Can You Refuse Service to Someone With a Service Dog?

A business open to the public can refuse service to someone with a service dog only in a few narrow situations, and “we don’t allow dogs” is not one of them. Under the Americans with Disabilities Act, refusing service to someone with a service dog is lawful only when that specific dog is out of control and the handler won’t correct it, when the dog isn’t housebroken, or in the rare case where the animal’s presence would fundamentally alter the nature of the business. Even then, the person themselves must still be served.¹ Getting this wrong can cost a business well into six figures in federal penalties.

The Two Grounds for Removing a Service Dog

Federal regulation gives businesses exactly two explicit reasons to ask that a service animal be removed from the premises:

The dog is out of control and the handler is not taking effective action to regain control.
The dog is not housebroken.

Both come straight from the regulation covering public accommodations.² “Out of control” means real, uncorrected behavior: aggressive barking, jumping on other customers, running loose while the handler does nothing. A single bark or a momentary pull on the leash does not qualify.

The handler is responsible for keeping the dog under control at all times, typically with a harness, leash, or tether. If the handler’s disability or the dog’s trained work makes those devices impractical, the handler must still maintain control through voice commands or signals.²

The Narrow “Fundamental Alteration” Exception

A business may also exclude a service animal when its presence would fundamentally change what the business does. The standard example is a sterile surgical suite or a burn unit, where an animal could compromise the environment needed for safe care.³ The exception is drawn tightly. A restaurant kitchen’s health-code concerns, for example, do not qualify: the dog is with the customer in the dining area, not in the kitchen.

What Isn’t a Valid Reason to Refuse Service

Most refusals happen for reasons the ADA specifically rejects.

A no-pets policy. Service dogs are working animals, not pets, and a blanket animal ban cannot legally exclude them.¹ The dog goes wherever the customer goes, including dining rooms, fitting rooms, and hotel guest rooms.

State or local health codes. Restaurants and other food-service establishments must allow service dogs in public areas regardless of codes that would otherwise ban animals.³ The dog stays on the floor. It does not go on chairs or tables, and the business is not responsible for feeding, watering, or supervising it.²

Another customer’s allergies or fear of dogs. These are not grounds to deny access to someone with a service animal.³ The business is expected to accommodate both customers, typically by separating them within the space. Choosing the allergic customer over the person with a disability and asking the handler to leave is not an option.

No papers, no vest, no ID card. Nothing in the ADA requires a service dog to come from a professional training program or carry any certification. Handlers have the right to train their own service animals. The online “service animal registries” that sell vests and ID cards have no legal standing, and a business cannot demand them.

The Two Questions Staff May Ask

When it isn’t obvious that a dog is a service animal, staff may ask exactly two questions:

Is the dog a service animal required because of a disability?
What work or task has the dog been trained to perform?

That is the entire permissible inquiry.² Even those two questions are off-limits when the dog’s role is readily apparent, such as a dog visibly guiding someone who is blind or steadying a person with a mobility disability.

Everything beyond those two questions is prohibited. Staff cannot ask about the nature of the person’s disability, request medical records, demand proof of training or certification, require a special ID card, or ask the dog to demonstrate its task.⁴ Many disabilities are invisible, and the handler is under no obligation to explain a diagnosis. A “yes” to the first question and a named trained task in response to the second meets every legal threshold. Pressing further is itself a violation.

What Counts as a Service Animal

Under the ADA, a service animal is a dog individually trained to perform work or tasks directly related to a person’s disability.⁴ The dog must actually do something: guide someone who is blind, alert a deaf person to sounds, pull a wheelchair, interrupt a panic attack, detect an oncoming seizure, remind someone to take medication. Presence-only comfort is not a task.

Emotional support, therapy, and comfort animals are not service animals under the ADA. Because they have not been trained to perform a specific task tied to a disability, they do not carry the same right of public access, and a business is not required to admit them into its dining room or sales floor.³ Housing is governed by a different statute with broader rules for emotional support animals; the ADA framework here covers public accommodations only.

Removing the Dog Doesn’t Mean Removing the Customer

This is the piece businesses most often miss. Even when a service animal is lawfully removed, the business must still give the person with a disability the opportunity to obtain goods or services without the animal present.² A restaurant that asks for a disruptive dog to be taken outside still has to serve the person their meal.

The customer also cannot be isolated or segregated. Someone with a service dog should be seated, served, and treated identically to any other patron, not placed in a back corner or routed to a different entrance.³

Fees, Surcharges, and Damage

A business cannot charge a surcharge, deposit, or cleaning fee for a service animal, even if it charges pet fees to other customers. Hotels cannot add a pet-cleaning fee to a guest’s bill for hair or dander left by a service dog.⁴

Actual damage is different. If the service dog chews the carpet or destroys furniture, the business can charge the handler on the same terms it would charge any other customer who caused the same damage.³ Routine presence carries no charge; genuine property damage does.

Penalties for a Wrongful Refusal

Refusing access to a person with a legitimate service animal violates Title III of the ADA. The Department of Justice can bring a civil enforcement action, and the numbers are steep. As of July 2025, the maximum civil penalty for a first violation is $118,225, and for any subsequent violation the ceiling rises to $236,451.⁵ Those figures are adjusted for inflation periodically, and courts are directed to consider whether the business made a good-faith effort to comply.⁶

Many states add their own fines or misdemeanor charges for denying access, and some states separately criminalize intentional interference with or harm to a service dog, with penalties ranging up to felony charges depending on severity. Private individuals can also file complaints with the DOJ or pursue lawsuits seeking injunctive relief. Legal costs and reputational fallout from an ADA complaint routinely exceed whatever the business thought it was avoiding.

If a situation truly justifies removal, document it: the specific behavior, what the handler did or didn’t do to correct it, and how the business still offered to serve the person without the dog. That record is what protects the business if the interaction is later challenged.

1
ADA.gov. Service Animals
2
eCFR. 28 CFR 36.302 – Modifications in Policies, Practices, or Procedures
3
ADA.gov. ADA Requirements: Service Animals
4
ADA.gov. Frequently Asked Questions About Service Animals and the ADA
5
GovInfo. Civil Monetary Penalties Inflation Adjustments for 2025
6
Office of the Law Revision Counsel. 42 USC 12188 – Enforcement