Exhibit 32.2



                  CERTIFICATION OF CHIEF ADMINISTRATIVE OFFICER
                       PURSUANT TO 18 U.S.C. SECTION 1350



In connection with the accompanying Quarterly Report on Form 10-Q of the Company
for the three months ended September 30, 2004, I, Douglas N. Biddle, Chief
Administrative Officer of the Company, hereby certify pursuant to 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of
2002 that:

      1)    such Quarterly Report on Form 10-Q of the Company for the three
            months ended September 30, 2004, fully complies with the
            requirements of section 13(a) or 15(d) of the Securities Exchange
            Act of 1934; and

      2)    the information contained in such Quarterly Report on Form 10-Q of
            the Company for the three months ended September 30, 2004, fairly
            presents, in all material respects, the financial condition and
            results of operations of Plumas Bancorp.


Date:  November 10, 2004                 /s/ D. N. Biddle
       -----------------              -----------------------------------
                                      Douglas N. Biddle, Chief Administrative
                                                 Officer