Only about two or five percent of the total developed area of an
average city is devoted to commercial uses. This amount is divided
among the central business district, neighborhood shopping centers and
other districts scattered throughout the city.
Customarily, there have always been a certain number of mixed
uses in commercial districts. Residences are ordinarily permitted,
although they are required to meet the same yard, height, and use
provisions as a residence in a residential district. Some ordinances
prohibit residences in business districts.
2. Commercial District