(a)   Front yard.
      (1)   There shall be a front yard having a depth of not less than 25 feet, except as required for arterial and collector streets in Article 29 of this Title.
      (2)   Where a lot or group of lots have a double frontage, the required front yard shall be provided on both streets.
      (3)   Where a lot is located at the intersection of two or more streets, there shall be a front yard on each street side of a corner lot; provided, however, that the buildable width of a single lot of record as of the effective date of this Title shall not be reduced to less than 35 feet.
   (b)   Side yard. Except as hereinafter required in the additional height, area, and use regulations of this Title, there shall be a side yard setback of not less than 10% of the width of the lot with a minimum of eight feet and a maximum required setback of 15 feet. A roof overhang of one foot into the required side yard setback area is permitted.
   (c)   Rear yard. There shall be a rear yard having a depth of not less than 25 feet.