View Premier Agent Network's real estate listings for sale and for lease in Contra Costa County, CA. Search and analyze real estate information by price, number of bedrooms, bathrooms, property type (including townhouses, condominiums and single-family homes), sale type (including standard sales, short sales, foreclosures and pre-foreclosures), square footage, lot size and much more. Save your favorite homes for sale in Contra Costa County, CA and for lease in the client portal area and receive notifications when new properties come on the market within your search criteria. Request a showing or more information on a listing you are interested in or write an offer online. Find out how much your home is worth by requesting a comparative market analysis from one of our real estate agents.