1.   Visibility at Intersections. On any corner lot in any district, where front yard and side yard setbacks are required, nothing shall be erected, placed, planted, or allowed to grow in such a manner as to materially impede vision between a height of 2½ and 7 feet above the centerline grades of the intersecting streets in the area bounded by the street lines of such corner lots and a line joining points along said street lines 10 feet from the point of intersection of said street lines.

   2.   Fences or Walls. Fences, walls, and hedges shall be permitted in any required yard, or along the edge of any yard; provided that no fence, wall, or hedge along the street side or front edge of any front yard shall be over four (4) feet in height, further provided that a property line fence, wall, hedge, or any combination thereof shall in no case exceed eight (8) feet in height. The finished side of any fence within or adjoining a residence district shall face the abutting property. The side opposite the posts and or braces shall be deemed the finished side.

   3.   Street Frontage Required. Lots containing any building used in whole or in part for resident purposes shall abut for at least 40 feet on at least one street, and there shall not be more than one single-family dwelling for such frontage. The City Council may also allow, at its own discretion, the construction of a building to be used in whole or part for residence purposes on a lot which has an exclusively unobstructed private easement of access at least 20 feet wide to a street, for each single-family dwelling, if the Council determines that such construction is not in conflict with the intent of this chapter.

   4.   Dwellings – Minimum Length and Width. All dwellings shall have a minimum length and width not less than 20 feet, except dwellings placed in a mobile home park.

   5.   Footing/Foundations. When structures are placed on other than a permanent frost depth perimeter footing/foundation, the vertical space between the perimeter of the first floor and grade level shall be in filled with like material as is utilized in the construction of those permanent perimeter frost depth footing/foundations.

   6.   Accessory Buildings. No accessory building shall be erected in any front yard. Accessory buildings shall be a distance of at least five (5) feet from alley lines or five feet from rear property lines, and five feet from lot lines of adjoining lots which are in any "R" district, and on a corner lot they shall conform to the setback regulations on the side street; however, in no case shall any eave or overhang extend closer than 12 inches to a rear or side yard lines, or an easement line. Accessory buildings connected by a breezeway or similar structure to the principal building shall be considered a part of the said principal building and must meet space requirements thereof. Accessory buildings shall not occupy more than 30 percent of the rear yard, shall not be more than 1,000 square feet in area, and shall not exceed 15 feet in height in any "R" district. This regulation shall not be interpreted to prohibit the construction of a 550 square foot garage on a minimum yard. No accessory building shall be constructed upon a lot until the construction of the principal building has been actually commenced, and no accessory building shall be used unless the principal building on the lot is also being used, provided that nothing in this paragraph shall be construed as prohibiting a permitted accessory use on a lot contiguous to and in the same ownership as a lot on which a permitted principal use is located.

      A.   Accessory Building Exemption: Nonconforming preexisting structures that lie within the five (5) feet setback of an alley line may be rebuilt or replaced. The rebuilt or replaced structure must in no way further encroach on the five (5) feet setback of an alley line more than the preexisting nonconforming structure and shall comply with all other rules and regulations set forth by the City of Prairie City.

   7.   Building Lines on Approved Plats. Whenever the plat of a land subdivision approved by the Planning and Zoning Commission and on record in the Office of the County Recorder shows a building line along any frontage for the purpose of creating a front yard or side street yard line, the building line thus shown shall apply along such frontage in place of any yard line required in this chapter unless specific yard requirements in this chapter require a greater setback.

   8.   Corner Lots. For corner lots, platted or of record after the effective date of this Zoning Ordinance, the front yard regulation shall apply to each street side of the corner lot.

   9.   Front Yard. In all residential districts there shall be a minimum front yard required as stated in the yard requirements for that particular district; provided, however, where lots comprising 30 percent or more of the frontage within 200 feet of either side lot line are developed with buildings at a greater or lesser setback, the front yard requirement shall be the average of these building setbacks and the minimum front yard required for the undeveloped lots. In computing the average setback, buildings located on reverse corner lots or entirely on the rear half of lots shall not be counted. The required front yard as computed herein need not exceed 50 feet in any case.

   10.   Building Permits Previously Issued. Nothing herein contained shall require any change in the overall layout, plans, construction, size, or designated use of any building, or part thereof, for which approvals and required building permits have been granted before the enactment of this Zoning Ordinance, the construction of which in conformance with such plans shall have been started prior to the effective date of this Zoning Ordinance and completion thereof carried on in a normal manner and not discontinued for reasons other than those beyond the builder’s control.

   11.   Zoning Districts Dividing Property. Where one parcel of property is divided into two or more portions by reason of different zoning district classifications, each of these portions shall be used independently of the others in its respective zoning classification, and for the purpose of applying the regulations of this chapter, each portion shall be considered as if in separate and different ownership.