[Amended 7-8-1985 by L.L. No. 6-1985]
No building or part there of shall be erected or altered in these districts that is nearer the street line upon which it fronts than the average setback of the buildings on the same side of the street within the same block, but no street wall of a building need be set back more than 30 feet in a Dwelling A District and 20 feet in a Dwelling B District. When all lots on any side of a block are vacant, no street wall of a building in a Dwelling A District shall be set nearer than 25 feet to the street line and in a Dwelling B District shall not be set nearer than 20 feet to the street line. Porches in these districts shall not be nearer the street line than 15 feet in a Dwelling A District and 10 feet in a Dwelling B District. On corner lots the setback distance from the street line, other than the street upon which the building or any projection fronts, shall be not less than 15 feet.