Retail, Restaurant & Office space available in open-air. Available spaces for Hair Salon and Nail salon. shopping center in Central Napa. Jefferson Street exposure & convenient access Parking in shared lot Adjacent to Regional/National Tenants Traffic Counts: 21,491 ADT (2009) Prime north Napa location on Jefferson Street just south of Trancas. Minutes from Highway 29 Trancas Exit. Centrally located between three Napa High Schools. Near Queen of the Valley Hospital and Kaiser Medical Center.