Mounting devices and methods for securing an exterior faucet or lines to an exterior wall of a building are provided. In one embodiment, a mounting device for securing an exterior faucet to an exterior wall of a building may include a pair of plates, a pair of first fasteners, and a pair of second fasteners. Each of the plates may include a base, a pair of arms extending from the base and spaced apart from one another, a first hole extending through the plate, and a second hole extending through the plate. The first fasteners may be configured to pass through the respective first holes of the plates, and the second fasteners may be configured to pass through the respective second holes of the plates.