A plumbing line drawing in Montreal, Quebec provides a simple visual map of how water supply and drainage pipes run through a property. It helps homeowners, investors, and real estate professionals understand the plumbing layout without opening walls or guessing pipe routes. These drawings are useful during home inspections, renovations, insurance checks, and property sales. In Montreal’s older and newer homes alike, a clear plumbing line drawing supports better planning, faster repairs, and fewer surprises. Whether you’re maintaining a house or preparing it for sale, accurate plumbing documentation adds clarity, confidence, and long-term value.