Abstract: A temporary restroom may form a complete enclosure, including a front wall, a back wall, two sidewalls, a floor, a ceiling, and a door. The front wall, the back wall, the two sidewalls, the floor and the ceiling each includes multiple support members, which together form a frame. Inside the enclosure, the temporary restroom includes a, coupled with a waste drainage pipe, a sink in, coupled with a water pipe and a waste water drainage pipe, and multiple connections for connecting the waste drainage pipe and the waste drainage pipe to waste plumbing, connecting the water pipe to water plumbing, and connecting the temporary restroom to a source of electric power. The temporary restroom does not include a waste storage tank or a built-in source of water.