Federal law requires most landlords to make reasonable accommodations for tenants with disabilities who rely on an assistance animal — even in no-pet buildings.
Under the Fair Housing Act, housing providers — including landlords, HOAs, and condo associations — must provide reasonable accommodations to tenants with disabilities. This means allowing an assistance animal even if the property has a no-pets policy.
The accommodation applies to the animal's presence in the dwelling and common areas. The tenant must have a disability (physical or mental) and a disability-related need for the animal. The request must be reasonable — meaning it does not impose an undue financial burden or fundamentally alter the nature of the housing.
The following housing types are generally exempt from the FHA:
An ESA letter from a licensed mental health professional (therapist, psychologist, psychiatrist). No specific format is required by law — but it must be on letterhead and signed by the provider.
No documentation required by law. Your landlord cannot require a certificate or ID. A professional ID card or letter is optional but can significantly reduce friction during requests.
A PSD letter from a licensed mental health professional strengthens your FHA housing request. PSDs also have full ADA public access rights, broadening their protections beyond housing.
The Housing Pass includes an ESA or PSD letter from a licensed professional plus a professional ID card — everything you need for a landlord request.
What HUD actually says — in plain English
“A housing provider may not deny a reasonable accommodation request because he or she is uncertain whether the person seeking the accommodation has a disability or a disability-related need for an assistance animal.”— HUD FHEO Notice 2020-01
In layman's terms: if your landlord isn't sure whether your situation qualifies, that's their cue to ask for documentation — not to deny. A letter from a licensed mental health professional resolves their uncertainty. That's exactly what an ESA letter is for: a one-page document, signed by a clinician licensed in your state, that gives the landlord the legal basis to grant the accommodation.
The same notice also makes clear that a landlord cannot demand details about your diagnosis, cannot require a specific form, and cannot charge a pet deposit or pet rent for an approved assistance animal. If your landlord pushes back, see Can a landlord deny my ESA? for the narrow exceptions where a denial actually holds up.
Public access rights (ADA) →
Where ESAs vs. service dogs vs. PSDs can go in public — different rules apply.
Side-by-side rights comparison →
How FHA, ADA, and ACAA stack up across all four animal types.
State laws and protections →
Federal law sets the floor — many states add stronger ESA and service dog protections.
How much an ESA letter saves a tenant →
Concrete savings: pet rent waivers, deposits, breed restrictions — about $920 first-year on average.
Legal Disclaimer
PawPassRx provides educational information about federal laws. This is not legal advice. Laws may vary by state and individual circumstances. For advice specific to your situation, consult a licensed attorney. Information is current as of 2026 and subject to change.
HUD — Assistance Animals (Fair Housing Act)
HUD FHEO Notice 2020-01 — Assistance Animals
24 CFR Part 100 — Discriminatory Conduct under the Fair Housing Act (full regulation)
42 U.S.C. § 3604 — Fair Housing Act (statute, Cornell LII) — specifically subsection (f)(3)(B), the reasonable accommodation requirement.
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