This group is for people looking for housing or roommates to rent a place in the contra costa county area. SabbaticalHomes home rental, sublet and exchange listings near Contra Costa College.When you find a new place to rent, you and your new landlord must fill out the Request for Tenancy Approval (RTA) form in your packet and send it to us. SabbaticalHomes home rental, sublet and exchange listings near Contra Costa Community College. Search available rooms for rent in Contra Costa County, CA with the largest and most trusted rental site. Search 797 homes for rent in Contra Costa County, CA. See detailed rental info and photos. Search 224 houses for rent in Contra Costa County, CA. See detailed rental info and photos. See all 756 apartments and houses for rent in Contra Costa County, CA, including cheap, affordable, luxury and pet-friendly rentals. Search 40 5-bedroom homes for rent in Contra Costa County, CA. See detailed rental info and photos. Your account set-up is almost complete.