Arizona handicap parking requirements come from two places at once: the federal 2010 ADA Standards for Accessible Design and Arizona Revised Statutes Title 28. A parking lot in Arizona needs a minimum number of accessible spaces based on the lot’s total size, each space must sit next to a striped access aisle of the correct width, and each one must be marked with a sign showing the International Symbol of Accessibility mounted between 5 and 6 feet above the ground. Where the two rule sets overlap, the stricter number wins.
How Many Accessible Spaces Your Lot Needs
The ADA sets the minimum count by lot size:1ADA.gov. ADA Compliance Brief – Restriping Parking Spaces
- 1–25 total spaces: 1 accessible space
- 26–50: 2
- 51–75: 3
- 76–100: 4
- 101–150: 5
- 151–200: 6
- 201–300: 7
- 301–400: 8
- 401–500: 9
- 501–1,000: 2 percent of the total
- 1,001 and over: 20 spaces plus 1 for every 100 (or fraction of 100) beyond 1,000
At least one in every six accessible spaces, or fraction of six, must be van-accessible. If a lot only needs one accessible space total, that single space has to be the van-accessible type.2United States Access Board. Guide to the ADA Accessibility Standards – Chapter 5 Parking Spaces
Higher Ratios at Medical Facilities
Hospital outpatient facilities must designate 10 percent of patient and visitor spaces as accessible. Rehabilitation facilities and outpatient physical therapy facilities must designate 20 percent. The one-in-six van-accessible ratio still applies on top of those elevated totals.3ADA.gov. Accessible Parking Spaces
Space and Access Aisle Dimensions
Every accessible parking space needs an adjacent access aisle, a striped buffer that gives room for wheelchairs, walkers, and vehicle lifts.
A standard car-accessible space must be at least 96 inches (8 feet) wide, with an access aisle at least 60 inches (5 feet) wide.4ADA.gov. 2010 ADA Standards for Accessible Design Van-accessible spaces follow one of two configurations:3ADA.gov. Accessible Parking Spaces
- A 132-inch (11-foot) space with a 60-inch (5-foot) access aisle, or
- A 96-inch (8-foot) space with a 96-inch (8-foot) access aisle
Two adjacent spaces can share one access aisle between them. The aisle must run the full length of the space, sit level with it, and have no slope steeper than 1:48 (roughly 2 percent) in any direction. The space itself has the same slope limit. Access aisles cannot overlap vehicular travel lanes.4ADA.gov. 2010 ADA Standards for Accessible Design
Vertical Clearance in Garages
Van-accessible spaces inside a parking garage or covered structure need at least 98 inches of vertical clearance. That clearance applies to the space, the access aisle, and the entire vehicular route a van uses to get from the entrance to the space and back out. A low-clearance garage that overlooks this requirement effectively locks out the users its van spaces were built for.3ADA.gov. Accessible Parking Spaces
Signage: Where Federal and Arizona Rules Meet
Federal rules require a vertical sign at each accessible space displaying the International Symbol of Accessibility, with the bottom edge at least 60 inches above the ground. Van-accessible spaces need a second sign below reading “Van Accessible.”1ADA.gov. ADA Compliance Brief – Restriping Parking Spaces
Arizona adds its own layer. Under ARS 28-882, each accessible space must be prominently outlined with paint and posted with a permanent sign placed between 3 and 6 feet above grade, bearing the ISA and the caption “reserved parking.”5Arizona Legislature. Arizona Revised Statutes 28-882 – Parking Spaces for Persons With Physical Disabilities Because the federal floor is 5 feet and the Arizona ceiling is 6 feet, the only range that satisfies both is 5 to 6 feet above grade.
One narrow exception: a facility with four or fewer total parking spaces does not have to post a sign reserving the accessible space exclusively for people with disabilities. The space, aisle, and dimension rules still apply.2United States Access Board. Guide to the ADA Accessibility Standards – Chapter 5 Parking Spaces
Access aisles should be marked to discourage parking in them, usually with diagonal or cross-hatched striping. Many lots also paint the ISA directly on the pavement, though the vertical sign is the primary legal requirement.
Location and Accessible Route
Accessible spaces must sit on the shortest accessible route to the building’s accessible entrance. An accessible route is a continuous path free of steps, abrupt level changes, and obstructions. When a building has more than one accessible entrance, the required spaces should be dispersed among them rather than clustered at a single entrance, unless clustering genuinely gives the shortest route for every entrance served.2United States Access Board. Guide to the ADA Accessibility Standards – Chapter 5 Parking Spaces
The route from the aisle to the entrance should not force anyone to travel behind parked vehicles, since wheelchair users sit below the sightline of backing drivers. Where elevation changes exist, ramps or elevators have to bridge them.
Who Qualifies for an Arizona Placard
Arizona issues permanent and temporary disability parking placards through the Motor Vehicle Division. Under ARS 28-2409, a person qualifies if a physician, registered nurse practitioner, physical therapist, or hospital administrator certifies that the person meets any of these conditions:6Arizona Legislature. Arizona Revised Statutes 28-2409 – International Symbol of Access Special Plates; Placard
- Cannot walk 200 feet without stopping to rest
- Cannot walk without a brace, cane, crutch, prosthetic device, wheelchair, or assistance from another person
- Has lung disease with forced expiratory volume under one liter (measured by spirometry) or arterial oxygen tension below 60 mm/Hg at rest
- Uses portable oxygen
- Has a cardiac condition classified as Class III or IV by American Heart Association standards
- Is severely limited in walking due to an arthritic, neurological, or orthopedic condition
Applicants submit Form 96-0104 to the MVD Special Plates Unit by mail, fax, or email, along with the medical certification. A 100-percent VA disability certificate can substitute for the medical certification. There is no fee for the placard.
Permanent placards in Arizona no longer expire. As long as the holder continues to qualify, the placard stays valid indefinitely with no periodic recertification. Temporary placards are good for six months; a persisting condition requires a new application and fresh medical certification.
Enforcement and Penalties
ARS 28-884 makes it illegal to park in an accessible space unless the vehicle displays a valid placard or ISA special plates and is transporting the person to whom they were issued. Parking in an access aisle is prohibited even for vehicles that otherwise have a valid placard.7Arizona Legislature. Arizona Revised Statutes 28-884 – Parking Space for Persons With Physical Disabilities; Prohibition; Access Aisle Violations are civil traffic infractions, with fine amounts set by local jurisdiction.
The exposure for property owners who fail to provide compliant accessible parking is much larger. Under ADA Title III, the Department of Justice can pursue civil penalties. As of the inflation adjustment effective July 2025, the maximum is $118,225 for a first violation and $236,451 for subsequent violations.8eCFR. 28 CFR Part 85 – Civil Monetary Penalties Inflation Adjustment Those penalties apply to businesses and places of public accommodation whose lots fail the ADA Standards, whether through too few spaces, wrong dimensions, or missing signage. The DOJ can also seek injunctive relief ordering the lot brought into compliance.9eCFR. 28 CFR 36.504
Safe Harbor for Older Lots
A parking lot built to the 1991 ADA Standards is not automatically required to upgrade to the 2010 Standards. The “safe harbor” provision protects lots already compliant with the 1991 version, so they do not have to add van spaces or restripe just because the newer ratios changed.
That protection ends the moment the lot undergoes a planned alteration such as restriping, resurfacing, or reconfiguration. Once altered, the lot must meet the 2010 Standards. Lots that were never compliant with the 1991 Standards get no safe harbor and must be brought up to the 2010 Standards whenever doing so is readily achievable, a test that weighs the business’s size and financial resources against the difficulty and expense of the change.