Except as hereinafter provided, no building or structure shall be hereafter erected or located on a lot unless such building, structure or enlargement conforms with the area regulations of the district in which it is located:
A. No parcel of land held under separate ownership at the time of the effective date hereof may be reduced in any manner below the minimum standards established by such ordinance for the district within which the lot is located.
B. No lot area may be so reduced or diminished that the yards or other open spaces will be smaller than prescribed by this title, nor may the occupancy be increased in any manner except in conformity with the regulations herein established.
C. No required yard or other open space around an existing building, or which is hereafter provided around any building for the purpose of complying with the provisions of this title, may be considered as providing a yard or open space for any other building, nor may any yard or other required open space on an adjoining lot be considered as providing a yard or open space on a lot whereon a building is to be erected.
D. No parking area, parking space or loading space which is provided for the purpose of complying with the provisions of this title shall thereafter be relinquished or reduced in any manner below the requirements established in this title, unless equivalent facilities are provided elsewhere, the location of which is approved by the commission. (Ord. 1000 § 35.00, 1955)