Bank of Marin Bancorp is the holding company for Bank of Marin, a California community and commercial bank founded in 1989 and headquartered in Novato. Its core business is relationship banking for small and medium-sized businesses, not-for-profit organizations, commercial real estate investors, and personal banking customers across Northern California. The bank operates 27 retail branches and 8 commercial banking offices, with a strong concentration in the Bay Area and nearby counties. In addition to traditional lending and deposit gathering, it offers wealth management, trust, custody, and estate settlement services, and it provides international banking access indirectly through correspondent relationships. The franchise differentiates itself through local decision-making, customized financing, and community-oriented service rather than scale.