SEC. 16-33.  REAR YARD.
   (A)   There shall be a rear yard of not less than 25% of the depth of the lot; provided, such rear yard need not exceed 25 feet.
   (B)   Single-story and two-story additions projecting into the required rear yard may be made if attached to existing single-family dwellings provided such additions maintain a minimum 15-foot setback from the rear property line for those lots not abutting an alley; and for those lots having rear property lines that abut a street, alley or parking space maintained by the public and more than 20 feet wide, the addition shall maintain a 15-foot setback from the center line of the street, alley or open space and in no case less than five feet from the rear property line.
(`64 Code, Sec. 34-42)  (Ord. No. 893, 1409, 1611)