Abstract: A utility shutoff marking system includes a first marking sign, a second marking sign, and hangers. The first marking is sign is for mounting at the location of electrical shutoff, and has a printed indicia representing the electrical shutoff, the marking sign being made of a rugged material resistant to deterioration. The second marking sign is for mounting at the location of the main water shutoff, and also has printed indicia representing the main water shutoff, the marking sign being made of a rugged material resistant to deterioration. The hangers are for mounting the first marking sign and the second marking sign at the locations.