EXHIBIT 32.1

                      CERTIFICATION OF SERVICE 1st BANCORP
  PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 REGARDING QUARTERLY
            REPORT ON FORM 10-QSB FOR THE QUARTER ENDED JUNE 30, 2006


         Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections
(a) and (b) of section 1350, chapter 63 of title 18, United States Code), each
of the undersigned officers of Service 1st Bancorp, a California corporation
("Bancorp"), does hereby certify that:

1.       Bancorp's Quarterly Report on Form 10-QSB for the quarter ended June
         30, 2006 (the "Form 10-QSB") fully complies with the requirements of
         Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as
         amended; and

2.       Information contained in the Form 10-QSB fairly presents, in all
         material respects, the financial condition and results of operations of
         Bancorp.




Date: August 11, 2006                    By: /s/ JOHN O. BROOKS
                                             -----------------------------------
                                             John O. Brooks
                                             Chief Executive Officer
                                             (Principal Executive Officer)

Date: August 11, 2006                    By: /s/ ROBERT E. BLOCH
                                             -----------------------------------
                                             Robert E. Bloch
                                             Executive Vice President and
                                             Chief financial Officer
                                             (Principal Financial and
                                             Accounting Officer)



         A signed original of this written statement required by Section 906 has
been provided to Service 1st Bancorp and will be retained by Service 1st Bancorp
and furnished to the Securities and Exchange Commission or its staff upon
request.

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