1.    District Regulations. The regulations set forth in this section or set forth elsewhere in this Zoning Code, when referred to in this section, are the regulations of the General Residential District (R-2).

2.    Use Regulations. A building or premises shall be used only for the following purposes:

   A.   Multiple - family dwellings.

   B.   Board and lodging houses.

   C.   Private clubs and lodges.

   D.   Hospitals, clinics, or institutions not primarily for the mentally ill or those with contagious diseases, provided that less than 40 percent of the total land area is occupied by buildings and that all the required yards are increased by one foot for each one foot of building height in excess of height limits as specified in this Zoning Code.

   E.   Hospitals, nursing homes, clinics, and educational, philanthropic, or religious institutions, except for those for criminals or for the mentally ill.

   F.   Nursery school.

   G.   Any allowable use in the R-1 Residential District.

3.    Parking Regulations. Off-street parking spaces shall be provided in accordance with the requirements for specific uses set out in Chapter 69 and Section 165.38.

4.    Height Regulations. No building shall exceed two and one-half stories nor shall it exceed 35 feet except as provided in Section 165.20.

5.    Area Regulations.

   A.   Yards. Subject to the modifications set out in Chapter 165, the regulations are as follows:

      (1)   Front Yard. There shall be a front yard of not less than 30 feet.

      (2)   Side Yard. There shall be a side yard on each side of a lot of not less than seven feet.

      (3)   Rear Yard. There shall be a rear yard of not less than 30 feet.

      (4)   Front Porch Reconstruction. If a residence was constructed prior to January 1, 1964, with a front porch that does not comply with the front yard or side yard setback requirements, then the front porch may be rebuilt provided that the overall square footage of the porch is not increased and the existing nonconforming front and side yard setbacks are not decreased.

   B.   Minimum Lot Area.

      (1)   A lot occupied by a single-family dwelling or a boarding or lodging house shall contain not less than 6,000 square feet and shall be not less than 50 feet in width.

      (2)   A lot occupied by a two-family dwelling or a multiple-family dwelling shall contain not less than 3,000 square feet for each dwelling unit and shall be not less than 50 feet in width.

      (3)   A lot occupied by three or more dwelling units shall contain not less than 1,500 square feet for each dwelling unit and shall be not less than 60 feet in width.

      (4)   A lot having an area or width less than herein required and which was recorded under separate ownership from adjoining lots at the effective date of this Zoning Code may be occupied by a single-family dwelling or by any other permitted non-residential use.