun 30 2025 | Washington Trust Bank | $1.3B | +7% |
| Jun 30 2024 | Washington Trust Bank | $1.2B | −7% |
| Jun 30 2023 | Washington Trust Bank | $1.3B | −25% |
| Jun 30 2022 | Washington Trust Bank | $1.7B | +2% |
| Jun 30 2021 | Washington Trust Bank | $1.7B | +10% |
| Jun 30 2020 | Washington Trust Bank | $1.5B | +33% |
| Jun 30 2019 | Washington Trust Bank | $1.1B | +7% |
| Jun 30 2018 | Washington Trust Bank | $1.1B | +8% |
| Jun 30 2017 | Washington Trust Bank | $984M | −3% |
| Jun 30 2016 | Washington Trust Bank | $1.0B | +33% |
| Jun 30 2015 | Washington Trust Bank | $759M | +17% |
| Jun 30 2014 | Washington Trust Bank | $648M | −1% |
| Jun 30 2013 | Washington Trust Bank | $656M | −3% |
| Jun 30 2012 | Washington Trust Bank | $674M | +71% |
| Jun 30 2011 | Washington Trust Bank | $394M | +13% |
| Jun 30 2010 | Washington Trust Bank | $347M | +30% |
| Jun 30 2009 | Washington Trust Bank | $266M | +10% |
| Jun 30 2008 | Washington Trust Bank | $243M | −21% |
| Jun 30 2007 | Washington Trust Bank | $306M | +84% |
| Jun 30 2006 | Washington Trust Bank | $166M | +16% |
| Jun 30 2005 | Washington Trust Bank | $143M | +5% |
| Jun 30 2004 | Washington Trust Bank | $136M | +35% |
| Jun 30 2003 | Washington Trust Bank | $101M | +68% |
| Jun 30 2002 | Washington Trust Bank | $60.3M | +201% |
| Jun 30 2001 | Washington Trust Bank | $20.0M | +294% |
| Jun 30 2000 | Washington Trust Bank | $5.1M |
Nearest other open offices in King County
- <0.1 miZions Bancorporation, N.A. · 601 Union St, Ste 3600, Seattle
- <0.1 miFirst Interstate Bank · 601 Union St, Ste 3000, Seattle
- <0.1 miMechanics Bank · 1314 6th Ave, Seattle
- 0.1 miU.S. Bank National Association · 1420 5th Ave, Seattle
- 0.1 miHeritage Bank · 1420 5th Ave, Ste 3600, Seattle
- 0.2 miBank of America, National Association · 401 Union St, Seattle
- 0.2 miSeattle Bank · 401 Union Street, Floor 29, Seattle
- 0.2 miNorthwest Bank · 1301 5th Ave, Ste 2110, Seattle
All banks in King County →
Every Washington Trust Bank office →
Earlier names and banks folded into Washington Trust Bank →
Deposits are the balances the bank assigned to this office on June 30 of each year, in nominal dollars. Source: FDIC Summary of Deposits, office (UNINUMBR) 357542.