Plumbing and Sewer Specialist in the Contra Costa County Since 1974. State Licensed #836626. Family owned business serving areas such as Walnut Creek, Orinda, Alamo, Danville, Concord, Martinez, Pleasant Hill, Moraga, Layafette, Pacheco & Clayton.. Plumbing Repairs and Installation,Water,Gas,Drain Lines,Disposals,Faucets,Water Heaters,Tankless Water Heaters,Earthquake Valves,Remodeling,Additions and Repiping