Guaranteed Plumbing and its sister company, East Bay Gas Lines, provides its customers with the highest level of quality and customer satisfaction. We are a full-service plumbing and gas line company that is licensed, bonded and insured and fully-versed in city codes, as well as a preferred vendor with the Town of Danville Building Department. \n\nServing Danville and Alamo, as well as Contra...
Guaranteed Plumbing, Inc. was founded in Danville, California in 2003 by Marcus Madrid, its President. The company began wit...h a focus on residential service and remodel work. Through "word of mouth" reference that serve as a testament to the remarkably skilled and efficient nature of its staff, Guaranteed Plumbing quickly expanded to complete a myriad of residential and commercial projects...