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What it is: An ESA letter is a clinical document from a licensed provider that supports your right to request reasonable housing accommodations under the Fair Housing Act (FHA).
Who can write it: Your primary care doctor can write one, but many people find licensed mental health professionals are more familiar with ESA letters.
What it must include: The provider's license details, signature, and date, plus their professional opinion that an ESA is part of your treatment ā not your specific diagnosis.
Timing: Some states, including California, require two consultations 30 days apart, so timelines vary by state.
If your doctor says no: You can start your ESA assessment with a licensed mental health professional through Pettable.
Emotional support animals (ESAs) are becoming increasingly prevalent in the United States, and for very good reasons. ESAs can help people with mental conditions such as depression, anxiety, phobias, bipolar disorder, post-traumatic stress disorder (PTSD), schizophrenia, and more.
Studies show that animal interaction helps to decrease depression and improve mood in individuals with mental health disorders. But pet owners living with mental health conditions already know the benefits their animals can bring. Another study demonstrates how being around animals helps reduce fear and anxiety.
If you have a pet and you know that they bring comfort to your mental health symptoms, then you could consider seeing if they qualify as an ESA. However, you canāt just call your pet an ESA; there are some steps that you need to take to make it official.
This guide covers what an ESA letter is, who can write one, how to get an ESA letter from your doctor, and what to do if they say no.
What Is an ESA Letter?
An ESA letter is a clinical document written by a licensed mental health practitioner (LMHP) that confirms that a person has a mental disorder and recommends an ESA as part of their treatment. You must have a legitimate ESA letter to qualify your animal as an ESA.
An ESA letter is necessary for people with ESAs to prove that their animal is, in fact, an ESA. A vest or certification card will not be sufficient to prove ESA status. Service animals are protected by the Americans with Disabilities Act (ADA), but emotional support animals are not.
The federal law that governs ESAs is the Fair Housing Act (FHA). The FHA prohibits discrimination against people with disabilities in most housing situations, and this law applies to ESA owners, too.
ESA letters give you the right to request reasonable housing accommodations, including waiving pet fees, even under "no-pet" housing policies. However, in Henderson v. Five Properties LLC (July 2025), courts ruled that a pet fee waiver for an ESA is not automatic. Instead, you may need to show the fee waiver is necessary and reasonable.
Who Can Write an ESA Letter?
For your ESA letter to be legitimate and legal, only certain professionals can write it for you. A general practitioner or a family doctor can technically write your ESA letter. You can certainly ask your primary care physician to write it for you. However, they are not as well-versed in mental health as licensed mental health practitioners (LMHPs) and may not be familiar with the format of ESA letters.
Licensed mental health practitioners are therapists, psychiatrists, psychologists, and licensed clinical social workers trained in emotional and psychological conditions. A family doctor who has known you for some time and is familiar with your mental health may be willing to write your ESA letter. However, it is more common for mental health professionals to provide this service since they specialize in mental health disorders.
LMHPs are qualified to write ESA letters and evaluate your mental health via telehealth. However, other telehealth providers can technically write them if they know about your mental health disability.
What an ESA Letter Must Include
A legitimate ESA letter must include the following:
The provider's license type, number, state, and signature, on professional letterhead and dated
Your full legal name
The provider's professional opinion that an ESA is part of your treatment plan and would help to alleviate symptoms
Confirmation that you have a disability that limits one or more major life activities
The letter does NOT need to disclose the specific diagnosis.
If you have already received an ESA letter that doesn't include all the criteria, it may not be valid.
States With a 30-Day ESA Rule
Five states currently require at least a 30-day client-provider relationship before providers can write you an ESA letter: California, Montana, Louisiana, Iowa, and Arkansas. In these states, you must have an established client-provider relationship and complete two consultations about 30 days apart.
In other states, most clients receive their letter within 24ā48 hours. Pettable does offer a 24-hour turnaround for an additional fee (subject to availability and state laws). It's always a good idea to stay up to date on your specific state's ESA laws, so you know what is required.
How to Get an ESA Letter from Your Doctor
Once you know who can write your letter, the process comes down to three steps: preparing, talking it through, and following up.
First things first, you will want to prepare for your appointment. You will want copies of your medical records and any other documents supporting your request for an ESA letter. You may not need all of your medical records, but you will want to have any that cover your mental health. For example, this would include things like your diagnosis and any previous treatment with counselors or records from a psychiatrist.
It's also a good idea to list ways your animal helps you with your condition. You could write down specific ways they support you. Or jot down some examples of them providing comfort during stressful situations. You will use these documents to present a clear picture to your doctor showing your need for an ESA.
What to Discuss During the Appointment
Once you are at your appointment, you want to be completely honest and transparent about your condition and how your animal helps you. You will want to express the reasons why you would benefit from your animal becoming an ESA. You will also need to explain in detail some of your symptoms and talk about how the animal may help to alleviate those symptoms. This is why it is nice to have a list of examples so that you will feel confident discussing them with your doctor.
It can also help to share practical context. A good example could be talking about your current living situation and any pet restrictions or pet fees you are currently facing. You could even explain how your ESA living with you is necessary for your overall mental well-being. Some doctors might not even know about ESAs or the need for an ESA letter, so it is good to discuss everything you think is important to consider.
At the end of the day, it's just crucial to be honest with your doctor. If they say no and don't feel comfortable, don't take it as the end of the road. Know that you can always contact another medical professional who may be better equipped to determine your need for an ESA.
Follow-up and Final Steps
If your doctor agrees to write your ESA letter, it's important that your doctor includes all the information required for the ESA letter to work for housing. Double-check that it includes everything listed in the section above.
Once you have your letter, you can take it to your landlord or potential landlord and ask for reasonable accommodation so that you can live with your ESA. Remember, your landlord has the right to verify your ESA letter, which is why it's important that the doctor's information and licensing number are on the letter so that they can verify it.
How Long Does It Take to Get an ESA Letter from Your Doctor?
The timeline depends on whether you go for an in-person visit or have telehealth appointments. Let's take a look at both options.
In-person visits
Getting an ESA letter from a doctor can take anywhere from a couple of days to a couple of months. It really varies. It also depends on how familiar you and your doctor are with each other and how well they know your mental health.
You could have to wait for appointments to be available, as well as adhere to different rules in each state. Some states require you to have a working relationship with your professional at least 30 days before an ESA letter can be written. If you are new to the doctor, it could take at least a month to qualify in those states.
Telehealth
Using telehealth can really speed things up. Let's say you are in a state that requires a 30-day prior client-therapist relationship. However, your doctor is only in the office on Tuesdays and Thursdays, so you can only meet up with them once a month due to both of your schedules.
Now, you are looking at a few months before you can get your ESA letter. But, with telehealth services, you would not have to wait that long.
Some legitimate online ESA letter service providers can help you speed up the process. They follow every state's specific guidelines and the federal FHA's laws. An online service like Pettable can set you up with an LMHP who can do your assessment over video and, if they determine you qualify, can write your ESA letter. Most clients receive their letter within 24ā48 hours, though some states require a 30-day process. You'll also be working with a professional who knows about ESAs and the requirements in your state.
What to Do If Your Doctor Won't Write an ESA Letter
Sometimes, a doctor might say no because they simply don't feel comfortable writing your ESA letter for you. They may be unfamiliar with the laws on ESAs and are uncomfortable creating one. Or they may lack special training in emotional support animals and do not want to make a diagnosis without proper training. A doctor might not want the added burden of dealing with a landlord during verification purposes. There are many reasons why a doctor might choose not to write your ESA letter.
If a doctor tells you no, that's okay. You can always seek a second opinion from a licensed mental health professional. Or you could work directly with a legitimate online ESA service provider like Pettable to get connected to LMHPs who are trained to assess for ESAs and, where appropriate, write ESA letters.
Your Options for Getting an ESA Letter
You can go a couple of different routes when trying to figure out how to get an ESA letter from a doctor. For one, you can ask your family doctor, but they simply may not feel comfortable writing an ESA letter for you even if they know your medical history.
Next, you can reach out to an LMHP near you who specializes in mental health conditions. But remember, it's always a good idea to bring any medical history and facts about how your ESA provides your symptom relief. Just be open and honest with the doctor, and if they still say no for whatever reason, then you can always find another mental health professional to get a second opinion.
The third, and often quickest, option is to reach out to an ESA letter telehealth provider. At Pettable, we connect you with an LMHP near you to provide an assessment of your situation and determine your need for an ESA. If you qualify, most clients receive their letter within 24ā48 hours, though some states require a 30-day process, and your LMHP can walk you through the requirements where you live. When you're ready, you can see if you qualify for an ESA letter.
Frequently Asked Questions
Can any doctor write an ESA letter?
Under federal ESA laws, any state-licensed provider with an established therapeutic relationship with the client can write an ESA letter. The letter must state that, in their professional opinion, an ESA is part of the treatment plan for a disability that substantially limits a major activity, without needing to disclose the specific diagnosis.
What happens if my ESA letter is rejected by a landlord?
If your landlord denies your ESA letter even though you know it is valid, you can file a complaint with the Department of Housing and Urban Development (HUD) or contact a lawyer for more help.
However, because HUD has narrowed its 2026 enforcement, a federal HUD complaint may be slower or less certain than a state agency or private FHA claim for an ESA.
HUD now prioritizes assistance animals individually trained to perform a task over those that solely provide emotional support. However, the FHA itself hasn't changed, and its protections remain in force.
How long is an ESA letter valid for?
In general, an ESA letter does not expire. However, some states have their own regulations on renewing ESA letters. Some housing authorities may require you to get an updated version once a year. It's always best to check with your specific state's legal requirements and your housing authorities' rules.
Can I get an ESA letter online?
Yes, you can get an ESA letter online, but you must be cautious. Many ESA letter scams claim to give you an ESA letter right away, and these scams should be avoided. You will only want to consult legitimate ESA letter providers. These companies connect you with LMHPs who will conduct an assessment and, if appropriate, write your ESA letter. Pettable is an example of a legitimate ESA letter provider.
Yes, a nurse practitioner can write an ESA letter if they hold an active license in your state, have an established client-provider relationship, and knowledge of your mental health disability.
Can a pediatrician write an ESA letter?
Yes, a pediatrician can write an ESA letter for minors within their practice with the same clinical-relationship caveat as other provider types.
Can a psychiatrist write an ESA letter?
Yes. Because their specialty is mental health care, psychiatrists are among the best-qualified providers to write one.
Can a telehealth provider write my ESA letter?
Yes, a telehealth provider can write your ESA letter if they are licensed in your state and the evaluation meets that specific state's telehealth requirements for establishing a clinical relationship. Pettable uses this exact model.
What if my doctor says no?
If your doctor says no, reach out to a licensed mental health professional with ESA evaluation experience, such as through Pettable's assessment.
Does my doctor need to meet specific criteria to write the letter?
The doctor must have a valid state license to practice in the state where the letter is issued. The doctor must have diagnosed you with a mental health condition listed in the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). It's typically an LMHP who writes an ESA letter, as they have a mental health background and feel more comfortable diagnosing you with a mental health disorder and writing ESA letters.
It helps to bring any prior diagnosis with you to your appointment to show that you have a qualifying disorder. If your doctor does not feel comfortable, then they may be able to refer you to an LMHP, or you can reach out to an online reputable ESA letter provider.
Alicia Ramella is a freelance writer specializing in mental health and wellness. She has been writing professionally for over three years in this space. Her work has been featured on reputable sites like WEBMD.com and many other health and wellness websites.
Alicia is also a life coach, a podcaster, and a nutrition nut with a background in psychology. She plays with her two children in her free time and enjoys music, gardening, and nature.
