1 EXHIBIT 23.3 CONSENT OF INDEPENDENT AUDITORS As independent public accountants and auditors, we hereby consent to the incorporation by reference in this registration statement on Form S-4 of our report dated January 29, 1998 included in United Security Bancorporation's Annual Report on Form 10-K for the year ended December 31, 1997. /s/ Moss Adams LLP -------------------------------------- Everett, Washington May 28, 1998