Earlier editions: 2026-09
Title 17 — ZONING›Article III — SITE PLANNING STANDARDS
Ione Municipal Code Ch. 17.40 Parking
Ione Municipal Code · 2026-10 edition · updated 2026-10-04 · Ione
Cite as: Ione Municipal Code Chapter 17.40 · Text as of 2026-10-04
17.40.010 - Purpose.¶
This chapter establishes regulations, which provide for safe, attractive, and convenient off-street parking and loading and to ensure that parking areas are compatible with surrounding land uses.
(Ord. No. 528, 2-15-2022)
17.40.020 - Applicability.¶
No structure shall be constructed, enlarged or increased in capacity, or the use changed or increased in intensity, unless off-street parking spaces for automobiles are permanently provided and maintained for the benefit of residents, employees, customers and visitors, within or outside of buildings or in a combination of both, in accordance with the requirements listed in this chapter.
Off-street parking and loading provisions of this chapter shall apply as follows:
A. New development. For all buildings or structures erected and all uses of land established after the effective date of this title, parking for vehicles and bicycles, and loading facilities shall be provided as required by this chapter.
B. Change in use. When the use of any building, structure, or premises is changed, resulting in an increase of more than ten percent in the required number of off-street parking spaces, additional off-street parking shall be provided consistent with Section 17.40.050 (Number of parking spaces required).
C. Change of occupancy. Where a new business license is required, additional parking spaces shall be provided if the new occupancy would result in an increase of more than ten percent in the required number of off-street parking spaces.
D. Modification to existing structures. Whenever an existing building or structure is modified such that it creates an increase of more than ten percent in the number of off-street parking spaces required, additional off-street parking spaces shall be provided in accordance with the requirements of this chapter.
(Ord. No. 528, 2-15-2022)
17.40.030 - Permit requirements.¶
New parking lots and modifications or expansions to existing parking lots require the following permits:
A. Building permit. New parking lot design and modifications to existing parking lots in conjunction with a substantial change in use to an existing structure shall be reviewed in conjunction with the building permit and any other land use or development permit required for the project.
B. Plan check. Modification or improvements to an existing parking lot that impact the parking space layout, configuration, number of stalls, landscape planters, etc. Shall require plan check certification, as outlined in Section 17.10.020 (Plan check), to authorize the change as consistent with the zoning code.
C. Exempt activities. Parking lot improvements listed below shall be considered minor in nature if they do not alter the number or configuration of parking stalls. Such improvements shall be exempt from plan check.
Repair of any defects in the surface of the parking area, including repairs of holes and cracks;
Resurfacing, slurry coating, and restriping of a parking area with identical delineation of parking spaces;
Repair or replacement in the same location of damaged planters and curbs; and
Work in landscape areas, including sprinkler line repair, replacement of landscape materials, or refurbishment.
(Ord. No. 528, 2-15-2022)
17.40.040 - General parking requirements.¶
The layout of parking spaces, loading berths and parking aisles shall comply with all the following requirements:
A. The required parking spaces, loading berths and parking aisles may not be located on any street right-of-way.
B. Each parking space shall have a minimum size of nine feet by 18 feet when outdoors and shall be free of obstructions such as columns or walls. Each parking space shall be ten feet by 20 feet when indoors or where columns or walls are located within the parking area. Each loading berth shall be a minimum size of 12 feet by 30 feet whether indoors or outdoors.
C. Parking aisles shall have a minimum width of 12 feet when spaces are parallel to the aisle or up to an angle of 40 degrees, 17 feet when spaces are at an angle of between 40 degrees and 70 degrees, and 23 feet when spaces are at an angle between 70 degrees and 90 degrees.
D. Parking spaces and aisles shall have a maximum grade of seven percent.
E. Each parking space and aisle shall have a minimum eight-foot vertical clearance. Each loading berth and access thereto shall have a minimum 15-foot vertical clearance.
F. Each parking space and loading berth shall have vehicular access to the street, without passing over other parking spaces.
G. Neither a required side yard abutting a street, nor a front yard, shall be used for off-street parking, except that for single-family residential uses, parking spaces beyond the minimum requirement (the two garage spaces) may be allowed within required interior side yards.
H. Residential uses. Residential uses shall provide parking in compliance with Table 17.40.050-1 (Parking Requirements by Land Use).
Conversion of a garage for a single-family residence shall be prohibited unless an equivalent space is provided in compliance with the requirements of Table 17.40.050-1 (Parking Requirements by Land Use).
A single-family use that does not conform to the provision of this article shall be brought into compliance at the time additions or alterations are made that cumulatively increase the existing floor area by more than 25 percent, unless waived under Section 17.40.050(D) (Parking Reduction).
(Ord. No. 528, 2-15-2022)
17.40.050 - Number of parking spaces required.¶
A. The following number of parking spaces shall be required to serve the uses or buildings listed, as established in Table 17.40.050-1 (Parking Requirements by Land Use). Multiple uses must provide the sum of the requirements for each individual use. In addition, the following provisions shall apply:
"Square feet" means "gross square feet" and refers to building area unless otherwise specified.
For the purpose of calculating residential parking requirements, dens, studies, or other similar rooms that may be used as bedrooms shall be considered bedrooms.
Where the number of seats is listed to determine required parking, seats shall be construed to be fixed seats. Where fixed seats provided are either benches or bleachers, such seats shall be construed to be not more than 18 linear inches for pews and 24 inches for dining, but in no case shall seating be less than determined as required by the building code.
B. When the calculation of the required number of off-street parking spaces results in a fraction of a space, the total number of spaces shall be rounded to the nearest whole number (< 0.49 round down, > 0.50 round up).
Table 17.40.050-1: Parking Requirements by Land Use
| Land Use Type | Required Parking Spaces |
|---|---|
| Residential Uses | Residential Uses |
| Boarding and Rooming Houses | 1/living or seating unit |
| Dwelling, Single-Family and Two-Family | 2 garage spaces/ |
| Dwelling, Multiple-Family | —See below |
| Studio, one and two bedroom units | 2 spaces/ |
| Three + bedroom units | 2 spaces/ |
| Senior units, studio, one and two bedroom units | 1 space/ |
| Senior units, three+ bedroom units | 2 spaces/ |
| Mobile Home Park | 2 parking spaces/ |
| Recreation, Education, and Public Assembly Uses | |
| Assembly Uses with Fixed Seats | 1 space/4 seats of maximum seating capacity |
| Assembly Uses without Fixed Seats | 1 space/50 s.f. of gross floor area used for dancing or assembly |
| Retail, Service, and Office Uses | Retail, Service, and Office Uses |
| Retail Sales | 1 space/300 s.f. of gross floor area or 1 space/300 s.f. of facility |
| Eating and Drinking Establishments | 1 space/4 seats |
| Offices, Business and Professional | 1 space/300 s.f. of gross floor area |
| Hotels and Lodging Places | 1 space/ |
| Medical Services, Hospitals and Sanitariums | 1 space/1,000 s.f. |
| Automotive and Vehicle Uses | Automotive and Vehicle Uses |
| Auto Sales and Rental | 1 space/500 s.f. of gross floor area or 1 space/500 s.f. of facility |
| Auto Services, Car Washing | 1 space/300 s.f. of gross floor area or 1 space/300 s.f. of facility |
| Industrial, Manufacturing, and Processing Uses | |
| Warehousing, Wholesaling, Research and other Industrial | 1 space/500 s.f. gross floor area |
C. Uses Not Listed. Other uses not specifically listed in this section shall furnish parking as required by the planning commission in determining the off-street parking requirements. The planning commission shall be guided by the requirements in this section generally, and shall determine the minimum number of spaces required to avoid interference with public use of streets and alleys.
D. Parking reduction. Parking spaces provided to meet the requirements of this chapter shall not be reduced in size or number, modified, or eliminated without review by the planning commission under site plan review, as established in Section 17.10.090 (Site plan review).
(Ord. No. 532, 9-19-2023; Ord. No. 528, 2-15-2022)
17.40.060 - Parking requirements for the disabled.¶
A. Number of spaces, design standards. Parking spaces for the disabled shall be provided in compliance with the building code and state and federal law.
B. Reservation of spaces required. The number of disabled accessible parking spaces required by this chapter shall be reserved by the property owner/tenant for use by the disabled throughout the life of the approved land use.
C. Upgrading of markings required. If amendments to state or federal law change standards for the marking, striping, and signing of disabled access parking spaces, disabled accessible spaces shall be upgraded in the time and manner required by state law.
(Ord. No. 528, 2-15-2022)
17.40.070 - Compact car requirements.¶
The following provisions apply to parking provided for all uses or buildings except one-family and two-family dwellings:
A. Up to 20 percent of the required number of parking spaces may be sized for compact cars.
B. Compact car parking spaces shall be at least eight feet in width and 16 feet in length, and shall be clearly marked, "COMPACT CARS ONLY," "COMPACT," or "C"
C. Compact car space shall be distributed throughout the parking lot.
D. Where a section of the parking lot is restricted to compact parking with an angle of 90 degrees, the aisle width may be reduced from the standard 23 feet to 21 feet. Such compact sections should be located so as to minimize the distance from the section to the appropriate building or activity.
(Ord. No. 528, 2-15-2022)
17.40.080 - Parking and driveway design and development standards.¶
A. Surface parking area. All surface parking areas shall have the following improvements:
Each parking space and aisle, except those accessory (i.e., beyond the minimum requirement) to one-family and two-family dwellings, shall be graded, drained and surfaced so as to prevent dust, mud, or standing water, and shall be identified by pavement markings bumper guards, entrance and exit signing, and directional signs, to the satisfaction of the city engineer.
Lighting, giving a ground level illumination of one to five foot-candles, shall be provided in a parking area during the time it is accessible to the public after daylight. Lighting shall be shielded to prevent glare on contiguous residential properties.
Where such parking area abuts a street, it shall be separated by an ornamental fence, wall or compact Eugenia or other evergreen hedge having a height of not less than two feet and maintained at a height of not more than four feet. Such fence, wall, or hedge shall be maintained in good condition.
When the required off-street parking space for nonresidential uses is to be provided on a separate lot from the use or building, the lot shall be no further than 500 feet from the front entrance of the use or building. The parcel is to be under the same ownership as the use or building, or is leased to the effect that the owner or owners of the lot will continue to maintain such parking spaces so long as the use or building is maintained. Proof of such lease arrangement shall be demonstrated to the satisfaction of the planning commission.
In addition to parking spaces, a minimum of one loading berth shall be required, for all commercial and industrial buildings in excess of 5,000 square feet or fraction thereof, plus one additional berth for every additional 20,000 square feet of floor area. Loading berths shall conform to the following standards:
a. Dimensions. Each required loading berth shall be not less than ten feet wide, 35 feet long, and with 14 feet of clear height. Loading zones shall be separate from other required parking and maneuvering areas.
b. Location. Where feasible, loading zones and docks shall be located to the rear of properties. No truck entrance door, loading zone and/or dock serving commercial vehicles shall be permitted to face a residential area within 500 feet.
- Screening. All loading zones and truck parking areas shall be screened from view by a minimum of a six-foot high hedge, vine-covered fence or wall plus landscaping as required by Chapter 17.36 (Fences and Walls).
B. Driveway location standards. Development projects located at intersections shall be accessed as follows:
Driveways to access parcels located at the intersection of two streets shall be gained through driveways from-the lesser street. Determination of which street is lesser shall be made based on total paving width, amount of traffic, adjacent traffic controls and likely destinations along each street in question.
Driveways serving parcels located at the intersection of two streets shall be situated at the maximum practical distance from the intersection.
Where a proposed driveway is located at least 75 feet from the nearest cross street, the provisions of subsections (B)(1) and (B)(2) may be waived.
C. Driveway size and composition. All residential driveways shall be a minimum of 20 feet in length and width and shall be constructed with an impervious surface (i.e., concrete, asphalt, or similar material) and shall be constructed to appropriate standards as determined by the city. Driveways for secondary dwelling units may be a minimum of ten feet in width, subject to approval by the city fire chief. All driveways shall be connected to a street by an asphalt surface extending from the subject parcel's front property line to the paved road surface.
D. Roads and parking for mobile home parks. All internal circulation aisles shall be at least 25 feet from curb to curb and shall be increased in width by ten feet for parking spaces on each side of the street on which such curb parking is permitted, consistent with Chapter 12.08 (Street Construction Standards). All roads and parking spaces shall be permanently paved.
(Ord. No. 528, 2-15-2022)
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