The following regulations apply to accessory buildings:

1.   No accessory building or other structures may be erected or located within the front yard.

2.   The maximum aggregate size of an accessory building shall be lesser of the two following measurements:

   A.   20 percent of the area of the rear yard.

   B.   One thousand, five hundred square feet, except in R-4 districts, where 288 square feet may be allowed per dwelling unit.

This regulation shall not be interpreted to prohibit the construction of a 440-square-foot garage on a minimum rear yard.

3.   No accessory building shall be used or constructed without occupancy of the principal building.

4.   No accessory building shall be located within four feet of any rear yard lot line.

5.   Accessory buildings shall maintain the appearance of and have building materials similar in nature to the principal structure on the lot.