1220.07 MINIMUM YARD REQUIREMENTS.
   A.    Front Yard. The minimum front yard in the SF1 District shall be regulated by the setback building line established by the zoning map. Where the map is silent, then the setback shall
be the average of the setbacks of the closest adjoining lots on the same block.
   B.    Residential Side Yard. The principal structure of a residence shall have a side yard setback of no less than fifteen (15) feet on each side.
   C.    Non-Residential Side Yard. Side yards for non-residential uses, where adjacent to a residential use, shall be no less than thirty (30) feet on each side.
   D.    Rear Yard. Rear yards shall be no less than forty (40) feet.