EXHIBIT 32.2


The following certification  accompanies North Bay Bancorp's Quarterly Report on
Form 10-Q and is not filed as provided in SEC Release Nos. 33-8212, 34-47551 and
IC 25967, dated March 21, 2003.


                  CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER
                       PURSUANT TO 18 U.S.C. SECTION 1350


In connection with the  accompanying  Quarterly Report on Form 10-Q of North Bay
Bancorp for the quarter ended March 31, 2004, I, Lee-Ann Cimino, Chief Financial
Officer of North Bay Bancorp, 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 North Bay  Bancorp  for the quarter
     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 North
     Bay Bancorp for the quarter ended March 31, 2004,  fairly presents,  in all
     material  respects,  the  financial  condition and results of operations of
     North Bay Bancorp.


Dated:  May 13, 2004                            /s/ Lee-Ann Cimino
                                                --------------------------------
                                                LEE-ANN CIMINO
                                                Chief Financial Officer



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