(a) Where, on any street frontage in any use district, a specific building line is indicated on the Zone Map, such building line shall be the front or side street yard line of that street frontage.
(b) Where a specific building line is indicated on the Zone Map, but where sixty percent or more of the frontage between two successive intersecting streets, excluding the frontage along the side lines of corner lots, is improved with buildings that are nearer the street line than the specified line, the ground level story of a building may be extended out to the average line of the existing buildings on either side thereof, provided that no existing building be considered as being farther from the street line than the specific building line.
(c) Where specific building lines are indicated on the Zone Map for both the front and the side of a corner lot, the side street yard need not exceed ten percent of the width of the lot for the distance, not exceeding 150 feet back from the front building line, that is occupied by the corner building.
(d) Where a setback building line is required on a lot that adjoins a street frontage along which either no setback building line is required or a building line nearer to the street is provided, a building may be erected beyond the building line herein provided for the lot to a point midway between the building line and the building line along such adjoining frontage and extending not more than fifty feet from such less restricted frontage.
(Ord. 42-55. Passed 2-21-55.)