The first line of action when addressing pipes that are leaking inside your wall is to find the main water valve on your property. For my property, it's down in the basement, and I can shut it off with no meter key. In this picture below, the main water valve was located at the front of the property near the curb, inside the water meter. There, a meter key was needed to shut off the main water valve, turning it between 90 to 180 degrees clockwise. Force this project, mater