EXHIBIT 32.1


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 EXECUTIVE 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  September  30,  2004,  I,  Terry L.  Robinson,
President  and Chief  Executive  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 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 North Bay
Bancorp for the quarter  ended  September  30,  2004,  fairly  presents,  in all
material  respects,  the financial  condition and results of operations of North
Bay Bancorp.


Dated:    November 12, 2004


                  /s / Terry L. Robinson
                  -------------------------------------
                  TERRY L. ROBINSON
                  President and Chief Executive Officer





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