In this district, the land may be used and buildings and structures may be erected, altered or used for the following purposes and no other:
A. 
A use permitted in Residence District R-1.
B. 
Professional offices.
C. 
Essential services.
D. 
Accessory uses on the same lot with and customarily incidental to any of the above permitted uses and not seriously detrimental to the neighborhood.
In this district, the minimum dimensions of lots, yards and other open spaces and the area of lots required per building thereon shall be as follows:
A. 
There shall be a front yard of not less than 35 feet at any point from the property line.
B. 
On each lot, there shall be two side yards totaling not less than 15 feet and neither yard being less than five feet. In the case of a corner lot, the required front yard shall conform to the established building line on the street or 35 feet, whichever is greater, and there shall be no rear yard required.
C. 
Where land extends through in the rear to another street, there shall be a rear yard equal in depth to that required for the front yard on the opposite side of such street, but not less than 35 feet.
D. 
A buffer area, as defined by this chapter, shall be provided along all property lines which adjoin single-family development or single-family or civic district zoning classification. The buffer area shall be at least six feet in depth as measured from the property line.
E. 
There shall be a rear yard of not less than 25 feet at any point.
F. 
The maximum permitted lot coverage shall be 35%.
All authorized uses other than single-family dwellings in this district shall be subject to the application requirements and approval procedures for the site plan approval specified in § 374-71 of this chapter.