(A) Except as may otherwise be provided in § 152.06, nonconforming structures and uses, all buildings erected hereafter, all uses of land or buildings established hereafter, all structural alterations or relocation of existing buildings occurring hereafter, and all enlargements of additions to existing uses occurring hereafter shall be subject to all regulations of this chapter which are applicable to the zoning districts in which such buildings, uses, or land shall be located.
(B) No application for a land use and zoning permit or other permit or license, or for a certificate of zoning compliance shall be approved by the Zoning Enforcement Officer and no permit or license shall be issued by any other city department which would authorize the use or change in use of any land or building contrary to the provisions of this chapter, or the erection, moving, alteration, enlargement, or occupancy of any building designed or intended to be used for a purpose or in a manner contrary to the provisions of this chapter.
(C) No lot area shall be so reduced or diminished that the yards or other open spaces shall be smaller than prescribed by this chapter, nor shall the density of population be increased in any manner, except in conformity with the area regulations as hereinafter provided, nor shall the area of any lot be reduced below the minimum requirement herein established.
(2006 Code, § 11.20)