Why ADA Compliance Matters
The Americans with Disabilities Act (ADA) requires that all public and commercial parking facilities provide accessible parking spaces for individuals with disabilities. This isn't optional. It's federal law, and it applies to every business, church, medical facility, apartment complex, shopping center, and commercial property in San Antonio and across the United States.
ADA compliance protects your business in three important ways. First, it ensures that customers and employees with disabilities can safely access your property. Second, it shields you from federal fines that can reach $75,000 for a first violation and $150,000 for subsequent violations. Third, it protects you from private lawsuits. ADA violations are one of the most common sources of commercial property litigation in the U.S.
Beyond legal requirements, accessible parking is simply good business. Approximately 61 million adults in the U.S. live with a disability. When your parking lot is properly striped and signed, you're welcoming a significant portion of the population and demonstrating that your business cares about accessibility for everyone.
Important
ADA requirements apply whenever you re-stripe or alter your parking lot, not just during new construction. If you're re-painting lines, you must bring the entire lot into current ADA compliance. Partial compliance is not acceptable under the law.
Number of Accessible Spaces Required
The number of accessible parking spaces your lot needs depends on the total number of parking spaces in your facility. The following table is based on the 2010 ADA Standards for Accessible Design, which remain the current federal standard. At least one accessible space must be van-accessible.
| Total Spaces in Lot | Min. Accessible Spaces | Min. Van-Accessible |
|---|---|---|
| 1–25 | 1 | 1 |
| 26–50 | 2 | 1 |
| 51–75 | 3 | 1 |
| 76–100 | 4 | 1 |
| 101–150 | 5 | 1 |
| 151–200 | 6 | 1 |
| 201–300 | 7 | 2 |
| 301–400 | 8 | 2 |
| 401–500 | 9 | 2 |
| 501–1,000 | 2% of total | 1/6 of accessible |
| 1,001+ | 20 + 1 per 100 over 1,000 | 1/6 of accessible |
How to Count
Count every parking space in the entire facility, including employee parking, visitor parking, and any satellite lots that serve the same building. If your property has multiple separate lots that serve different buildings, calculate each lot independently.
Parking Space & Access Aisle Dimensions
Standard Accessible Space
- Space width96 in (8 ft) min.
- Access aisle width60 in (5 ft) min.
- Combined width156 in (13 ft) min.
- Max. slope (all directions)2% (1:48)
Van-Accessible Space
- Space width132 in (11 ft) min.
- Access aisle width60 in (5 ft) min.
- Vertical clearance98 in (8 ft 2 in) min.
- Max. slope (all directions)2% (1:48)
Alternative Van-Accessible Configuration
The ADA allows an alternative layout for van-accessible spaces: a 96-inch (8 ft) wide space paired with a 96-inch (8 ft) wide access aisle. This "universal" design option provides the same total accessible area (192 inches / 16 ft) but distributes the width differently. This configuration can be useful when lot geometry makes an 11-foot-wide space impractical.
Access Aisle Rules
Access aisles are the striped (hatched) areas adjacent to accessible parking spaces. They provide room for wheelchair users and people with mobility devices to enter and exit vehicles. Key requirements include:
- Two accessible spaces may share a single access aisle placed between them
- Access aisles must be at the same level as the adjacent parking space(s)
- Access aisles must be the same length as the adjacent space
- Access aisles must be marked with diagonal hatch lines to discourage parking
- Access aisles must connect directly to an accessible route leading to the building entrance
- Angled parking: the access aisle must be on the passenger side of the space (the side closest to the building entrance is preferred)
Signage Requirements
Every accessible parking space must be identified by a sign that is clearly visible even when a vehicle is parked in the space. Pavement markings alone (such as the wheelchair symbol painted on the ground) are not sufficient. A mounted sign is required.
Standard Space Signs
- International Symbol of Accessibility (ISA) required
- Bottom of sign mounted 60 inches minimum above ground
- Must be visible when a vehicle is parked in the space
- Reflective material recommended for visibility
Van-Accessible Signs
- All standard sign requirements apply
- Must include "Van Accessible" text on or below sign
- Text must be clearly legible
Texas-Specific Signage Rules
Under the Texas Accessibility Standards (TAS), which were updated effective August 1, 2020, signs must be mounted with the bottom edge between 60 and 80 inches above the ground surface. Texas law also imposes fines of up to $1,250 for unauthorized use of accessible parking spaces.
Surface & Slope Requirements
The surface of accessible parking spaces and access aisles must be firm, stable, and slip-resistant. Loose gravel, mud, grass, and unpaved surfaces do not meet ADA requirements. Asphalt and concrete are the most common compliant surfaces.
Slope Requirements
Accessible parking spaces and their adjacent access aisles must not exceed a 2% slope (a ratio of 1:48) in any direction. This means for every 48 inches of horizontal distance, the surface can rise or fall no more than 1 inch. This applies to:
- The parking space itself (in all directions)
- The access aisle (in all directions)
- The transition between the space and the aisle
- The route from the aisle to the accessible path leading to the building
Accessible Route to Building
The access aisle must connect to an accessible route that leads to the building entrance. This route must be at least 36 inches wide, with a running slope no greater than 5% (1:20) and a cross slope no greater than 2% (1:48). If a curb exists between the parking area and the sidewalk, a curb ramp must be provided. Curb ramps cannot be located within accessible parking spaces or access aisles.
Surface Maintenance
ADA compliance is not a one-time event. It's an ongoing obligation. Over time, asphalt surfaces settle, crack, and develop slopes that may exceed the 2% maximum. Standing water in accessible spaces is a strong indicator of slope issues. Property owners should periodically measure slopes and address any surface deterioration that creates barriers to accessibility.
Van-Accessible Space Requirements
Van-accessible spaces accommodate vehicles equipped with wheelchair lifts or ramps, which require significantly more side clearance and overhead clearance than standard vehicles. These spaces have the strictest dimensional requirements in ADA parking lot design.
How Many Van-Accessible Spaces?
For lots with up to 200 total spaces, at least one accessible space must be van-accessible. For lots with 201-500 spaces, at least two must be van-accessible. For lots over 500 spaces, at least one-sixth (1/6) of all accessible spaces must be van-accessible.
Vertical Clearance
Van-accessible spaces, their access aisles, and the entire vehicle route from the parking lot entrance to the van space and from the van space to the exit must provide a minimum vertical clearance of 98 inches (8 feet 2 inches). This is critical for properties with parking structures, drive-through canopies, low-hanging signage, or tree branches over parking areas. Even in an open surface lot, overhead obstructions along the travel path can create violations.
Location
Accessible spaces (including van-accessible) must be located on the shortest accessible route to the building entrance. In parking structures, they must be located on the level closest to the accessible entrance. If a facility has multiple entrances with nearby parking, accessible spaces should be distributed among the parking areas serving each entrance.
Texas Accessibility Standards (TAS)
In addition to the federal ADA, Texas enforces its own accessibility standards through the Texas Accessibility Standards (TAS), administered by the Texas Department of Licensing and Regulation (TDLR). The TAS closely mirrors the federal ADA standards but includes additional requirements and enforcement mechanisms that San Antonio property owners need to be aware of.
Key Texas-Specific Requirements
- TAS is enforced by the Texas Department of Licensing and Regulation (TDLR)
- Sign mounting height: bottom of sign between 60 and 80 inches above ground (updated August 2020)
- Construction and renovation projects must be registered with TDLR and inspected for accessibility compliance
- Unauthorized parking in an accessible space carries fines up to $1,250
- Property owners can be held liable for failure to maintain accessible features
- Texas requires accessible parking in both public and private facilities open to the public
- When TAS and ADA requirements differ, the more stringent standard applies
TDLR Inspections
Construction and renovation projects in Texas that include parking lot work may require TDLR registration and a post-construction inspection for accessibility compliance. This includes significant re-striping projects. Work with a contractor who understands TDLR requirements to avoid compliance delays.
ADA Parking Lot Compliance Checklist
Use this checklist to evaluate your parking lot's current compliance. Every item must be met to satisfy federal ADA and Texas TAS requirements.
- 1Correct number of accessible spaces based on total lot capacity
- 2At least one van-accessible space with proper signage
- 3Standard accessible spaces are 96 inches (8 ft) wide minimum
- 4Access aisles are 60 inches (5 ft) wide minimum (96 inches for van spaces)
- 5Access aisles are marked with diagonal hatch lines
- 6Slope does not exceed 2% (1:48) in any direction
- 7Signs with International Symbol of Accessibility at each space
- 8Signs mounted 60–80 inches above ground (bottom of sign)
- 9Van-accessible spaces have "Van Accessible" designation on sign
- 10Van-accessible spaces/routes have 98-inch minimum vertical clearance
- 11Access aisles connect to an accessible route to the building entrance
- 12Accessible spaces are located on the shortest accessible route to the entrance
- 13Surface is firm, stable, and slip-resistant
- 14No obstructions in access aisles (curbs, bollards, landscaping)
- 15Accessible spaces are not isolated from other parking by ramps, stairs, or barriers
Penalties for Non-Compliance
ADA violations are taken seriously at both the federal and state level. Property owners, not tenants, are typically held responsible for ensuring parking lot compliance. Violations can be reported by anyone, and enforcement can come from the Department of Justice, the Texas Attorney General's office, TDLR, or through private lawsuits.
Potential Consequences
- First violation: fines up to $75,000 under federal ADA law
- Subsequent violations: fines up to $150,000
- Texas state penalties under the Texas Accessibility Standards (TAS)
- Private lawsuits from individuals denied access
- Cost of retroactive remediation (often more expensive than doing it right)
- Potential loss of business licenses or permits
The most cost-effective approach is always proactive compliance. Having your lot professionally evaluated and brought up to current standards before a complaint is filed is significantly less expensive than defending a lawsuit or paying federal fines. A professional striping company familiar with ADA requirements can identify issues and correct them efficiently.
We'll Bring Your Lot Into Compliance
At Dash Parking Lot Striping, every project we complete meets or exceeds federal ADA standards and Texas Accessibility Standards. We stay current on all applicable codes so you don't have to.
Our free on-site evaluation includes a full review of your lot's accessible parking including space count, dimensions, signage, slopes, and access routes. If anything needs to be corrected, we'll include it in your quote and handle the work as part of the project.
Whether you need a new parking lot striped to ADA standards, an existing lot re-striped, accessible signage installed, slopes corrected, or access routes evaluated, we're here to help. Request a free quote and let us take the guesswork out of accessibility compliance.
Have Questions About ADA Compliance?
Call us anytime. We're happy to answer your questions and provide a free evaluation of your parking lot.