ADA Parking for Oregon Medical & Dental Offices

Medical Lots Play by Different Numbers

Most businesses calculate accessible parking from the standard ADA table, where the requirement scales at roughly one space per 25. Medical facilities do not. Because the people visiting a clinic, dialysis center, or physical therapy practice are far more likely to have mobility needs, the ADA sets higher accessible-parking ratios for these facilities. A medical office that uses the standard table will almost always come up short.

This page covers ADA parking for Oregon medical and dental offices, where the count rules override the standard table and van loading carries extra weight. The general requirements are in our ADA parking compliance guide for Oregon; here we focus on what makes medical lots different.

The Higher Ratios: 10% and 20%

The standard table does not apply to outpatient medical facilities. Instead:

• Outpatient medical facilities must provide accessible spaces equal to 10 percent of total parking spaces.
• Rehabilitation facilities and outpatient physical therapy facilities must provide 20 percent.

These percentages produce dramatically higher counts than the standard table. A 100-space lot serving a general business needs four accessible spaces. The same 100-space lot serving an outpatient medical facility needs ten. A physical therapy clinic needs twenty. That is a large difference, and missing it is one of the more expensive medical-lot compliance errors precisely because the gap is so wide. Our accessible parking count requirements page covers the standard table for comparison.

Which Facilities Trigger the Higher Ratios

The elevated ratios apply to outpatient medical care, where patients come and go the same day, often with mobility needs. This generally captures:

• Outpatient clinics and medical offices
• Dental and orthodontic practices serving the public
• Dialysis centers
• Outpatient surgical centers
• Physical therapy and rehabilitation practices (the 20 percent tier)

A facility with mixed use, say a medical office building with some non-medical tenants, applies the higher ratio to the parking serving the medical units. The exact application depends on how the facility is classified and how the parking serves it, which a building official or accessibility professional can confirm for your specific site. This is general guidance, not a determination for your facility.

Van Loading Matters More

The van-accessible requirement, one in six accessible spaces rounded up, applies to medical lots like any other, but it carries more practical weight here. Patients arriving in wheelchair-equipped vans, paratransit vehicles, and accessible transport are common at medical facilities. The wider access aisle on a van space, detailed in our van-accessible spaces in Oregon page, is what lets a side-deploying lift operate.

Because medical lots have higher accessible counts overall, they also have more van spaces, and those van spaces should be placed and sized to actually serve the vans that use them. The 8-foot access aisle and the 96-inch vertical clearance for van routes are not abstract here; they are what a paratransit van needs to drop a patient at the door.

The Route Is Patient-Critical

For a medical facility, the accessible route from parking to entrance is not a formality. The people using it may be in pain, recovering from a procedure, or managing a chronic condition, and a route that forces a detour, a steep grade, or a trip over a curb is a real barrier to care. The route must be continuous, wide enough, within slope limits, and obstruction-free, as our ADA accessible route to the door page describes.

Medical entrances often have features that complicate the route: a covered drop-off, a raised entry, automatic doors set behind a curb. These need to be integrated into the accessible route, not added in a way that breaks it. The accessible spaces should connect to the actual patient entrance over the flattest, shortest available path.

Why Medical Lots Get Audited

Medical facilities draw attention on accessibility for a reason: their patient population is the one the law most directly protects, so a non-compliant medical lot is both a high-visibility target and a genuine barrier to care. Patients and advocates notice when a clinic that exists to serve people with health conditions cannot get them from the lot to the door.

That makes proactive compliance especially worthwhile for medical operators. Getting the higher count right, placing van spaces correctly, and keeping the route clear is both a legal obligation and a basic part of serving patients. A periodic review keeps the lot in shape as paint fades and surfaces age. This is general guidance, and your facility's classification, count, and route should be confirmed on a site survey.