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

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|Regarding
  Annual Report on Form 10-K for the Year Ended December 31, 2007                                                                                                                                                                                                                                                                                                                                       
|                                                                                                                                                                                                                                                                                                                                                                                                                  
|In connection
  with the Annual Report of Pacific State Bancorp (the Company) on Form 10-K
  for the year ended December 31, 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

| |                                        
| | ---------------------------------------
| | BY: Steven
  A. Rosso                  
| | President
  and Chief Executive Officer
| | Date: March
  28, 2008                 

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