Exhibit 32.1

                            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 Quarterly Report of Northrim BanCorp, Inc. (the
"Company") on Form 10-Q for the period ending June 30, 2006, as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, R. Marc
Langland, Chief Executive Officer of the Company, certify, 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.

This certification is being furnished solely to comply with the requirements of
18 U.S.C. Section 1350, and shall not be incorporated by reference into any of
the Company's filings under the Securities Act of 1933 or the Securities
Exchange Act of 1934, or otherwise be deemed to be filed as part of the Report
or under such Acts.

                                                /s/ R. Marc Langland
                                                --------------------------------
                                                R. Marc Langland
                                                Chief Executive Officer

August 8, 2006