A building may be erected, altered or used and
a lot or premises may be used for any of the following purposes and
no other:
A.
Office building or offices for administrative, executive,
professional or similar organizations having limited contact with
the general public, provided that no merchandise is kept or stored
on the premises for purpose of sale thereof.
B.
One single-family residence in rear of or on second
floor over a commercial establishment.
D.
Customary accessory uses associated with the foregoing.
