(A) Except as hereinafter provided:
(1) No building shall be erected and no existing building shall be moved, altered, added to, or enlarged nor shall any land or building be used, designed, or intended to be used for any purpose or in any manner other than is included among the uses hereinafter listed as permitted in the district in which such building or land is located, provided that any building may be moved off any lot;
(2) No building shall be erected to exceed in height the limit hereinafter designated for the district in which such building is located, whether such height be designated in number of stories, number of feet, or otherwise;
(3) No building shall be erected, nor shall any open space surrounding any building or otherwise required by this chapter be encroached upon or reduced in any manner, except in conformity to the yard, lot area, open space, building location, and off-street parking regulations hereinafter designated for the district in which such building or open space is located; and
(4) No yard or other open space on one lot shall be considered as providing a yard for open space for a building on any other lot.
(B) No lot shall be further divided to contain more dwellings than are permitted by the regulations of the district the lot is located in.
(C) No space needed to meet the width, yard, area, coverage, parking, or other requirements of this chapter for a lot or a building may be sold or leased away from such lot or building.
(D) No parcel of land which has less than the minimum width and area requirements for the zone in which it is located may be cut off from a larger parcel of land for the purpose, whether immediate or future, of building or development as a lot.
(Zoning Code, Art. II Part II)