An article storage facility is provided, which can reduce required space for installation in the rack fore and aft direction while preventing the configuration to become more complex. An article storage rack 2 having a plurality of storage units 1 arranged in a vertical direction and in a lateral direction, and an article transport device 4 which can transport articles 3 to each storage unit 1 in the article storage rack 2 are provided. The article transport device 4 consists of a movable body 12 movable in the rack lateral width direction of the article storage rack 2, a vertical movement guiding mast 13 movable in the rack fore and aft direction of the article storage rack 2 with respect to the movable body 12, and an article support 14 which is movable to a projected position for article transfer for the storage unit 1 and to a pulled back position away from the storage unit 1 by a movement of the vertical movement guiding mast 13 in the rack fore and aft direction and which is guided and supported by the vertical movement guiding mast 13 for vertical movement.