Any use permitted in the R-1 District.

Two-Family Dwellings. Exclusive of the basement or cellar, a two-family dwelling may not contain more than one (1) kitchen per dwelling unit.

Two (2) attached single-family dwellings.

Accessory buildings and uses customarily incident to the above uses when located not less than forty (40) feet from the front lot line and not nearer to the front lot line than the street wall of the main building, including storage garages (not exceeding a capacity of four (4) motor vehicles) wherein may be stored one (1) commercial vehicle of not more than two and one-half (2 1/2) tons' gross vehicle weight. Space for not more than three (3) noncommercial vehicles may be leased, provided that space for at least one (1) noncommercial vehicle may not be leased but must be retained for use of an occupant of the building.

Family day-care homes.

Group homes for the developmentally disabled.

Front Yard. There shall be a front yard having a depth of not less than twenty (20) feet, but every building shall be set back from the street line a distance at least equal to the average of the setbacks of all street walls within one hundred (100) feet on either side of the street wall in question and within the same street and block frontage, provided that in no case shall a setback of more than seventy-five (75) feet from the street line be required as a front yard, and provided further that a projection in the form of a one-story vestibule, hood or storm enclosure on the front of the building shall be exempt from the above front yard setback requirement if the projection does not extend at any point more than four (4) feet six (6) inches beyond the required setback line, and provided that the street wall of the projection shall not exceed in length the greater of the following: forty (40%) percent of the street wall of the building or twenty (20) feet.

Side Yard. The side yard regulations are the same as those in the R-1 District; provided, however, that the provisions therein applying to a building shall equally apply to a structure of two (2) attached single-family dwellings.

Rear Yard. The rear yard regulations are the same as those in the R-1 District.

Lot Area. The lot area and frontage regulations applicable to single-family detached dwellings shall be the same as those set forth in the R-1 District. (See § 40-1704E) For all other uses permitted in the R-2 District, the lots utilized for same shall have a frontage of not less than seventy-five (75) feet and a lot area of not less than seven thousand five hundred (7,500) square feet. Nothing herein shall be construed as to permit the division of an existing lot for the construction of a building unless all requirements with respect to area and yards are complied with. Further, no structure in existence as of the effective date of this chapter may be converted to any use permitted in this district unless the lot complies with the area requirements provided for herein and does not increase any existing legal nonconformance as to front, side or rear yard or otherwise violate front, side or rear yard regulations contained herein.