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Guide dogs: how they work, where they can go and how to act around them
A guide dog is trained to lead a blind or low-vision person around obstacles, stop at curbs and steps, and find doors and crossings. It is working, not a pet. In the United States, the ADA lets a guide dog go with its handler into the areas of a business or public building where the public is allowed.
This guide summarizes the sources it cites; it is not legal advice. The official texts are the reference.
What a guide dog does
The dog walks beside its handler in a harness with a rigid handle, and the handler gives directions. The dog deals with what is in the way: a post, a low branch, a step, the edge of the sidewalk. It is teamwork: the handler decides the route and when to cross.
Under the ADA, a service animal is a dog individually trained to do work or perform tasks for a person with a disability, and guiding people who are blind is the first example the Department of Justice gives. Since March 15, 2011, only dogs count as service animals under titles II and III of the ADA, and dogs whose only role is comfort or emotional support do not qualify (ADA.gov service animal guidance).
Where guide dogs can go under the ADA
State and local governments, businesses and nonprofits that serve the public generally must let a service animal go with its handler into all areas where the public is allowed (ADA.gov service animal guidance). In practice:
- Restaurants, cafés and shops that sell or prepare food must generally allow service animals in public areas, even if state or local health codes prohibit animals.
- In a hospital, a service animal can usually go to patient rooms, clinics, cafeterias and examination rooms; it may be excluded from places such as operating rooms or burn units.
- Handlers cannot be isolated from other customers, treated less favorably or charged fees that customers without animals do not pay. A pet deposit must be waived.
- A business that normally charges guests for damage they cause may charge for damage caused by a service animal.
- Staff do not have to care for or supervise the dog.
Some state and local laws define service animals more broadly than the ADA, and the Fair Housing Act and the Air Carrier Access Act have their own, broader definitions (ADA.gov service animal guidance).
What staff may and may not ask
When it is not obvious what a dog does, staff may ask only two questions (ADA.gov service animal guidance):
- Is the dog a service animal required because of a disability?
- What work or task has the dog been trained to perform?
Staff cannot ask about the person’s disability, require medical documentation, ask for a special ID card or training papers, or ask the dog to demonstrate its task. Allergies and fear of dogs are not valid reasons to refuse service (ADA.gov service animal guidance).
A handler can be asked to remove the dog only if it is out of control and the handler does not take effective action, or if it is not housebroken; even then, the business must offer its goods or services without the dog. The dog must be harnessed, leashed or tethered unless that interferes with its work or the person’s disability prevents it (ADA.gov service animal guidance).
How to act around a guide dog
- Do not pet, call or talk to the dog while it is in harness: it is working.
- Do not feed it.
- If you think the handler needs help, ask the person, not the dog, and do not grab the harness or leash.
- Keep your own dog at a distance.
- In a shop or restaurant, serve the handler like any other customer; the dog will usually lie at their feet.
Drivers should take extra care too. The UK Highway Code lists blind and partially sighted people with a white cane or a guide dog among particularly vulnerable pedestrians, and notes that a deafblind person may use a dog with a red and white harness (The Highway Code, rule 207).
Guide dogs, canes and the ground
Many guide dog handlers also use a white cane, and both rely on what the ground tells them. Truncated domes at curb ramps and platform edges warn of a hazard ahead, and in the United Kingdom a guidance path surface can lead a person along a route (DfT tactile paving guidance).
A place can have a ramp and an accessible restroom and still turn a guide dog away at the door. That is one of the reasons ADA compliance covers policies as well as buildings.
Frequently asked questions
Can a guide dog go into a restaurant?
Yes, under the ADA. Businesses that sell or prepare food must generally allow service animals in public areas even if state or local health codes prohibit animals (ADA.gov service animal guidance).
Can a business ask for proof that a dog is a guide dog?
No. Staff may ask only whether the dog is required because of a disability and what task it is trained to perform; they cannot require documentation, an ID card or a demonstration (ADA.gov service animal guidance).
Can a business charge extra for a guide dog?
No. Handlers cannot be charged fees that other customers do not pay, and pet deposits must be waived; a business that normally charges for damage may charge for damage the dog causes (ADA.gov service animal guidance).
Do emotional support dogs count as service animals?
Not under the ADA. Dogs whose sole function is comfort or emotional support do not qualify, although some state and local laws and the Fair Housing Act use broader definitions (ADA.gov service animal guidance).
Can I pet a guide dog?
It is best not to while the dog is in harness, because distracting it can put its handler at risk. If you want to, ask the handler first.
More accessibility guides
- The white cane: what it tells the person using it and the people around them, and White Cane Safety Day.
- Truncated domes and tactile paving: what the bumps on curb ramps and platform edges mean, and their sizes in the US and the UK.
- ADA compliance: a checklist for small businesses, with the 2010 Standards section behind each item.
- Accessibility symbols: what the wheelchair symbol means, where it is required and the other access symbols.
- All accessibility guides
Sources
Every figure in this guide comes from one of these official texts, which we read in October 2026.
- ADA Requirements: Service Animals. U.S. Department of Justice (ADA.gov), last updated February 28, 2020.
- The Highway Code, rule 207. Department for Transport (UK), updated October 22, 2025.
- Guidance on the use of tactile paving surfaces. Department for Transport (UK), December 2021, published January 10, 2022.
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