§ 440-14. General Residential District (R-4)., Article IV. Residential Zoning Districts, Chapter 440. Zoning, Part II. General Legislation, Code of Ordinances, Munhall

Purpose. The primary purpose of the General Residential District is to provide suitable locations and development standards for high-density multifamily dwellings and/or a mix of medium- and high-density multifamily, single-family, two-family, three-family and four-family dwellings in the Borough. Certain other compatible or related uses may also be permitted in this district.

Permitted uses. The following principal and accessory uses, permitted and conditional uses and uses by special exception shall be permitted in the R-4 General Residential District:

(1)

Principal uses. The following principal uses shall be permitted in the R-4 Residential District:

(a)

Single-family dwelling.

(b)

Two-family dwelling.

(c)

Triplex.

(d)

Quadruplex.

(e)

Garden apartments.

(f)

Townhouse apartments.

(g)

Bed-and-breakfast.

(h)

Mid-rise apartments, including elderly housing facilities.

(i)

Essential services, church, school, recreational facilities, and temporary uses as regulated in the R-1 Residential District.

(2)

Accessory uses. The following accessory uses shall be permitted in the R-4 Residential District:

(a)

All accessory uses listed and as otherwise regulated in the R-3 District.

(3)

Conditional uses. The following uses are permitted as conditional uses in the R-4 Residential District, subject to the regulations and procedures outlined under Article IX of this chapter:

(a)

Quasi-public uses.

(b)

Public library.

(c)

Cemetery.

(d)

Telecommunications signal receiving, transmission or relay tower.

(4)

Uses by special exception. The following uses shall be permitted as uses by special exception in the R-4 Residential District, subject to the regulations and procedures outlined under Article X of this chapter:

(a)

Adult or child day-care center.

(b)

Public utility structures.

(c)

Community garage.

(d)

Group residence, personal care boardinghome, group care facility, boardinghouse or nursing home.

(e)

High-rise apartments.

(f)

Transitional dwelling.

Bulk and area requirements. The following bulk and area requirements are hereby established for all permitted principal and accessory structures and uses in the R-4 Residential District.

(1)

Minimum lot dimensions, setbacks and densities. The minimum lot frontage, depth, width and area (in square feet or acres) dimensions; minimum front, rear and side yard setbacks and maximum densities shall be as follows:

	Lot Dimensions		Required Setbacks
Principal Use	Frontage/Depth (feet)	Lot Area	Principal Building(s) Front/Rear/Side (feet)	Accessory Structures Rear/Side (feet)
1-family	50/100	5,000 square feet	20/30/5*	2/2
2-family	65/100	7,200 square feet	20/30/6*	2/2
Triplex	80/100	9,000 square feet	20/30/7*	3/3
Quadruplex	80/100	10,000 square feet	20/30/8*	3/3
Bed-and-breakfasts	80/110	10,000 square feet	20/30/8*	3/3
Garden apartments	100/100	0.5 acre***	20/30/10*	5/5
Townhouses	100/100	0.5 acre***	20/30/10*	5/5
Mid-rise apartments	200/200	0.1 acre	40/40/20*	5/5

NOTES:
*	Or 25% of the total lot depth, whichever is greater.
**	Or 10% of the total lot width, whichever is greater.
***	Not less than 2,420 square feet (sf) of lot area per dwelling unit (d.u.), and having a maximum density of not more than 18 dwelling units per acre.
#	Not less than 1,815 square feet (sf) of lot area per d.u., and a maximum density of not more than 24 units per acre.

(2)

Maximum lot coverage. The maximum lot coverage shall be as follows:

(a)

Single-family: 41%.

(b)

Two-, three- and four-family: 47%.

(c)

Garden apartments and townhouses: 49%.

(d)

Mid-rise apartments: 35%.

(e)

All others: 30%.

(3)

Maximum height. The maximum height shall be the same as that established for all permitted principal and accessory structures and uses in the R-3 Residential District and, in addition, mid-rise apartments shall not exceed 55 feet and five stories in height.