Written & reviewed by External Legal AI · Published July 1, 2026
There is no single nationwide "service animal" rule — stores, housing, and flights each follow a different federal law, and the answer that's right in one setting is wrong in another. The key divide everywhere is between task-trained service dogs and emotional-support animals: ESAs have real rights in housing, and almost none in stores or on planes.
Under the Americans with Disabilities Act, a service animal is a dog individually trained to do work or perform tasks for a person with a disability, and businesses open to the public generally must allow it wherever customers go. Staff may ask exactly two questions — is the dog required because of a disability, and what task is it trained to perform — and may not demand documentation, ask about the disability, or require a demonstration.
Emotional-support and comfort animals don't qualify under the ADA, so a store or restaurant doesn't have to admit them. And any service animal — however legitimate — can be removed if it's out of control or not housebroken. Handlers stay responsible for the animal's behavior.
Housing follows a different law. Under the Fair Housing Act, allowing an assistance animal is a "reasonable accommodation," a category that reaches beyond task-trained dogs to animals that provide disability-related support — including emotional-support animals. A provider generally must consider the request even in a no-pets building, pet fees and pet deposits generally don't apply, and when the need isn't obvious the provider may ask for information that reasonably supports it.
Air travel runs on the Department of Transportation's Air Carrier Access Act rules, which define a service animal as a dog trained to do work or perform tasks for a person with a disability. Since the DOT's 2020 rule change, airlines are not required to treat emotional-support animals as service animals — they may be handled as pets. Airlines can require DOT service-animal forms attesting to health, training, and behavior, so check the carrier's policy and deadlines before you fly.
Refusing a reasonable assistance-animal accommodation — or retaliating against a tenant for requesting one — can violate the Fair Housing Act, and a complaint to HUD is free with a one-year window. Keep the request and any response in writing.
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