Rekey or Replace Your Locks After Moving Into an NYC Apartment?

In New York City, apartment turnover is fast. Landlords often re-rent units within days of a previous tenant leaving, which doesn't always leave time for a full lock change. City law gives tenants the right to change their locks — but it doesn't guarantee it's been done for you before you arrive. Even in buildings with doormen and key fob systems, your individual apartment lock is your last line of defense. The moment you sign a lease and get your keys, the clock starts on your personal security window.

It's also worth noting that NYC leases typically require you to provide your landlord with a copy of any new key if you change the locks yourself — so this isn't a stealth operation. The smart move is to work with a professional from the start, document the change, and hand over that landlord copy properly. That way you're protected legally and physically.

Rekeying is the process of reconfiguring the internal pins of a lock cylinder so that old keys no longer work and a new key operates it. It does not involve replacing the hardware — the lock body, the door knob lock or lever, and the mortise lock case all stay in place. A skilled locksmith disassembles the cylinder, replaces the pin stack to match a new key cut, and reassembles everything. The result is a lock that's functionally new in terms of access, at a fraction of the disruption of a full replacement.

Rekeying is the right call when your existing locks are in good mechanical condition, are a quality brand (Schlage, Kwikset, Medeco, and similar), and fit the door properly with no signs of tampering or forced entry. It's particularly common with mortise lock setups — the heavy-duty, recessed lock mechanism standard in older NYC apartment doors and brownstones. A mortise lock is built into the door itself rather than bolted through it, making it sturdier and more pick-resistant than a standard cylindrical lock. If yours is in good shape, rekeying preserves that investment while wiping the access history clean. This is often the fastest solution, and our team carries the tools and cylinders to rekey most common lock types on the spot.

There are situations where rekeying simply isn't enough — or isn't possible. If your door knob lock is visibly worn, wobbly, or shows scratch marks around the keyway (a sign of picking attempts or heavy use), replacing the entire unit is the responsible choice. The same applies if the lock is an outdated single-cylinder deadbolt with no anti-pick, anti-bump, or anti-drill features. NYC's older housing stock is full of locks that were adequate decades ago but don't meet today's security standards.

A full lock replacement also makes sense if you want to upgrade your setup entirely — for example, swapping a basic door knob lock for a Grade 1 deadbolt, adding a second deadbolt for double protection, or installing a high-security mortise lock with a reinforced strike plate. Building owners, co-op shareholders, and anyone converting a unit for short-term rental may also want commercial-grade hardware that logs entry or integrates with a smart access system. Our team handles everything from a single residential cylinder swap to a full commercial locksmith installation on multi-unit entry systems — and we'll give you an honest recommendation based on what's actually on your door, not upselling you on hardware you don't need.

One of the most common questions we hear — right alongside 'How much does a local locksmith charge?' and 'What is the average call-out fee for a locksmith?' — is simply: what will this cost me? The honest answer is that it depends on several real variables, and any quote given without knowing those variables is a guess at best. Factors that influence the final price include the type of lock involved (a standard door knob lock costs less to rekey than a high-security mortise lock with a restricted keyway), the number of locks being serviced, the time of day (an emergency locksmith call at 2 a.m. on a Sunday is priced differently than a scheduled midday appointment), the specific neighborhood and travel distance, and whether any parts — cylinders, pins, new hardware — need to be sourced.

We know questions like 'How much does it cost to change a door lock?' and even international queries like 'How much does it cost to change a door lock in Dubai?' or 'How much does it cost to book an emergency locksmith in Dubai?' show up because people are trying to benchmark what fair pricing looks like. For NYC specifically: the range is real and varies widely depending on those same factors. What we commit to at Empire Locksmith NYC is confirming an exact, up-front price before any work begins — no surprise charges when the job is done. If you want a real number for your specific situation, the fastest way is to call us directly at (646) 798-1959 and describe your lock and location. We'll give you a straight answer.

A question that comes up often, especially among renters who've been burned by a bad experience: 'Does NY require a locksmith license?' New York City does have licensing requirements for locksmiths operating within the five boroughs — locksmiths must hold a valid NYC License from the Department of Consumer and Worker Protection. When you hire a professional service, you should be working with trained, experienced technicians who operate within that framework. Our team at Empire Locksmith NYC is insured and professional, and we're transparent about our credentials on request.

In practice, what that means for you as a customer: when our technician arrives, they'll assess the lock, confirm what work is needed, give you the price, and only proceed once you've approved it. For a standard rekey or replacement on a mortise lock, most jobs are completed in under an hour. For a commercial locksmith installation — say, a multi-point locking system on a storefront in Midtown or a master key system for a building in Astoria — the assessment and installation take longer, and we'll walk you through the timeline before we start. No vague estimates, no 'we'll see when we get there' surprises. Whether it's a routine rekey or a same-day emergency locksmith call because you're locked out on moving day, the process is the same: clear, professional, and on your schedule. Call us any time at (646) 798-1959 — we're available 24 hours a day, 7 days a week, including holidays.

Empire Locksmith NYC is a 24/7 mobile locksmith serving all five boroughs and surrounding areas. Whether you're a first-time renter in the Bronx, a co-op owner in Park Slope, or a business operator on the Upper East Side, here's a specific look at what our team handles every day:

Residential Services: Apartment lock rekey | Mortise lock installation and repair | Deadbolt installation (single and double cylinder) | Door knob lock replacement | High-security lock upgrades (Medeco, Schlage, Mul-T-Lock) | Master key system setup for multi-family buildings | Smart lock and keypad installation | Mailbox lock replacement | Window lock installation | Gate lock installation | Lock-out service with ownership verification | Broken key extraction | Door frame and strike plate reinforcement | Peephole installation | Key duplication (including restricted key systems) Commercial Locksmith Services: Commercial-grade mortise lock installation | Storefront door lock replacement | Panic bar and exit device installation | Access control system installation | Electronic keypad and card reader setup | Master key and grand master key systems | Safe installation and combination changes | File cabinet and desk lock repair | Padlock and hasp installation | Roll-up gate lock service | Re-keying after employee turnover | Emergency locksmith response for business lockouts | Intercom and buzzer entry system coordination | High-security cylinder upgrades for commercial doors | After-hours emergency locksmith dispatch citywide