No building or land shall hereafter be used or occupied and no building or part thereof shall be erected, moved, or altered unless in conformity with the regulations herein specified for the district in which it is located.
No building shall hereafter be altered to:
A. 
Exceed the height;
B. 
Accommodate or house a greater number of families;
C. 
Occupy a greater percentage of lot area; or
D. 
Have narrower or smaller rear yard, front yard, side yards, inner or outer court than is specified herein for the district in which such building is located.
No part of a yard or other open space about any building required for the purpose of complying with the provisions of this chapter shall be included as a part of a yard or other open space similarly required for another space similarly required for another building.