§ 159.50 INTENSITY OF USE.
   No building shall be erected which will increase the percentage of occupancy of the lot above the regulations given below, and the intensity of the use of lots shall conform to the following regulations for the respective districts.
   (A)   RS Suburban District. The principal building erected on the lot with its accessory buildings shall not occupy more than 40% of the area of an interior lot nor more than 45% of the area of a corner lot. No single-family dwelling shall be erected on any lot having an area of less than 8,400 square feet or a width less than 70 feet.
   (B)   RI Single-Family Residence District. The principal building erected on the lot with its accessory buildings shall not occupy more than 35% of the area of an interior lot nor more than 40% of the area of a corner lot. No single-family dwelling shall be erected on any lot having an area of less than 7,500 square feet or a width of less than 50 feet.
   (C)   R2 Two-Family Residence District. The principal building on the lot with its accessory building shall not occupy more than 45% of the area of an interior lot nor more than 55% of the area of a corner lot. No dwelling shall be erected or altered to accommodate or make provision for more than one family for each 7,500 square feet of lot area for single-family houses with a minimum lot width of 50 feet and for two-family dwellings 3,750 square feet of lot area per family with a minimum lot width of 50 feet.
   (D)   R3 Multiple-Family Residence District. The regulations applying to the percentage of occupancy of the lot shall be the same as the R2 Two-Family Residence District. Single and two-family dwellings shall be erected only on lots having a minimum area of 7,500 feet and a minimum width of 50 feet, in this district. Multiple dwellings, apartments or group houses/town-houses shall not be erected or altered hereafter to accommodate or make provisions for more than one family for each 500 square feet of the lot, with a minimum width of 50 feet and an area of not less than 7,500 square feet.
   (E)   CI, C2 and C3 commercial districts and C4 general commercial districts. The regulations for intensity of use prescribed for the R3 Multiple-Family Residence Districts shall apply to residential buildings erected or altered in these districts.
   (F)   A lot in any district, except the C5 and I districts, which was a lot of record or was in separate ownership at the time of passage of this chapter, may be used as a residential building lot if additional frontage on either side of the lot was not under the same ownership at the time of passage of this chapter and cannot be reasonably acquired, as determined by the Zoning Board of Appeals, so as to meet the minimum requirements for intensity of use for a single-family dwelling in the district in which the lot is located.
   (G)   A minimum ground area shall be required for each dwelling unit in all districts where permitted as follows:
 
Table 3. Square Feet of Total Floor Area per Dwelling Unit in Districts Where Permitted
Use
RS
R1
R2
R3
C1 - C3
C4
Single-family
960
768
768
768
672
672
Two-family
--
768
768
504
504
Multiple-family
--
--
--
504
504
504
(Ord. 2015-5377, passed 5-5-2015)