The group's principal activity is to provide commercial banking services to individuals, business and agricultural communities in napa and solano counties in California. It operates five offices in napa county and four offices in solano county. Retail commercial banking operations include accepting deposits and providing consumer loans, commercial loans, construction loans and real estate loans. The group is a member of the star, visa and plus ATM networks, providing customers with access to point of sale and ATM service worldwide. It offers Internet banking services to support accounts inquiries, transfer between accounts and automatic reconciliation and bill payment services.