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FDIC cert #57633bank

1st Security Bank of Washington

Sourced from the Federal Reserve E-Payments Routing Directory. Confirm with your bank before initiating wires.

Headquarters
Mountlake Terrace, WA
Branch locations
31
Total assets
$3.20B

1st Security Bank of Washington routing number

325182289

The ABA routing number for 1st Security Bank of Washington is 325182289. Use it for direct deposits, ACH transfers, and wires. Sourced from the Federal Reserve E-Payments Routing Directory — confirm with the bank before initiating wires.

1st Security Bank of Washington's best rates today

The strongest live rate we've scraped from 1st Security Bank of Washington in each product category. Tap a card to open an account on the bank's site.

Rates are scraped from public sources and may not reflect every promotion. Confirm the current rate on the bank's site before applying.

1st Security Bank of Washington contact information

Headquarters address sourced from the FDIC. Phone number sourced from the Federal Reserve E-Payments Routing Directory. Always verify before sending payments.

Headquarters
6920 220th St Sw
Mountlake Terrace, WA, 98043
Phone
(800) 683-0973
Website
WWW.FSBWA.com

1st Security Bank of Washington CD rates

Latest scraped APYs across 1 terms · as of 2026-06-01.

1st Security Bank of Washington branches near you

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Branch coverage by state

WA26 branches
OR5 branches