A self-contained mobile retail store structure which is transportable from one location to another. The structure is mounted to a frame which is coupled to a plurality of wheels by a hydraulic system capable of raising, lowering, inclining and declining the structure relative to a ground surface. In a stationary position, the walls of the structure contact the ground surface, and in the transportable position, the walls of the structure are spaced from the ground surface. The mobile retail store structure of this disclosure fits in a standard-sized parking space, and may be configured with other similar structures to expand the retail area.