Non-destructive entry first, always - and we re-key Schlage, Kwikset, and Baldwin locks on the spot while you watch
You get a price before we start. It does not change when we arrive. No surprises.
Trusted Door Lock Repair Nationwide
Door lock repair is the difference between a door that closes and a door that protects. When a latch seizes, a deadbolt grinds, or a key snaps inside the cylinder, the fix needs to be precise because the stakes are real. Dunmore Locksmith has handled residential and commercial lock repairs across the United States since 2007, which means we’ve seen nearly every failure mode a lock can produce. For a deeper look at common issues, see The Complete Door Lock Repair Guide for Los Angeles Homeowners. Every job starts with a written price you get before any work begins, and every repair is covered by our 365-Day Done Right Promise. If the repair fails within a year, we return at no charge. Call (910) 714-4287 any hour and you’ll reach a live person who can dispatch a background-checked, uniformed technician to your door.
Broken Key Extractor
Broken Key Extractor work is what we do when a key snaps off inside a lock cylinder and leaves the fragment wedged against the pins. It happens more often than people expect: a worn key, a frozen lock, or one hard turn too many. Dunmore Locksmith technicians use spiral and hook extractors matched to the keyway profile to pull the broken piece out without scoring the cylinder walls. If the cylinder is damaged, we rekey or replace it on the spot. A typical broken key extraction runs $75 to $180 depending on the lock type and whether a rekey or new cylinder is needed after the fragment comes out. You get the price in writing before the tool touches the lock.
Extraction Without Cylinder Damage
The goal is a clean pull, not a forced one. We work the broken fragment out along the keyway’s original path so the pins and wafers stay intact. If any shavings or burrs remain, we clean the cylinder and test the replacement key before we leave.
When the Cylinder Is Too Far Gone
Sometimes corrosion has pitted the inside of the lock so badly that extracting the key is only half the repair. In that case we swap the cylinder and rekey it to a fresh key, and the old key becomes an unusable piece of brass. Call (910) 714-4287 and describe the break; we’ll tell you what to expect.
Sliding Door Lock Repair
Sliding Door Lock Repair covers the latch, hook bolt, and handle hardware on patio sliders and interior pocket doors. The most common failure is a misaligned latch that no longer seats in the strike, often because the door has drifted on its rollers or the frame has shifted with seasonal temperature swings. Dunmore Locksmith technicians realign the door, rebuild or replace the lock body, and restore the secondary foot bolt or anti-lift pin if your slider has one. Expect to pay roughly $95 to $220 for a slider lock rebuild or replacement, including the written price before work starts. If the lock is beyond salvage, we’ll quote a replacement in the same visit rather than charging you twice.
Anti-Lift Protection Restored
A sliding door lock that only engages at the latch point can still be lifted out of its track. We check for anti-lift blocks, foot bolts, and jimmy plates every time we service a slider, because the repair matters less than the door staying in its frame when someone tries to force it.
Fixing the Strike and Roller Alignment
When the lock works but the door won’t stay closed, the problem is usually geometry, not hardware. We adjust the rollers and shim the strike plate so the hook bolt drops cleanly into its pocket. That one adjustment stops most slider lockouts and prevents the latch from stripping over time.
Deadbolt Repair
Deadbolt Repair addresses bolts that won’t throw, turn only halfway, or spin loosely when a key is turned from the outside. A deadbolt that grinds before it seats is giving you warning that the internal cam or tailpiece is wearing down, and a bolt that doesn’t fully extend leaves the door wedged against its strike instead of locked into it. Dunmore Locksmith repairs and, when necessary, replaces deadbolts from Baldwin, Schlage, Kwikset, Medeco, and Yale, among others. The work typically costs $85 to $200 depending on whether we’re rebuilding the existing bolt, replacing the cylinder, or installing a new deadbolt assembly. The written estimate covers the entire job before anything is disassembled.
When the Bolt Won’t Fully Throw
If the deadbolt stops short of the strike plate, the fix is usually a realignment of the strike or a rebuild of the internal drive mechanism. Forcing the knob only bends the tailpiece further. We open the lock, correct the geometry, and test the throw five or six times to confirm it seats cleanly every turn.
Rebuilding vs. Replacing a Deadbolt
A deadbolt with a broken tailpiece or stripped set screw usually needs replacement rather than repair, because those internal parts aren’t sold separately for most consumer-grade locks. For high-security cylinders from Medeco or Mul-T-Lock, we can often rebuild the core instead of replacing the whole set. We’ll show you the difference on the workbench before you decide.
Patio Door Lock Repair
Patio Door Lock Repair focuses on the locking mechanisms used on hinged patio doors, distinct from sliders because the latch and deadbolt work along a swinging arc. These locks fail when the door sags, when the strike plate loosens from years of slamming, or when humidity swells the door slab and the latch no longer lines up with the strike hole. Dunmore Locksmith fixes the alignment, replaces worn mortise latches, and repairs or replaces the deadbolt if your patio door has one. Plan on $90 to $210 for a full patio door lock repair, including any strike plate work or latch replacement. The price arrives in writing before any screws come out, and it’s the same price on the invoice.
Humidity and Door Swell Repairs
In humid regions, wooden patio doors swell in summer and shrink in winter, pulling the latch out of alignment with the strike twice a year. We adjust the strike plate and, when needed, plane the door edge slightly so the lock works through both seasons instead of only one.
Replacing a Worn Mortise Latch
Most patio door failures start with a mortise latch that has worn its internal spring flat. The handle still turns, but the latch barely moves. We replace the cassette-style latch body, match the backset, and the door locks like it did the day the house was built.
Door Lock Latch Repair
Door Lock Latch Repair is for the spring-loaded tongue that keeps an entry or passage door closed. When the latch sticks in the open position, the door won’t stay shut; when it sticks closed, you can’t turn the handle enough to open it. Either way, the latch assembly is failing. Dunmore Locksmith replaces worn latch bodies, corrects strike alignment, and files the strike pocket when a new latch sits even a fraction too high or low. The work runs $65 to $160 depending on the latch type and whether the strike plate needs repositioning. You’ll get the price before we begin, written down, with no call-out surcharge added when the technician arrives.
Latch Stuck Open or Closed
Both modes of failure come from the same root cause: a broken return spring or a latch body that’s gummed with years of dust and powdered graphite. We clean or replace the assembly rather than forcing the handle, which only breaks the spindle next.
Strike Plate Realignment
If the latch works in the hand but won’t catch when the door closes, the strike plate has moved. We reposition it, fill the old screw holes with hardwood dowels so the new screws hold, and test the door with a slow push, a firm push, and a slam.
Door Knob Lock Repair
Door Knob Lock Repair addresses knobs that spin without retracting the latch, lock buttons that stick, and cylinders that have to be jiggled just right to turn. The mechanism inside a knob lock is small and tightly sprung, and once one part weakens the whole assembly follows. Dunmore Locksmith can replace the knob’s internal spindle, rekey the cylinder, or install a new knob and deadbolt pair when the existing set is too worn to make reliable. Prices stay in the $70 to $170 range for most knob lock repairs, including labor and standard parts. The quote covers everything; you’ll never see a second line item appear after the work is finished.
Spinning Knobs and Loose Handles
A knob that turns freely but never releases the latch has a cracked spindle or stripped set screw. The fix is quick, but driving the knob back onto a stripped spindle with force only widens the crack. We replace the spindle and the knob seats correctly again.
Stuck Lock Buttons and Turn Pieces
The interior lock button on a knob set can seize from corrosion or a bent connecting rod inside the rose. A technician who forces it will break the whole set; one who knows the lock’s construction can usually free it or replace the button assembly in minutes. Call (910) 714-4287 and we’ll talk you through what you’re seeing before anyone is dispatched.
Brands We Service
We’re qualified to install and service Schlage, Kwikset, Medeco, Yale, Baldwin, Mul-T-Lock, Sargent, and Abloy hardware. When it comes to Medeco high-security cylinders, we can cut new keys against your key registration card and rebuild worn cores so the pins rotate the way they were designed to. That’s factory-authorized work, not guesswork on a bench vise.
For Baldwin and Mul-T-Lock hardware, the same standard applies. Baldwin locks have tight internal tolerances that reward careful teardown and punish hammer-handed repair; Mul-T-Lock’s telescoping pin systems require surgical precision to rekey or repair. Whether you have one of those brands or any other make, we can help.
Signs You Need a Pro Right Now
- Your key only turns with pressure or wiggling. The cylinder wafers or pins are wearing down. What feels like an annoyance today becomes a snapped key or a locked-out family member tomorrow. A pro can rekey or replace the cylinder before it fails completely.
- The deadbolt throws halfway and stops. A deadbolt that won’t fully extend isn’t locking anything. The internal cam or the strike alignment is off, and every forced throw worsens the damage. This is a repair, not a routine adjustment.
- The latch doesn’t retract fully when you turn the handle. Your door opens, but it fights you. The latch spring or the spindle is failing, and one day the handle will spin without doing anything. Fix it before the door becomes impossible to open from outside.
- The lock works, but the door rattles when it’s closed. The strike plate has backed out of its screws and the door is resting against the latch instead of the frame. That constant pressure bends the latch and eventually cracks the door jamb. Tightening the right parts stops both problems.
- You’ve had a recent break-in attempt or lost keys. If someone tried to force the door, the lock may look fine but have internal damage you can’t see. And if your keys are lost, the lock isn’t protecting anything. Rekeying is faster and cheaper than replacing locks, and it restores security that day.
Our Process, Step by Step
Every repair follows the same sequence, and you always know what’s happening before it happens.
- 1
You call and speak to a live person. No voicemail, no chatbot, no automated menu. We answer 24 hours a day, every day of the year. You describe the lock problem, and we give you an honest sense of what it probably is and what it will likely cost.
- 2
You get your technician’s name and photo. The Threshold Standard means every technician is background-checked, identity-verified, and photo-badged. Before the visit, you receive the name and photo of the exact person coming to your door. When they arrive, they show a matching photo ID. If anyone else shows up claiming to be us, that visit is free.
- 3
The written quote comes before any work. The technician diagnoses the lock, then puts the full price in writing: parts, labor, everything. You approve it before a single screw is turned. There’s no dispatch fee and no charge added on arrival.
- 4
The repair is done with the right parts. We carry OEM and factory-authorized components for the brands we service, plus a full set of extractors, pin kits, and lock tools for older or unusual hardware. Most door lock repairs are finished in under an hour; some complex rekeys or high-security rebuilds take longer.
- 5
You get the 365-Day Done Right Promise in writing. Every repair includes a written one-year guarantee. If the lock fails inside that year, we return at no charge. The technician walks you through what was done, tests the lock in front of you, and leaves the guarantee stamped with the job number.
How Much Does Door Lock Repair Cost?
DIY vs Professional Door Lock Repair: What’s Safe to Do Yourself can help you decide whether to tackle simple fixes or call us. Door lock repair nationwide typically runs between $65 and $220 depending on the specific failure, and the number is set before any work begins. A simple door lock latch repair with a new spring assembly usually falls in the $65 to $160 range. Deadbolt repair, including cylinder rebuilds or full replacement, lands between $85 and $200. Broken key extraction sits at $75 to $180, and sliding or patio door lock repair can reach $220 when the strike plate, rollers, and lock body all need attention. Those are the real numbers we quote on the phone.
What affects the price: the lock brand, whether the cylinder needs rekeying or replacing, and whether the door or frame needs alignment work beyond the lock itself. The best way to avoid overpaying is to get the price in writing before work starts and to insist on a company that doesn’t charge a call-out fee on top of the repair. That’s how Dunmore Locksmith operates: you approve a written total, and that total is the invoice. The free estimate we give on the phone is exactly that, free, and it’s the same number the technician writes down at your door. For an exact quote on your lock, call (910) 714-4287.
Where We Work
Dunmore Locksmith serves homeowners and businesses across the United States through local crews under the Threshold Group umbrella. We’re not a franchise with a rotating cast of subcontractors; each technician is background-checked, identity-verified, and sent to your door by name and photo. When you call the number, you get a live person who knows how to dispatch the right technician for your area and your specific lock problem.
Frequently Asked Questions About Door Lock Repair
Door lock repair is the process of diagnosing and fixing a lock that no longer works correctly: a latch that won’t catch, a deadbolt that won’t throw, a cylinder that won’t turn, or a key that’s broken off inside. It includes cleaning, realigning, rebuilding, or replacing the internal components rather than hanging a new lock on an undiagnosed problem. Dunmore Locksmith has done this work since 2007, and every repair includes a written one-year guarantee. If you’re in Southern California, learn more about our Door Lock Repair in Los Angeles.
Most standard lock repairs take between 30 and 60 minutes once the technician is at the door. More involved work, like a high-security cylinder rebuild or a patio door realignment, can run up to two hours. The technician will tell you the expected time when they hand you the written quote.
Most residential lock repairs run from $65 to $220, with deadbolt work between $85 and $200, broken key extraction at $75 to $180, and sliding or patio door repairs reaching $220 when the frame needs realignment. We also provide Door Lock Repair in Huntington Park and surrounding areas. You get a written price before any work begins, and that price is the final invoice. Call (910) 714-4287 for an exact quote on your lock situation.
Yes. Dunmore Locksmith is qualified to install and service Schlage, Kwikset, Medeco, Yale, Baldwin, Mul-T-Lock, Sargent, and Abloy hardware. For Medeco high-security cylinders we can handle key registration, core rebuilding, and authorized rekeying with factory-specific parts. If you have a lock from any other brand, we can service that too.
Phones are answered by a live person 24 hours a day, seven days a week, 365 days a year. If your lock fails in the middle of the night, you’ll still reach a human on the first call. Emergency dispatch is available any hour, and the price is still put in writing before work begins, including any after-hours rate.
Every repair includes the 365-Day Done Right Promise: a written one-year guarantee stamped with your job number. If the repair fails inside that year, we return and make it right at no charge. This isn’t a verbal promise; it’s on the invoice.
Keep the door and lock accessible, and have your keys ready if you have them. If the lock is on a door you need to stay closed, that’s fine; the technician will work around it. The most important preparation is checking the photo we send you before the visit so you know exactly who to expect at the door.
Schedule Your Door Lock Repair Service Today
Call (910) 714-4287 for a free, no-obligation estimate on any door lock repair. A live person answers every hour of every day, and you’ll get your technician’s name and photo before they arrive. The price is written down before work starts, and every repair carries our 365-Day Done Right Promise. You’ll know exactly who is coming and exactly what it will cost before you ever turn the handle.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving customers nationwide since 2007.