Check our website for special discounts on select repairs!!!!(workhouseplumbing.com) Workhouse Plumbing is a "veteran owned & operated" service oriented plumbing company serving the entire DC Metro area. You will have a master plumber on every call with 20+ years experience in all aspects of plumbing. We are one of the few state licensed class "A" contractors certified to test and install backflow prevention devices. We are on call 24hrs to respond to any emergency plumbing problem you may encounter. We promise ethical pricing, unequalled customer service, and are grateful to be able to do business with everyone.