Is Bank of Marin Bancorp overvalued or undervalued?

As of 3 October 2025, the valuation grade for Bank of Marin Bancorp has moved from expensive to attractive, indicating a shift towards a more favorable assessment. The company appears undervalued, particularly when considering its Price to Book Value of 0.82, EV to Capital Employed of 0.54, and EV to Sales ratio of 0.62. In comparison to peers, Five Star Bancorp has a P/E ratio of 13.58, while Mid Penn Bancorp, Inc. stands at 12.76, both suggesting that Bank of Marin Bancorp may be trading at a discount relative to its industry.
Despite recent stock performance showing a decline of 4.11% over the past week compared to a 1.09% gain in the S&P 500, the one-year return of 21.10% outpaces the S&P 500's 17.82%, reinforcing the notion that the stock may be undervalued in the current market context.