A.
Detached accessory structures and buildings.
(1)
Accessory structures which are not attached to a principal structure may encroach no more than halfway into a principal building's required side yard setback or be located anywhere within the rear yard, except on the street side of a corner lot, provided that:
(a)
Accessory structures shall otherwise maintain the minimum yard requirements of the principal structure.
(b)
No accessory structure shall be located closer to the street right-of-way line than the principal structure.
(c)
No portion of an accessory structure shall be used for living quarters.
(d)
Accessory structures below grade shall have a minimum rear or side yard, when not abutting a street, of five feet.
(e)
No detached accessory structure shall be placed nearer than 10 feet from any principal building.
(2)
No accessory building or structure shall be constructed or placed on any lot unless the principal building is first constructed or placed upon said lot.
(3)
In all residential districts, the height of an accessory building shall not exceed 1 1/2 stories or a height of 15 feet.
(a)
Accessory buildings in the R-3 Zone shall not exceed three stories even if the principal building is in excess of five stories. In no event shall the height of an accessory building in the R-3 Zone exceed the height of the principal building.
B.
When an accessory structure is attached to the principal building, it shall comply in all respects with the requirements of this chapter applicable to the principal building, including lot coverage and setbacks.