The R Districts are established to provide for the development of residential neighborhoods occupied by all types of residential structures together with certain additional uses which are supporting to and compatible with residential neighborhood.
A. 
In R Districts, no building or other structure or land shall be used and no building or other structure shall be built for any purpose other than:
(1) 
A one-family dwelling, subject to the provisions of § 185-85, Supplementary regulations relating to dwellings, including the following accessory uses and buildings:
(a) 
Outdoor storage of not more than one each of the following: boats, boat trailers, camp trailers, utility trailers owned for personal use by a resident.
(b) 
Private garages or open parking for operative passenger vehicles with current license plates owned by persons visiting or residing on the premises.
(c) 
Playhouses, toolhouses or garden houses.
(d) 
Private swimming pools not operated for gain.
(e) 
Agriculture as defined herein.
(f) 
Garage, porch, yard or equivalent sale on not more than three consecutive days and not more than three times per twelve-month period.
(2) 
Two-family dwellings, subject to the provisions of § 185-85, Supplementary regulations relating to dwellings.
(3) 
Home occupations as defined herein, subject to the provisions of § 185-92. The area used for home occupation shall not exceed 15% of a dwelling unit.
(4) 
Other uses as provided by Article XIII, Signs, and § 185-72, Temporary uses and structures.
B. 
The following uses permitted with a special use permit subject to the procedures and criteria in § 185-55.
(1) 
Any use permitted with a special use permit in the S District.
(2) 
Nursing homes.
(3) 
Private athletic fields, private swimming pools or other private recreational facilities not operated for profit.
(4) 
A private or commercial automobile parking lot on land directly abutting a Business or Industrial Use District at the side or rear, provided that no part of such lot extends more than 400 feet beyond the boundary line of such Business or Industrial Use District; or extends into the front yard or extends closer to the side line of a residential lot than 50 feet; and provided that wherever abutting upon other than industrial or commercial property, the parking lot is to be densely planted with trees and shrubbery for a depth of not less than 25 feet.
C. 
Prohibited uses. Any use not specifically permitted shall be prohibited.
A. 
Area per dwelling unit and lot dimensions.
(1) 
For a single-family dwelling, the minimum land area shall be 12,000 square feet and the minimum width of the lot at the front building line shall be not less than 90 feet. However, this shall not apply to prevent the construction of a single-family dwelling on a lot existing on the date of this enactment and not adjoined at the side by another unoccupied lot or other unoccupied land in the same ownership, having an area of less than 12,000 square feet, provided that the front, rear and side setback requirements specified below are met.
(2) 
For a two-family dwelling, the minimum land area shall be 16,000 square feet and the minimum width of the lot at the front building line shall be not less than 110 feet.
B. 
Front setbacks. No building or part of a building other than steps, open porches, eaves and cornices and similar fixtures shall extend nearer the street line than the average distance of the setback of the nearest main building within 100 feet on each side of said building and fronting the same side of the street. When only one building exists on the same side of the street with the building to be erected and within 100 feet thereof, the building setback from the street line shall be not less than the average between the setback of the existing building and 50 feet. When no building exists on the same side of the street with the building to be erected and within 100 feet thereof the setback at the front shall be 25 feet from the street line, or 50 feet from the center line of the street, whichever requires the greater setback from the street line. However, the above shall not apply to require placing a building more than 10 feet back of the front main wall of an existing adjacent building within 100 feet thereof.
C. 
Rear setbacks. There shall be a rear yard with a depth of not less than 25 feet. When a building or property extends through a block from street to street, the front yard requirements shall be observed on both streets.
D. 
Side setbacks. There shall be two side setbacks with a total width of not less than 30 feet, and the minimum width of one side yard shall not be less than 10 feet.
E. 
Corner lots. In the case of a corner lot, both setbacks abutting streets shall be determined as provided in Subsection B. The minimum width of the lot at the building line parallel to the street considered to be the front street shall be 100 feet.
F. 
Height. For each foot that the height of a building or other structure exceeds 35 feet, the total width of the two side setbacks shall be increased by two feet.
A. 
The requirements shall be as set forth in § 185-74, Required off-street parking and automobile storage space.
B. 
No detached private garage or other accessory building shall be placed closer to a side or rear property line than 10 feet, and for each foot the height of such building exceeds 15 feet, the offset from the rear and side property line shall be increased by one foot. No detached garage or other accessory building shall be placed closer to the street line than 10 feet to the rear of the rear main wall of the principal building, and on a corner lot, closer to the street line of the side street than 50 feet, or 1/2 the width of the lot, whichever is the lesser. In relation to an attached garage or carport built as a structural part of a dwelling, with or without breezeway connection, the same front and side setbacks shall be required as for a dwelling, and such setbacks shall be measured from the outer walls or roofline of such attached garage or carport. An attached garage or carport may extend into a rear yard.
C. 
No garage or other accessory building shall be used as dwelling.
The requirements shall be as set forth in § 185-13.
In the case of lots in R Districts not served by public water and sewer, the minimum lot area per dwelling unit shall be 20,000 square feet and the minimum width at the front building line shall be 100 feet.
The minimum land area or lot size for a nonresidential use shall be 15,000 square feet and the minimum width of the lot at the front building line shall be 80 feet. For a nonresidential building, other than a garage or other building accessory to a dwelling, there shall be two side setbacks with a total width of not less than 60 feet, and for each foot the height of such building exceeds 35 feet, the total width of the two side setbacks shall be increased by four feet. The width of the narrower of the two side setbacks shall not be less than 1/3 of the total width of the two side setbacks.
The slopes of yards shall conform to § 185-85D.