In a residence district, an accessory building is a subordinate building, without separate bath or kitchen facilities, not used for commercial purposes and not rented or leased.

In other districts, an accessory building is a subordinate building, the use of which is incidental to and used only in conjunction with the main building.

Attached accessory building shall have a front yard not less than the main building. Detached accessory buildings shall be located in the area defined as the rear yard.

There shall be a side yard not less than three (3) feet from any side lot line, alley line or easement line, except that adjacent to a side street, the side yard shall never be less than twelve (12) feet.

There shall be a rear yard not less than three (3) feet from any lot line, alley lines or easement line, except that if no alley exists the rear yard shall not be less than ten (10) feet as measured from the rear lot line. Carports, garages, or other detached accessory buildings located within the rear portion of the lots as heretofore described shall not be located closer than fifteen (15) feet to the main building nor nearer than three (3) feet to any side lot line.