An organizer system has a length adjustable horizontal top rail, a plurality of length adjustable vertical uprights, and a plurality of mounting brackets attachable to the uprights. The mounting brackets are mounted to the uprights at any of multiple optional desired locations. One or more shelves are mounted to the mounting brackets. The shelf width is adjustable to virtually any width from a minimum single shelf width by using two or more of the shelves. Storage accessories can be mounted to the system and can include shoe storage shelves, shoe storage racks, clothes hanging rods, vertical storage devices, and forwardly and rearwardly slidable storage devices.