In the twin home residential district, no building or premises shall be used and no building shall hereafter be erected, converted in use, enlarged, moved or structurally altered unless otherwise provided in this chapter except for one or more of the following uses:

Any use permitted in the single-family residential district.

Twin homes.

Two-family dwellings. (Ord. 2006-12, 6-5-2006)

In the twin home residential district the height of buildings, the minimum dimensions of yards, minimum lot area, setback, dwelling size, vision clearance and off street parking shall be the same as in the single-family residential district as provided under sections 10-7-2, 10-7-3 and 10-7-4 respectively of this title, except:

   A.   Two-family dwellings shall be subject to the following:

      1.   Minimum floor area of six hundred (600) square feet per dwelling unit.

      2.   Minimum lot size of five thousand (5,000) square feet per dwelling unit. (Ord. 2006-12, 6-5-2006)

   B.   Twin homes shall be further subject to the following:

      1.   The attached side yard setback, or common wall between the two (2) dwelling units, shall be zero feet (0'); and the opposite side yard setback shall be ten feet (10'); and (Ord. 2008-05, 5-19-2008)

      2.   The side yard setback on the side opposite the common wall shall be ten feet (10'); and

      3.   The minimum lot area for each of the two (2) dwelling units shall be six thousand five hundred (6,500) square feet; and

      4.   The minimum lot width for each of the two (2) dwelling units shall be fifty feet (50'); and

      5.   Plan commission approval; and

      6.   Each dwelling unit shall be located on a separate lot; and

      7.   A twin home may not be split or divided into additional residential units; and

      8.   Each residential unit shall have its own sanitary sewer and water lateral; and

      9.   A minimum firewall complying with the COMM 21.08 Wisconsin administrative code, as amended from time to time, providing a vertical separation of all areas from the lowest level to flush against the underside of the roof, is required between each dwelling unit. (Ord. 2006-12, 6-5-2006)