 Napa Valley Bank was founded upon the expanding wine and tourism industries in the area in the 1960s.CapitolBank in Sacramento County and Gold Country Bank in Nevada County were fueled by the influx of retirees when that area in the western foothills of the Sierra Nevada mountain range became an attractive relocation spot for older citizens in the 1970s.During the 1970s, the parent company, Independent Bancshares Corporation, followed a conservative acquisition policy that entailed purchasing community banks in a county-by-county stepping-stone pattern.