To provide a parking garage installable at a low cost by disposing parking districts in a plurality of rows and stories and forming the districts so that carrying-in and carrying-out can be performed rapidly.

This parking garage 1 is formed by disposing first, second, and third hoistable lifts 14, 15, and 16 in a hoistable space E, providing parking rooms X and Y adjacent to the hoistable space E, installing parallel with each other n rows of parking towers having first and second lateral trays 10 and 11 allowing the hoistable space E and the parking rooms X and Y to be reciprocated disposed thereon, and disposing a transportation vehicle 13 with the hoistable space E used as first, second, and third running passages 7, 8, and 9. The first parking story 1F of the parking tower A at the first row is used as a standby space body 4 and the hoistable space E is disposed on the upper stage, and the first parking story 1F of the parking tower B at the second row is used as a first ride-in site 2, second ride-in site 3, and a ride-in floor vehicle 27 and a second running passage 8 is disposed on the plurality of stories on the upper stages. A vertical tray 12 running from the second running passage to an nth running passage is disposed on the first parking story 1F of the n row parking tower N, and the vertical tray 12 is also disposed on the plurality of stories on the upper stages.