The invention is a building inspection device for inspecting a side of a building comprising a body having a underside, a line attachment means connected to the body for movably connecting the body to a guide line, an alignment means for aligning the body so that the underside of the body faces the side of the building, a system controller for controlling the inspection device, and a sensing device disposed in the body having a sensor located on the underside of the body for inspecting a portion of the side of the building, wherein the sensing device is controlled by the system controller. The line attachment means may be connected to a vertical weight-bearing guide line, and the alignment means may comprise a second vertical guide line also connected to the line attachment means.