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Practice Notes 6 min read

Can You Just Write Me an ESA Letter?

Service animals, emotional support animals, air travel, and housing after HUD's May 2026 guidance. What I weigh before I sign.

Can you just write a letter so I can keep my dog.

I hear that a lot. It usually shows up like a small favor, almost like clearing a parking ticket. For me it is bigger than that. An ESA letter puts my name on a disability accommodation request. Patients often use “service animal” and “emotional support animal” as if they meant the same thing. In federal rules, they do not.

Service animals do a job

Under the ADA, a service animal is a dog (and in limited cases a miniature horse) trained to do work or tasks for a person with a disability. Guide work. Seizure alert. A trained action that interrupts a PTSD spiral. Comfort alone does not count as a task.

That is why a service dog can go into many public places even when pets are not allowed. If the dog’s job is not obvious, staff may ask two things only; whether the dog is needed because of a disability, and what work or task it is trained to do. They do not get a disability interview, a card check, or a command performance.

Without that task training, the ADA does not call it a service animal.

ESAs are a different lane

An emotional support animal can be many species. It is not trained for a disability-related task. Companionship can help some people feel steadier. That still does not give ADA public-access rights. A restaurant can say no.

Air travel used to feel blurrier. DOT’s service-animal rule, finalized in December 2020 and effective in 2021, defines a service animal as a task-trained dog. Airlines may treat emotional support animals as pets. A psychiatric service dog that is actually task-trained stays in the service-animal category. Flying with an ESA is mostly airline policy and planning.

Housing is where the letter used to do the most work

For years, patients heard a simpler story. With a qualifying mental health condition and a clinician letter, an ESA often got into a no-pets rental under the Fair Housing Act. HUD’s older assistance-animal guidance did a lot of the explaining for that path.

That older guidance is no longer what I write against.

On May 22, 2026, HUD’s Office of Fair Housing and Equal Opportunity put out new guidance on animals as reasonable accommodations under the Fair Housing Act. It permanently pulls back the older assistance-animal notices. FHEO also narrowed what it will take on as a federal case. Going forward, FHEO says it will find reasonable cause on animal-related accommodation complaints when the animal is individually trained to provide disability-related assistance. An untrained emotional support animal no longer sits under the same federal cover the 2020 notice gave it.

That is guidance about how FHEO will enforce, not a full rewrite of the Fair Housing Act itself. State and local rules can still differ. Private suits can still happen. Landlords and tenants are both hearing aggressive legal takes right now. I am not your landlord’s lawyer, and I am not yours.

In the exam room, the point is simpler. I will not sell a letter as a guaranteed housing key. Letter mills grew up under the old HUD notice. The federal side of that story changed in May 2026. Patients deserve that update before anyone asks me to sign.

Does the animal actually help?

People tell me the animal is why they get out of bed. I believe a lot of those stories. The research on pets and psychiatric symptoms is thinner than the marketing around it. Some small studies and reviews point toward less loneliness and more social connection. Helpful, sure. Still a long way from a treatment effect I can dose like a medication.

It can also go sideways. Severe depression, low energy, or unstable housing can turn pet care into another guilt engine. An animal has needs of its own. There is a real relationship in the middle of that.

What I check before I write anything

Is there a real treatment relationship, or is this a one-visit letter mill. States keep tightening who can issue these letters and after how much contact. Those rules exist because the shortcut version burned tenants, landlords, and people who truly need accommodations.

Can this person actually care for the animal. Is the ask about a trained task (service animal) or about companionship and housing paperwork (ESA). Does the person understand that ADA access, airline rules, and housing rules are three different maps.

If you need a trained task, that is a service-animal path. I do not recommend, approve, or place service animals. That process is long and specialized, and I am not the person who runs it. I can sometimes help with documentation a training program asks for. Assistance Dogs International has a starting guide for people looking for an assistance dog, including a search for accredited programs (https://assistancedogsinternational.org/main/looking-for-an-assistance-dog/). If you want housing flexibility for a companion animal, we talk about an ESA knowing the federal side got harder after May 2026. If you just love your dog, we can say that out loud too.

There is a running joke that psychiatric clinicians get cast as overly cooperative pet notaries. I get why the joke exists. People want someone kind, quick, and willing to clear a path. I will laugh with that for half a second. Then I remember a letter with my name on it can follow someone into a lease fight or a travel mess they did not plan for. I can be cooperative. I still have to mean the signature.

This is general information, not personalized medical advice or legal advice. Disability accommodation rules vary by setting and can change. Talk with your own clinician and, for housing or travel decisions, a lawyer who knows your facts.

This article was written in my own words with the help of Wispr Flow, a voice-to-text tool I use for drafting. Try Wispr Flow here. This is a referral link, and I may receive account credit if you sign up through it.

References

Assistance Dogs International. Looking for an Assistance Dog. https://assistancedogsinternational.org/main/looking-for-an-assistance-dog/

U.S. Department of Justice, ADA.gov. Service Animals. https://www.ada.gov/topics/service-animals/

U.S. Department of Justice, ADA.gov. Frequently Asked Questions about Service Animals and the ADA. https://www.ada.gov/resources/service-animals-faqs/

U.S. Department of Transportation. Traveling by Air with Service Animals; Final Rule. 85 Fed. Reg. 79742 (Dec. 10, 2020). https://www.transportation.gov/individuals/aviation-consumer-protection/final-rule-traveling-air-service-animals

U.S. Department of Housing and Urban Development, Office of Fair Housing and Equal Opportunity. Enforcement Guidance – Assessing Requests for the Use of an Animal as a Reasonable Accommodation Under the Fair Housing Act. Memorandum from Craig W. Trainor, Assistant Secretary for FHEO (May 22, 2026). https://www.hud.gov/sites/default/files/hudclips/documents/AS-Trainor-Enforcement-Guidance-Assessing-Requests-for-the-use-of-an-animal-as-a-reasonable-accommodation-under-the-fair-housing-act.pdf


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