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How to Spot an ESA Letter Scam Before You Pay

The ESA space has a scam problem — certificate mills that take your money, hand you a PDF, and disappear when your landlord starts asking questions. The good news: they’re easy to spot once you know the tells. Run any site (including ours) through this checklist before you pay.

6 min readReviewed by the MyPetESA clinical coordination team

Red flag #1: “Instant approval” or “guaranteed approval”

A legitimate letter can only follow a clinical evaluation, and no honest clinician approves 100% of applicants. If a site promises your letter in minutes, or guarantees approval before anyone has spoken to you, the “evaluation” is theater. HUD’s own guidance warns housing providers about exactly this kind of documentation.

Red flag #2: “Registration,” “certification,” or ESA ID cards

There is no official ESA registry in the United States — none. Databases, certificates, ID cards, and vests sold online have zero legal weight. Landlords know this, and presenting a “registration number” instead of a clinician’s letter is often what triggers a denial.

Red flag #3: No named, state-licensed clinician

Your letter is only as good as the license behind it. If the site won’t tell you who will evaluate you, what license they hold, or whether they’re licensed in your state, walk away. Licensing is state-based — a clinician licensed only in Florida can’t issue a valid letter for a Colorado renter. You should be able to look the license up on your state board’s public website.

Red flag #4: Lifetime letters and no renewal talk

Housing providers commonly expect documentation issued within the last year, and honest services say so upfront. “Valid forever” is a sales line, not a legal fact.

Red flag #5: Silence about state rules

Five states — Arkansas, California, Iowa, Louisiana, and Montana — require a 30-day client–provider relationship before a letter can be issued. A site that sells a same-day California letter is selling something a landlord can invalidate with one Google search. Legitimate providers build the 30-day process in.

What a legitimate service looks like

  • A real evaluation with a named, verifiable, state-licensed clinician.
  • Honest odds: approval isn’t guaranteed, and a refund if you don’t qualify.
  • A letter with license number, state, signature, and issue date — plus a verification channel for landlords.
  • Transparent one-time pricing and clear refund terms.

Do it the legitimate way

Licensed clinicians, verifiable letters, refund if you don’t qualify.

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