Any lot or plot having a minimum forty forty-foot frontage in the residential zones in separate ownership on August 11, 1972, and which has an area or width less than that required in the zone in which it is located may be occupied by a single detached, one-family dwelling provided that:

Any portion of a lot or plot shall not be counted again as a required yard for another building nor shall it be sold in whole or in part as a parcel or lot separate from the lot or plot of which it is a part.

In the residential zones, no portion of any lot or plot shall be sold if such sale will reduce the area of such lot or plot to the point where the area of the building thereon will be greater than 35% of the lot area or reduce the width or depth of the yards no less than that required in the zone.

In the residential zones, the eaves of a main or accessory building may not extend more than 18 inches into a required yard and shall not be considered in the calculation for lot coverage..

In any residential zone, walkways at and cantilevered from the level of the second floor, and having no separate supports or columns extending to the ground, may extend not more than 42 inches into ten-foot wide side yards and front yards only.

A second story extending beyond the walls of the first story, supported by cantilevered construction and having no separate supports or columns extending to the ground, may extend not more than 36 inches into ten-foot wide side yards and front yards only.

For the purpose of this chapter, a carport attached to a main or accessory building is considered to be an integral part of that building, and as such may not extend into any required yard. A carport is defined as a roofed structure with or without sidewalls erected for the purpose of sheltering without completely enclosing a motor vehicle.

Platforms not to exceed four feet by eight feet, utilized solely for air-conditioning units shall not be counted in the calculation of lot coverage and shall not encroach not more than four feet into the side yard setback.

An exterior elevator tower may be permitted on all residential buildings. The elevator may only encroach the rear yard setback, not more than six feet from the face of the existing building and not greater than 36 square feet in area, which shall be exempt from lot coverage.

A home generator platform, not to exceed four feet by eight feet, shall not be counted in the calculation of lot coverage and shall not encroach any setback by more than four feet.

Decks with open railing and open guards may exceed the building height limitations by no more than forty-eight inches.

Pool equipment and air conditioner platforms combined should not exceed the span of four feet by eight feet, shall not be counted in the calculation of lot coverage and shall not encroach more than four feet into the side yard setback.