City of Clayton, MO
St. Louis County
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Table of Contents
Table of Contents
[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).
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. 
Medical marijuana dispensary facility shall provide one (1) space per three hundred (300) square feet.
[Ord. No. 6597, 6-11-2019]
d. 
Medical marijuana testing facility shall provide one (1) space per four hundred (400) square feet.
[Ord. No. 6597, 6-11-2019]
e. 
Medical marijuana cultivation facility shall provide one (1) space per one thousand (1,000) square feet.
[Ord. No. 6597, 6-11-2019]
f. 
Medical marijuana-infused products facility shall provide one (1) space per five hundred (500) square feet.
[Ord. No. 6597, 6-11-2019]
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.
[Ord. No. 5814 §1(31.2), 4-27-2004]
A. 
In computing the number of parking spaces required under Section 405.3620, the following rules shall govern:
1. 
Where fractional spaces result, the parking spaces required shall be the nearest whole number.
2. 
In the case of mixed uses, the parking spaces required shall equal the sum of the requirements of the various uses computed separately.
3. 
Whenever a building or use constructed or established after April 14, 1959, is changed or enlarged in floor area, number of employees, number of dwelling units, seating capacity or otherwise, parking spaces shall be provided on the basis of the enlargement or change. Whenever a building or use existing prior to April 14, 1959, is reconstructed or is enlarged to the extent of twenty percent (20%) or more in floor area, said building or use in its entirety shall then and thereafter comply with the parking requirements set forth herein. Any enlargement or change in use of less than twenty percent (20%) of the gross floor area shall be provided with parking based on the enlargement or change.
[Ord. No. 5814 §1(31.3), 4-27-2004]
A. 
Required parking spaces shall be located:
1. 
For residential buildings on the same lot with the building or use served.
2. 
For any other building or use on an area within five hundred (500) feet walking distance of said building. Two (2) or more owners of buildings may join together in providing the required parking spaces. Where the required parking spaces are not located on the same lot with the building or use served, the usage of the lot or tract upon which said parking spaces are provided shall be restricted by an instrument of record describing the premises for which said parking is provided and assuring the retention of such parking so long as required by this Chapter.
[Ord. No. 5814 §1(31.4), 4-27-2004]
A. 
Each required parking space shall be provided satisfactory egress to a street or alley by a surfaced driveway. The width of such driveways and arrangements of parking spaces shall be approved by the Director of Public Works. The Director of Public Works may permit a six (6) inch reduction in the required width of each full size parking space if the design is such that satisfactory egress is provided.
B. 
The Director of Public Works shall have the authority to permit a portion of the required spaces to be designed for subcompact cars when previous parking surveys and studies of typical buildings conducted in the City justify the inclusion of such subcompact spaces. All parking lots and structures shall conform to the standards of improvement and maintenance of Chapter 500 of the Municipal Code.
[Ord. No. 5814 §1(31.5), 4-27-2004]
A. 
Every building or part thereof erected or occupied for office purposes, retail business, service, hotel or any other use similarly involving the receipt or distribution by vehicles of materials or merchandise shall provide and maintain, on the same premises, loading space in accordance with the following requirements:
1. 
In the "C-1", "C-2", "HDC" Commercial Districts and the "S-1" Service District, except office buildings and hotels, one (1) loading space for the first ten thousand (10,000) square feet of floor area or fraction thereof and one (1) additional loading space for the next fifteen thousand (15,000) square feet of floor area or fraction thereof and one (1) additional loading space for each forty thousand (40,000) square feet or fraction thereof of floor area in excess of twenty-five thousand (25,000) square feet.
2. 
Office buildings and portions thereof hereafter erected in all permitted zoning districts shall be provided with one (1) loading space for the first ten thousand (10,000) square feet of floor area and one (1) loading space for each additional fifty thousand (50,000) square feet of floor area or fraction thereof to a maximum of five (5) loading spaces, provided that the Director of Public Works shall have the authority to permit a portion of the required spaces to be reduced in size to accommodate smaller vehicles if the proposed use of the building is such that deliveries will be made by such vehicles.
For office buildings under thirty thousand (30,000) square feet, the Director of Public Works may permit all the required loading spaces to be reduced in size for smaller delivery vehicles if the proposed occupancy warrants such reduction.
No required loading space shall be occupied by a trash container or disposal unit and such loading space shall be used for loading and unloading purposes only.
3. 
Hotels and portions thereof hereafter erected in all permitted zoning districts shall be provided with two (2) loading spaces for the first one hundred (100) rooms and one (1) loading space for each additional one hundred (100) rooms or fraction thereof to a maximum of four (4) loading spaces, provided that the Director of Public Works shall have the authority to permit a portion of the required spaces to be reduced in size to accommodate smaller vehicles if the proposed use of the building is such that deliveries will be made by such vehicles.
[Ord. No. 6349 §1, 12-9-2014]
A. 
Applicability.
1. 
The provisions of this Article shall apply to developments which require at least one (1) of the following City approvals:
a. 
Site plan review pursuant to Section 405.1000.
b. 
A new conditional use permit pursuant to Article VII or an amendment to an existing conditional use permit pursuant to Section 405.850.
c. 
Architectural review pursuant to Article III.
d. 
A building permit when associated with a change in use, increased floor area, number of employees, number of dwelling units, seating capacity, or site changes.
2. 
Exceptions:
a. 
Residential buildings with one (1) to three (3) dwelling units or with private garages for each unit.
B. 
Bicycle Parking Requirements.
1. 
All developments requiring City approvals specified in Section 405.3670(A)(1) shall provide bicycle parking in accordance with the following requirements. Unless otherwise stated, each building and/or use must provide at least one (1) bicycle rack. Independently operated parking structures and parking lots (as opposed to those providing parking dedicated to nearby non-parking uses) must provide at least three (3) bicycle racks.
Use
Bicycle Racks Required
Multifamily
1 per 20 dwelling units
General retail
1 per 5,000 square feet
Restaurant/grocery
1 per 3,000 square feet
Office
1 per 20,000 square feet
Parking structure or lot (operating independently)
1 per 40 parking spaces provided
Other
1 per 20 required parking spaces
C. 
Rules For Computing Number Of Required Bicycle Racks.
1. 
In computing the number of bicycle racks required under Section 405.3670(B)(1), the following rules shall govern:
a. 
Where fractional numbers result, the number of required bicycle racks shall be the nearest whole number.
b. 
In the case of mixed uses, the required number of bicycle racks shall equal the sum of the requirements of the various uses computed separately.
c. 
Whenever a building or use constructed or established prior to December 9, 2014, which requires one (1) of the approvals listed in Subsection A above, is changed or enlarged in floor area, number of employees, number of dwelling units, seating capacity or otherwise, bicycle parking shall be provided on the basis of the enlargement or change.
D. 
Bicycle Rack Location.
1. 
Required bicycle racks shall be located:
a. 
Outside the building served in a highly visible, active, well-illuminated area.
b. 
Within fifty (50) feet of a main building entrance.
c. 
On private property unless otherwise approved by the Department of Public Works.
2. 
If bicycle racks are not visible from the abutting street or the public building entrance signs must be posted indicating their location. All signs must conform to the requirements of Chapter 425, Sign Regulations.
3. 
Bicycle racks located within a parking structure or parking lot shall be clustered, clearly marked, and separated from motor vehicles by a physical barrier.
4. 
Bicycle racks located within parking structures must be located on the ground level or level closest to the primary pedestrian entrance. Bicycle racks may also be located in a secured room or cage.
E. 
Bicycle Rack Design.
1. 
Inverted-U-type, A-type, and post-and-loop-type bicycle racks are permitted. Creative styles are subject to approval by the Director of Planning or her/his designee.
Illustrations of permitted bicycle racks. From left: Inverted U-type, A-type, Post-and-loop type
Figure 1: Illustrations of Permitted Bicycle Racks
2. 
Bicycle racks shall be made of solid construction, resistant to rust, corrosion, hammers, and saws.
3. 
Each bicycle rack shall support a parked bicycle by the frame in two (2) places, allowing both the frame and one (1) or both wheels to be secured using a standard U-lock.
4. 
Each bicycle rack shall provide parking for two (2) bicycles.
5. 
Each bicycle rack shall be anchored to an approved hard surface (i.e., asphalt, concrete, pavers, or similar material). The hard surface surrounding each bicycle rack shall measure at least six (6) feet by six (6) feet in size.
6. 
If more than ten (10) bicycle racks are provided, at least half of the racks shall be covered by a roof or overhang.
F. 
Bicycle Rack Spacing.
1. 
Bicycle racks shall be located at least three (3) feet in all directions from any obstruction, including but not limited to other bicycle racks, walls, doors, posts, columns, or landscaping.
2. 
If provided, aisles between rows of bicycle racks must be a minimum of four (4) feet wide, as measured from tip to tip of bike tires across the space between racks.
Figure 2: Bicycle Rack Spacing Diagram
G. 
Reduction In Required Automobile Parking.
1. 
The total number of required automobile parking spaces pursuant to Section 405.3620, Off-Street Parking Requirements, shall be reduced at the ratio of one (1) automobile off-street parking space for one (1) bicycle rack. The total number of required automobile off-street parking spaces shall not be reduced by more than ten percent (10%) for any project.
H. 
Alternative Compliance.
1. 
Upon written request by the applicant, the Director of Planning or her/his designee may approve alternative compliance from the provisions of this Section, which may include, but need not be limited to, a reduction or deviation in the number, type, or location of the required bicycle racks, and may include a waiver of the requirement. Considerations used in the determination to grant or deny alternative compliance may include, but are not limited to, existing site constraints, proximity to existing bicycle parking, and the nature of the proposed building or use.