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Can You Get an Emotional Support Animal for Depression?

What an emotional support animal is for someone with depression, what the research on pets and depression found, how a letter for housing works, and how a psychiatric service dog differs.

Published October 23, 202610 min readBy the ESA Card Editorial Team
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A licensed professional decides whether an emotional support animal letter fits your depression, and the research on pets and depression is mixed. An emotional support animal is a companion with no task training. The law behind a housing request is the Fair Housing Act, which asks whether an impairment substantially limits a major life activity, and no list of approved diagnoses exists. This guide reports what the studies found and what the rules say, and how the letter route differs from the psychiatric service dog route. It promises no result.

An emotional support animal

A companion with no task training. A letter from a licensed professional supports a housing request.

What the research found

A 2025 review of 21 studies and 159,322 people found pet ownership was not associated with a significant change in depression risk.

A psychiatric service dog

A dog trained to do tasks, such as reminding a person to take medication, with the ADA's public access rights.

The letter

A licensed professional decides whether a letter fits you. A diagnosis alone does not settle it.

Depression can count as a disability when it substantially limits a major life activity

The Fair Housing Act's rules define a disability, which they call a handicap, as "a physical or mental impairment which substantially limits one or more major life activities," and they list "emotional or mental illness" among the mental and psychological disorders (24 CFR 100.201). The same rule names the major life activities: "caring for one's self, performing manual tasks, walking, seeing, hearing, speaking, breathing, learning and working." The HUD and Justice Department joint statement adds that "substantially limits" suggests a limitation that is "significant" or "to a large degree" (joint statement, Q3).

That makes the question about how depression affects your days, not about which label sits in a chart, and a licensed professional who evaluates you is the one who answers it. The ADA, a separate law, names the diagnosis directly: its regulation says "Major depressive disorder, bipolar disorder, post-traumatic stress disorder, traumatic brain injury, obsessive compulsive disorder, and schizophrenia each substantially limits brain function" (28 CFR 36.105). Depression is common, as the numbers below show.

21.0 million

U.S. adults had at least one major depressive episode in 2021, 8.3 percent of all adults.

14.5 million

had one with severe impairment, 5.7 percent of all adults.

61.0%

of adults with a major depressive episode received treatment in the past year.

Source: NIMH, Major Depression statistics, from the 2021 National Survey on Drug Use and Health.
A black cat asleep in a patch of sunlight on a wooden floor beside a fern

Research on pets and depression is mixed, and it covers three different kinds of animal contact

Three kinds of research get blended together online. Studies of owning a pet compare people who have animals with people who do not. Studies of animal-assisted therapy put a trained animal and handler into scheduled sessions. Studies of psychiatric service dogs follow people paired with a dog trained to do tasks. The studies below describe pet owners, programs and service dogs. They do not test emotional support animals as a category, so they cannot tell you what one will do for you.

StudyWhat was studied and what its abstract reports
Brooks 2018BMC Psychiatry. 17 studies of people living with diagnosable mental health conditions. Quantitative evidence was "mixed," with "positive, negative and neutral impacts of pet ownership." Qualitative studies described pets contributing to "the work associated with managing a mental health condition, particularly in times of crisis."
Moshfeghinia 2025Annals of General Psychiatry. 21 observational studies, 159,322 participants. Pet ownership "was not associated with a significant change in depression risk compared to non-ownership" (odds ratio 1.03, 95% confidence interval 0.995 to 1.07).
Cui 2021Journal of Public Health. 1,023 adults in Perth, Australia, followed for 2 years. Overall, "no statistically significant effects" were observed over time between dog ownership and depression (adjusted odds ratio 1.51, 95% confidence interval 0.72 to 3.16).
Sharpley 2020Journal of Affective Disorders. 7,617 adults aged 50 and older in England, followed from 2010/11 to 2016/17. People with more depressive symptoms were more likely to own a dog, but pet ownership "is not significantly associated with change in depressive symptoms over time."
Villarreal-Zegarra 2024Complementary Therapies in Medicine. 23 studies reviewed, 19 randomized trials in the meta-analysis, all in adults 65 and older. A "moderate and statistically significant effect" on depressive symptoms, with 78.9% of the studies at high risk of bias. Pet-robot interventions showed no significant effect.
Leighton 2024JAMA Network Open. 156 veterans with PTSD: 81 received a psychiatric service dog, 75 stayed on a waiting list. A nonrandomized trial. At 3 months the service dog group had "significantly lower depression scores" (odds ratio 0.45, 95% confidence interval 0.23 to 0.86). The authors' conclusion was about "military service-related PTSD."
Every figure is as printed in the study's abstract on PubMed.

Read together, the large studies of pet ownership found no reliable change in depression risk, the program studies in older adults reported moderate improvements while rating most of the studies as high risk of bias, and the service dog trial enrolled veterans with PTSD rather than people whose main diagnosis was depression. The authors of the 2018 review wrote that it "suggests that pets provide benefits to those with mental health conditions" and that "Further research is required." Whether an animal fits your life is a question for a clinician who knows you.

Give your companion the card

Register your emotional support animal in about 3 minutes. Your Certificate of Registration and wallet ESA Card arrive by email as two print-ready PDFs, backed by a 30-day guarantee.

Register My Emotional Support Animal

About 3 minutes · Instant digital delivery

30-day money-back guarantee, no questions asked.

People in the studies named comfort and the daily burden of caring for an animal

What some people described

Qualitative studies in the 2018 review described pets contributing to managing a mental health condition, particularly in times of crisis.

The daily care

The same review highlighted "the practical and emotional burden of pet ownership."

The loss

It also named "the psychological impact that losing a pet has."

What the studies did not test

None of them tested an emotional support animal as a category, so none can say what one will do for you.

A psychiatric service dog is trained to do specific tasks, and comfort alone does not count as a task

The Justice Department's service animal FAQ gives depression as an example: "A person with depression may have a dog that is trained to remind her to take her medication." The ADA defines a service animal as "any dog that is individually trained to do work or perform tasks for the benefit of an individual with a disability, including a physical, sensory, psychiatric, intellectual, or other mental disability," and says "the provision of emotional support, well-being, comfort, or companionship" does not count as work or tasks (28 CFR 36.104). The FAQ puts the line this way: the ADA "makes a distinction between psychiatric service animals and emotional support animals" (ADA.gov FAQ).

Where it mattersEmotional support animalPsychiatric service dog
TrainingNone required. ADA.gov says these animals "provide comfort just by being with a person."Individually trained to do work or tasks tied to the person's disability. The ADA lets people train the dog themselves.
Shops, restaurants and public placesNo ADA right to enter. ADA.gov notes that some state or local laws allow emotional support animals into public places, so check yours.Covered by the ADA. Staff may ask only whether the dog is required because of a disability and what task it has been trained to perform, and may not ask for documentation.
Your homeThe Fair Housing Act, supported by a letter from a licensed professional. HUD's May 2026 memo says its fair housing office now pursues only trained animals (more on HUD's rules).The Fair Housing Act. The same memo calls requests to waive pet policies for animals trained to perform specific disability-related services "presumptively reasonable."
FlightsSince January 11, 2021, airlines "are not required to recognize emotional support animals as service animals and may treat them as pets" (DOT final rule)."Psychiatric service animals are treated the same as other service animals" under the same rule, which lets airlines limit service animals to dogs.
PapersA letter from a licensed professional is what housing providers ask for.The ADA does not require certification. ADA.gov says online certification or registration documents "do not convey any rights under the ADA."

A vest, card or certificate does not turn a pet into a service dog, and no federal registry exists for either kind of animal. Training a service dog takes time and money, and our comparison of emotional support animals and service dogs and the guide to psychiatric service dogs cover wait times, costs and the tasks involved.

A golden retriever puppy asleep on a mustard knit blanket, chin on its paws
A ginger kitten sitting in the sun with one paw lifted, looking up
A corgi rolled onto its back on a bed, paws in the air, grinning

The Fair Housing Act is the law behind a housing request, and HUD's 2026 memo changed which complaints it pursues

The Fair Housing Act counts "a refusal to make reasonable accommodations in rules, policies, practices, or services, when such accommodations may be necessary to afford such person equal opportunity to use and enjoy a dwelling" as discrimination (42 U.S.C. 3604(f)(3)(B)). A request to keep an animal in a home with a no-pets policy is usually made as a reasonable accommodation request.

HUD changed how it enforces the law, not the law itself. It withdrew its 2013 and 2020 assistance animal notices, effective September 17, 2025, and since May 22, 2026 its fair housing office pursues an animal complaint only when the animal is trained to do disability-related work or tasks. The Fair Housing Act, the right to go to court, and state laws did not change. What HUD's change means is explained on its own page, and the guides to pet deposits and to Section 8, public housing and assisted living cover the next questions.

A housing request for an emotional support animal because of depression usually follows five steps

  1. Start with the professional you already see, if you have one. Whether a letter fits is their decision, and a diagnosis alone does not settle it.
  2. If you do not have one, a live video evaluation with a licensed professional is another route. The professional decides whether a letter fits, and the page on how the ESA letter works lays out the process.
  3. Make the request in writing. The joint statement says you need not "mention the Act or use the words 'reasonable accommodation.'" Say you are asking for an exception to the animal policy because of your disability, and attach the letter. A sample letter shows what one contains.
  4. Expect a short list of questions. A housing provider may ask for "reliable disability-related information" that verifies the disability, describes the accommodation and shows the link between them, and the joint statement adds that "in most cases, an individual's medical records or detailed information about the nature of a person's disability is not necessary" (joint statement, Q18).
  5. Add an ID card only if you want one. The ESA Card photo ID card and certificate is a convenience, and no law requires one.
A licensed professional decides whether an emotional support animal letter fits your depression. No list of approved diagnoses exists, and the Fair Housing Act's test is whether an impairment substantially limits a major life activity such as sleeping, learning or working.

Other conditions have their own guides: anxiety, PTSD and veterans, ADHD and autism, and the overview of which conditions an emotional support animal letter can cover puts them side by side.

These are the studies, rules and notices every line above comes from

Give your companion the card

Register your emotional support animal in about 3 minutes. Your Certificate of Registration and wallet ESA Card arrive by email as two print-ready PDFs, backed by a 30-day guarantee.

Register My Emotional Support Animal

About 3 minutes · Instant digital delivery

30-day money-back guarantee, no questions asked.

If depression ever turns into a crisis, the next step is a person, not a letter. Call or text 988 to reach the 988 Suicide & Crisis Lifeline, free and confidential, 24/7 across the US, or text HOME to 741741 for the Crisis Text Line.