EXHIBIT 32.1


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

      The following certification accompanies the issuer's Annual Report on
           Form 10-K and is not filed, as provided in Release 33-8212.
                         34-47551 dated March 21, 2003.




                                  EXHIBIT 32.1


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

In  connection  with the  accompanying  Annual  Report on Form 10-K of North Bay
Bancorp for the year ended  December 31, 2003, 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 2003 that:

(1) such  Annual  Report on Form 10-K of North Bay  Bancorp  for the year  ended
December 31, 2003,  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 Annual  Report on Form 10-K of North Bay
Bancorp for the year ended December 31, 2003,  fairly presents,  in all material
respects,  the  financial  condition  and  results  of  operations  of North Bay
Bancorp.


Dated:  March 25, 2004

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