ADA Door Requirements: Width, Clearance, and Hardware

ADA door requirements set minimum dimensions, opening force, hardware type, and closing speed for every door along an accessible route in a public accommodation or commercial facility. The rules come from the 2010 ADA Standards for Accessible Design and apply to new construction and to any altered portion of a covered building. Getting the width right is only the start: maneuvering space on both sides of the door, the hardware you can grip, how hard you have to push, and how fast the door closes behind you all have their own numbers to hit.

Which Buildings Have to Comply

Title III of the ADA covers public accommodations and commercial facilities. A public accommodation is any private business or nonprofit that serves the public: restaurants, hotels, retail stores, movie theaters, doctors’ offices, gyms, day care centers, and the like. A commercial facility is a privately owned non-residential building such as a factory, warehouse, or office building.¹ Residential buildings sit outside Title III unless part of the structure houses a public accommodation, like a ground-floor medical office in an apartment complex.

Two categories are exempt: religious organizations and entities they control (including places of worship), and private clubs that qualify under Title II of the 1964 Civil Rights Act.² Historic properties are not exempt, but where a required change would threaten historic significance, the owner consults with disability organizations and the State Historic Preservation Officer about alternatives such as power-assisted openers or offset hinges instead of widening original frames.³

Clear Opening Width

Doors on an accessible route must provide at least 32 inches of clear opening, measured from the door stop on the frame to the face of the door when it is open at 90 degrees. If the doorway is deeper than 24 inches, the minimum jumps to 36 inches. The opening must be at least 80 inches tall, with a 78-inch minimum permitted at door closers and stops.⁴

Nothing can project into the clear opening below 34 inches from the finished floor. Between 34 and 80 inches, projections are allowed on each side but cannot stick out more than 4 inches.⁴

On double-leaf doors, at least one active leaf must provide the full 32-inch clear width on its own. The other leaf does not have to meet the width requirement independently, but every other door standard, from hardware to thresholds, applies to both leaves.⁴

Maneuvering Clearance on Both Sides

A compliant opening does not help if a wheelchair user cannot get into position to use it. The floor space on both sides of a door must be large enough to approach, reach the handle, and pull or push the door open without backing into a wall. Exact dimensions depend on the direction of approach (front, hinge, or latch) and on which side of the door you are on.⁴

The pull side generally demands more space because the user has to clear the door’s swing arc. For a front approach on the pull side, the floor must extend at least 60 inches perpendicular to the doorway and 18 inches beyond the latch. A front push-side approach needs 48 inches perpendicular, plus another 12 inches if the door has both a closer and a latch. Hinge-side and latch-side approaches carry their own minimums.⁵

These clearances have to stay free of obstructions for the full 80-inch height. This is where most everyday violations show up. A doorway can be the correct width, with correct hardware, and still fail because a trash can, planter, or fire extinguisher cabinet sits in the maneuvering zone.

Hardware You Can Use With One Hand

All door hardware on an accessible route has to be operable with one hand and cannot require tight grasping, pinching, or twisting of the wrist. Operating the hardware itself must take no more than 5 pounds of force. Lever handles, push bars, and U-shaped pulls all work. Round doorknobs fail, because the twisting grip they demand is out of reach for many people with limited hand strength or dexterity.⁴

The operable parts have to be mounted between 34 and 48 inches above the finished floor.⁴

Maximum Opening Force

Interior hinged, sliding, and folding doors may take no more than 5 pounds of continuous force to open through their full arc. That measures the sustained push or pull, not the initial effort to break a seal or retract a latch bolt; latch retraction is judged separately under the hardware rules.⁶

Three categories fall outside that 5-pound ceiling. Fire doors may use whatever minimum force the fire code requires, and because they must self-close and latch reliably, their opening force is often well above 5 pounds. Exterior hinged doors have no maximum specified, since wind and air-pressure differentials make a fixed limit impractical. Latch bolts and other closing devices are not counted toward the opening-force measurement at all.⁴ For heavy exterior doors, a power-assisted or automatic opener is usually the most reliable path to independent access.

Closing Speed

A door that closes too fast can strike someone still moving through it, or slam before a wheelchair clears the frame. The rules split by mechanism. A door with a closer must take at least 5 seconds to move from 90 degrees open down to 12 degrees from the latch. That covers the sweep phase; the final inches, the latch speed, are not held to the same 5-second rule but still need to allow safe passage.⁴

Doors with spring hinges instead of mechanical closers have to take at least 1.5 seconds to move from 70 degrees open to closed. The shorter window reflects the simpler mechanism, but the hinge tension still has to be tested and adjusted after installation.⁷

Thresholds and the Bottom of the Door

Thresholds at doorways in new construction cannot exceed 1/2 inch in height. Anything over 1/4 inch must be beveled at a slope no steeper than 1:2. For existing or altered thresholds, the ceiling rises to 3/4 inch if both sides are beveled at that same 1:2 slope.⁴

Carpet near a doorway adds complications. Pile cannot exceed 1/2 inch to the backing, the backing itself has to be firm, and any cushion or padding must be firm as well. Exposed carpet edges at transitions need trim fastened along the full exposed length. That trim follows the same threshold rules: up to 1/4 inch vertical with no treatment, up to 1/2 inch if beveled, and anything above 1/2 inch has to be treated as a ramp.⁸

The bottom 10 inches of a swinging door’s push side has to be a smooth, uninterrupted surface across the full width of the door. Wheelchair footrests are often used to push doors open, so a raised panel, decorative molding, or open gap could catch a footrest or caster. Kick plates are fine as long as any cavity between the plate and the door face is capped, and joints in the surface cannot vary more than 1/16 inch from the same plane. Sliding doors, doors that do not extend to within 10 inches of the floor, and tempered glass doors without stiles are exempt from this requirement.⁹

Doors in Series

When two doors open into a shared vestibule or airlock, the space between them must be at least 48 inches plus the width of any door that swings into that space. Both doors must swing in the same direction or away from the space between them. A wheelchair user needs enough room to clear the first door, let it close, and open the second without being trapped in between.⁴

Vision Panels and Tactile Signage

If a door, gate, or adjacent sidelight has a glass panel that people can see through, the bottom edge of at least one glazed panel must sit no higher than 43 inches above the finished floor, so a seated wheelchair user and someone standing on the other side can see each other. The rule does not apply to small vision lights whose lowest edge is more than 66 inches above the floor.¹⁰

Doors identifying permanent rooms and spaces need tactile signs with raised characters and Grade 2 braille. Exit stairways, exit passageways, and exit discharge doors specifically require these labels. Mount the sign so the lowest tactile character is at least 48 inches above the floor and the highest is no more than 60 inches. At a single door, the sign goes on the latch side; at double doors with one active leaf, it goes on the inactive leaf; if both leaves are active, it goes to the right of the right-hand door. An 18-by-18-inch clear floor space must be centered on the tactile characters and positioned outside the arc of any door swinging to a 45-degree open position.¹¹

Automatic and Power-Assisted Doors

Automatic doors must provide a minimum 32-inch clear opening in both power-on and power-off modes, measured across all leaves in the open position. Power-assisted doors, and automatic doors without standby power that serve an accessible means of egress, still have to meet the same maneuvering clearance rules as manual swinging doors. Thresholds meet the same half-inch maximum as manual doors, and the underlying ANSI/BHMA standards separate full-power, low-energy, and power-assisted operators, each with its own activation and safety features.¹²

What Happens When a Door Doesn’t Comply

Private individuals can sue under Title III, but the remedy is injunctive relief, not money damages. A court can order the business to fix the non-compliant doors, provide alternative access, or modify policies. It cannot award compensatory or punitive damages to the plaintiff. Courts can award attorney’s fees to prevailing plaintiffs, and those fees often exceed the cost of the fix itself.¹³

The Department of Justice can bring its own actions and seek broader relief, including monetary damages for affected individuals and civil penalties. The statute sets baseline penalties of up to $50,000 for a first violation and $100,000 for subsequent violations, adjusted periodically for inflation.¹³ Some state laws add exposure on top of the federal framework, including statutory damages that private plaintiffs can recover directly, so the practical financial risk often runs higher than the federal statute alone suggests.

Tax Help for Fixing Doors

Two federal tax provisions offset the cost of bringing doors into compliance. The Disabled Access Credit under Section 44 gives eligible small businesses a credit equal to 50% of accessibility expenditures that exceed $250 but do not exceed $10,250 in a year, for a maximum annual credit of $5,000. To qualify, the business must have had gross receipts of $1 million or less in the prior tax year, or employed no more than 30 full-time workers.¹⁴

The Section 190 deduction lets any business, regardless of size, deduct up to $15,000 per year for removing architectural or transportation barriers. There is no revenue or employee-count cap. A business that qualifies for both can apply the credit first, then deduct remaining eligible costs up to the $15,000 limit.¹⁵

1
ADA.gov. Introduction to the Americans with Disabilities Act
2
GovInfo. 42 USC 12187 – Exemptions for Private Clubs and Religious Organizations
3
National Park Service. Preservation Brief 32 – Making Historic Properties Accessible
4
U.S. Access Board. Chapter 4 – Entrances, Doors, and Gates
5
U.S. Access Board. Chapter 4 – Accessible Routes
6
ADA.gov. 2010 ADA Standards for Accessible Design – Advisory 404.2.9
7
U.S. Access Board. Entrances, Doors, and Gates
8
U.S. Access Board. Chapter 3 – Floor and Ground Surfaces
9
ADA.gov. 2010 ADA Standards for Accessible Design – Section 404.2.10
10
ADA.gov. 2010 ADA Standards for Accessible Design – Section 404.2.11
11
U.S. Access Board. Chapter 7 – Signs
12
ADA.gov. 2010 ADA Standards for Accessible Design – Section 404.3.3
13
Office of the Law Revision Counsel. 42 USC 12188 – Enforcement
14
Office of the Law Revision Counsel. 26 USC 44 – Expenditures to Provide Access to Disabled Individuals
15
Office of the Law Revision Counsel. 26 USC 190 – Expenditures to Remove Architectural and Transportation Barriers