Photo: Camarillo Ranch House, ca. 1892, 201 Camarillo Ranch Road, Camarillo, CA. Listed on the National Register of Historic Places in 2003. Photographed by user:Los Angeles (own work), 2008, [cc-by-3.0 (creativecommons.org/licenses/by/3.0)], via Wikimedia Commons, accessed October, 2015.
Ventura County administrative offices are located at 800 South Victoria Avenue, Ventura, CA 93009; phone: 804‑654‑2681.
Ventura County was created in 1873 from part of Santa Barbara County. The Southern Pacific Railroad arrived in the county seat in 1887. It is the railroad which popularized the shortened name, Ventura, for the official city name, San Buenaventura.