To provide a structure of storage in the corner for a storage space which improves storage efficiency of the storage space such as a walk-in closet, enables a user to put in and take out stored goods easily, and is available at a lower cost.

This structure of storage in the corner for a storage space is formed by the following parts: Side boards jut out from adjacent walls away from the corner in a manner that the side boards are perpendicular to the walls, are secured by the walls and a floor, and are placed in a manner that a side facing to the corner is open. A support is secured by the walls and the floor at the corner made by the adjacent walls. A top plate is placed at the top of a space created by the side boards, the both walls, and the support. Plural groups of pin holes for inserting pins used to place a shelf board in the space are made on the support and the side boards vertically in a manner that a placement of the pin hole on the support and those of the side boards correspond horizontally.