(A) Set back or front yard. In a block in the D-3 Dwelling Districts, the set back shall be 25 feet if there are no buildings constructed upon the two adjacent and abutting lots. If there exists a building on each adjacent and abutting lot, then the set back of the building contemplated shall be the average of the set backs of the two buildings on the two adjacent and abutting lots. If only one adjacent and abutting lot has a building constructed upon it, then the set back of the building contemplated shall be the average of the set back of the adjacent lots building and 25 feet. For corner lots, the set back shall be the 25 feet; provided that, if a building has been constructed on the adjacent and abutting lot the set back shall be the average of 25 feet, and the set back of the building on the adjacent lot, except that this provision shall not be construed to permit a structure within visibility limits at corners.
(B) Side yards. Each lot in a D-3 Dwelling District shall have two side yards, one on each side of the building. The width of each of the two yards shall not be less than five feet, except that for a dwelling greater than a story and one half in height the side yards shall be five feet, plus three feet for every story or part thereof above a story and one-half building.
(C) Rear yards. Each lot in a D-3 Dwelling District shall have a rear yard not less than 25 feet; provided that, unattached accessory buildings may be constructed in the rear yard in accordance with § 154.057.
(D) Minimum dimensions. No lot in a D-3 Dwelling District may be constructed upon which has a frontage of less than 62 feet or an area of less than 2,400 square feet per three-bedroom living unit, 2,000 square feet per two-bedroom living unit or 1,800 square feet per single-bedroom living unit; provided that, nothing contained herein may be construed to permit the construction of a D-1 or D-2 dwelling in a D-3 Dwelling District upon a lot with an area of less than 7,000 square feet.
(E) Off-street parking. Each lot in a D-3 Dwelling District must provide not less than two parking spaces per living unit no part of which may be public right-of-way.
(Ord. passed 6-9-1947; Ord. passed 12-19-1949; Ord. passed 7-8-1955; Ord. passed 11-16-1959; Ord. passed 3-28-1960; Ord. passed 7-8-1974; Ord. passed 4-28-1975; Ord. 8.24, passed 9-17-1979)