The purpose of this article is to establish a district in which single-family, up to four-family residential use may take place, and to identify other compatible allowable uses, as well as transitional uses and use variances which may be allowed under certain circumstances and with limitations as identified hereinafter.

The following listed uses and no others are permitted uses in an R-3 district:

(a)

Any use permitted in an R-1 and R-2 district.

(b)

Additional residential uses as follows: Two-family up to four-family detached buildings.

In an R-3 district, the following uses are permitted:

(a)

Any transitional use In R-1 and R-2 districts.

(b)

Multiple-family detached dwellings.

Minimum lot size requirements for an R-3 district are as follows:

(a)

Every transitional use permitted in this zoning district hereafter established shall conform to the minimum lot sizes as established in an R-2 residence district as set forth in section 86-28(a), except that multiple-family transitional uses shall have a minimum of 2,500 square feet of lot area for each dwelling unit in such multiple-family transitional use.

(b)

Every single-family or two-family detached dwelling hereafter erected shall be on a zoning lot having a minimum area of 8,750 square feet and a minimum lot width of 70 feet at the building line; provided that a lot of record on the effective date of this chapter which is less than 8,750 square feet in area or less than 70 feet in width may be improved with a single-family or two-family detached dwelling where authorized by the board of zoning appeals.

(c)

Every three- and four-family detached dwelling hereafter erected shall be on a zoning lot having a minimum area of 10,000 square feet and a minimum lot width of 90 feet at the building line.

(d)

The regulation governing use variance minimum lot size shall apply.

In an R-3 district, the floor area ratio of all buildings and structures on a zoning lot shall not exceed 0.5.

In an R-3 district, the maximum building coverage on a zoning lot shall not exceed 35 percent, and the maximum lot coverage shall not exceed 50 percent.

In an R-3 district, the regulations governing front yards in R-1 and R-2 districts shall apply.

Minimum side yard requirements in an R-3 district are as follows:

(a)

For one-family detached dwellings: The regulations governing side yards for one-family detached dwellings in R-1 and R-2 districts shall apply.

(b)

For two- to four-family attached dwellings: On a lot improved with a two- to four-family attached dwelling, a side yard shall be provided along each side lot line. The combined width of both side yards shall be at least 20 percent of the lot width; provided, that neither side yard shall be less than ten feet in width in a R-3 district.

(c)

Reversed corner lots: On a reverse corner lot the side yard adjacent to the street shall be considered as a front yard and have a yard equal to the required front yard.

(d)

Exceptions for existing narrow lots: The regulations governing existing narrow lots in R-1 and R-2 residence districts shall apply.

(e)

Required side yards: The required side yards shall be unobstructed from ground level to sky except as otherwise provided in section 86-6(g)(5), Permitted obstructions in required yards.

In an R-3 district, the regulations governing required rear yards in R-1 and R-2 residence districts shall apply.

The maximum building height requirement in a R-3 zoning district is 35 feet.