Any non-farm fence or wall exceeding six feet in height shall obtain a building permit. A fence is prohibited in the road right-of-way. A fence is permitted within the limits of the side and rear yards to a maximum of six feet in height. In the front yard, a fence may not exceed 3 ½ feet, unless it obstructs visibility clearances of any adjacent driveway or street. The best side of the fence must face the neighboring land user.