No building shall be erected or enlarged unless the following yards are provided and maintained in connection with such building, structure or enlargement:
A. Front Yard: A front yard of not less than forty feet (40').
B. Side Yards:
1. On each lot upon which a dwelling is constructed, there shall be a side yard on each side of the principal building of not less than twenty feet (20').
2. On each lot upon which a permitted nonresidential building or structure is erected or enlarged, there shall be a side yard of not less than twenty feet (20') on each side of the principal building or structure.
C. Rear Yard: A rear yard of not less than forty feet (40'). (Ord. C-405, 8-17-2004)