The regulations set forth by this ordinance within each district shall be minimum regulations and shall apply uniformly to each class or kind of structure of land, and particularly except as hereinafter provided.
A. No building, structure or land shall hereafter be used or occupied and no building or structure or part thereof shall hereafter be erected, constructed, reconstructed, moved, or structurally altered except in conformity with all of the regulations herein specified for the district in which it is located.
B. No building or other structure shall hereafter be erected or altered:
1. to exceed the bulk;
2 to accommodate or house a greater number of families;
3. to occupy a greater percentage of lot area;
4. to have narrower or smaller rear yards, front yards, side yards or other open space than herein required; or in any other manner contrary to the provisions of this ordinance.
C. No yard or lot existing at the time of passage of this ordinance shall be reduced in dimension or area below the minimum requirements set forth herein. Yards or lots created after the effective date of this ordinance shall meet at least the minimum requirements