Contra Costa County is in San Francisco Bay Area California. Of the 58 counties in the El Dorado State, Contra Costa County is 50th in terms of its size (804 square miles). Recent Land Network data shows about 1,000 acres of undeveloped land for sale in California's Contra Costa County, which is valued at a combined $28 million. The average price of undeveloped acreage for sale in Contra Costa County was $865,991. Some suggested uses for undeveloped land currently for sale in Contra Costa County include for commercial, hunting/fishing, and vineyard use. Some common wildlife species to be found on undeveloped land for sale in Contra Costa County include quail, turkey, mule deer, dove and ducks. Current commercial applications for commercial property for sale in Contra Costa County include for commercial, hunting/fishing and vineyard use. Browse all California undeveloped land for sale on the Land Network to find your next commercial property or land investment.