Broken Key Extraction
A snapped key lodged inside your lock is one of those problems that seems small until it isn't — suddenly you're locked out of your apartment on a cold January night in the middle of the Financial District, or stuck outside your Midtown office with a full day of meetings ahead. The fragment can jam the cylinder completely, making the lock impossible to operate even with a spare key. Attempting to dig it out yourself with a pen cap, a kitchen knife, or a pair of tweezers almost always makes the situation worse, pushing the broken piece deeper into the keyway or scratching the cylinder so badly that the entire lock needs replacing.
Open 24 hours, 7 days a week · Licensed, bonded & insured
“Seaman Locksmith NYC specializes in removing keys snapped off inside locks — from vintage mortise lock cylinders in pre-war Brooklyn brownstones to modern high-security door knob lock sets in Manhattan high-rises. Our mobile technicians come directly to your location anywhere across New York, arriving fully equipped so the job gets done on the spot. We operate 24 hours a day, seven days a week, and every technician on our team is trained, experienced, and insured. The goal is always to recover the broken fragment with zero damage to your lock hardware so you can be back inside as quickly as possible.
What we do
Available 24/7
Day, night, weekends and holidays — a real local locksmith answers and rolls a fully-stocked van.
Fast local response
Based in New York, we reach the New York area in well under an hour.
Insured & background-checked
Vetted technicians, up-front pricing, and no surprise add-ons when we arrive.
Damage-free entry
We pick and bypass locks the right way, so most lockouts are solved without drilling anything.
More about our work
Everything you need to know about how we help — at a glance.
Why Keys Snap — and Why the Lock Type Changes Everything
Keys break for predictable reasons: metal fatigue from years of daily use, a lock cylinder that has seized from lack of lubrication, a momentary lapse of patience when the lock feels stiff, or a key that was cut on worn-out equipment and was never quite right to begin with. New York's climate makes things worse — freeze-thaw cycles expand and contract both the key and the cylinder, and the humidity that rolls off the East River in summer accelerates corrosion inside lock bodies that haven't been serviced in years. When a key finally gives way, it rarely snaps cleanly at the bow. More often it breaks deep inside the keyway, leaving only a few millimeters of metal exposed — or nothing at all.
The type of lock involved matters enormously to the technician who responds. A mortise lock — the kind found in the vast majority of older New York City apartment buildings, co-ops, and commercial spaces — has a long, rectangular cylinder that sits inside a pocket machined into the door edge. The keyway on a mortise lock tends to be narrow and more complex, which both makes extractions more delicate and makes DIY attempts more likely to cause cylinder damage. A standard cylindrical door knob lock presents a different geometry, and an automotive lock is different again. Each requires its own set of extraction tools and techniques. Our technicians train on the full range of hardware you'll encounter across New York's incredibly diverse building stock — from 1920s cast-iron mortise hardware in the West Village to modern Schlage or Kwikset cylindrical sets installed in new Astoria condos.
Our Broken Key Extraction Process — Damage-Free Where Possible
When you call us, a mobile technician heads to your location with a kit that includes needle-nose extraction hooks, spiral extractors, broken key pullers, and the lubrication tools needed to ease a seized cylinder before any attempt is made. The first step is always assessment: examining the keyway under a high-lumen light to locate exactly where the fragment ends, whether it has rotated inside the cylinder, and how much working room exists. Lubricating the cylinder before touching the fragment loosens any corrosion or debris that might be gripping the broken piece and significantly improves the odds of a clean, single-pass extraction.
Whenever the geometry allows, we use a hook extractor to catch the biting edge of the broken fragment and slide it straight out along the keyway warding. On deeper breaks or rotated fragments, a spiral extractor may be threaded alongside the key piece so it grips as it's withdrawn. The goal throughout is to protect the cylinder — particularly important with a quality mortise lock, where the cylinder itself is expensive and the surrounding lock body is often irreplaceable antique hardware. We will always tell you honestly before we begin if the lock condition or the depth of the break means that extraction carries a real risk of cylinder damage, and we will confirm your exact up-front price before any work starts.
Emergency Locksmith Response Across New York — Mortise Locks, Commercial Doors, and More
Broken key emergencies don't follow business hours, and neither do we. Whether it's 2 a.m. outside a walk-up in Washington Heights or noon at a commercial property on the edge of the Garment District, our 24/7 dispatch connects you to a technician who is already mobile and already stocked with the tools for the job. New York's density means our technicians navigate all five boroughs daily — they know the difference between a Harlem brownstone's original mortise lock hardware and the rekeyed cylinders you find in post-renovation Bushwick loft buildings, and they arrive with the right extractors for each scenario.
Commercial locksmith situations deserve special mention. A broken key in the front door of a restaurant before the lunch rush, a snapped key in a server-room mortise lock, or a fragment lodged in a loading-dock door knob lock can all have real business consequences. Our commercial clients across Manhattan and the outer boroughs count on fast response and the ability to re-cut or rekey on the same visit when the original key is no longer usable. If you are facing exactly that situation right now, call (646) 791-4163 — we answer 24 hours a day and dispatch immediately.
After the Extraction — Rekeying, Replacement, and Prevention
Once the broken fragment is out, we assess the cylinder for wear before declaring the job done. A cylinder that allowed a key to snap inside it — especially a mortise lock cylinder that hasn't been serviced in several years — often shows signs of internal wear that make a repeat incident likely. In many cases, rekeying the existing cylinder and cutting a fresh key is all that's needed. In others, particularly where the cylinder warding is worn or the key breaks happened multiple times, we recommend a full cylinder replacement and carry the hardware on our van to complete it the same visit.
Prevention is straightforward: lubricate your lock cylinder with a dry graphite spray or a purpose-made lock lubricant once or twice a year, never force a key that feels stiff, and have a second key cut from the original rather than from a copy-of-a-copy. If your key blank has worn down visibly at the bow, replace it before it breaks. For New York property owners managing multiple units, a regular service visit to inspect and lubricate door hardware — especially older mortise locks — can prevent extraction calls entirely. Ask our team about maintenance schedules when you call.
Frequently asked questions
How much does a NYC locksmith cost for broken key extraction?+
There is no single flat figure because several factors shape the final price: the type of lock involved (a multi-lever mortise lock requires more time and specialized tools than a basic door knob lock cylinder), the time of day since after-hours and overnight calls carry different rates, travel distance to your location within the New York area, and whether any parts — such as a replacement cylinder or a freshly cut key — are needed after the fragment is removed. What we do guarantee is transparency: a technician confirms an exact up-front price before any work begins, so there are no surprises on the invoice.
How much is the average locksmith charge for an emergency call in New York?+
An emergency locksmith charge reflects the immediacy of the response, the complexity of the work, and any materials used. For broken key extraction specifically, a straightforward cylindrical lock during daytime hours will typically fall at a different price point than an after-midnight call on a worn antique mortise lock in a pre-war building. Rather than quoting averages that may not apply to your situation, we assess the job first and give you a firm, confirmed price before we touch anything. Call (646) 791-4163 and describe your lock type and situation — our dispatcher can give you a realistic sense of what to expect.
What are some reputable locksmiths in New York I can trust for this kind of job?+
Reputable locksmiths in New York share a few verifiable qualities: they are insured, they send trained technicians rather than subcontractors with no oversight, they provide a confirmed price before starting work, and they arrive in a marked vehicle with professional equipment. They also do not ask for your ID and then disappear to 'check the database' — a real locksmith verifies ownership on the doorstep and works transparently in front of you. Seaman Locksmith NYC checks all of these boxes. Our team is trained, insured, and mobile across all five boroughs. When in doubt, ask any locksmith for proof of insurance before allowing them to begin work.
Can you extract a broken key from a mortise lock without damaging it?+
In the majority of cases, yes — damage-free extraction is entirely achievable, especially when a trained technician responds promptly before anyone has attempted a DIY fix. The risk of cylinder damage rises when the broken fragment has been pushed deeper by improper removal attempts, when the cylinder is heavily corroded, or when the key snapped while rotated to an intermediate position. Our technicians assess each situation honestly before beginning and will tell you if the specific condition of your mortise lock means there is meaningful risk. If cylinder replacement turns out to be the better path, we carry replacement hardware on the van and can complete the job in one visit.
How much will an emergency locksmith cost if I need both extraction and a lock replacement?+
The combined cost of extraction and lock replacement depends on the lock grade and type you need — a high-security mortise lock body and matching cylinder for a commercial door costs more in parts and labor than a residential door knob lock replacement — plus the time-of-day rate and travel. We never charge a separate diagnosis fee on top of the extraction fee; the assessment is part of the service call. Before any part is ordered or installed, you will receive a single, itemized confirmed price. There are no hidden add-ons charged after the fact.
I tried using tweezers to get the broken key out myself — now it seems stuck deeper. Can you still help?+
Yes, and this is one of the most common scenarios we encounter. A fragment that has been pushed further into the keyway is harder to extract than one that was left untouched, but it is rarely impossible for an experienced technician with the right equipment. The first step is lubricating the cylinder to free any debris packed in around the fragment, then carefully probing the depth and orientation of the piece before committing to an extraction tool. Please stop any further DIY attempts — each one reduces the working room available and increases the chance that the cylinder will need to be replaced rather than saved. Call (646) 791-4163 right away and our mobile team will come to you.