All accessory buildings and structures permitted in this chapter shall be subject to the following.
(A) Relation to principal building.
(1) Accessory buildings, structures, and uses are permitted only in connection with, incidental to and on the same lot with, a principal building, structure, or use which is permitted in the particular zoning district.
(2) No accessory building, structure, or use shall be occupied or utilized, unless the principal structure to which it is accessory is occupied or utilized.
(B) Maximum size.
(1) In residential districts, the total floor area of all accessory buildings on a lot shall not exceed 35% of the floor area of the principal structure, plus 4% of the total lot area.
(2) Not more than two accessory structures shall be permitted on any residential lot.
(C) Placement and setbacks.
(1) Accessory buildings.
(a) Accessory buildings shall not be erected in any right-of-way, easement, front yard, required front yard, or in the required side yard between the required front yard and required rear yard.
(b) An accessory building wall shall be located a minimum of five feet from a property line when the width of the lot is 80 feet or less.
(2) Accessory building wall.
(a) An accessory building wall shall be located a minimum of nine feet from a property line on all other properties.
(b) Overhangs shall be allowed to extend into the setback area up to a maximum of 18 inches.
(c) A separate accessory building overhang shall not he or she located within five feet of any other building overhang.
(d) An enlargement or alteration of an existing nonconforming building line shall be permitted; provided, that the accessory structure is not enlarged by more than 50% of its existing gross floor area and; provided, that the accessory building is setback at least three feet from the lot line.
(3) Setback of the addition. The setback of the addition shall not be less than the existing building as illustrated below.
(4) Corner lot location.
(a) When an accessory building is located on a corner lot, it shall not be placed in either front yard. In the case of attached residential dwelling complexes, detached parking garages, or carports may be permitted in the non-required front yard provided the Planning Commission and/or Zoning Commission, as required, approves the site plan, landscaping, elevation drawings, and construction materials.
(b) In reviewing such structures, the Planning Commission and/or Zoning Commission, as required, shall consider the impact of headlights and views from nearby public streets and adjacent properties.
(5) Required setbacks (attached). Where the accessory building, structure, or use is structurally attached to a principal building, structure, or use (e.g., a deck, garage or breezeway), it shall be subject to all the regulations of this section applicable to principal buildings, structures, and uses.
(6) Maximum, height.
(a) The maximum height of any detached accessory building or structure in any district shall be 12 feet when allowed to be placed five feet or less from a property line, and 18 feet for all other locations.
(b) The height may exceed the limits listed above if the roof pitch matches the principal building, and the accessory building wall height is limited to eight feet or less.
(7) Drainage. The placement and design of any accessory building or structure shall not have a significant impact on stormwater runoff. The Zoning Official may require grading plans to ensure compliance with this section.
(8) Restrictions on use. Accessory buildings shall not be occupied for dwelling purposes nor used for any business, trade, or occupation, except for permitted caretaker’s dwellings, except as permitted in § 157.031.
(9) Permit required. The construction or placement of any accessory building or structure greater than 200 square feet shall require a building permit.
(D) Design standards.
(1) This type of structure shall be suitably anchored to a foundation, piers, or by some other means so as to prevent the building from being moved by high winds.
(2) Shall be similar-colored to match the facades of buildings located on the property or earth tone.
(3) Shall have a pitched roof with the same slope as the primary structure on the property.
(Ord. 259, passed 10-24-1995; Ord. 319, passed 12-15-1998; Ord. 362, passed 9-14-2003; Ord. passed 2-1-2012; Ord. 459, passed 3-10-2020)