4-3-4: R3 CONSERVATION RESERVE DISTRICT:
The one-family residence districts, designated herein by the symbol R3, intended to identify outlying lands that may be developed, but where the character of the land is unsuitable for intensive development.
   (A)   Permitted Uses:
      1.   One one-family dwelling on a lot.
      2.   Garden, orchard, field crop. (Ord. 1981-E, 7-9-1981, eff. 8-1-1981)
   (B)   Conditional Uses:
      1.   Church.
      2.   School, attendance at which satisfies the requirements of the compulsory education laws of the state.
      3.   Recreation facility owned and maintained by an agency of any city, the county, the state or federal agencies.
      4.   Invalid or invalid caretaker secondary housing. A secondary independent living unit on a lot or parcel already developed to the maximum density allowed in the district, for the housing of an invalid family member or a caretaker of an invalid family member residing in the primary residence on the parcel, subject to the following:
         (a)   The dwelling may be attached or detached from the primary residence. A mobile home may not be attached to the primary residence.
         (b)   The floor area of the secondary dwelling may not exceed that of the primary dwelling.
         (c)   The conditional use permit must be reviewed within two (2) years and every two (2) years thereafter.
         (d)   The secondary dwelling must be removed if it is a mobile structure when it is no longer used for invalid or invalid caretaker housing. In the case of an attached or conventionally constructed dwelling where removal is impractical, the unit may not be utilized as rental housing. (Ord. 1981-E, 7-9-1981, eff. 8-1-1981; amd. Ord. 1993-U, 1-6-1994, eff. 1-24-1994)
   (C)   Accessory Uses: Same as R1.
   (D)   Building Site Area: Every building site in an R3 district shall have an area not less than two and one-half (21/2) acres, and a minimum width of two hundred feet (200').
   (E)   Yards: The minimum requirements for yards in R3 districts shall be as follows:
 
Depth of front yard
50 feet
Depth of rear yard
50 feet
Width of side yards
20 feet
 
In no event shall any structure be located closer than fifty feet (50') from the right of way of any state, county or federal highway.
   (F)   Height: No building shall have a height of more than forty feet (40').
   (G)   Signs: No sign shall have an area in excess of nine (9) square feet.
   (H)   Parking: All vehicles must be parked off the street. (Ord. 1981-E, 7-9-1981, eff. 8-1-1981)