Friedman Plumbing Express, “Your Full Service Plumbing Company”, has been Family owned and operated since 1963 when Friedman, a Master Plumber and Raymond Simpson, a Professional Engineer, decided that it was time for the Maryland, Virginia and Washington, D.C. Metro area to have a plumbing company that treated it’s customers like family. That’s what Friedman Plumbing Express does. So Expect your Job, (Big or Small) to be handled quickly and efficiently by a Highly Knowledgeable Plumber. Our Plumbers have the Experience to handle the Most Difficult or Simple Plumbing Problems you have!