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Borough of Rosslyn Farms, PA
Allegheny County
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The purpose of the R-1 Suburban Residential District is to protect the amenities of certain areas of Rosslyn Farms Borough where the pattern has already been established with single family development on relatively large lots; and to allow certain additional compatible uses such as schools, parks, churches, and certain public facilities which serve the residents of the Zoning District.
In the R-1, Suburban Residential, District only the following uses are authorized:
A. 
PERMITTED USES
1. 
Principal Uses
a. 
Single Family Dwelling
b. 
Essential Services
2. 
Accessory Uses
a. 
Signs, subject to Article XII
b. 
Off-street Parking Areas (Public or Private) and Off-street Loading, subject to Article XI
c. 
Accessory Uses customarily incidental to and on the same lot with any permitted use, conditional use or use by special exception authorized in this Zoning District.
d. 
Private Swimming Pools or Private Tennis Courts Accessory to a Dwelling, subject to § 1403.3
e. 
Private Parking Garages and Accessory Storage Buildings, subject to § 1403.3
f. 
Fences, subject to § 1403.3
g. 
Temporary Construction Trailer or Model Sales Office, subject to § 190-1407
h. 
Home Gardening
i. 
Keeping of Domestic Pets
j. 
No Impact Home Based Business, subject to § 1412
B. 
CONDITIONAL USES.
1. 
Principal Uses
a. 
Educational, Philanthropic, or Religious institution, subject to § 1303.6
b. 
Community Services Institution, subject to § 1303.6
c. 
Public Buildings, subject to § 1303.15
d. 
Public Recreation, subject to § 1303.16 and § 1303.17
e. 
Schools, subject to § 1303.3
f. 
Churches, subject to § 1303.3
2. 
Accessory Uses
a. 
Home Occupation, subject to § 1303.11
C. 
USES BY SPECIAL EXCEPTION
1. 
Principal Uses
a. 
Community Club, subject to § 1303.5
b. 
Day Care Center or Nursery School in a Church or School, subject to § 1303.8
c. 
Temporary Use or Structure, other than a Construction Trailer or Model Sales Office, subject to § 1303.21
d. 
Public Utility Buildings or Structures, subject to § 1303.19
e. 
Expansion of Nonconforming Use, subject to § 1303.9 and § 1601.4
In the R-1, Suburban Residential, District, all uses shall be subject to the following regulations, except as they may be modified by the express standards and criteria for the specific conditional uses and uses by special exception contained in Article XIII.
A. 
MINIMUM LOT AREA:
Single Family Dwellings: 15,000 sq. ft.
All Other Principal Uses: 1 acre
B. 
MINIMUM LOT WIDTH: 100 feet
C. 
MAXIMUM LOT COVERAGE: 40%
D. 
MINIMUM FRONT YARD: 25 feet
E. 
MINIMUM REAR YARD:
Principal Structures: 25 feet
Accessory Structures: 5 feet
F. 
MINIMUM SIDE YARD:
Principal Structures: 20 feet
Accessory Structures: 10 feet
G. 
DWELLING FLOOR AREA: See § 190-1408
H. 
SPECIAL YARD REQUIREMENTS: See § 190-1403
I. 
PERMITTED PROJECTIONS INTO REQUIRED YARDS: See § 190-1404
J. 
MAXIMUM HEIGHT:
Single Family Dwellings: 2-1/2 stories, but not more than 35 feet
All Other Principal Structures: 3 stories, but not more than 45 feet
All Accessory Structures: 1 story, but not more than 15 feet
K. 
HEIGHT EXCEPTIONS: See § 190-1405
L. 
AREA EXCEPTIONS FOR NONCONFORMING LOTS: See § 1603.1
See § 190-1411
See Article XI
See § 190-1401
See Article XII
See § 190-1402
See § 190-1409