Item 7.01. Regulation FD Disclosure.

On March 19, 2009, Columbia Bancorp (NASDAQ: CBBO) and its subsidiary Columbia River Bank (together, the "Company") issued a press release announcing that Dr. Frank K. Toda had been nominated to serve on the Company's Board of Directors. Dr. Toda's nomination is subject to approval by the Federal Deposit Insurance Corporation (the "FDIC") and the Oregon Department of Finance and Corporate Securities (the "DFCS"), our primary regulators. If approved by the FDIC and DFCS and subsequently elected by the shareholders at the annual meeting on April 23, 2009, Dr. Toda will serve as a board member and the financial expert for the audit committee. Other than normal banking relationships, there are no transactions or arrangements between Dr. Toda and Columbia Bancorp.

A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K. As provided in General Instruction B.2 of Form 8-K, the information contained in this filing shall not be deemed to be "filed" for purposes of
Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing. In furnishing this information, we make no admission as to the materiality of any information in this report that is required to be disclosed solely by reason of Regulation FD.

Information presented in this report is accurate as of the date the report is filed with the SEC. We do not undertake any duty to update our forward-looking statements or the factors that may cause us to deviate from them, except as required by law.

Item 9.01. Exhibits.

(c) Exhibits

99.1 Press Release dated March 19, 2009.

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