Exhibit 32.2

                             PACIFIC STATE BANCORP

                           CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350
                             AS ADOPTED PURSUANT TO
                 SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


         In connection with the Quarterly Report of Pacific State Bancorp (the
"Company") on Form 10-Q for the period ended March 31, 2005, as filed with the
Securities and Exchange Commission on the date hereof (the "Report'), the
undersigned hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of her
knowledge, that:

         (1)      The Report fully complies with the requirements of Section 13
                  (a) or 15 (d) of the Securities and Exchange Act of 1934; and

         (2)      The information contained in the Report fairly presents, in
                  all material respects, the financial condition and results of
                  operations of the Company


                                       PACIFIC STATE BANCORP

Date: May 16, 2005                     BY: /s/ JOANNE ROBERTS
                                           -------------------------------------
                                           JoAnne Roberts
                                           Senior Vice President and
                                           Chief Financial Officer


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