(1) When the common property line of two lots is covered by a building(s), the setbacks required by this chapter shall not apply along the common property line; and

(2) When a lot is located between lots having nonconforming street setbacks, the required street setback for such lot may be the average of the two nonconforming setbacks or 60 percent of the required street setback, whichever results in the greater street setback. (Ord. 42-02 § 2 (21A.12.130))