This zone is designed for single-family attached, single-family semidetached and single-family detached uses in accordance with the requirements hereinafter set forth:
A. 
Single-family detached dwellings.
B. 
Single-family semidetached dwellings of not more than two units.
C. 
Single-family attached dwellings in buildings of not more than six units.
The following uses are also permitted:
A. 
In single-family detached dwellings:
(1) 
The office of professional persons, provided that such professional person resides on the premises. Not more than two persons, other than the resident of the premises, may be employed by such professional person, and not more than 1/2 of the floor area of one story of the dwelling unit shall be devoted to such use. No use permitted by this subsection shall result in any permitted professional use operating in this zone in other than a building strictly residential in appearance. Except for permitted signs, there shall be no physical evidence of said use visible from the exterior of the building so used; or
(2) 
Home occupation, provided that not more than 1/2 of the floor area of one story or the basement shall be devoted to such use, or, if conducted in an accessory building, the area of such use shall be limited to not more than 1/2 of the floor area of the principal structure. No merchandise or materials, either assembled or unassembled, shall be received into the residence or accessory structure for the purpose of merely storing and/or reselling. No machinery or equipment shall be used except machinery or equipment which is usually found in the home and which will not cause electrical or other interference with radio and/or television reception. No use permitted by this subsection shall result in any use operating in this zone in other than a building strictly residential in appearance. Except for permitted signs, there shall be no physical evidence of said use visible from the exterior of the building so used.
B. 
Signs as permitted by Article XVII, Signs.
The following uses shall be permitted as conditional uses subject to the conditions and procedures set forth in Article XVI, Conditional Uses:
A. 
All public or institutional uses.
B. 
Public utility uses.
Accessory uses customarily incident to the above uses shall be permitted, provided that they do not include any activity commonly conducted for profit. Accessory uses specifically permitted are:
A. 
Commercial vehicles in accordance with the provisions of Article XIV, Promotional Vehicles and Commercial Telephone Listings in Residential Zones.
B. 
Business or commercial telephones in accordance with the provisions of Article XIV, Promotional Vehicles and Commercial Telephone Listings in Residential Zones.
A. 
The following general development standards shall be met in the R-3 Residential Zone:
(1) 
The building shall not exceed 2 1/2 stories or 35 feet in height, whichever is lesser. The height shall be measured from ground level or finished grade to the highest point on the roofline.
(2) 
Land coverage. The maximum land area to be covered by all impervious surfaces shall not exceed 50% of the total lot area.
(3) 
The maximum overall tract density shall not exceed eight units per acre.
B. 
Single-family detached, minimum standards. The following minimum standards for single-family detached dwellings shall be met in the R-3 Residential Zone:
(1) 
Minimum lot area. The minimum lot area shall be at least 5,000 square feet.
(2) 
Minimum lot width. The minimum lot width at the street line shall be 50 feet measured along the street line.
(3) 
Front yard. There shall be a front yard of not less than 20 feet.
(4) 
Side yards. There shall be two side yards totaling 16 feet, provided that no side yard shall be less than four feet.
(5) 
Rear yard. There shall be a rear yard of not less than 20 feet.
C. 
Single-family semidetached, minimum standards. The following minimum standards for single-family semidetached dwellings shall be met in the R-3 Residential Zone:
(1) 
Minimum lot area. The minimum lot area shall be at least 6,000 square feet.
(2) 
Minimum lot width. The minimum lot width at the street line shall be 50 feet, measured along the street line.
(3) 
Front yard. There shall be a front yard of not less than 20 feet.
(4) 
Side yards. There shall be two side yards totaling 16 feet, provided that no side yard shall be less than four feet.
(5) 
Rear yard. There shall be a rear yard of not less than 20 feet.
D. 
Single-family attached, minimum standards. The following minimum standards for single-family attached dwellings shall be met in the R-3 Residential Zone:
(1) 
Minimum lot area. The minimum lot area shall be at least 3,000 square feet.
(2) 
Minimum lot width. The minimum lot width at the street line shall be 20 feet, measured along the street line.
(3) 
Front yard. There shall be a front yard of not less than 20 feet.
(4) 
Side yards. There shall be a minimum side yard of not less than four feet.
(5) 
Rear yard. There shall be a rear yard of not less than 20 feet.