EXHIBIT 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

         In  connection  with the Annual Report of Oregon  Pacific  Bancorp (the
"Company") on Form 10-K for the period  ending  December 31, 2004, as filed with
the Securities and Exchange  Commission on the date hereof (the  "Report"),  the
undersigned,  Thomas K.  Grove,  President  and Chief  Executive  Officer of the
Company and of Oregon Pacific Banking Co. (the "Bank"),  certifies,  pursuant to
18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002,  that:  (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 result of operations of the Company and the Bank.

Date: March 30, 2005.

/s/ Thomas K. Grove
- -------------------
Thomas K. Grove
President and Chief Executive Officer



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