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Petersburg City Zoning Code

ARTICLE 19

- OFF-STREET PARKING REGULATIONS

Section 1. - Off-street parking requirements.

Except as otherwise provided in this ordinance, all structures and land uses constructed, enlarged, erected or extended shall provide off-street parking spaces in accordance with the provisions of this article.

(Ord. No. 89-88, 9-5-1989)

Section 2. - Location of off-street parking.

Location of off-street parking facilities shall be provided on the same lot with the structure or land use served; except that where an increase in the number of spaces is required by a change or enlargement of use, or where such spaces are provided collectively or used jointly by two (2) or more buildings or establishments, the required spaces may be located and maintained in areas within two hundred (200) feet of the building served.

In any case where the required parking spaces are not located on the same lot with the building or use served, or where such spaces are collectively or jointly provided and used, a written agreement thereby assuring their retention for such purposes shall be properly drawn and executed by the parties concerned, approved as to form by the city attorney, and shall be filed with the application for a building permit.

(Ord. No. 89-88, 9-5-1989)

Section 3. - Design standards.

All off-street parking lots shall be surfaced with asphalt, concrete or other impermeable surface to protect against potholes, erosion and dust unless an alternative surface is allowed by the city engineer to control stormwater runoff. All parking lots shall be bordered by a curb of asphalt, concrete or other material acceptable to the city engineer. Entrances and exits for all parking facilities shall comply with existing ordinances of the city.

(Ord. No. 89-88, 9-5-1989)

Section 4. - General.

(1)

All parking lots, regardless of the number of spaces, must have individual spaces marked. Such spaces shall be laid out on the parking surface with paint or plastic stripping which shall provide a permanent delineations between spaces. Spaces should be arranged so that any maneuvering directly incidental to entering or leaving a parking space shall not be on any public street, alley or walkway.

(2)

The parking requirements in this article do not limit requirements which may be imposed with special uses (article 23) or special use exception (article 27).

(3)

The parking requirements in this article apply to all districts except the B-3, Central Commercial District, where no special requirements are imposed.

(4)

The parking requirements in this article do not limit other requirements in this ordinance for parking contained in district regulations, particularly in the B-1, Shopping Center District, where special requirements may be imposed.

(5)

Where fractional spaces result, the parking spaces required shall be construed to be the next highest whole number.

(6)

In the case of mixed uses, uses with different parking requirements occupying the same building or premises or in the case of joint use of a building or a premises by more than one use having the same parking requirements, the parking spaces required shall equal the sum of the requirements of the various uses computed separately.

(7)

Whenever a building or use constructed after the date of this ordinance is changed or enlarged in floor area, number of employees, number of dwelling units, seating capacity or otherwise to create a need for an increase of ten (10) percent or more in the number of existing parking spaces, such spaces shall be provided on the basis of the enlargement or change.

(8)

Off-street parking areas and off-street loading space appurtenant to any use permitted in residential districts shall be provided on the same parcel of land occupied by the use to which the area or space is appurtenant. No person shall park any motor vehicle, vehicle, trailer, or semitrailer on the front or side yard of any lot, improved with a single-family or two-family dwelling, zoned for residential use, except on a lawfully paved surface. For this purpose, the front yard of corner lots shall be the lot area before the architectural front of the single-family or two-family dwelling and between the side lot lines. Except in the RMH, Residential Mobile Home District; R-4, Multiple Dwelling District; R-5, Multiple Dwelling District; R-6, High Rise District; and the RIH, Residential Town House, no such paved surface shall exceed 35% (thirty-five percent) of the size of the front yard of the lot. No such paved surface shall be located closer than three feet from any side or rear lot line.

(9)

Residential parking requirements for single-family, duplexes, triplexes, quadplexes, and townhomes, must be accommodated in the form of a driveway that meets the minimum parking space requirements and design standards of this article.

(Ord. No. 89-88, 9-5-1989; Ord. No. 03-72, 10-28-2003; Ord. No. 24-7, 3-19-2024)

Section 5. - Parking space requirements.

Each individual space must total one hundred eighty (180) square feet using either 9' × 20' or 10' × 18' dimensions. Compact car spaces may account for up to twenty (20) percent of the total available spaces and shall be so marked. Compact car spaces shall have a minimum size of 7½' × 15'. Handicapped parking spaces shall conform to a minimum size of 13' × 19' and must be marked so. Any lot having at least ten (10) spaces must have one (1) handicapped space. Additional handicapped spaces will be determined using the ratio of one (1) handicapped space per fifty (50) spaces in the lot.

(Ord. No. 89-88, 9-5-1989; Ord. No. 13-25, 4-16-2013)

Section 6. - Minimum parking spaces.

The following uses shall comply with the minimum parking requirements designated therefor:

(1)

Animal hospitals, veterinary clinics, kennels, animal pounds and shelters: At least one (1) space per three hundred (300) square feet of floor area.

(2)

Auto sales and services to include new and used car dealers: One (1) space per three hundred (300) square feet for the first one thousand five hundred (1,500) square feet of floor area and four hundred (400) square feet in excess thereof.

(3)

Automobile service stations: One (1) space per everyone hundred twenty-five (125) square feet of gross floor area.

(4)

Banks, credit unions, savings and loans and other financial institutions: Eight (8) spaces for first one thousand (1,000) square feet of floor area plus one (1) space per every one hundred fifty (150) square feet of additional floor area.

(5)

Bowling alleys: Five (5) spaces for each alley.

(6)

Child-care centers and child-care education centers: One (1) space per every three hundred (300) square feet of gross floor space.

(7)

Convenience stores or quick-service food stores: One (1) space per everyone hundred twenty-five (125) square feet of gross floor area

(8)

Institutions and libraries, museums and art galleries: Not less than ten (10) spaces and one (1) additional space for every three hundred (300) square feet of gross floor space except as listed below:

(a)

Convalescent homes or nursing homes: One (1) space for every six (6) beds plus one (1) space per each employee, including staff doctors.

(b)

Churches or civic associations or assembly rooms: One (1) space for every eight (8) seats.

(c)

Homes for the aged, disabled and handicapped: One (1) space per every three patient beds plus one (1) space per each staff doctor, employee or doctor on main shift.

(d)

Hospitals: One (1) space for every two (2) beds and one (1) space per every two (2) employees.

(e)

Theaters: One (1) space for every four (4) fixed seats.

(f)

Primary and secondary schools: One (1) space per classroom or one (1) space per every ten (10) seats in auditorium, whichever is greater.

(g)

High school, college or vocational: One (1) space per eight (8) seats in auditorium or three (3) per classroom, whichever is greater.

(9)

Fast-food restaurants: One (1) space per one hundred (100) square feet of floor area plus five (5) stacking spaces per drive-thru window;

(10)

Hotels: One (1) space per each guestroom plus one employee space for every ten (10) guestrooms plus spaces for eating and assembly rooms as required for those uses in this ordinance.

(11)

Medical, optical and dental offices and clinics: One (1) space for each doctor and employee and three (3) spaces for each examining room and dentist's chair.

(12)

Mortuaries and funeral homes: One (1) space per every seventy-five (75) square feet of gross floor area plus one (1) space per each employee working on main shift.

(13)

Motels: One space per each guestroom plus one employee space per every ten guestrooms plus spaces for eating and assembly rooms as required for those uses in this ordinance.

(14)

Nightclubs, bars and taverns: One space per one hundred (100) square feet of floor area.

(15)

Personal services, including beauty and barbershops, accountant and tax services, attorney offices and any other comparable services that cannot be classified as retail, with medical, dental or optical offices and clinics excluded: Two spaces for each chair (barber or beauty shop) or one space for every 300 square feet of floor space for the first 1,500 square feet and one per 400 square feet in excess thereof.

(16)

Private clubs, social centers, athletic clubs and commercial recreation facilities other than bowling alleys: One space per every 200 square feet of gross floor area.

(17)

Retail establishments, repair, plumbing and heating establishments and service establishments, excluding personal services defined hereinabove: One space for every 300 square feet.

(18)

Residential:

(a)

Single-family: Two spaces per dwelling unit;

(b)

Townhouse: Two spaces per dwelling unit;

(c)

Multifamily (including two-family dwelling(s): One space per each one-bedroom unit; two spaces per every two- or more bedroom dwelling units;

(d)

Multifamily elderly: One space for every two dwelling units;

(e)

Boarding: One space for each rental room and two spaces for principal dwelling.

(19)

Restaurants except fast-food restaurants but including those accessory to hotels and motels: One space per 100 square feet of gross floor area.

(20)

Manufacturing and industrial plants, including processing, packaging, fabricating, research or testing labs, warehousing, printing or publishing: At least one space per employee or maximum working shift.

(Ord. No. 89-88, 9-5-1989; Ord. No. 13-25, 4-16-2013)

Section 7. - Similar uses.

For any use not specifically listed herein, the requirements of the most similar listed use shall apply unless otherwise specified.

(Ord. No. 89-88, 9-5-1989)

Section 8. - Buffers required.

(a)

Buffer required where adjoining property is residential. Where a side or rear lot line abuts property used or zoned for residential purposes, there shall be installed and maintained a continuous evergreen vegetative screen or opaque structural fence not less than six feet in height planted or erected along such lot line.

(b)

Buffers required along streets. Buffers are required for new parking areas.

(Ord. No. 89-88, 9-5-1989; Ord. No. 13-25, 4-16-2013)

Section 9. - Off-street shared parking requirements in B-2, B-3, and PUD districts.

Shared parking. In the B-2, B-3 and PUD districts, fifty percent of the number of off-street parking spaces required under section 6 of article 19 for dwelling units may be supplied by shared off-street parking spaces located on private property provided for non-dwelling uses that are not routinely open, used or operated between the hours of 6:00 p.m., and before 7:30 a.m. on any day. Notwithstanding the provisions of article 19, section 2, the required spaces for dwelling units may be located onsite or off-site, but if located off-site, in no event a distance greater than 500 feet measured from the end of the building closest to the off-site parcel to the individual parking space located on an off-site parcel supplying the required spaces. If a portion of an individual parking space is within the 500 feet distance, such parking space may be included as an off-site parking space for purposes of this section. In any case where the required off-street parking spaces are supplied by shared off-street parking spaces pursuant to this section, a written agreement shall be properly drawn and executed by the parties concerned, approved as to form by the city attorney, and shall be filed with the application for a building permit.

(Ord. No. 11-80, 7-19-2011)

Section 10. - Trees in parking lots.

This section requires a minimum tree cover in parking lots and applies to all new development and redevelopment projects. Parking lots without existing canopy must install tree islands and medians as part of installation of new parking lots. Nothing in this section supersedes requirements in Article 19 of the City's Code. Trees prolong parking lot surfaces as shaded asphalt lasts longer and shaded lots are more attractive to shoppers, businesses and residents.

(a)

Tree islands. Tree islands allow for canopy trees to grow in parking areas for the purpose of providing shade, reducing heat islands, and promoting plant diversity. It is the intent of these standards that upon maturity, trees planted in tree islands provide a minimum canopy coverage of fifty (50) percent. These standards apply to all new development as well as redevelopment of existing paved lots or in the case of zoning changes or special use permits.

Applicability. Tree islands are required in all off-street parking areas. This section does not apply to street trees or trees in public rights-of-way.

Requirements:

a)

One tree island is required for every eight (8) or fewer parking spaces. Tree islands are required at the end of every parking aisle to separate the last space from adjacent travel lanes. In an effort to save and protect existing trees and provide context-based flexibility in the design of the site, both the location of tree islands and ratio of parking spaces to tree islands may be modified so long as no more than twelve (12) spaces are located in a continuous row without being interrupted by a tree island between spaces; or perpendicular to such spaces. and the site continues to average one (1) tree island per eight (8) parking spaces.

b)

A median running the length of the entire row of parking spaces may be substituted for a tree island(s). A continuous median of trees tends to be more successful in supporting robust tree growth.

c)

Minimum island size is 180 square feet and any groundcover plantings shall be set back 6 feet from the trunk of each tree, unless used for bioretention.

d)

Tree islands are encouraged to be designed as rain gardens or vegetated bioswales. Such features may be combined as a component of a stormwater management plan and shall be appropriately planted using trees, shrubs, and herbaceous plant materials.

e)

Only trees approved for parking lot islands from the City Tree List may be planted in parking lots.

(b)

Landscape medians. Landscape medians separate parking aisles on the interior portion of parking lots. Landscape medians are required for all parking lots that have more than one parking aisle.

Requirements:

a)

Minimum size is at least eight (8) feet wide and at least three (3) feet deep.

b)

Shrubs and/or trees shall be installed in the median to provide for semi-continuous planting along the median. Shrubs shall be at least one (1) foot in height at installation and reasonably projected to grow at least two feet in height within three years.

c)

In off-street surface parking areas with one hundred twenty (120) or more spaces, an alternative configuration of landscape medians allows for an 11-foot-wide landscape median with a minimum five-foot-wide pedestrian walkway running the length of the median to be used between every other parking aisle in lieu of the required eight-foot-wide median per every parking aisle. Walkways added must connect to access to commercial areas, building entrances or other access points.

d)

Landscape medians shall be protected from vehicle damage by the installation of curbing, wheel stops, or other comparable methods.

e)

Landscape medians are encouraged to be designed as linear rain gardens or vegetated bioswales. Such features may be combined as a component of a greater stormwater management plan and shall be appropriately planted using native trees, shrubs, groundcover, grasses and other materials.

f)

Only trees approved for parking lot islands from the City Tree List may be planted in parking lots.

(c)

Parking lot perimeter landscaping strips. Parking lot perimeter strips serve the purpose of screening parking lots from thoroughfares and maintaining pedestrian vitality along commercial and mixed-use corridors designed for pedestrian traffic.

Parking lot perimeter landscape strips are required between all off-street parking areas and public or private thoroughfares. Parking lot perimeter landscape strips are also required to buffer adjoining parking lots where no cross access is provided.

Parking lot perimeter landscape strips are required between parking lots and pedestrian friendly internal thoroughfares and frontage roads within residential, mixed-use, planned, and commercial districts.

Requirements:

Width and Length

a)

With only landscaping: ten (10) feet.

b)

With fences or wall: five (5) feet.

c)

Length shall be a minimum of eight (8) feet.

Planting and Screening Requirements

d)

Where no fences or walls are used, evergreen shrubs shall be used to form the continuous visual screen in the perimeter landscaping strip. Shrubs shall be maintained at a minimum height of three (3) feet and set back internally at least one foot from the curb edge.

e)

In order to assure visibility and safety of pedestrians on the public street and within the parking area and maintain a pedestrian-scaled streetscape; shrubs, fences and walls may be no greater than a height of four (4) feet.

f)

Parking lot perimeter strips shall comply with all city, state, and federal highway sight distance standards.

g)

Where fences or walls are utilized, they shall meet the standards within this ordinance and shall incorporate groundcover, low-lying shrubs, ornamental grasses, noninvasive vines.

(Ord. No. 2025-056, Exh. A, 9-16-2025)