Abstract: A portable garage assembly includes a floor member formed of three foldable sections having a plurality of peripherally disposed indentions on its upper surface. Received within its indentions are vertical support members that are secured thereto with quick release screws. A side, a rear and a front wall are removably secured to the support members. A plurality of directional and transverse beams are secured to the top ends of the support members for supporting a multi-section, laterally sloping roof. An opening on the front panel defines an entrance. The entrance is selectively enclosable with a garage door movable along a pair of tracks between a vertical, closed position and a horizontal open position. The device is designed to be quickly and easily erected or alternatively disassembled for transport or storage.