NEW YORK--(BUSINESS WIRE)-- #creditratingagency--KBRA assigns a senior unsecured debt rating of BBB, a subordinated debt rating of BBB-, and a short-term debt rating of K3 to Novato, California-based Bank of Marin Bancorp (NASDAQ: BMRC) ("Marin" or "the company"). In addition, KBRA assigns deposit and senior unsecured debt ratings of BBB+, a subordinated debt rating of BBB, and short-term deposit and debt ratings of K2 to its main subsidiary, Bank of Marin. The Outlook for all long-term ratings is Stable. B ...