The R-3 Single-Family Detached/Attached and
Two-Family Residential District encompasses moderate-density, established
neighborhoods comprised of a mix of housing types from single-family
detached to townhouse; it is not intended to accommodate new apartment
development. Nonresidential uses are limited to home occupations,
professional uses and compatible institutional uses.
[Amended 12-1-1999 by Ord. No. 99-14]
Except for those uses permitted as conditional uses under §
287-27D above, the following regulations shall apply to uses in the R-3 District, subject to Article
XIA:
A. Single-family detached dwelling:
(1) Minimum lot area: 8,400 square feet.
(2) Minimum lot width: 70 feet at the building setback line. (For interior lots, see definition of "lot, interior" in Article
II of this chapter.)
(3) Maximum building coverage: 30%.
(4) Maximum other impervious surface coverage: 20%.
(5) Minimum front yard: 25 feet.
(6) Minimum side yards: 25 feet aggregate, with neither less than 10 feet; on a corner lot (new construction), the single side yard shall be a minimum of 15 feet. (See definition of "lot, corner" in Article
II of this chapter.)
(7) Minimum rear yard: 35 feet.
(8) Maximum building height: 35 feet.
B. Two-family dwellings:
(1) Minimum lot area: 5,000 square feet per family.
(2) Minimum lot width: 40 feet per twin dwelling unit
or 70 feet per duplex structure, measured at the building setback
line; where a twin dwelling unit, existing as of the effective date
of this chapter, is situated on a lot with a minimum width of less
than 35 feet measured at the building setback line, such lot shall
not be considered nonconforming as to minimum lot width for purposes
of this chapter.
(3) Maximum building coverage: 35%.
(4) Maximum other impervious surface coverage: 25%.
(5) Minimum front yard: 25 feet.
(6) Minimum side yards: for a duplex structure, 25 feet aggregate, with neither less than 10 feet; for a twin dwelling unit and for any corner lot (new construction), the single side yard shall be a minimum of 15 feet. (See definition of "lot, corner" in Article
II of this chapter.)
(7) Minimum rear yard: 35 feet.
(8) Maximum building height: 35 feet.
C. Townhouse dwellings:
(1) Minimum tract area: two acres.
(2) Maximum density: eight dwelling units per acre.
(3) Minimum open space requirement: 35%.
(4) Minimum width of unit: 20 feet.
(5) Maximum building coverage: 35%.
(6) Maximum other impervious surface coverage: 25%.
(7) Minimum front yard: 25 feet.
(8) Minimum side yard: 10 feet.
(9) Minimum rear yard: 30 feet.
(10)
Maximum building height: 35 feet.
D. Special exception uses. Uses permitted by special exception in the R-3 District shall comply with the area and bulk requirements for single-family detached dwellings as stipulated in Subsection
A above, with the following exceptions:
(1) Maximum building coverage: 35%.
(2) Maximum other impervious surface coverage: 30%.
(3) Maximum building height: 35 feet, except that an increase
of two feet or fraction thereof may be permitted for each additional
one foot of side yard provided, up to a maximum height of 50 feet.
E. Accessory buildings. Any accessory building shall
be set back a minimum of three feet from any side or rear lot line,
and shall be no closer than five feet to the edge of any alley or
street at the side or rear of the property.