How to Verify ESA Documentation Without Violating Fair Housing Laws

ESA compliance is one of the highest-risk areas of multifamily property management in 2026. OurPetPolicy flags between 50% and 70% of submitted ESA letters as fraudulent, yet 52.61% of all fair housing complaints still involve disability discrimination, most of it triggered by landlords who overstepped their verification rights rather than exercised them properly.

The goal is not to approve everything or deny everything. It is to verify correctly, document consistently, and stay within the boundaries the law defines.

This guide covers exactly how to do that.

The Stakes of Getting ESA Verification Wrong

ESA accommodation requests have increased 34% since 2023, and the verification landscape became more complicated in September 2025 when HUD withdrew its detailed ESA implementation guidance.

The underlying Fair Housing Act obligation remains unchanged, but operators no longer have a published federal framework to reference when evaluating documentation. That makes a consistent, written internal process more important than it has ever been.

Without one, every ESA decision becomes a judgment call, and inconsistent judgment calls are what generate fair housing complaints.

What Are You Actually Allowed to Verify?

You are legally permitted to verify that the ESA letter comes from a licensed mental health professional, that it establishes both a disability and a disability-related need for the animal, and that the provider is actively licensed in the tenant’s state.

That is the full scope of what the Fair Housing Act permits you to confirm. You are not permitted to verify the specific diagnosis, request medical records, ask about treatment history, or require the tenant to use a specific third-party screening platform as the sole path to approval.

The two questions you may ask a tenant directly are: does the person have a disability, and is the ESA needed because of that disability. Nothing beyond those two questions is legally permissible in direct tenant communication.

How to Verify a Provider’s License

License verification is the most effective single step in the ESA compliance process, and it takes less than five minutes. Every state maintains a publicly accessible licensing board database where you can confirm whether a mental health professional holds an active license.

Step-by-Step License Verification

• Locate the provider’s full name, license number, license type, and issuing state on the submitted letter
• Search your state’s professional licensing board database using those details
• Confirm the license is active and in good standing
• Confirm the license type matches what is listed on the letter
• Document the verification date, the result, and who performed it
• File the verification record with the accommodation request

If the license cannot be confirmed through the state database, that is a legitimate basis to request clarification from the tenant. It is not, by itself, a basis to deny. Give the tenant a reasonable opportunity to provide corrected documentation before making a decision.

ESA Letter: What to Check vs. What to Ignore

In order to successfully verify an ESA letter, active state license, official letterheads, date when the letter was issued are among the top parameters that need to be checked. The list below offers a clear directory of what should and should not be checked.

Check This	Do Not Ask For This
Provider’s active state license	Specific diagnosis or condition
License type matches letter	Medical records or treatment notes
Letter is on official letterhead	Proof of ESA training or certification
Tenant’s name is on the letter	Registry or certification from an online database
Disability and disability-related need are stated	History of mental health treatment
Letter is dated within the past 12 months	Referral to a specific third-party service as the only option
Provider contact information is present	Explanation of how the disability affects daily life in detail

Fraudulent vs. Legitimate ESA Letters

A fraudulent ESA letter typically comes from an online provider that issued it based on a self-reported questionnaire with no real clinical evaluation. A legitimate letter reflects an established professional relationship where the provider has actually assessed the tenant’s condition.

HUD’s position, even after the September 2025 guidance withdrawal, is that documentation from websites selling certificates to anyone who pays a fee does not meet Fair Housing Act standards.

Red Flags in ESA Documentation

Knowing what red flags to look for is the practical part of compliance. These signals indicate a letter that warrants closer examination or a request for clarification.

• No license number or license type listed anywhere in the letter
• Provider is not licensed in the tenant’s state of residence
• Language is entirely generic, such as “may benefit from emotional support” with no tenant-specific details
• The letter is undated or carries a date more than 12 months old
• Contact information on the letter leads to a registration website rather than a clinical practice
• The letter claims to certify, register, or officially designate the animal rather than recommend it as part of treatment
• A 99% approval rate or similar language is associated with the issuing provider when verified online

None of these red flags alone authorizes a denial. They authorize a request for clarification or corrected documentation, delivered in writing, within a consistent response timeline.

Third-Party Screening Services: What You Can and Cannot Require

Third-party ESA screening platforms are widely used across multifamily portfolios and can help operators standardize their processes. However, you cannot require a tenant to use a specific service as the only path to approval if the tenant has already submitted a valid ESA letter from a licensed professional.

HUD has warned housing providers not to rely solely on third-party verification services in place of proper documentation from a treating professional. You can offer third-party screening as an option. You cannot make it mandatory when a compliant letter already exists.

What to Do When You Deny a Request

Denial is legally permitted in specific, narrow circumstances: the animal poses a direct threat to health or safety based on documented individual behavior, accommodating the ESA would impose a genuine undue financial or administrative burden, or the tenant refuses to provide reasonable documentation when their disability is not apparent.

Breed, size, species, and no-pet policies are not valid grounds. Insurance carrier restrictions are not valid grounds, as fair housing law overrides a carrier’s breed preferences.

When a denial is issued, it must be in writing, cite only legally valid reasons, and avoid any language that questions whether the disability itself is real. Document the specific basis for every denial and retain that record. In any subsequent complaint or litigation, your documentation is your defense.

Consistency Is the Compliance Standard

The most defensible ESA compliance process is not the most restrictive one. It is the most consistent one. Applying different standards to different residents, approving some letters without review while scrutinizing others, or moving faster on requests from tenants who push back are all patterns that create fair housing exposure.

Every request should move through the same written process, with the same checklist, the same timeline, and the same documentation standard.

Seventeen states have introduced penalties for tenants who submit fraudulent ESA documentation, which gives property managers legal backing when fraud is confirmed.

That does not change the operator’s obligation to handle each request in good faith using a consistent process. Fraud is determined after verification, not assumed before it.

Conclusion

ESA verification done correctly is not complicated. It requires checking that the provider is licensed, that the letter meets the documentation standard, and that you ask only what the Fair Housing Act permits. What it does not require is medical detail, diagnosis disclosure, or mandatory third-party platforms.

The compliance risk in ESA management cuts both ways: too permissive and fraud goes unchecked; too restrictive and you generate fair housing complaints. A written process, applied consistently to every request, is the only reliable path between those two failure modes.

Frequently Asked Questions

What can a property manager legally verify on an ESA letter?

You can verify the provider's license through your state licensing board, confirm the letter establishes both a disability and a disability-related need, and check that all required information is present on the document.

Can a landlord require a tenant to use PetScreening or a similar service?

No. You can offer third-party screening as an option, but you cannot make it the only path to approval if the tenant has already submitted a valid letter from a licensed professional.

What makes an ESA letter fraudulent?

No verifiable license, no tenant-specific information, generic templated language, and documentation issued by an online registry with no real clinical evaluation behind it.

Can a landlord deny an ESA based on breed?

No. Breed, size, and weight restrictions cannot be applied to assistance animals under the Fair Housing Act. Denial must be based on that specific animal's documented individual behavior.

How long does a landlord have to respond to an ESA request?

Ten business days has become the industry standard response window. Indefinite delay is treated the same as denial under the fair housing law.

What happens if a landlord asks for a tenant's medical records?

That is a Fair Housing Act violation. Landlords can confirm a disability exists and that the ESA is needed because of it. They cannot request diagnoses, treatment history, or any medical records.