# Support Animal > Expert guides on emotional support animals: ESA letters, housing rights, travel rules, and state-by-state laws — reviewed for accuracy. ## Markdown variants - Every state, city, and article page has a markdown twin: drop the trailing slash and append `.md` (e.g. /blog/california-emotional-support-animal/san-francisco.md). Links below point at the markdown variants. ## State ESA Guides - [ESA Laws in Arizona](https://supportanimal.com/blog/arizona-emotional-support-animal.md): housing rights, statutes, and city guides - [ESA Laws in California](https://supportanimal.com/blog/california-emotional-support-animal.md): housing rights, statutes, and city guides - [ESA Laws in Florida](https://supportanimal.com/blog/florida-emotional-support-animal.md): housing rights, statutes, and city guides - [ESA Laws in New York](https://supportanimal.com/blog/new-york-emotional-support-animal.md): housing rights, statutes, and city guides - [ESA Laws in Pennsylvania](https://supportanimal.com/blog/pennsylvania-emotional-support-animal.md): housing rights, statutes, and city guides - [ESA Laws in Texas](https://supportanimal.com/blog/texas-emotional-support-animal.md): housing rights, statutes, and city guides ## Articles - [Can an HOA or Condo Board Deny an ESA?](https://supportanimal.com/blog/articles/can-an-hoa-deny-an-emotional-support-animal.md): Associations are housing providers under federal rules, and the accommodation duty reaches common areas. What a board may decide, and what it may not. - [Can a Landlord Evict You Over an ESA?](https://supportanimal.com/blog/articles/can-you-be-evicted-for-an-emotional-support-animal.md): Eviction over the animal itself and eviction over what the animal does are two different cases. Where the line sits, and what to do when a notice arrives. - [Can a Child Have an Emotional Support Animal?](https://supportanimal.com/blog/articles/emotional-support-animal-for-a-child.md): Federal housing rules cover a disability of anyone residing in the dwelling, which includes a minor. Who requests it, who documents it, and where it stops. - [My Roommate Is Allergic to My ESA. Now What?](https://supportanimal.com/blog/articles/esa-and-roommate-allergies.md): Two housemates, one unit, and a landlord caught in the middle. How federal housing rules handle an assistance animal against a documented allergy. - [Emotional Support Animals in College Dorms in 2026](https://supportanimal.com/blog/articles/esa-in-college-dorms.md): A dorm room is a dwelling under fair housing rules. What HUD's withdrawn guidance changed for campus ESA requests, and the three routes students still have. - [ESAs in Public Housing and Section 8: What Applies](https://supportanimal.com/blog/articles/esa-in-public-and-section-8-housing.md): Assisted housing runs its own pet rulebook — and federal regulations lift assistance animals out of it. Here is which rule governs which program. - [How Long Is an ESA Letter Good For?](https://supportanimal.com/blog/articles/how-long-is-an-esa-letter-good-for.md): No federal rule stamps an expiry date on an ESA letter. Here is what actually decides whether yours still holds up, and when it genuinely needs refreshing. - [How to File a Fair Housing Complaint Over an ESA](https://supportanimal.com/blog/articles/how-to-file-an-esa-discrimination-complaint.md): The federal complaint regulations spell out who may file, what to include, where it goes, and how long you have. A step-by-step read of 24 C.F.R. part 103. - [How to Qualify for a Psychiatric Service Dog in 2026](https://supportanimal.com/blog/articles/how-to-qualify-for-a-psychiatric-service-dog.md): Qualification rests on a disability plus a dog trained to perform a task. No paperwork creates the status. Here are the tasks, the training bar, and the rules. - [How to Verify an ESA Letter: A Guide for Housing Providers](https://supportanimal.com/blog/articles/how-to-verify-an-esa-letter.md): What you may lawfully ask, what you may never ask, how to check a licence in two minutes, and how to confirm a letter is genuine without touching medical detail. - [Landlord Says Your ESA Letter Is Fake? Do This](https://supportanimal.com/blog/articles/landlord-says-esa-letter-is-fake.md): What a housing provider may verify, what it may never ask, and how to tell whether the objection is a legitimate reliability problem or an unlawful demand. - [Does an ESA Letter Work in Another State?](https://supportanimal.com/blog/articles/moving-to-a-new-state-with-an-esa.md): The federal floor moves with you. The state layer does not. What to sort out before an interstate move, from documentation rules to deposit caps. - [A Business Turned Away My Psychiatric Service Dog](https://supportanimal.com/blog/articles/psychiatric-service-dog-denied-entry.md): The ADA regulations give businesses two questions, four removal grounds and no right to paperwork. What to say at the door and what to do afterwards. - [Which Animals Can Be an ESA, and How Many Can You Have?](https://supportanimal.com/blog/articles/what-animals-can-be-an-esa.md): Federal housing law names no species and sets no numeric cap. What it does require is a separate documented need for each animal you ask to keep. - [What Conditions Qualify for an Emotional Support Animal?](https://supportanimal.com/blog/articles/what-conditions-qualify-for-an-esa.md): There is no federal list of approved diagnoses. Qualifying turns on an impairment, a substantially limited life activity, and a documented need for the animal. - [Where Can You Take an ESA? Hotels, Stores, and Transit](https://supportanimal.com/blog/articles/where-can-you-take-an-esa.md): An ESA letter is a housing document, not an access pass. Here is what hotels, shops, buses, and airlines may legally do — and where the animal is protected. - [Can a Landlord Deny an Emotional Support Animal?](https://supportanimal.com/blog/articles/can-landlord-deny-emotional-support-animal.md): Yes, but only in narrow cases: a direct threat, substantial damage, undue burden, or an exempt dwelling. Here's what landlords can't use as an excuse. - [ESA Housing Rights: What the Fair Housing Act Guarantees](https://supportanimal.com/blog/articles/esa-housing-rights-fair-housing-act.md): How the Fair Housing Act protects ESAs: the reasonable accommodation duty, what a landlord may ask, banned fees, exemptions, and how to file a complaint. - [ESA vs. Service Dog: The 7 Differences That Matter](https://supportanimal.com/blog/articles/esa-vs-service-dog.md): Emotional support animals and service dogs have different training, access rights, housing protections, and documentation. Here is exactly how they differ in 2026. - [Flying With a Psychiatric Service Dog: 2026 Airline Rules](https://supportanimal.com/blog/articles/flying-with-psychiatric-service-dog.md): Psychiatric service dogs fly free in the cabin under DOT rules. Here's the qualification standard, the required form, and airline-by-airline steps for 2026. - [How to Get a Legitimate ESA Letter Online in 2026](https://supportanimal.com/blog/articles/how-to-get-esa-letter.md): A legitimate ESA letter comes from a licensed provider after a real evaluation. The process, the red flags, and how a landlord can check that a letter is genuine.