ESA Letters · October 2026
ESA Doctors vs Pettable: How the Two ESA Letter Services Compare
ESA Doctors
Pettable
ESA Doctors and Pettable both connect people with mental health professionals licensed in their state, who assess whether an emotional support animal (ESA) letter is appropriate. Neither issues a letter automatically: a clinician decides.
ESA Doctors has operated for more than ten years. You place an order, connect with a therapist licensed in your state, and receive a signed letter if you qualify, with a refund if you do not. It also offers psychiatric service dog (PSD) letters. Pettable starts with a short online assessment, then a live consultation by phone or video, and says letters arrive 24 to 48 hours after approval, with an express option. It notes that some states, including Arkansas, California, Iowa, Louisiana and Montana, require a 30-day clinical relationship first. It covers all 50 states plus DC and Puerto Rico.
The rules matter as much as the service. The US Department of Transportation does not treat ESAs as service animals, so airlines may treat them as pets. HUD has withdrawn its earlier assistance animal guidance, and its fair housing office now says it will pursue pet-policy complaints only for animals individually trained to perform disability-related tasks.
| ESA Doctors Our pick | Pettable | |
|---|---|---|
| Score | 9.6/10 · Outstanding | 9.4/10 · Excellent |
| Rank | #1 in ESA Letters | #2 in ESA Letters |
| Highlights |
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| Get Deal | Get Deal |
Our verdict
ESA Doctors is the better choice for most readers. It has the longer track record of the two, a straightforward process with a therapist licensed in your state, and a refund if the clinician finds you do not qualify, which makes it a low-risk way to get a professional assessment. That combination of experience and a simple process is why it leads our ranking.
Pettable is the better pick if you want a live conversation built into the process, or you need a letter quickly, since it offers an express option. Its published state-by-state requirements are also useful if you live where a longer clinical relationship is required.
Be clear about what any letter can and cannot do. A letter documents a clinician's assessment; it does not guarantee that a landlord will accept your animal, and federal enforcement now focuses on trained assistance animals rather than untrained ESAs. Airlines are not required to accept ESAs as service animals. State and local rules can differ. This is not legal advice: talk to a licensed mental health professional about your health needs, and to a housing counselor or attorney about your housing situation before relying on a letter.
Get Deal — ESA DoctorsRead the full reviews: ESA Doctors review · Pettable review · or see all our ESA Letters picks.