A. No accessory building shall be constructed upon a lot until the construction of the main building has been actually commenced, and no accessory building shall be used for dwelling purposes other than by domestic servants employed entirely on the premises.
B. Accessory buildings may be built in a required rear yard, but such buildings may not be less than eighteen inches (18') of any side or rear yard line, nor shall any such accessory building occupy more than forty percent (40%) of the required rear yard or exceed twenty feet (20') in height.
(Revised Zoning Ord., 8-15-1993)