The following shall apply in R-4 Multiple-Dwelling, Three-Story or Less Districts.
(A) Intensity of use.
(1) A lot on which there is erected a single-family dwelling shall contain an area of not less than 4,000 square feet and a lot width of not less than 35 feet.
(2) A lot on which there is erected a two-family or a semi-detached dwelling shall contain an area of not less than 2,000 square feet per dwelling unit, and a lot width of not less than 35 feet.
(3) A lot on which there is erected two- story row houses or two-story group dwellings shall contain an area of not less than 1,500 square feet per dwelling unit and a lot width of not less than 35 feet.
(4) A lot on which there is erected a three- story multiple-dwelling structure or three-story multiple-family group dwelling structures shall contain an area of not less than 750 square feet per dwelling and a lot width of not less than 35 feet.
(5) There shall be no exceptions to the standards in divisions (A)(1) through (4) above except where a contiguous parcel in any single ownership of record on the effective date of this chapter has less than 4,000 square feet or a width of less than 35 feet that parcel may be used for single-family dwelling purposes only.
(B) Front yard.
(1) The front yard regulations for single-family, two-family, and two-story row house dwellings shall be the same as those in the R-3 Multiple-Dwelling District.
(2) A lot on which there is erected a multiple-dwelling structure or multiple-family group dwelling structure shall have a front yard of not less than 20 feet.
(C) Side yard.
(1) The side yard regulations for single-family and two-family dwellings shall be the same as those in the R-1 Single-Family District.
(2) The side yard regulations for two-story row house dwellings, two-story multiple-dwellings, and two-story group dwellings shall be the same as those in the R-3 Multiple-Dwelling and/or Two-Story Row House District.
(3) A lot on which there is erected a three-story multiple-dwelling shall have side yards of not less than 20 feet.
(4) Where a lot or parcel is used for three-story multiple-family group dwellings, every building or part thereof shall be located not less than 20 feet from either side lot line.
(D) Rear yard.
(1) The rear yard regulations for single-family, two-family, two-story row house dwellings, and two-story multiple-dwellings or group dwellings are the same as those in the R-1 Single-Family District.
(2) A lot on which a three-story multiple-dwelling or three-story multiple-family group dwellings are erected shall have a rear yard of not less than 20 feet.
(Prior Code, § 156.157) Penalty, see § 156.999