[Ord. No. 5814 §1(31.1), 4-27-2004; Ord. No. 5964 §1(Att. A §31.1), 2-27-2007; Ord. No. 6274 §1, 6-25-2013]
A.
All buildings shall provide off-street parking in accordance with the following requirements:
1.
Dwellings. Single- and two-family, one (1) parking space for each dwelling unit; multiple dwellings, two (2) parking spaces for each dwelling unit.
2.
Rooming or boarding house. One (1) parking space for two (2) sleeping rooms.
3.
Dormitory or fraternity or sorority house. One (1) parking space for each three (3) beds.
4.
Private club or lodge. One (1) parking space for every ten (10) members.
5.
School. For a high school, five (5) spaces per classroom; for all other schools, one (1) space per classroom.
6.
Hospital. One (1) parking space for each four (4) beds.
7.
Sanitarium, nursing home or institutional home. One (1) parking space for each four (4) beds.
8.
Auditoriums, sports arenas, churches or temples, main auditoriums or other places of assembly, except theaters. One (1) parking space for each five (5) seats.
9.
Theaters.
a.
Off-street parking—required. Theaters shall provide one (1) parking space for each four (4) seats.
b.
Off-street parking—exempt. Theaters not exceeding ten thousand (10,000) square feet of floor area in downtown Clayton with the exception of the properties facing the north side of Maryland Avenue west of Forsyth Boulevard to the west City limits.
10.
Community center, library, museum or similar public or semi-public building. One (1) parking space for each three hundred (300) square feet of gross floor area.
11.
Hotel or motel. Three-fourths (¾) of one (1) parking space for each sleeping room or suite. These spaces shall be in addition to the parking spaces that shall be provided for any portion of the hotel that is used for office, business or commercial purposes, including corridor meeting rooms.
12.
Medical office buildings. Buildings in which twenty percent (20%) or more of the gross area is occupied by members of the healing profession, one (1) parking space for each two hundred (200) square feet of the gross area used for this purpose.
13.
Commercial, business, office, service and industrial buildings except for medical office as defined in Subsection (12).
[Ord. No. 6597, 6-11-2019; Ord. No. 6822, 3-28-2023]
a.
Off-street parking — required. Commercial, business, office, service and industrial buildings must provide one (1) parking space for each three hundred (300) square feet of gross floor area within the building or structure. Office buildings in excess of thirty thousand (30,000) square feet not occupying more than forty percent (40%) of the site or office buildings erected in multi-building developments in which not more than forty percent (40%) of the total site is occupied with buildings and office buildings with desired development features approved under the site plan review procedure may provide parking at the rate of one (1) parking space per four hundred (400) square feet of floor area.
b.
Off-street parking — exempt. Retail establishments not exceeding three thousand (3,000) square feet of floor area, excluding permanent storage areas, in downtown Clayton with the exception of the properties facing the north side of Maryland Avenue west of Forsyth Boulevard to the west City limits.
c.
Marijuana dispensary facility shall provide one (1) space per three hundred (300) square feet.
d.
Marijuana testing facility shall provide one (1) space per four hundred (400) square feet.
e.
Marijuana cultivation facility shall provide one (1) space per one thousand (1,000) square feet.
f.
Marijuana-infused products facility shall provide one (1) space per five hundred (500) square feet.
14.
Restaurants.
a.
Off-street parking—required. Restaurants exceeding three thousand (3,000) gross square feet of floor area, excluding permanent storage areas, shall provide three (3) parking spaces for every five (5) seats (0.6) on a pro-rated percentage for all square footage in excess of three thousand (3,000) gross square feet. (Example: 4,000 gross square foot restaurant, excluding permanent storage areas, containing 100 seats: 4,000 sq. ft. - 3,000 sq. ft. = 1,000 sq. ft. or 25%. 100 [seats] x 25% = 25. 25 x 0.6 = 15 parking spaces required).
Restaurants located outside the Central Business District, regardless of gross square footage, must provide off-street employee parking and proof of such parking must be submitted to the City.
b.
Restaurants located in office/mixed use buildings under one hundred fifty thousand (150,000) gross square feet with on-site parking and other restaurants where dedicated parking is available within five hundred (500) feet may expand their floor area in the evenings after 6:00 P.M. and all hours on weekends to take advantage of shared parking. Applicants for this additional space must provide 0.6 parking spaces per seat in the expanded area. A lease for the required parking spaces and a provision/amendment to the conditional use permit must be approved prior to the use of the expanded area.
c.
Off-street parking—exempt. Off-street parking is not required for the following uses:
(1)
Restaurants located in the Central Business District not exceeding three thousand (3,000) square feet of gross floor area, excluding permanent storage areas.
(2)
Cafeterias and kiosks located in office buildings designed to primarily serve the tenants of the building.
(3)
Restaurants located in office buildings or commercial spaces which have one hundred fifty thousand (150,000) gross square feet or more of floor area and which provide parking for such building or space as prescribed by the Zoning Ordinance.
(4)
Restaurants in hotels or motels.
15.
Mixed-use developments. With the approval of the Board of Aldermen after an analysis by a registered professional engineer experienced in traffic and parking studies and where the same parking spaces would be used by different uses at different times of the day, there may be modifications of the parking requirements for the mixed-use development.
16.
Non-conforming buildings. With respect to required parking spaces, non-conforming buildings need not provide additional parking spaces for reoccupancy of the building for a similar or less restrictive use. However, any reoccupancy in which delivery vehicles are utilized on a regular basis shall provide off-street parking spaces for all or a portion of such delivery vehicles to provide sufficient off-street parking for any peak period operation as determined by the Director of Public Works.
17.
Drive-in establishments authorized by conditional use permit with more than one (1) drive-in window or driving lane shall provide a minimum of five (5) stacked parking spaces per window or lane, including the space immediately next to the window. Where only one (1) drive-in window or driving lane is provided, a minimum of ten (10) stacked parking spaces shall be provided.
18.
The number of parking spaces required in conjunction with a conditional use may be modified by the Board of Aldermen if conditions for such conditional use warrant a variance from the above requirements.

