EXHIBIT 32.1

                              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 June 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 his
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

                                           Date: August 14, 2007

                                           /s/ Steven A. Rosso
                                           -------------------------------------
                                           Steven A. Rosso
                                           President and Chief Executive Officer