No structure, whether attached to the principal structure or not, and whether open or enclosed, including porches, carports, balconies and platforms above basic grade level, shall project into any minimum front, side, or rear yard, except as provided below:
(1)
Structures accessory to single-family residences may extend into required rear and side yards, but not closer than five feet to rear and side yard lot lines.
(2)
Minor utility fixtures, unenclosed patios, and articles of decoration around a main building may be located in any required yard.
(3)
A buttress, chimney, cornice, pier, or pilaster extending no more than 24 inches from the wall of the principal structure may be located in any required yard.
(4)
An unenclosed porch no more than one story or 15 feet in height and 12 feet in depth may be erected in the front or rear yard of a residential structure, but may not extend into a required side yard.
(5)
In an "R" or "S” District, an unenclosed porch or stoop not more than four feet in depth may extend into a required side yard.