The R-3 High Density Residential District provides for a variety of residential types at a density typical of a small Borough setting. This district encompasses those areas of the Borough predominated by multiple-family and two-family dwellings situated on small lots. The R-3 District is in close proximity to the commercial districts allowing for efficient access to shopping, employment, and public transportation.
[Amended at time of adoption of Code (see Ch. 1, General Provisions, Art. I)]
A building may be erected or used, and a lot may be used or occupied, for any of the following purposes, and no other:
A. 
Uses permitted by right.
(1) 
Single-family detached dwelling.
(2) 
Two-family dwelling.
(3) 
Townhouses.
(4) 
Multiple-family dwelling.
(5) 
Minor home occupations [reference § 525-54A(1), Use A1].
(6) 
Accessory residential buildings, fences, swimming pools, antennas, masts, and parking [reference § 525-54F(1) through (8), Uses F1 through F8].
(7) 
Garage or yard sale [reference § 525-54F(2), Use F2].
(8) 
Temporary structure [reference § 525-54F(3), Use F3].
(9) 
Temporary community event [reference § 525-54F(4), Use F4].
(10) 
Signs, in accordance with the provisions of Article XV.
(11) 
Municipal building or use.
(12) 
Public recreation facility.
(13) 
Off-street parking.
B. 
Uses permitted by special exception.
(1) 
Institutional uses, including public and private library, museum, educational facility, or place of worship [reference § 525-54B(2), Use B2].
(2) 
Residential conversion [reference § 525-54A(2), Use A2].
(3) 
Utilities and substations [reference § 525-54E(1), Use E1].
(4) 
Rooming house or boardinghouse.
(5) 
Community center [reference § 525-54B(4), Use B4].
(6) 
Emergency services.
(7) 
Major home occupation [reference § 525-54A(1), Use A1].
Unless otherwise indicated for a specific use in Article XII, Use Regulations, the following minimum area and bulk regulations shall apply:
A. 
Single-family detached dwelling:
(1) 
Minimum lot area: 6,000 square feet.
(2) 
Minimum lot width:
(a) 
At building line: 50 feet.
(b) 
At curbline: 50 feet.
(3) 
Maximum lot coverage: 40%.
(4) 
Minimum front yard: 25 feet, except as provided for in § 525-56C(2).
(5) 
Minimum side yard: 10 feet.
(6) 
Minimum rear yard: 25 feet.
(7) 
Minimum accessory building setback: five feet.
B. 
Two-family dwellings and townhouses:
(1) 
Minimum lot area per dwelling:
(a) 
Two-family: 3,000 square feet.
(b) 
Townhouse: 2,500 square feet.
(2) 
Minimum lot width per dwelling at building and curbline:
(a) 
Two-family: 30 feet.
(b) 
Townhouse: 25 feet.
(3) 
Minimum area per structure:
(a) 
Two-family: 6,000 square feet.
(b) 
Townhouse: 7,500 square feet.
(4) 
Maximum lot coverage: 45%.
(5) 
Minimum front yard: 20 feet, except as provided for in § 525-56C(2).
(6) 
Minimum side yard: 10 feet.
(7) 
Minimum rear yard: 20 feet.
(8) 
Accessory building setback: five feet.
(9) 
Minimum building separation: 25 feet.
(10) 
Maximum number of units: six units per structure.
C. 
Multiple-family dwellings.
(1) 
Minimum lot area per dwelling: 2,500 square feet.
(2) 
Minimum lot width per structure:
(a) 
At building line: 70 feet.
(b) 
At curbline: 70 feet.
(3) 
Minimum area per structure: 7,500 square feet.
(4) 
Maximum lot coverage: 40%.
(5) 
Minimum front yard: 35 feet, except as provided for in § 525-56C(2).
(6) 
Minimum side yard: 15 feet.
(7) 
Minimum rear yard: 35 feet.
(8) 
Minimum accessory building setback: five feet.
D. 
Any other principal structure or use. The area and bulk regulations of § 525-28A shall apply.
No building shall exceed 45 feet in height. Structures supporting utility facilities are excluded from the provisions of this section.
Additional standards are established throughout this chapter and shall be referenced to determine their applicability to uses and lots within the R-3 High Density Residential District:
A. 
Floodway Hazard District, Article XI.
B. 
Use Regulations, Article XII.
C. 
Design Standards, Article XIII.
D. 
Natural Resource Protection Standards, Article XIV.
E. 
Signs, Article XV.
F. 
Nonconforming Uses, Structures, and Lots, Article XVI.