Durance Plumbing provides plumbing services to residential and commercial clients in Germantown. The company performs backflow prevention valve testing, repair, and maintenance which protects the drinking water from contamination as mandated by the Washington Suburban Sanitation Commission. Durance Plumbing also offers, installs, and repairs water heaters, and it provides drain and sewer services. This locally owned company has been serving in the community for over 20 years. It also services Montgomery, Howard, and Prince George's County.