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Service Animals vs. Emotional Support Animals: What's Different

By KPCB StaffCombined Expertise In The Low Income Housing Space For 10 Years · How we write our guides

A service animal is a dog that has been individually trained to do specific work or tasks for a person with a disability. An emotional support animal (ESA) helps by being there, with no task training. Under federal law, service dogs can go into stores, restaurants and other public places and must be allowed on flights. ESAs get neither right.

Housing rules are less clear, and they changed in 2026. On May 22, 2026, HUD said it will find a landlord at fault in an animal complaint only when the animal has been individually trained to perform work or tasks related to the tenant's disability. HUD no longer treats a request for an untrained ESA as presumptively reasonable.

How the two compare

Service animalEmotional support animal
What it doesDoes specific work or tasks tied to a disability (guiding, alerting, pulling a wheelchair, helping during a seizure)Gives comfort or companionship
TrainingMust be individually trainedNo training required
SpeciesDogs under the ADA and the airline rule (miniature horses get separate rules in public places)Any species
Stores, restaurants, other businesses (ADA)Must be allowed in, with no extra feeNo right of entry; the business's pet policy applies
Rental housing (Fair Housing Act)A request to waive a pet policy for a trained animal is presumptively reasonable, according to HUDHUD says requests for untrained ESAs are not presumptively reasonable; landlords may still say yes
Flights (DOT rule)Airline must accept the dog in the cabin; it may require DOT formsNot a service animal; the airline decides under its own policies
Proof the other side can ask forBusinesses may ask only two questions and cannot demand certificationDepends on the setting; see below

What counts as a service animal

The Justice Department's ADA rules define a service animal as a dog that is individually trained to do work or perform tasks for a person with a disability. That includes physical, sensory, psychiatric, intellectual and other mental disabilities, so a dog trained to help with PTSD or another psychiatric condition can qualify.

The tasks must be directly related to the person's disability. The rule lists examples such as guiding a person who is blind, alerting a person who is deaf to sounds, pulling a wheelchair, helping during a seizure, alerting to allergens, retrieving medicine or a phone, helping with balance, and interrupting impulsive or destructive behavior for people with psychiatric or neurological disabilities.

The same rule says that emotional support, comfort and companionship do not count as work or tasks. A dog that only calms you by being near you is not a service animal under the ADA.

Breed doesn't matter. Other species, trained or not, are not service animals under the ADA definition. Businesses must make reasonable changes to allow a miniature horse that has been individually trained to do work or tasks, depending on things like the horse's size and whether the building can handle it.

What counts as an emotional support animal

An ESA is a pet that eases symptoms of a disability, usually a mental health condition, by giving comfort. It does not need any training, and it can be any species.

No federal law gives ESAs a right to go into stores or restaurants, and the Department of Transportation's air travel rule says they are not service animals. The protections people usually mean when they talk about ESAs come from the Fair Housing Act, and HUD changed how it enforces them in 2026 (explained in the housing section below).

In stores, restaurants and other public places

Under the ADA, businesses open to the public must let a service dog go anywhere customers are allowed to go. When it isn't obvious what the dog does, staff may ask only two questions:

  1. Is the animal required because of a disability?
  2. What work or task has the animal been trained to perform?

Staff may not ask about your disability, ask the dog to demonstrate its task, or demand papers. The rule says a business "shall not require documentation, such as proof that the animal has been certified, trained, or licensed as a service animal." If the dog is plainly doing its job, such as guiding a person who is blind, staff shouldn't ask the questions at all.

A business cannot charge you a fee for the dog, even if it charges pet owners. It can charge for damage the dog causes if it normally charges other customers for damage.

The dog must be on a harness, leash or tether unless your disability prevents that or the tether gets in the way of the dog's work. In that case you must control it another way, such as by voice or signals. A business can ask you to remove the dog if it is out of control and you don't take effective action, or if it isn't housebroken. You must still be offered the goods or services without the dog there.

Emotional support animals have none of these rights in public places. A store with a no-pets policy can turn away an ESA.

In rental housing

Housing is covered by the Fair Housing Act. It requires housing providers to make reasonable accommodations in their rules and policies when a person with a disability needs one to have an equal chance to use and enjoy their home. HUD's own regulation gives the standard example: a building with a no-pets policy must let a blind tenant live there with a guide dog.

What changed at HUD

For years, HUD guidance told landlords to treat untrained emotional support animals much like trained service animals, with no pet fees. That guidance is gone:

  • HUD withdrew its 2013 and 2020 assistance animal notices (FHEO-2013-01 and FHEO-2020-01) effective September 17, 2025, and published notice of the withdrawal in the Federal Register on April 6, 2026. HUD says they "should not be relied upon as authoritative."
  • On May 22, 2026, HUD's Assistant Secretary for Fair Housing issued a memo that permanently rescinds the 2020 notice and sets a new enforcement standard.

Under that memo, HUD will find reasonable cause in an animal-related complaint only where the animal "has been individually trained to perform work or perform tasks directly related to the complainant's disability." Requests to waive pet policies for trained animals are presumptively reasonable. Requests for untrained ESAs are not, and HUD "no longer expects housing providers to categorically extend accommodations for trained assistance animals to untrained ESAs."

The memo notes that under the Fair Housing Act, a trained animal doesn't have to be a dog, as long as it is trained to perform a disability-related service.

What this means if you have an ESA

  • The Fair Housing Act itself did not change. Your landlord can still agree to your ESA, and you can still ask.
  • If a landlord says no to an untrained ESA and you file a complaint with HUD, HUD's current standard means it will not find reasonable cause against the landlord.
  • The memo says nothing in it affects your right to sue in federal or state court, which the Fair Housing Act allows within two years of the discriminatory act.
  • The memo covers Fair Housing Act complaints only. It says it does not address complaints under Section 504 of the Rehabilitation Act or the ADA.
  • HUD says it plans formal rulemaking on animal accommodations, so the rules may change again.
  • State and local fair housing laws may give you different rights. A legal aid office in your state can tell you what applies.

Public housing and HUD-assisted housing

HUD regulations for public housing and for HUD-assisted housing for older adults and people with disabilities still say the pet rules there do not apply to animals that "assist, support, or provide service to persons with disabilities" when they are needed as a reasonable accommodation. Housing authorities and owners may not enforce their pet policies against those animals. If you live in public housing or a HUD-assisted building for seniors or people with disabilities, ask your housing authority or manager for its reasonable accommodation policy in writing.

How to ask your landlord

  1. Make the request in writing if you can. You don't have to use the words "reasonable accommodation," but say clearly that you are asking for an exception to a rule because of a disability. HUD and the Justice Department say a landlord must consider a request even if it isn't on the landlord's preferred form.
  2. Say what the animal does for you. If it is trained, list the tasks it performs, such as alerting you to sounds or interrupting impulsive or destructive behavior.
  3. If your disability or your need for the animal isn't obvious, the landlord may ask for reliable information that shows you have a disability and how the animal relates to it. According to the HUD and Justice Department joint statement, this can come from you (for example, proof that you receive SSI or SSDI if you are under 65), a doctor, a peer support group, a non-medical service agency or another reliable third party who knows about your disability. Detailed medical records usually aren't needed.
  4. Keep copies of everything you send and receive, with dates.
  5. You are responsible for damage the animal causes, the same as any tenant.

If you think a landlord treated you unfairly, report it to HUD's Office of Fair Housing and Equal Opportunity online at hud.gov/reporthousingdiscrimination or by calling 1-800-669-9777. Reporting is free. HUD's rules say you must report within one year of the discrimination, or within one year of the last incident if it is ongoing. For advice on your situation, find free legal aid at LawHelp.org.

On flights

The Department of Transportation's air travel rule defines a service animal as a dog, of any breed, individually trained to do work or perform tasks for a passenger with a disability, including a psychiatric disability. The rule says emotional support animals, comfort animals, other species and service animals in training are not service animals.

For a service dog, airlines:

  • May ask the same two questions businesses can ask, and may look for signs like a harness or vest
  • May require the U.S. Department of Transportation Service Animal Air Transportation Form, plus a relief form for flights of 8 hours or more
  • May ask for the forms up to 48 hours before departure if you booked more than 48 hours ahead; if you booked closer to the flight, they can only ask you to hand the forms in at the gate
  • Must let the dog sit on your lap or in your foot space, unless that breaks safety rules or crowds another passenger
  • Don't have to accept more than two service animals per passenger
  • May refuse a dog that is a direct threat or that is disruptive (running loose, repeated barking or growling, biting, or relieving itself in the cabin or gate area), and must give you a written reason

An ESA travels under the airline's own rules. Check its pet policy and fees before you book.

Online "registries" and ESA letters

No federal rule recognizes a service animal registry or certificate. Under the ADA, a business can't require proof that a dog is certified, trained or licensed, and a certificate doesn't turn a pet into a service animal because the definition depends on the dog's training. Airlines can ask only for the DOT forms.

HUD's May 2026 memo says "an entire industry has emerged to convert pets into emotional support animals," and it cites websites selling ESA letters. One complaint HUD dismissed in April 2026 involved three emotional support animals supported by an online form letter. Paying for a registration, vest, ID card or quick online letter doesn't give you rights you wouldn't otherwise have.

Frequently asked questions

Can a landlord deny an emotional support animal in 2026?

Your landlord can still approve one. If you're denied, HUD is unlikely to help: under HUD's May 22, 2026 enforcement memo, HUD will find reasonable cause in animal complaints only when the animal is individually trained for disability-related tasks. You keep the right to sue under the Fair Housing Act, and your state's law may protect you further, so talk to legal aid if you're denied.

Is a psychiatric service dog the same as an emotional support animal?

No. A psychiatric service dog is trained to perform specific tasks related to the handler's disability, such as interrupting impulsive or destructive behavior. That makes it a service animal under the ADA and DOT rules. An animal that only provides comfort is an ESA.

Do I need to register my service dog or have it wear a vest?

No. Businesses covered by the ADA cannot require certification or other documentation. Airlines may require the DOT forms. A vest is optional, though airline staff may look for one as a sign the dog is a service animal.

Can I be charged a pet deposit or pet fee?

Businesses open to the public cannot charge a fee for a service dog, and airlines generally cannot charge for transporting one. Both can charge for damage. In housing, HUD treats requests to waive pet policies for trained animals as presumptively reasonable. For untrained ESAs, HUD's memo includes a 2025 federal court decision that upheld a landlord's one-time animal fee for an ESA when the landlord had offered a payment plan.

See our guides to HUD housing programs for people with disabilities, Section 811 housing for people with disabilities and landlord and tenant rights. If you receive or are applying for disability benefits, our guide to SSDI and SSI explains the difference. You can also use the benefit finder to see what else you may qualify for.

Sources

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