Contra Costa County is in San Francisco Bay Area California. Of the 58 counties in the El Dorado State, Contra Costa County ranks 50th in terms of size (804 square miles). California's Contra Costa County includes almost 1,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of farms, ranches, hunting land and other land for sale here was almost $54 million. The average price of undeveloped land for sale in Contra Costa County was $1 million. Some suggested uses for undeveloped land currently for sale in Contra Costa County include for hunting/fishing, commercial, and vineyard use. Some common wildlife species to be found on undeveloped land for sale in Contra Costa County include quail, turkey, dove, ducks and blacktail deer. Current commercial applications for commercial property for sale in Contra Costa County include for hunting/fishing, commercial and vineyard use. Browse all California undeveloped land for sale on the Land Network to find your next commercial property or land investment.