Does NYC's 90-Day Pet Law Protect Your Emotional Support Animal, or Do You Still Need an ESA Letter?

No. The Pet Law protects a pet your landlord has put up with for three months, not an emotional support animal. To keep an ESA, you still need a letter that shows your need. The rule only applies in New York City, though Westchester County has one like it. Anywhere in the state, you ask your landlord for an accommodation and attach your ESA letter in New York. New York ESA laws explains how that works.

NYC 90-day pet law emotional support animal

What does NYC's 90-day Pet Law actually do?

It stops a landlord from enforcing a no-pet clause after knowingly letting a pet stay for three months. NYC Administrative Code § 27-2009.1 was passed in 1983 to end retaliatory evictions.

The 90-day waiver

The law covers buildings with three or more units. You must keep the pet "openly and notoriously" for three months, and the owner or managing agent must know. If no court proceeding starts in that window, the clause is waived for the pet or pets you already have.

What the waiver does not cover

A pet you acquire later starts a new 90 days and a new fight. The law does not automatically waive pet rent, deposits or fees. It gives nothing in the first 89 days or when the animal causes damage or a nuisance.

Where does the Pet Law stop for NYC ESA owners?

It does not reach NYCHA, buildings under three units, or condo owners in Manhattan and the Bronx.

Condos split by borough

The city's two appellate courts disagree about condo owners. In Manhattan and the Bronx (First Department), a board can enforce a no-pet rule against a unit owner. A deed is not a lease.
In Brooklyn, Queens and Staten Island (Second Department), the Pet Law applies to condos.
Co-ops are covered citywide through the proprietary lease. Board approval is its own process; see how NYC co-op boards handle an ESA request.

NYCHA and small buildings

The statute itself exempts the New York City Housing Authority, which runs its own pet policy. One- and two-family houses fall outside the "multiple dwelling" definition.

How do NYC landlords and leases handle an emotional support animal?

An NYC landlord must treat an ESA as a reasonable accommodation; a no-pet lease clause cannot refuse it. That duty comes from the Fair Housing Act and the NYC Human Rights Law. An ESA letter from RealESALetter.com, issued under New York and federal fair housing law, documents that need from day one.

No-pet clauses, the 90-day rule and an accommodation request

The Pet Law is a defense you raise after a landlord moves against you. An accommodation request works from the day it is granted, mid-lease or before you sign. Approval at one building does not bind the next landlord, but the right to ask never expires.

Make the request in writing, letter attached, and keep a dated copy. The clinician who writes your ESA letter in Manhattan does so by telehealth, so one letter serves every borough.

What an NYC landlord can and cannot do

An NYC landlord can:

  • Ask for your ESA letter
  • Verify the clinician's New York license
  • Require the animal to be under your control
  • Refuse a specific animal that is a direct threat

An NYC landlord cannot:

  • Charge pet rent or a pet deposit for an ESA
  • Apply a breed or weight limit to an ESA
  • Demand your medical records or diagnosis
  • Wait out the 90 days before "deciding"

Every RealESALetter.com letter lists the clinician's New York license number and license type, which HUD guidance lets a landlord verify. If the letter leaves a question open, the landlord may ask you to clarify it, not for your records.

Where do you get help in NYC if a landlord refuses?

Start with the NYC Commission on Human Rights, which takes housing complaints for one year after the refusal.

Who to call first in NYC

Who to call (by address)

What they do

Deadline

City of New York: Commission on Human Rights, 212-416-0197

Investigates housing discrimination under the NYC Human Rights Law in all five boroughs

1 year from the refusal

New York State: Division of Human Rights

State-law complaint; an alternative to the city filing, not a second one

3 years from the refusal

HUD New York Regional Office (FHEO, Region II)

Federal Fair Housing Act complaint

1 year from the refusal

If the notice becomes a housing court case

A pending or granted accommodation request is a defense in a holdover case. Bring your written request, the letter and the landlord's reply to the first court date. Ask for time to see the court's free legal help desk.

Conclusion

The Pet Law is a backstop for pets already in your home. For an emotional support animal in NYC, the accommodation request is the protection, in every borough and every building type. Start it before a landlord forces the question; you can check whether you qualify for an ESA.

FAQs for NYC ESA owners

What evidence shows my NYC landlord knew about my pet?

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Records that the building saw the animal. Keep dated vet bills and your NYC dog license, plus emails or texts to the super or managing agent. Doorman or camera logs and neighbors' names help if the dates are disputed.

Does a warning letter from my NYC landlord stop the 90-day clock?

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No. Manhattan's appellate court has held that only a court filing, not a notice or letter, stops the clock. A warning letter is still proof the landlord knew, so date it and keep it.

Does NYC's Pet Law cover me if I rent a Manhattan condo unit from its owner?

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Yes. The Manhattan and Bronx exception concerns a board enforcing rules against a unit owner. A tenant renting the unit has a lease, and a Manhattan court has applied the Pet Law to that lease.

Written by
Harper Jefcoat
Mental Health Writer · RealESALetter Editorial Team

Harper Jefcoat is a content writer with 10+ years of experience covering ESA laws, mental wellness, and emotional support animal benefits. As a blog author for RealESALetter, he educates readers on ESA regulations and promotes ethical documentation practices.

Reviewed By
Darren Rafel
Licensed clinical social worker, LCSW · Reviewed October 2026

Darren Rafel is a licensed clinical social worker with active LCSW licenses across 13 states, including California, New Jersey, Texas, Florida, and Arkansas. He conducts ESA evaluations with direct clinical experience using pet therapy as part of mental health treatment.

Medical disclaimer: The information on this page is for general guidance only and is not legal or medical advice. Whether the topic discussed applies to your situation should be determined in consultation with a licensed mental health professional.

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