Broken Key Extraction

Mortise locks are the workhorses of Brooklyn's older building stock. Walk down any block in Brooklyn Heights, Cobble Hill, or Boerum Hill and you'll find them on pre-war apartment doors, ground-floor retail spaces, and townhouse entries. A mortise lock is a complex, recessed assembly that sits inside a pocket cut into the door edge, and its cylinder — the part you insert your key into — experiences significant torque stress every time the lock is operated. When a key is already worn, when the cylinder pins are dry or corroded, or when someone forces the key at an angle because the door has settled in its frame, the blade can snap cleanly. Sometimes only a millimeter or two of the broken end protrudes from the keyway. Other times the fragment is pushed deeper inside by further attempts to turn or remove it.

The instinct to grab needle-nose pliers, a bobby pin, or a screwdriver and dig at the fragment almost always makes the situation worse. Fragments get pushed deeper, the keyway gets scratched, and delicate cylinder pins can be displaced — turning a straightforward extraction into a cylinder replacement. The correct response is to stop manipulating the lock and call a trained professional. Brooklyn Heights Locksmith technicians use purpose-built extraction hooks and broken-key extractor sets sized to the specific keyway profile of your lock. In many cases the fragment can be removed cleanly, the lock lubricated, and a new key cut on our mobile key-cutting equipment — all without removing the lock from the door.

When your call comes in to 718-928-6860, our dispatcher confirms your exact location and sends the nearest available mobile technician — typically with an estimated arrival window so you're not left guessing. Every technician arrives in a fully equipped service vehicle stocked with extraction tools, lock lubricants, cylinder picks sized for mortise, deadbolt, and door knob lock profiles, and a key-cutting machine for on-the-spot duplicates. Before any work begins, the technician assesses the situation: how deep the fragment is, whether the cylinder is jammed or simply obstructed, the brand and configuration of the lock, and the condition of the remaining key stub. You then receive a firm, up-front price confirmed before a single tool touches your lock.

The extraction itself typically involves injecting a dry lubricant to reduce friction, then using a hooked or spiral extractor to engage the cut grooves on the broken key fragment and draw it out along the natural path of the keyway. For mortise lock cylinders with tight-tolerance keyways — such as those found on many commercial-grade Medeco or Mul-T-Lock profiles common in Brooklyn commercial properties — the process requires patience and precision. If the cylinder itself has been damaged by prior forced attempts, the technician will discuss cylinder replacement options with you on the spot. Our goal is always the least invasive solution that restores full, reliable function to your lock.

A jammed cylinder is a different problem from a broken key, though the two often occur together. Cylinders jam when internal components — springs, driver pins, or the plug itself — become misaligned, corroded, or worn past their service life. In Brooklyn's coastal climate, salt air and humidity accelerate corrosion inside locks on ground-level storefronts along Atlantic Avenue and on building entries near the waterfront in Red Hook and DUMBO. A cylinder that turns stiffly today can seize entirely tomorrow. As an emergency locksmith serving Brooklyn 24/7, we respond to both scenarios: pure cylinder jams with an intact key, and combined extractions where a jammed cylinder contributed to the snap in the first place.

For commercial clients — restaurants, offices, retail spaces, medical practices — a jammed or broken-key-blocked front door is a direct revenue and safety issue. Our commercial locksmith services extend beyond simple extraction: we assess whether the lock hardware is appropriate for the door's traffic level and security requirements, advise on upgrades if warranted, and can rekey or replace the entire mortise lock assembly during the same visit if that's the most practical solution. We work with commercial-grade hardware from manufacturers including Schlage and Kwikset, as well as higher-security grade mortise bodies. All of this is coordinated through a single mobile visit — no need to schedule a separate follow-up. If you're managing a property on Fulton Street or Court Street and need a locksmith now, call 718-928-6860 — we answer every hour of every day.

One of the most common questions we hear — 'How much does a locksmith cost in Brooklyn?' or 'How much do locksmiths charge on average?' — is genuinely difficult to answer with a single number, and any service that gives you a flat number over the phone before seeing the lock is doing you a disservice. The honest answer is that the final price depends on several specific variables: the type of lock involved (a basic door knob lock extraction is a different scope of work than a high-security mortise lock cylinder); the make and model of your vehicle if it's an ignition key; the time of day, since after-hours and overnight calls involve different logistical costs; travel distance to your location within the Brooklyn service area; and whether parts — such as a replacement cylinder, new keys, or lock hardware — are needed in addition to the labor.

Questions like 'Who is an affordable locksmith in Brooklyn?', 'Who is the cheapest locksmith?', 'How much should an emergency locksmith cost?', and 'How much does an emergency locksmith cost near me?' all reflect the same real concern: you want to know what you're getting into before committing. At Brooklyn Heights Locksmith, our technician will diagnose the situation, explain exactly what needs to be done, and provide a confirmed price before any work begins. There are no surprise line items added after the job. What we quote is what you pay. We believe transparent pricing builds the kind of trust that keeps Brooklyn residents and business owners calling us back — not a race to the lowest number.

Brooklyn Heights Locksmith is a fully mobile operation covering Brooklyn's neighborhoods around the clock. Our services include: broken key extraction from residential door cylinders; broken key extraction from mortise lock assemblies; broken key removal from commercial deadbolts; jammed cylinder diagnosis and repair; mortise lock disassembly and internal component repair; mortise lock full replacement; door knob lock extraction and replacement; deadbolt rekeying after a key snap; key duplication on-site from a recovered fragment; vehicle ignition broken key extraction; car door lock broken key removal; transponder key replacement after a snap; lockout service for residential doors; lockout service for commercial storefronts; lockout service for vehicles; high-security cylinder upgrades for pre-war Brooklyn townhouses; master key system setup for multi-unit buildings; emergency lock change after a break-in; peephole installation and replacement; door frame and strike plate reinforcement; padlock removal and replacement; mailbox lock extraction and replacement; intercom-integrated lock service; access-control-compatible mortise lock installation; and post-extraction security consultations for commercial properties. If your situation involves any combination of these — for example, a broken key in a mortise lock that also needs rekeying — we handle everything in one visit.