Is Bank of Marin Bancorp overvalued or undervalued?

As of 8 September 2025, the valuation grade for Bank of Marin Bancorp has moved from expensive to fair. Based on the current metrics, the company appears to be fairly valued. Key ratios include a Price to Book Value of 0.82, an EV to Sales ratio of 0.62, and an EV to Capital Employed ratio of 0.54, which suggest that the company is trading at a reasonable valuation compared to its assets and sales.
In comparison to peers, Five Star Bancorp has a P/E ratio of 13.58, while Mid Penn Bancorp, Inc. stands at 12.76, indicating that Bank of Marin Bancorp is positioned competitively within its industry. Notably, the company has outperformed the S&P 500 over the past year with a return of 24.69% compared to the index's 17.14%, reinforcing the notion that it is fairly valued given its recent performance.