UNITED STATES
                        SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C. 20549

                                     FORM 15
                                     -------

CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF
THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER
SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.

                        Commission File Number    000-19231
                        -----------------------------------

                               Redwood Empire Bancorp
                               -----------------------
             (Exact name of registrant as specified in its charter)

    111 Santa Rosa Avenue, Santa Rosa, California 95404-4905, (707) 573-4800
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(Address, including zip code, and telephone number, including area code, of
registrant's principal executive offices)

                             Common Stock, No Par Value
                             ---------------------------
               (Title of each class of securities covered by this Form)

                                          N/A
                                          ---
(Titles of all other classes of securities for which a duty to file reports
under section 13(a) or 15(d) remains)

Please place an X in the box(es) to designate the appropriate rule provision(s)
relied upon to terminate or suspend the duty to file reports:

      Rule 12g-4(a)(1)(i)   [X]            Rule 12h-3(b)(1)(i)   [X]
      Rule 12g-4(a)(1)(ii)  [ ]            Rule 12h-3(b)(1)(ii)  [ ]
      Rule 12g-4(a)(2)(i)   [ ]            Rule 12h-3(b)(2)(i)   [ ]
      Rule 12g-4(a)(2)(ii)  [ ]            Rule 12h-3(b)(2)(ii)  [ ]
                                           Rule 15d-6            [ ]

Approximate number of holders of record as of the certification or notice date:
                                         335
                                        -----

	Pursuant to the requirements of the Securities Exchange Act of 1934
Redwood Empire Bancorp has caused this certification/notice to be signed on its
behalf by the undersigned duly authorized person.

Date:    March 1, 2005	        By: Westamerica Bancorporation, successor by
          ------------              merger to Redwood Empire Bancorp

					  by:	 /S/ DENNIS R. HANSEN
                                     --------------------
                                     Dennis R. Hansen
                                     Senior Vice President and Controller