EXHIBIT 32 CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER AND THE PRINCIPAL FINANCIAL OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 I, R. Terry Phillips, President and Chief Executive Officer of United Security Bancshares, Inc., and Robert Steen, Assistant Vice President, Assistant Treasurer and Principal Financial Officer of United Security Bancshares, Inc., certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report on Form 10-Q of United Security Bancshares, Inc. for the fiscal quarter ended June 30, 2004 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of United Security Bancshares, Inc. /s/ R. Terry Phillips R. Terry Phillips President and Chief Executive Officer August 5, 2004 /s/ Robert Steen Robert Steen Assistant Vice President, Assistant Treasurer and Principal Financial Officer August 5, 2004