(A) Purpose. The purpose of this district is to provide medium-density multi-family housing in locations on or near arterial streets and shopping facilities, in neighborhood settings that are or will be served by a full-range of public services.
(B) Permitted principal uses. Any use permitted in the “R-3” District, and accessory uses incidental to and on the same zoning lot as the principal use.
(C) Accessory uses. Accessory uses that are allowed in the “R-3” District, if clearly subordinate and customarily incidental to the principal use, may be permitted.
(D) Conditional uses. The following Conditional Uses may be allowed by the Board of Adjustment subject to § 160.63, provided such use complies with the requirements of this and all other city codes and is in accordance with the Comprehensive Plan of the city:
(1) Public or private elementary, junior high or middle schools, high schools and similar educational facilities, but not including boarding, rooming or residential dwelling units;
(2) Nursery Schools and other child care;
(3) Churches and other religious organizations;
(4) Extended care, intermediate care or rehabilitation or residential care nursing facilities, but not including care of or homes for the emotionally disturbed, mentally ill, retarded, persons with social or personal problems, delinquents or offenders, or persons with past or present drug or alcohol dependence;
(5) Small wind energy conversion system (SWECS), subject to § 160.48;
(6) Cemeteries;
(7) Public or nonprofit museums and historic sites or buildings, including offices and support facilities accessory thereto;
(8) Public utility facilities, including transmission and distribution equipment, substations, regulator stations and buildings associated therewith, but not including facilities for maintenance or general operations or communication towers. Evidence shall be provided to show such facilities are essential to service the public; that no reasonable alternative exists; and that all negative impacts, including esthetics, have been mitigated to the extent possible;
(9) Communication towers with a height of 100 feet or less, on a nonresidential property such as a school or church, subject to a minimum setback of 200 feet from the boundary of any property used or expected to be used for residential purposes, and from any “A-1” or “A-2” property designated for residential use by the Comprehensive Plan; and subject to § 160.47; and
(10) Bed and breakfast, subject to § 160.57.
(E) Bulk requirements. The following minimum requirements shall be observed:
(1) Minimum lot area:
(a) Single-family detached: 6,250 square feet;
(b) Single-family attached: 5,000 square feet for each dwelling unit; and
(c) Multi-family: 2,100 square feet for each dwelling unit.
(2) Minimum lot width:
(a) Single-family detached: 50 feet, except corner lots;
(b) Single-family attached: 40 feet for each dwelling unit, except corner lots; and
(c) Multi-family: 175 feet, except corner lots.
(3) Minimum front yard setback:
(a) Single-family detached: 30 feet;
(b) Single-family attached: 30 feet; and
(c) Multi-family: 50 feet.
(4) Minimum side yard setbacks:
(a) Single-family detached: five feet, except street side yards;
(b) Single-family attached: ten feet on each side for each building, except street side yards; and
(c) Multi-family: 50 feet, except street side yards, provided that if no windows or doors face the property line the setback along a non-street boundary line may be reduced to 30 feet.
(5) Minimum rear yard setback: 30 feet; and
(6) Maximum building height: four stories in the case of multi-family and 35 feet for single- family dwellings and nonresidential buildings, provided that no building for any use shall exceed a bulk plane having a 14-degree altitude calculated from a horizontal plane extending through a line located 18 feet above the average elevation of the north lot line, if an existing building with a passive solar design that includes thermal storage, or an existing solar photovoltaic array that is capable of producing a minimum of 3-kW DC in direct sun, lies to the north; said existing design or device shall be previously documented for this limitation to be applicable.
(F) Performance standards for multi-family development.
(1) Building walls that are more than 100 feet in length shall have at least one offset with a minimum depth of six feet and a width of at least one dwelling unit, extending the full height of the building.
(2) Parking shall not be located in the minimum front yard; a minimum side yard adjacent to a street; or in a side yard adjacent to property that is zoned”R-1L,” “R-1I” or “R-1S.”
(3) A minimum of four overstory trees, one understory tree, and five shrubs shall be provided for each 20,000 square feet of lot area, exclusive of buffer yard plantings.
(4) Refuse collection areas shall be enclosed by an opaque fence or masonry wall that is a minimum of six feet in height, and setback a minimum of 30 feet from any property that is zoned “R-1L,” “R-1I” or “R-1S.”