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.
Fast, Reliable Door Lock Repair Across North Miami
Door lock repair in North Miami usually costs between $75 and $280 depending on what failed. Most jobs like a seized deadbolt, a failing sliding door lock, or a corroded cylinder on a 1960s CBS rental are done the same day we get your call. If you’re on NE 125th Street, near Keystone Point, or anywhere along Biscayne Boulevard, call us at (910) 714-4287 and we’ll send a technician to North Miami with the parts already in the van.
Salt air off Biscayne Bay is brutal on lock hardware. It gets into the cylinder, corrodes the pins and springs, and seizes deadbolts shut on vacant units between tenant turnovers. We know exactly what that looks like in North Miami because we see it every week. Perry Osgood leads our team, and every Dunmore Locksmith technician carries a photo ID badge and arrives in a clean uniform, sent to you by name and photo before the visit. You’ll know who’s at your door before you open it.
Why Dunmore Locksmith Is North Miami’s Preferred Door Lock Repair Company
North Miami has a specific problem: most of the housing stock is CBS construction from the 1950s through the 1970s, built near Biscayne Bay, and much of it still has the original entry hardware. That means knob-only locks without deadbolts, thin-gauge strike plates, and cylinders that have never been rekeyed. When one of those locks fails, it’s not a simple swap. You need someone who understands the building type and the climate. Our Door Lock Repair team works on these locks every day.
We’re part of Threshold Group, a network of independent local locksmith businesses that has been serving customers since 2007. The Threshold Standard is the same for every job in North Miami: background-checked, identity-verified technicians sent to you by name and photo before they arrive. They show a photo ID badge at the door. If anyone shows up who you weren’t told to expect, that visit is covered at no charge. That matters here, where rental turnover is constant and strangers coming and going is part of the rhythm of neighborhoods like North Miami’s 125th Street corridor.
Every Dunmore Locksmith job includes the 365-Day Done Right Promise. The price goes in writing before any work starts. The repair is covered for 365 days, and if it fails, we return at no charge. That’s not a vague satisfaction pledge. It’s a written guarantee stamped on every job.
Sliding Door Lock Repair in North Miami
Sliding Door Lock Repair in North Miami is one of our most common calls, especially in the older condo and apartment buildings near the bay. Salt air works into the lock body and latch, pitting the metal and binding the mechanism until the latch won’t throw or the key won’t turn. We disassemble the lock, clean or replace the corroded parts, and re-lubricate with a marine-rated lubricant that holds up in coastal humidity. A typical sliding door lock repair or replacement in North Miami runs $95 to $180, depending on whether the lock body can be salvaged or needs a complete new assembly.
Latch and Track Alignment Work
Many sliding door failures aren’t the lock itself. The door settles over time, especially in CBS buildings where the frame shifts with humidity cycles. That throws the latch out of alignment with the strike, and the lock binds or won’t engage. We adjust the rollers, align the strike, and reinforce the latch with longer screws into the frame. On older North Miami units, the original strike screws are often rusted through and need to come out entirely.
Keyed Sliding Door Handles
Most sliding doors in North Miami originally shipped with a simple thumb-turn latch and no keyed cylinder. For rental properties or ground-floor units, that’s a security gap. We can fit a keyed handle set to most existing profiles, which gives you a real lock on a door that essentially had none. Kwikset and Baldwin both make direct-fit options, and we keep the common profiles stocked locally for same-day service in North Miami.
Deadbolt Repair in North Miami
Deadbolt Repair in North Miami often starts with a tenant telling their landlord the key won’t turn, and it turns out the bolt hasn’t moved in months. Salt corrosion seizes the throw mechanism, especially on units that sit vacant through the summer. A standard deadbolt repair, including disassembly, cleaning, and re-lubrication, runs $75 to $120. If the cylinder itself is corroded beyond cleaning, we replace it and rekey to match your existing keys for $95 to $160.
Strike Plate Failure on Coastal Doors
Here’s what we see on North Miami doors near the water: the deadbolt works fine, but the strike plate on the frame is rusted through. One solid push and the frame gives way even with the bolt thrown. That’s a lock repair that’s actually a frame repair. We remove the old plate, check for wood rot or cracked concrete behind it, and install a stainless ANSI Grade 1 strike with 3-inch screws that bite into the framing. On CBS construction, we drill and anchor into the concrete block itself. That’s the difference between a lock that looks secure and one that actually is.
Single-Sided vs. Double-Sided Deadbolts
North Miami rental owners sometimes ask about double-sided deadbolts for added security. On a door with glass panels within arm’s reach of the lock, a single-sided deadbolt is defeatable. A double-cylinder deadbolt solves that, but it can be a fire egress issue. We’ll explain both options plainly and help you decide based on your exact door layout. The work itself runs $110 to $190 depending on the hardware and whether the door needs additional prep.
Trusted Brands We Service in North Miami
We’re factory-authorized to install and service Kwikset, Medeco, Yale, Baldwin, Schlage, Mul-T-Lock, Sargent, and Abloy hardware. In North Miami, we keep the common repair kits and cylinders for Kwikset and Baldwin stocked in our vans because that’s what most of the older rental stock here still has. If your existing lock is from Medeco or Yale, we can service it without forcing you to replace the whole set. That saves North Miami customers money and keeps key control intact. When a lock is beyond repair, we carry marine-grade and stainless hardware options that actually survive Biscayne Bay salt air.
Common Door Lock Repair Problems We See in North Miami Homes
- Seized deadbolts on vacant units: When a North Miami rental sits empty between tenants, salt air settles into the cylinder and the throw mechanism. By move-in day, the deadbolt won’t turn and the landlord is locked out of their own property.
- Rusted-through strike plates: Near the bay, the strike plate on the door frame fails before the lock does. A working deadbolt mounted to a rotted strike plate gives way under one hard shove, and the door opens even though the bolt was thrown.
- Original knob-only locks from the 1960s: A huge share of North Miami’s CBS rental stock never had a deadbolt installed. The original knob lock is all that’s ever been on the door, and after five or six tenant cycles, the key control is essentially gone. You don’t know who has copies.
- Corroded pin and tumbler stacks: The pins and springs inside a lock cylinder are tiny steel parts. Biscayne Bay humidity gets in through the keyway, corrodes those parts, and the key stops working or the cylinder fails completely. It’s the single most common repair we make in North Miami apartments.
Pricing for Door Lock Repair in North Miami, FL
Here’s what door lock repair actually costs in North Miami. Basic deadbolt repair on a standard door runs $75 to $120. Full cylinder replacement with rekeying runs $95 to $160. Sliding door lock repair or replacement runs $95 to $180. Strike plate replacement with stainless hardware runs $60 to $110. Rekeying a standard knob lock between tenants runs $45 to $85 per cylinder. The price we quote on the phone is the price on your invoice. No call-out surcharge, no arrival fees, no surprise totals at the end. We put it in writing before any work starts. Call (910) 714-4287 for an exact quote on your North Miami property, and we’ll walk you through it over the phone in about five minutes.
We Also Serve Cities Near North Miami
If you’re south of North Miami along the Biscayne Boulevard corridor, we also handle Door Lock Repair in North Miami and the surrounding metro. Our service area includes Miami, Hialeah, Miami Gardens, and Homestead. Same-day scheduling applies across the entire South Florida service region, and dispatch is coordinated from our Miami office with crews serving North Miami locally every day. Call (910) 714-4287 and we’ll tell you which technician is closest to you.
Serving North Miami, FL - Our Local Coverage Area
We’re based in the North Miami area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Door Lock Repair in North Miami
Biscayne Bay salt air gets inside the lock cylinder through the keyway, and it corrodes the pins and springs even on newer hardware. If the deadbolt sits unused for weeks at a time, like on a vacation rental or vacant unit, the corrosion has time to build and seize the mechanism. We can usually save the existing deadbolt with a full disassembly, cleaning, and marine-rated lubricant for under $120. Call (910) 714-4287 and we’ll confirm over the phone whether your lock is a repair or a replacement.
Yes, in most cases. If the cylinder itself isn’t corroded beyond service, we can rekey that original knob lock for $45 to $85 per cylinder and have the new tenant keyed in the same day. But if the cylinder is seized or rusted, we’ll need to replace it. On a 1960s CBS rental, we also recommend adding a deadbolt at the same time if there isn’t one, since knob-only entry hardware is a known weak point. Call (910) 714-4287 for a free estimate and we’ll tell you exactly what your door can take.
Marine-grade stainless steel hardware and locks with sealed cylinders last far longer near Biscayne Bay than standard brass or zinc finishes. We recommend ANSI Grade 1 stainless deadbolts with sealed bearings and marine-rated internal grease, paired with stainless strike plates and 3-inch frame screws. For sliding doors, look for keyed handles with stainless internals. We stock these options locally in our North Miami service vehicles, so there’s no wait on special-order parts. Call (910) 714-4287 for pricing on specific hardware lines.
In roughly 85% of North Miami lockout and lock failure calls, we open the door without drilling. We use non-destructive entry techniques first: picking, bumping with controlled tools, or decoding the lock. Drilling is the last resort when the cylinder is totally seized or broken. If we do have to drill, we’ll replace the cylinder and rekey to your keys for the repair price we quoted before starting. Call (910) 714-4287 and we’ll get you inside.
If every unit still has its original builder-grade knob lock and you’ve had turnover without rekeying, you have a key control problem you probably can’t see. A master key system gives you one key for common areas and your management set, while each tenant gets a key that only works their unit. We install master key systems across North Miami rental buildings, including rekeying every cylinder and supplying new tenant keys, often in a single day. For buildings off Biscayne Boulevard, we also address the salt corrosion on existing cylinders before keying new locks. Call (910) 714-4287 for a walkthrough and a written flat-rate quote.
The Coastal Rental Problem: What Salt Air Really Does to North Miami Locks
In the rental corridors off NE 125th Street and Biscayne Boulevard, we find the same thing over and over: multi-unit CBS buildings where the original builder-grade knob lock has never been rekeyed across five or more tenant cycles. A single eviction or break-in uncovers a whole-building key control problem, because nobody knows who had copies of those keys for the last twenty years. But there’s a second failure happening at the same time. Those same untouched cylinders sit close to Biscayne Bay, and the salt air works into the pin and tumbler stacks. We find the pins green with corrosion and the springs snapped. On a vacant unit, the deadbolt has seized solid before the next tenant ever gets a key.
We were called to a 1960s CBS fourplex on NE 125th Street where the landlord had gone through three tenants without changing the original Kwikset knob lock. Our tech found the pin and tumbler stack green with salt corrosion and the deadbolt throw seized solid. We did a non-destructive entry, rekeyed the existing cylinder for the new tenant, and swapped the rusted-through strike plate for a stainless ANSI Grade 1 replacement that would survive the bay air. The landlord then signed us for a master key system across all four units.
That’s the pattern in North Miami. The locks don’t just fail in isolation. They fail because the hardware is old, the air is salty, and rental turnover means nobody has been paying attention. Our repair work addresses the immediate problem and the reason it happened.
Dunmore comes from old words for a great fort, a stronghold built to keep what is inside safe. That’s what locks are supposed to be. In North Miami, they need to be rebuilt for the bay. We do that work, in writing, and we stand behind it for 365 days.
Call Dunmore Locksmith for Door Lock Repair in North Miami
If your deadbolt won’t turn, your sliding door lock is failing, or you just took possession of a rental property and you don’t know who has keys, call (910) 714-4287 now. You’ll reach a live person, any hour of the day. We’ll quote the full price in writing before anyone is dispatched, and that’s the price you’ll pay. A background-checked, uniformed North Miami technician with a photo ID badge will arrive at your door, and we’ll have sent you their name and photo first. The work carries the 365-Day Done Right Promise. If it fails, we return at no charge.
Call (910) 714-4287 for a free estimate on door lock repair anywhere in North Miami, from Keystone Point to the Biscayne Boulevard corridor to the rental blocks along NE 125th Street.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving North Miami under the Threshold Group since 2007.