§ 244. Spaces under stairs. In non-fireproof tenements erected after April twelfth, nineteen hundred one, no closet of any kind shall be constructed or maintained under any stair leading from the entrance story to the upper stories, and such space shall be kept entirely open and clear of any encumbrance.
Spaces under stairs
N.Y. Multiple Dwelling Law § 244, under Fire Protection.
N.Y. Multiple Dwelling Law § 244