Item 8.01. Other Events.

On September 28, 2009, Tamalpais Bancorp (the "Company"), entered into a Note and Warrant Purchase Agreement (the "Agreement") with Larry E. Rosenberger, a director of the Company, whereby Mr. Rosenberger agreed to provide the Company with $500,000. In exchange, the Company issued to Mr. Rosenberger an unsecured promissory note and a warrant. The note has a principal balance of $500,000, accrues interest at the rate of 0.75% per annum, all of which is payable upon termination of the note, can be prepaid by the Company at any time prior to maturity, and has a three year term. The warrant represents the right to purchase 12,500 shares of common stock at an exercise price of $6.00 per share and expires five years from the date of issuance. The funds will be used for general corporate expenses of Tamalpais Bancorp.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit Number Description

99.1 Press Release dated October 2, 2009 issued by Tamalpais Bancorp.

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