Sec. 25-21-10. Accessory buildings and uses.

(a) Accessory buildings shall meet the following requirements:
(1) Any accessory building shall be erected detached from the main building.
(2) Any accessory building in a residential zone, including guest houses, shall be located on the rear one-half of the lot, and at least six feet from any dwelling on the lot. Accessory buildings ten feet in height or greater at the point closest to the property line shall be located not less than fifteen feet from main buildings on adjoining parcels.
(3) Any accessory building in a nonresidential zone shall be located at least six feet from any building on the lot and shall conform to the building setback requirements for that zone.
(4) Accessory buildings in residential zones shall conform to the following setback requirements:
If Building Height at the Point Closest to the Property Lines Is
The Minimum Distance from side or Rear Property Line Is
At least 7 feet but less than 9 feet
3 feet
At least 9 feet but less than 10 feet
4 feet
At least 10 feet but less than 11 feet
5 feet
At least 11 feet but not more than 12 feet (maximum height).
6 feet

(A) Accessory buildings one hundred twenty square feet or less in area shall not exceed a maximum height of ten feet.
(B) Accessory buildings adjacent to alleys shall have a minimum setback of four feet from the alley right-of-way.
(C) Accessory buildings shall be oriented and designed to minimize visual impacts on adjoining properties.
Note: Accessory buildings may not encroach into recorded utility easements.
(5) On a corner lot the accessory building shall not project beyond the front or street side yard.
(6) The total square footage of all accessory buildings shall not occupy more than thirty percent of the rear yard, or exceed one thousand square feet, whichever is less.
(7) Except for guest houses, accessory buildings shall not be used for dwelling purposes.
(8) An accessory building in a residential zone shall not exceed twelve feet in height. Accessory buildings in residential zones shall be architecturally compatible with the main building and the surrounding neighborhood in terms of architectural style, details, trim, colors, materials, roof pitch and roof eaves. Flat roof are prohibited and allowed only if they are the most commonly found roof types in the neighborhood.
(9) An accessory building in a nonresidential zone shall not exceed the permitted height for principal buildings in the zone in which it is located.
(10) An accessory building one hundred twenty square feet or greater shall require a building permit. Any utility hookups will require a building permit regardless of square footage.
(11) An accessory building one hundred twenty square feet or greater shall require a building permit. Any utility hookups will require a building permit regardless of square footage.
(b) Accessory uses shall be those uses customarily appurtenant to a permitted use and shall be clearly incidental to the permitted use. (Amended during the March 2009 supplement.)