Exhibit 32.1

                  CERTIFICATION OF PRINCIPAL ACCOUNTING 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 March 31, 2004, I, Andrew J. Ryback, Controller and
Principal Accounting 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 March 31, 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 year ended March 31,2004,
            fairly presents, in all material respects, the financial condition
            and results of operations of Plumas Bancorp.

   Date: May 13, 2004                   /s/ Andrew Ryback
                                      --------------------------------
                                      Andrew J. Ryback, Controller and Principal
                                                 Accounting Officer