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 September 30, 2007, 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 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

                                        Date: November 14, 2007

                                        /s/ JoAnne Roberts
                                        -----------------------
                                        JoAnne Roberts
                                        Senior Vice President and
                                        Chief Financial Officer

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