(A) An
ACCESSORY USE
means any structure or use that is:
(1) Subordinate in size or purpose to the principal use or structure that it serves;
(2) Necessary or contributing to the comfort and convenience of the occupants of the principal use or structure served;
(3) Located on the same lot as the principal structure or use served.
(B) General standards.
(1) In all R-1 and R-2 districts and the existing residential uses in the C-4 district, accessory structures shall be limited to 900 square feet and one-story (15 feet) for permanent structures and 600 square feet and one-story (15 feet) for temporary or portable structures. However, the height of the accessory structures shall not exceed the height of the principal structure.
Exception: On single-family residential lots two acres and larger, accessory structures may have a maximum square footage of 80% of the ground floor area of the principal structure not to exceed 2,500 square feet, may be no more than one-story, and have a maximum height of 24 feet.
(2) In all R-1 and R-2 zoning districts and the existing residential uses in the C-4 district, the maximum number of detached accessory structures shall be limited to two per lot with a combined square footage of 900 square feet. However, the combined square footage of the accessory structures shall not exceed the total square footage of the principal structure or use served.
(3) The design, construction, building material(s) and color of the accessory structure shall be similar to or compatible with the design and construction of the primary structure.
(4) Accessory structures shall not be permitted on any lot unless a principal building exists.
(5) If an accessory use is attached to the principal structure, it shall be considered part of that principal structure.
(6) Roof overhangs on accessory structures not attached to the principal structure shall not encroach more than two feet into the required setback distance.
Exception: On single-family residential lots two acres and larger, encroachments into the required setback distance shall not be permitted.
(7) Accessory structures shall be located in back yards only and set back five feet from any lot line.
Exception: On single-family residential lots two acres and larger, accessory structures shall be set back at least 20 feet from any lot line.
(8) On single-family residential lots two acres and larger, metal siding, roofing and trim can be used on all accessory structures that exceed 900 square feet. This metal siding, roofing and trim shall be made from 29-gauge steel, having a yield strength of 80,000 pounds per square inch, coated on both sides with at least a G60 galvanized coating, and having at least a 20-year warranty on the finish.
(C) Specifically prohibited accessory uses. The following accessory uses are strictly prohibited unless expressly permitted in particular zoning district(s):
(1) Use of an accessory structure as a dwelling.
(2) Use of accessory structures being used as the principal building for any office or business. (Also see § 154.046).
(3) Use of an accessory structure in any part of a home occupation. (Also see § 154.049).
(4) Use of any trailer type structure that when originally manufactured was used for the transportation of goods or any trailer type structure that when originally manufactured was used for human occupation.