Housing accommodations offered for rent, lease or compensation (except any single-family residence the occupants of which rent, lease or furnish for compensation not more than one room therein) and of two or more stories in height, intended and designed for occupancy by the elderly shall provide one or more elevators serving all floors. This requirement shall apply to residential developments issued building permits after the effective date of the ordinance codified in this section. (Ord. 4761 § 2, 5/18/04)