Not more than four apartments shall be located on any floor of any building.

Each apartment shall be self-contained to the extent of having its own kitchen and bathroom facilities and shall have its own private entry, either to the outside of the building or to a common entry.

Cooking facilities, bathrooms and water closet compartments shall be adequately ventilated, in accordance with the applicable codes.

One off-street parking space shall be provided for each apartment. Said parking shall be located within a walking distance of 300 feet of the property on which the building is located.

All apartments shall be subject to the requirements of any applicable state or local health, housing, fire, building and safety codes.