No accessory building or structure which exceeds 10 feet in height, nor any fence which exceeds seven feet in height, shall be erected in a required yard or court, except as provided hereinafter.
1. Accessory buildings, including roof overhangs, shall be at least three feet from lot lines of adjoining lots which are in any “R” District, and at least five feet from lot lines of adjoining lots which are in any “E” District. On a corner lot they shall conform to the setback regulations on the side street. There shall be at least five feet from any other separate building or structure on the same lot, and at least five feet from any alley line, if any, except that, when any entrance to an accessory building for automobile access faces an alley, said accessory building shall be at least 20 feet from the alley line.
2. Accessory buildings, except buildings housing animals or fowl, may be erected as part of the principal building or may be connected thereto by a breezeway or similar structure, and such accessory building shall be considered as part of the principal building for all yard requirements.
3. A carport or garage for a residence may be in a side yard provided that a full required side yard is provided between the garage or carport, and the side lot line. An accessory building within 60 feet of the front lot line shall have a full side yard between it and the side lot line.
4. The garage building shall not exceed one story or 15 feet in height in any “R” District, and shall not exceed 25 feet in height [with the exterior side wall not exceeding 16 feet in height] on a lot containing one acre or more in any “E” District”. The height shall be measured from grade, and shall include the foundation of retaining walls.
5. An accessory structure which is adaptable to underground construction (such as a tornado shelter, garage, wine cellar, etc.) may be constructed beneath the ground surface of any yard area; providing said structure shall comply with the following requirements.
A. No portion of the structure shall be located less than three feet, measured horizontally, from any lot line.
B. The surface area covering the structure shall be finished in a manner natural to the landscape so as to entirely conceal the underground structure.
C. No portion of the grade of the finished surface area above the structure may exceed a two foot height increase above the normal finished grade of any required yard.
D. Ingress-egress to the underground structure shall be located within the allowable surface building area of the lot and shall not be located in any required yard area.
6. Accessory buildings and structures, regardless of height, which are constructed above the normal ground surface in any required yard area shall not occupy more than 30% of the yard area in which it is located; however, this regulation shall not be interpreted to prohibit the construction of a garage not to exceed 750 square feet gross building area in any “R” District, and not to exceed 1,500 square feet gross building area on a lot containing one acre or more in any “E” District.
7. No structure, including a satellite dish antenna or antenna tower, shall be erected within any of the front yard setback.
8. No accessory building may be located between the front building line of the principal building and the front property line in any “E” District.
9. No accessory building shall be placed within 10 feet of any other building on the property or any adjacent property unless it meets the applicable separation requirements of Chapter 156 (the Fire Code).