N.Y. Mult. Resid. Law § 53
There shall be one or more completely enclosed compartments for the storage of mattresses, furniture, paints, floor wax, linens, brooms, mops and other such inflammable or combustible paraphernalia incidental to the occupancy and maintenance of the dwelling, and such paraphernalia shall be stored in no other portion of such dwelling. Such compartments shall be completely protected by an automatic sprinkler system or a fire-detecting system. Closets which do not exceed one hundred square feet in floor area may be used for the temporary storage of such paraphernalia, except mattresses, furniture, paints and insecticides containing inflammable materials and are excluded from the requirements of this section. Where such storage compartments are located at least thirty feet distant from such dwelling, no sprinklers or fire-detecting system shall be required.
N.Y. Mult. Resid. Law § 53