A. Single-family dwellings, multiple-unit dwellings and townhouses;

B. Parks and playgrounds (including park buildings);

C. Accessory buildings, such as are ordinarily appurtenant to multiple-unit dwellings, including, but not limited to, carports and garages;

D. Boardinghouses and lodginghouses;

E. Nursing homes;

F. Retirement residences;

G. Bed and breakfast guesthouse, when accessory to the permanent residence of the operator.