A. Front Yards. There shall be a front yard on each lot which shall be not less than thirty feet in depth.
B. Side Yards.
1. On each interior lot there shall be two side yards having an aggregate width of not less than fifty feet, neither side yard having a width of less than twenty feet, except as provided in Section 17.40.060.
2. On each corner lot there shall be two side yards, the side yard abutting the street having a width of not less than fifty feet and the side yard not abutting the street having a width of not less than twenty feet, except as provided in Section 17.40.060.
C. Rear Yard. There shall be a rear yard on each lot the depth of which shall not be less than fifty feet, except as provided in Section 17.40.060.
(Ord. 81-11 Art X § 3 (B), (C),(D), 1980).