ยง 193. Frame buildings. No frame building shall be erected or
maintained upon the same lot with a dwelling converted after April
twenty-eighth, nineteen hundred thirty, nor shall any frame building not
occupied on April thirteenth, nineteen hundred forty, as a multiple
dwelling be altered or converted to such use; except that if the walls
of a frame converted dwelling are faced with a veneer of brick and the
entrance story is occupied by not more than one family, such entrance
story may be altered so that it may be occupied by two families.
Structure New York Laws