Summit State Bank engages in providing an array of financial services to small and medium-sized businesses, their owners and employees, entrepreneurs, high net worth families, foundations, estates, and individual consumers. It specializes in business services, personal accounts, nonprofit programs, and mobile banking ranging from lending, checking, merchant, eBanking, automated teller machines, equity loans, and others. The company was founded on December 20, 1982 and is headquartered in Santa Rosa, CA.