§ 13-1-25 R-MF MULTI-FAMILY RESIDENTIAL DISTRICT.
   This District is intended to create, preserve, and enhance areas for multi-family uses in residential structures such as townhomes, multiplexes, or garden style homes. Group homes, such as community based residential facilities (CBRF), nursing homes, and assisted living, may also be most compatible within this District. Development within this District is served by public sanitary sewer and water services.
   (a)   Permitted uses.
      (1)   A single-family residential dwelling and its accessory structure(s) or uses(s).
      (2)   A multi-family dwelling unit structure containing up to and including eight units.
      (3)   Community living arrangement with capacity to accommodate 15 or fewer persons being served by the program, provided it meets the requirements of Wis. Stats. § 60.63.
      (4)   Class 2 collocation of a new mobile service facility on an existing support structure without substantial modification, per Article I.
   (b)   Conditional uses.
      (1)   Public parks and open spaces.
      (2)   Schools.
      (3)   Medical and dental clinics.
      (4)   Cemeteries.
      (5)   Nursing homes.
      (6)   Government and community buildings.
      (7)   Public utility infrastructure and offices.
      (8)   Golf courses.
      (9)   Churches.
      (10)   Agricultural uses.
      (11)   Two-family residential structures.
      (12)   A multi-family dwelling unit structure containing more than eight units.
      (13)   Residential occupancy of zero-lot line attached dwelling units of zero-lot line subject to:
         a.   A maintenance agreement shall be entered into by the owners of all zero-lot line parcels to ensure equal and reasonable maintenance and repair schedules are conducted for all attached residential units;
         b.   An eight-foot maintenance easement, four-feet on each side of the zero-lot line side property line, to allow for normal maintenance of each single-family attached residential unit, shall be recorded with the Register of Deeds office and a recorded copy provided to the Zoning Administrator, Clerk, and highest elected official, as appropriate;
         c.   The dwelling wall abutting the zero-lot line shall be a one-hour fire wall; and
         d.   Shall be served by municipal water and sewer.
      (14)   Community living arrangement with capacity to accommodate 16 or more persons being served by the program, provided it meets the requirements of Wis. Stats. § 60.63.
      (15)   Siting and construction of any new mobile support structure and/or facility or Class 1 collocation of a new mobile service facility on an existing support structure, per Article I.
   (c)   Lot requirements.
      (1)   Lot size.
         a.   Width. Eighty feet minimum.
         b.   Area. Nine thousand six hundred square feet.
      (2)   Building height. Maximum 45 feet or four stories, whichever is the least.
      (3)   Yards.
         a.   Street. Twenty feet minimum.
         b.   Rear. Twenty feet minimum.
         c.   Side. Six feet minimum.
   (d)   Other requirements.
      (1)   The recreation space ratio, defined as the minimum square footage of recreation space required for each square foot of floor area, is not less than 0.16.
      (2)   The floor area ratio, defined as the maximum square footage, of total floor area permitted for each foot of land area, is not more than 0.32.
      (3)   The open space ratio, defined as the maximum square footage of open space required for each square foot of floor area, is not less than two.
      (4)   The living space ratio defined as the minimum square footage of non-vehicular outdoor spaced required for each square foot of floor area, is not less than 1.2.
   (e)   Zero-lot line lots having single-family attached dwelling structures.
      (1)   Minimum lot area. Five thousand square feet.
      (2)   Minimum lot width. Forty feet.
      (3)   Minimum street yard setback. Twenty feet.
      (4)   Minimum zero-lot line side yard (shared) setback. Zero feet. A two-foot eave protrusion shall be permitted across the zero-lot line into the adjoining lot.
      (5)   Other. Remaining standards shall be the same as described in this section.
(Ord. passed 1-18-2021)