Buildings, for the purpose of this Part 1, shall
be classified in respect to their occupancies as follows:
A. One- and-two family dwellings.
(1) Buildings containing one or two dwelling units with
less than four lodgers residing with a family in either one of such
dwelling units.
B. Multiple residences.
(1) Buildings containing one or two dwelling units with
more than four lodgers with a family in either one of such dwelling
units.
(2) Buildings containing three or more dwelling units.
(3) Apartment houses and apartment hotels.
(5) Buildings with sleeping accommodations for more than
five persons used or occupied as a club, dormitory, fraternity or
sorority house or for similar uses; garden apartments.
C. Accessory structures. Garages, carports and similar
type structures on residential premises.