Many new homeowners, even long time homeowners, do not know where to shut off their main water supply. As plumbers, we know emergencies happen when you least expect it. Therefore, it is critical to know the location of the valve. You should locate and shut off your main water supply then contact your local plumber to prevent sky high water bills and excessive damage to your home in emergencies like water leaks and pipe bursts. Watch this short informational video on how to locate and shut off the main water supply to a home.