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Montgomery Township
City Zoning Code

ARTICLE IX

R-3A Residential District

§ 230-49 Uses and regulations.

A. 
Uses by right. In any R-3A Residential District, land, buildings or premises shall be used for any of the following purposes and no other:
(1) 
Residential dwellings and uses to include only, singularly or in groups, duplex/twin/townhouse dwellings or, under the provisions of the R-2 Residential District area and bulk regulations, single-family detached dwellings.
(2) 
Passenger shelters for local stops of public transportation.
[Amended 2-28-2005 by Ord. No. 04-190Z]
(3) 
Accessory uses on the same lot which are customarily incidental to any of the foregoing uses, including noncommercial recreation facilities and signs permitted under § 230-126B of this chapter.
[Amended 6-22-1992 by Ord. No. 92-1; 2-28-2005 by Ord. No. 04-190Z]
(4) 
(Reserved)[1]
[1]
Editor's Note: Former § 230-49A(4), Family day-care home, added 7-1-1991 by Ord. No. 17-063, was repealed 6-28-1999 by Ord. No. 99-111Z.
(5) 
Such wireless telecommunications facilities as permitted by right, special exception or conditional use, depending on the type of facility, in compliance with Article XXX herein.
[Added 1-11-1999 by Ord. No. 98-97Z]
B. 
(Reserved)[2]
[2]
Editor's Note: Subsection B, Uses by special exception, was repealed 2-28-2005 by Ord. No. 04-190Z.
C. 
Dwelling unit mix. In any R-3A Residential District, site development shall be permitted to mix dwelling types with the overall density directly in proportion to the numbers of each type of dwelling.

§ 230-50 Area, height and bulk regulations.

[Amended 4-14-1986 by Ord. No. 17-034; 7-23-2007 by Ord. No. 07-219Z]
In the R-3A Residential Districts, the following area, height and bulk regulations shall apply:
Type of Regulation
Twin Duplex
Townhouse
Site area
Size (minimum acres)
10
10
Buffer
Front (minimum feet from property line)
60
75
Side (minimum feet from property line)
40
50
Rear (minimum feet from property line)
40
50
Common open space (minimum percentage of total open space)
50
50
Building coverage (maximum percentage of net site area)
25
35
Impervious material coverage, excluding building coverage (maximum percentage of net site area)
30
30
Dwelling (building) lot area
Lot size (minimum square feet per dwelling unit)
5,000
3,200
Building coverage (maximum percentage of lot area)
50
50
Impervious material coverage (maximum percentage of net site area)
30
30
Dwelling unit lot area
A. Not fully deeded out
Outdoor living space adjacent to exterior
Front walls of unit (minimum feet from wall)
15
15
Side walls of unit (minimum feet from walls)
10
10
Back walls of unit (minimum feet from walls)
10
10
Parking spaces per dwelling unit (minimum)
2
2
B. Fully deeded out
Lot size (minimum square feet per dwelling unit)
5,000
3,200
Front yards (minimum feet from lot line)
40
40
Side yards (minimum feet from lot line)
12.5
12.5
Back yards (minimum feet from lot line)
40
40
Parking spaces per dwelling unit* (minimum)
3**
3**
Maximum impervious surface ratio
80%
80%
Dwelling (building)
Height (maximum feet)
35
35
Not fully deeded out
Setback from:
 Street (minimum feet)
50
50
 Common parking area (minimum feet)
25
25
Other buildings:
    Front to front (minimum feet)
60
60
    Front to back (minimum feet)
60
60
    Back to back (minimum feet)
60
60
    Side to front/back (minimum feet)
40
40
    Side to side (minimum feet)
25
25
Dwelling unit
Number of units per gross acre (maximum number)
5
6
Number of units per building (maximum number)
2
8
Setback from other units, same building, wholly facing or end-to-end (minimum feet)
N/A
40
Parking spaces per dwelling unit (minimum)
2
2
NOTES:
*See the end of this chapter for examples of parking arrangements which are acceptable under the terms of the off-street parking and loading space requirements in residential districts.
**Each garage shall be counted as one parking space; a driveway shall be counted as one parking space, regardless of length.

§ 230-51 General requirements.

In an R-3A Residential District, the general requirements shall be as provided in § 230-38 of this chapter.

§ 230-52 Procedural requirements.

In an R-3A Residential District, the procedural requirements shall be as provided in § 230-39 of this chapter.

§ 230-53 Other provisions.

[Added 7-28-1986 by Ord. No. 17-037]
See Article XXI of this Zoning Ordinance for general provisions that may also relate to this District.