Any of the following buildings hereafter erected and any building hereafter converted into one of the following buildings and any open area hereafter used for commercial purposes shall be provided with not less than minimum parking spaces as set forth below, which spaces shall be readily accessible to, and within a reasonable distance from, the building served thereby. Such spaces shall be on the same lot as the principal building or open area, except when otherwise authorized by the Board of Adjustment, conforming to the following regulations:
A. The required parking spaces shall be situated within 600 feet of the principal building or open area in question.
B. Legal assurance acceptable to the Board of Adjustment shall be provided by the applicant that the required number of parking spaces will be continuously available.
C. Off-street parking shall be provided as follows:
(1) Dwellings. Two parking spaces for each dwelling unit.
(2) Apartment houses and apartment hotels. The total number of parking or garage spaces shall be not less than 1 1/2 times the number of apartments in the building. A garage accessory to an apartment house or apartment hotel shall provide only for the storage of vehicles of the owner, tenants and employees. No parking space shall be provided nor parking permitted in front yard areas of apartment houses and apartment hotels.
(3) Rooming houses, hotels, motels and tourist homes. At least one parking space for each guest room. If a restaurant in connection with the above is open to the public, the off-street parking facilities shall be not less than those required for restaurants, in addition to those required for guest rooms.
(4) Theaters, auditoriums, churches, schools, stadiums or any other place of public or private assembly. At least one parking space for each four seats provided for public or private assembly.
(5) Retail stores. At least one parking space for each 100 square feet of gross floor area, exclusive of areas not used for sale or display of merchandise.
(6) Restaurants and bars. At least one parking space for each 50 square feet of gross floor area.
(7) Office building. At least one parking space for each 200 square feet of floor area, or fraction thereof.
(8) Industrial or wholesale establishments. At least one parking space for each two employees per shift.
(9) Public garages or automobile service stations. At least one parking space for each 400 square feet of floor or ground area, or fraction thereof, devoted to repair or service facilities, which shall be in addition to the space allocated for the normal storage of motor vehicles.
(10) Hospitals and sanitariums. At least one parking space for each three patients for which accommodations are provided. Such spaces shall be in addition to those necessary for doctors and other administrative personnel.
(11) Open areas used for commercial purposes. At least one parking space for each 1,500 square feet of area, or fraction thereof.
(12) Dance halls, roller rinks, clubs, lodges and other similar places. At least one parking space for each 100 square feet of floor area.
(13) Mortuaries, funeral homes and undertaking establishments. At least one parking space for each 100 square feet of floor area for public use. Such space shall be in addition to:
(b) A service area for mobile equipment, such as hearses and ambulances.
(14) Swimming pools, public. At least one parking space for each four persons for which locker facilities are provided, or one space for each 25 square feet of water surface, whichever requires the greater number of parking spaces.
(15) In addition to the above minimum requirements, additional space for visitor parking and salesmen shall be provided according to the specific requirements of each use.
(16) No part of the public right-of-way of any street or road shall be used in computing the required area for parking.