1st Security Bank of Washington 29 branches across 2 states · $2.57B deposits

About the institution. 1st Security Bank of Washington is identified by FDIC certificate number 57633. The headquarters address shown (6920 220th St Sw, Mountlake Terrace, Washington) is the institution's main office as registered with the FDIC. For multi-state holding companies, this is the chartered bank entity's main office — which may differ from the corporate brand's perceived home or from the parent holding company's address (e.g., JPMorgan Chase Bank, N.A. is chartered in Ohio while its parent holding company sits in New York).