No. A Brooklyn landlord cannot legally change the locks on your apartment without a court order. It does not matter whether you are behind on rent, in a lease dispute, or subletting your unit. Changing your locks without going through Housing Court is an illegal lockout under NYC law and qualifies as tenant harassment. This applies whether you live in a rent stabilized prewar walk-up in Crown Heights, a converted loft in Bushwick, or a brownstone apartment in Park Slope.
What can my landlord actually do with my locks and keys?
Your landlord has limited, specific rights when it comes to locks and keys. Here is what is legal and what is not.
- Emergency access: A super or landlord can enter your unit without notice if there is a fire, flood, or active gas leak. That is it. Standard repair visits require advance notice, typically 24 hours.
- Duplicate keys: Some leases include a clause requiring you to provide a duplicate key. That clause is generally enforceable. However, holding a key does not give your landlord the right to enter whenever they want.
- Lock changes at move-out: After you hand over your keys and your tenancy ends, your landlord can change or rekey the lock. Before that point, they cannot touch it without your permission or a court order.
- Mailbox locks: Your landlord is responsible for maintaining a functioning mailbox lock. If yours is broken, that is a building code violation. File a complaint with HPD at 311 and document it in writing.
- Buzzer and building access: A broken buzzer or intercom is not a minor inconvenience. If your building access is compromised, that falls under the warranty of habitability. Landlords in Brooklyn Heights and Bay Ridge brownstones get HPD complaints on this regularly.
If your landlord changed your locks without permission, called the super to let in someone you did not authorize, or refused to give you a working key after a lock repair, those are all violations. Call 311, file an HPD complaint, and contact a locksmith the same day to document the existing hardware.
What are my rights if I have a roommate lock dispute or need my own lock changed?
Roommate situations in Williamsburg lofts and Bushwick shared apartments create real disputes. If a roommate changes the lock without your consent, that is also illegal in New York. Both tenants on the lease have equal right to access. A roommate cannot lock you out any more than a landlord can.
If you want to change or add a lock yourself, check your lease first. Many leases require landlord approval and a duplicate key. The safe approach is to notify your landlord in writing, make the change, and provide a duplicate key if required. A good option for this situation is the Schlage B60N deadbolt, a Grade 1 ANSI lock available at an affordable price at most hardware stores. It is easy to key to your building's system later.
For tenants in rent stabilized apartments, the rules are the same but disputes tend to escalate faster at lease renewal time. Landlords sometimes try to use a lock change or a key dispute as pressure during renewal negotiations. Document everything. If your landlord refuses to give you a functioning key after any repair or lock change they initiated, that is a harassment complaint waiting to be filed.
When a lock dispute involves a subletter, the primary leaseholder is responsible for that person's access. If you are subletting in a Crown Heights brownstone and your subtenant changes the lock on you, you have the same legal standing as a landlord in that specific relationship, and Housing Court is your route.
What should I do immediately after moving into a Brooklyn apartment to protect my locks?
Rekey or replace your cylinder before you move your belongings in. You have no way of knowing how many duplicate keys the previous tenant made. A standard rekey by a locksmith is generally one of the more affordable security steps you can take per cylinder in Brooklyn, with the cost varying by lock brand. A full deadbolt replacement using a Medeco Maxum or Mul-T-Lock MT5+ cylinder costs more but gives you a high-security restricted keyway that cannot be duplicated at a hardware store. Both are worth considering for ground-floor units in Bushwick or Park Slope.
Smart locks are another option. The Schlage Encode Plus and the Yale Assure Lock 2 both allow you to create and delete access codes without rekeying anything. They are priced in the mid-range for smart locks and are legal to install as long as your lease does not prohibit them. Always provide your landlord a code or key as required by your lease to stay compliant.
If your building has a broken buzzer or unreliable intercom on move-in, document it in writing to your landlord on day one. If it is not repaired within a reasonable time, file with HPD via 311. Building access is part of the warranty of habitability, and a documented complaint protects your security deposit if there is a dispute at move-out.
For anything beyond a basic rekey, including high-security cylinder upgrades, smart lock installation, or emergency lockout situations, call Brooklyn Locksmith & Doors at (347) 357-0985. We work throughout Brooklyn and can be on site fast when you need documentation or a same-day lock change.
Frequently asked questions
Can my landlord keep a copy of my apartment key in Brooklyn?
Your landlord can hold a key for emergency access, but NYC law prohibits them from entering without proper notice except in a genuine emergency. If your lease has a clause requiring you to provide a duplicate key, that clause is generally enforceable, but the landlord still cannot enter without notice or a court order.
What do I do if my landlord locks me out of my Crown Heights apartment?
Call 911 first. An illegal lockout is a harassment violation under NYC law. Then call 311 to file a complaint and contact a locksmith to document the lock. You can also file an emergency HP proceeding in Housing Court the same day to get back in.
Does a landlord have to rekey my apartment lock when I move in?
NYC law does not explicitly require rekeying between tenants, but the warranty of habitability covers basic security. Request a rekey in writing before move-in. If the landlord refuses, hire a locksmith to rekey or replace the cylinder yourself and deduct the cost from rent after proper written notice. Keep every receipt.
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