EXHIBIT 32.2

                CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

     In connection with the Annual Report of Bay View Capital Corporation (the
"Company") on Form 10-K/A for the year ended December 31, 2003 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, John
Okubo, Executive Vice President and Chief Financial 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 to the best of my knowledge:

     1.   The Report 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 the Report fairly presents, in all
          material respects, the financial condition and results of operations
          of the Company for the periods presented therein.

Date: August 13, 2004

                                        /s/ John Okubo
                                        ----------------------------
                                        John Okubo
                                        Executive Vice President and
                                        Chief Financial Officer

     A signed original of this written statement required by Section 906 has
been provided to Bay View Capital Corporation and will be retained by Bay View
Capital Corporation and furnished to the Securities and Exchange Commission or
its staff upon request.