The value of all land and rural real estate for sale in Ventura County, California, recently was nearly $862 million, representing a combined 31,163 acres of land for sale in Ventura County. Ventura County ranks 27th in California for the total number of acres of land currently advertised for sale. Of all locations in Ventura County with ranches, farms, hunting land and other rural land and acreage for sale, Ojai had the most land for sale. Ventura County is California's 24th biggest county (2,208 square miles). It's located in the Central Coast California region of the state.