To provide a storage apparatus facilitating and stabilizing a vertical installation of supports, retaining the strength between attachment holes bored in the supports and shelf receiving members, and retaining the stability and horizontality of the fitting position of a shelf board and the shelf receiving members.

This storage apparatus comprises shelf receiving members 3 and 4 to be attached to opposed sides of two supports 1 attached to a wall surface, and the shelf board 5 attached and suspended between the shelf receiving members. Support materials formed of a plurality of attachment holes B bored in projecting part parallel surfaces in an opening side; the supports 1 internally fitting a hollow projecting mold 1b in a hollow projecting mold 1a with an opened upper side in its cross section, bored with a plurality of wall face fixing holes in its bottom face and having recessed groove parts 2 in the both sides; the shelf receiving members formed of vertical pieces 33 and lateral pieces 34 into an approximately L-shaped cross section, vertical support parts 30 fittedly inserted in the side recessed groove parts of the supports and projecting an engagement projection 32 engaged with the attachment holes adjacent to both upper/lower ends on the abutment face of the support recessed grooves, and horizontal members retaining the rack receiving part lateral piece; into an approximately L-shape are stackedly fixed adjacent to the longitudinal ends of the rack receiving parts.