§ 5.06 R-2 TWO-FAMILY RESIDENTIAL DISTRICT.
   This district is designed to accommodate one-family and two-family dwellings in areas where other multi-family housing would not be desirable. This district may also be used to provide a transition area between single-family residential areas and more intensively used areas.
   A.   Regulations and performance standards: The following regulations shall apply in the R-2 Two-family Residential District in addition to the General Provisions in Chapter 2.
      1.   Lot area: When a sewer is not available, no permitted use or special exception shall be allowed on a new lot in the R-2 District unless the proposed lot contains an area of at least 43,560 square feet (one acre). If there is a sewer available that will allow the lot to hook onto the sewer, then the lot shall contain not less than 20,000 square feet. If there are water and lines available that will allow the lot to hook up to these utilities, then the lot shall contain not less than 8,500 square feet. The minimum lot area per family shall be 4,250 square feet.
      2.   Lot width: When a sewer is not available, the minimum lot width shall be 150 feet at the building line. The minimum lot width shall average 150 feet. In cases where the depth is less than the width, the lot depth shall average 150 feet. When a sewer is available, the minimum lot width shall be 90 feet at the building line. The lot width shall average 90 feet, and when the depth is less than the width, the lot depth shall average 90 feet. When water and sewer is available, the minimum lot width shall be 60 feet at the building line. The lot width shall average 60 feet, and when the depth is less than the width, the lot depth shall average 60 feet.
      3.   Lot frontage: All lots within the R-2 District shall maintain a minimum of 50 feet of frontage on a publicly or privately maintained street or 35 feet when located on the radius of a cul-de-sac. The minimum frontage requirement shall run continually to the building line.
      4.   Yard and setback requirements:
         (a)   Front yard: Not less than 30 feet from the property line.
         (b)   Side yards: Least width of either side yard shall not be less than eight feet except in the case of a corner lot, where the side yard on the street side shall not be less than the required front yard setback. For a single- family attached dwelling, no side yard shall apply to the attached side of the primary structure.
         (c)   Rear yard: Not less than ten feet. (See also §§ 2.04 - 2.06)
      5.   Height requirement: Except as otherwise provided, all primary buildings, structures, and uses in this district shall not exceed a height of 35 feet. Accessory structures shall not exceed a height of 16 feet.
      6.   Ground floor area: The minimum ground floor area shall be 950 square feet for a single-story dwelling unit. The minimum ground floor area shall be 800 square feet for a multiple-story dwelling unit. The minimum ground floor area excludes all garages, porches, basements and breezeways. In a two-family dwelling, each dwelling unit shall have at least 750 square feet of ground floor area.
      7.   Lot coverage: The maximum lot coverage in a residential district is 35% of the entire lot.
      8.   Off-street parking: For residential uses, two parking spaces per dwelling unit, excluding garages. For nonresidential uses, see Chapter 10.
   B.   Permitted uses: The permitted uses include all those permitted uses in the R-1 Single-Family District. In addition, single-family attached dwellings (containing no more than two dwelling units), two-family dwellings, duplexes and duplex condominiums are permitted uses. Prior to the issuance of an improvement location permit for the conversion of an existing single- family dwelling to a two-family dwelling, all provisions set forth herein for a two-family dwelling shall be met.
   C.   Accessory uses: Accessory uses include only those uses listed in § 5.03, Accessory Buildings, Structures, and Uses in all Residential Districts and §§ 2.06 - 2.09.
   D.   Special exceptions: In addition to the special exceptions listed in § 5.04 C. (Special Exceptions Allowed in all Residential Districts), the R-2 Residential District allows for special exceptions of: alcoholism and drug abuse treatment centers, bed and breakfast facilities, and children's homes and halfway houses. The special exception criteria is set forth in Chapter 12, Board of Zoning Appeals.
(1980 Code, Ch. 156, § 5.06) (Ord. 1995-7, passed 6-5-1995; Am. Ord. 2001-22, passed 12-27-2001; Am. Ord. 2017-16, passed 7-11-2017)