EXHIBIT 32.1

                            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 San Joaquin Bancorp (the "Company")
on Form 10-Q for the  quarter  ended  June 30,  2006,  as filed  with the United
States  Securities  and Exchange  Commission,  each of the  undersigned,  in the
capacities and on the date indicated  below,  hereby  certifies,  pursuant to 18
U.S.C.  Section 1350, as adopted  pursuant to Section 906 of the  Sarbanes-Oxley
Act of 2002, that:

     (1)  The report fully  complies with the  requirements  of Section 13(a) or
          15(d) of the  Securities  Exchange  Act of 1934;
     (2)  The  information  contained  in the  report  fairly  presents,  in all
          material respects,  the financial  condition and results of operations
          of the Company.




/s/ Bart Hill
--------------------------------------
Bart Hill
Chief Executive Officer
(Principal Executive Officer)
August 14, 2006



/s/ Stephen M. Annis
--------------------------------------
Stephen M. Annis
Chief Financial Officer
(Principal Financial and Accounting Officer)
August 14, 2006