Height. No building hereafter erected or structurally altered shall exceed three (3) stories or forty-five (45) feet, except as provided in Section 404.080.

Front Yard. Any building hereafter constructed shall have a front yard with a depth of not less than twenty-five (25) feet to the front line of the building for the first thirty-five (35) feet of building height with one (1) additional foot of setback for each additional two (2) feet of building height above thirty-five (35) feet and not less than fifteen (15) feet to the front line of an open porch or paved terrace. See provisions for "R-1."

Rear Yard. There shall be a rear yard having a depth of not less than twenty-five (25) feet; provided, however, that for lots less than one hundred (100) feet in depth and of record at the time of passage of this Section, the rear yard requirements shall be reduced to twenty percent (20%) of the depth of such lot, except as provided in Section 404.080.

Side Yard. There shall be a side yard on each side of a building having a width of not less than ten (10) feet for a one-story building and fifteen (15) feet for a two-story building. The additional side yard is necessary due to the size of buildings.

Lot Size. The lot shall provide at least two thousand (2,000) square feet per living unit.

Lot Width. The minimum lot width for construction of a multifamily dwelling shall be eighty (80) feet plus thirty (30) feet for each story over two (2).