Previous Next DescriptionPhotosAlta Fence Co. provides fence company services in Contra Costa County. Contact us for full details. Alta Fence Co. 1409 W 4th St Antioch, CA +1 925-777-9877 listing-default Map Loading... No Records Found Sorry, no records were found. Please adjust your search criteria and try again. Maps failed to load Sorry, unable to load the Maps API. Previous Â