[Amended 9-21-2006 by Ord. No. 556]
A. Declaration of legislative intent of an R-4 Zoning
District is:
(1) To provide for a variety of carefully designed housing
types at higher densities.
(2) To make sure that varied housing types are compatible
with any existing single-family detached houses.
(3) To make sure that the street system of the Township
and other community facilities and services are fully able to handle
moderately dense growth in an area.
(4) To work to encourage affordable housing, especially
for young families and senior citizens, through the construction of
townhouses and multiplexes.
B. In an R-4 Residential District, the following regulations
shall apply.
[Amended 9-19-2002 by Ord. No. 472; 10-20-2011 by Ord. No. 602; 1-16-2020 by Ord. No. 662]
A building or group of buildings may be erected or used and
a lot may be used or occupied for any one of the following uses and
no other:
A. Uses permitted by right:
(1) Townhouse and multiplex dwellings, both at a maximum density of 6.0
dwelling units per gross acre.
(2) Single-family detached, twin, and duplex dwellings; all at a maximum
density of 3.0 dwelling units per gross acre.
(3) Municipal use, governmental offices, emergency services station,
and community center for senior citizens.
(4) Residential accessory uses, buildings, and structures. The following
residential accessory uses, buildings, and structures are allowed
by right on a lot with a residential principal use in accordance with
the applicable requirements of this chapter:
(a)
Accessory building/structure, residential.
(e)
Garage, household. No more than one detached household garage
is allowed upon a lot.
(j)
Sale of agricultural products.
(k)
Shed, household storage. One household storage shed shall be
permitted with a five-foot setback from the rear and/or side yard
property lines, provided said shed or said structure shall not exceed
120 square feet in overall size and shall not exceed 12 feet in height,
as measured from the lowest point in the grade at the entrance to
the structure to the highest peak of the roof ridge.
(n)
Swimming pool, household.
(o)
Temporary use or structure.
(p)
Parking or storage of private automobiles owned by the occupants
and guests of the attached dwellings in garages or parking lots located
on the same lot or site as the dwellings.
(q)
Playgrounds or parks for the use of the occupants and guests
of the attached dwellings located on the same lot or site as the dwellings.
(5) Nonresidential accessory uses, buildings, and structures. The following
nonresidential accessory uses, buildings, and structures are allowed
by right on a lot with a nonresidential principal use in accordance
with the applicable requirements of this chapter:
(a)
Nonresidential accessory building and/or structure.
(e)
Temporary use or structure.
B. Uses permitted as a special exception when approved by the Zoning
Hearing Board:
(1) Parkland, private recreation, or wildlife sanctuary.
(2) Any public utility use other than an airport, public heliport, railway
passenger station, or bus passenger station.
(3) Swimming pool, semipublic for the use of occupants and guests of
the attached dwellings located on the same lot or site as the dwellings.
C. Only one dwelling type shall be allowed on any site or lot. The mixing
of permitted dwelling types shall not be permitted on the same site
or lot.
[Amended 11-20-2003 by Ord. No. 500; 10-20-2005 by Ord. No.
533; 9-21-2006 by Ord. No. 556; 1-16-2020 by Ord. No. 662]
A. Dimensional and area requirements for townhouse, multiplex, single-family
detached, twin, and duplex dwellings.
(1) Any project requiring land development or subdivision approval from
the Township shall meet the following requirements:
(a)
The site area shall be a minimum of five acres.
(b)
The site shall be separated by a buffer strip of 35 feet from
adjacent properties.
(c)
The maximum building coverage shall be 30% of the net site area.
(d)
The maximum impervious surface coverage shall be 45% of the
net site area.
(e)
A portion of the site shall be set aside as open space in accordance with the requirements of this chapter, including, but not limited to, §
143-28H.
(f)
Twenty percent of the open space shall be improved as common
areas or greens.
(2) The dimensional and area requirements for individual lots shall be
as follows:
Requirement
|
Townhouse
|
Multiplex
|
Twin/duplex
|
Single family detached
|
---|
Minimum lot area
|
2,500 square feet
|
10,000 square feet
|
6,000 square feet
|
10,000 square feet
|
Minimum lot width
|
25 feet
|
75 feet
|
65 feet
|
75 feet
|
Minimum setbacks:
|
|
|
|
|
Front yard
|
25 feet
|
40 feet
|
30 feet
|
35 feet
|
Side yard
|
20 feet
|
20 feet
|
15 feet
|
20 feet
|
Rear yard
|
30 feet
|
35 feet
|
25 feet
|
30 feet
|
Maximum building coverage (percentage of lot area)
|
45%
|
45%
|
40%
|
40%
|
Maximum impervious surface coverage (percentage of lot area)
|
60%
|
60%
|
50%
|
50%
|
(3) Buildings. Buildings shall be located and constructed so as to provide:
(a)
No more than six dwelling units per building for townhouse buildings
and no more than four dwelling units per building for multiplex buildings.
(b)
A minimum setback of 30 feet from site internal service roads.
(c)
The following minimum separation distances between buildings:
[1]
Front to front, front to back, or back to back: 60 feet.
[2]
Side to front or side to back: 40 feet.
(d)
A maximum building length of not more than 160 feet.
(4) All dwellings shall be served by public water and sanitary sewer
systems.
B. Dimensional and area requirements for all other uses. The following
requirements apply to all uses other than townhouse, multiplex, single-family
detached, twin, and duplex dwellings, unless a more restrictive requirement
is set forth elsewhere in this chapter.
|
Institutional, Recreational, Municipal, and Utility Uses
|
---|
Minimum lot size
|
2 acres
|
Minimum lot width
|
200 feet
|
Minimum front yard
|
50 feet
|
Minimum side yard
|
50 feet
|
Minimum rear yard
|
60 feet
|
Maximum building coverage (percent of lot area)
|
30%
|
Maximum impervious coverage (percent of lot area)
|
40%
|
C. Building height. All buildings shall not exceed a maximum height
of 35 feet, except as otherwise provided herein.
Site development within an R-4 District shall be in conformance with an overall plan for locating buildings and structures, providing for safe and efficient circulation of vehicles and pedestrians, preservation and extension of the natural amenities of the site and providing for the continued maintenance of the land and improvements thereon. The design and the operation and maintenance of the site and improvements shall meet at least the minimum standards and requirements set out in §
143-28 of this chapter.