The following uses are permitted in an R-4 District:
   (A)   One single-family dwelling on any lot or parcel, which dwelling shall be of such size, bulk and construction as to contain on the first floor thereof a minimum of 960 square feet of living floor area if such dwelling is of the single-floor design; or 720 square feet of living floor area on the first floor if the dwelling is of the story and one-half, split-level or two-story design; and
   (B)   All uses permitted in the R-3 District.
(Prior Code, § 156.111)