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 Three Lakes
Door lock repair in Three Lakes usually runs between $95 and $340 depending on whether we’re freeing a seized reja gate cylinder, adjusting a storm-shifted deadbolt, or replacing a multi-point gearbox on an impact-rated steel entry door. We answer the phone 24 hours a day at (910) 714-4287, and a Dunmore Locksmith technician from our Door Lock Repair team can typically reach most Three Lakes streets within the hour. Homes across this part of southern Miami-Dade carry a particular mix of lock hardware: wrought-iron reja gates out front, post-Andrew steel entry doors behind them, and concrete block frames that shift with every wet season. We know that mix because we work on it every week.
Perry Osgood leads our operation, and every job gets a written price before work starts. No call-out surcharge added when we arrive. No estimate that balloons after the door is open.
Why Dunmore Locksmith Is Three Lakes’s Preferred Door Lock Repair Company
Three Lakes homeowners call us because the lock problems here are not the same as the lock problems twenty miles north. A standard deadbolt swap might fix a door in Broward County. In Three Lakes, the front of the house often has a reja gate with a surface-mounted rim lock and a vertical bolt, and behind it sits a steel entry door with a three-point or five-point locking system that follows Miami-Dade’s post-Andrew wind-load code. You need a technician who carries more than a Kwikset cylinder in the truck.
Perry Osgood has held the line on one policy since he took the lead: you know who is coming before you open the door. Every Dunmore technician is background-checked and identity-verified under the Threshold Standard. You get the technician’s name and photo sent to your phone before the visit. When we arrive, you’ll see a marked uniform and a photo ID badge before you turn the handle. If someone shows up who we didn’t tell you to expect, that visit is on us.
Our response time to most parts of Three Lakes is under 60 minutes for emergency lockouts and urgent door lock repair, depending on traffic on SW 152nd Street or the Turnpike. For non-emergency work like a re-key or a quote on multi-point hardware, we schedule a window that works for you.
Sliding Door Lock Repair in Three Lakes
Sliding Door Lock Repair in Three Lakes usually means one of two things: a patio slider whose latch no longer engages because the aluminum track has shifted in the humidity, or a glass door with a mortise-style lock that has corroded from years of salt air. Most patio slider jobs run $110 – $190 for latch adjustment, track realignment, or lock replacement on a standard aluminum door. Motorized or custom mortise assemblies can run higher, and you’ll always get the written number before we start.
Sticky latches and misaligned tracks
South Florida’s wet season swells concrete slabs by fractions of an inch, and that’s enough to knock a sliding door track out of level. The latch catches at the wrong height, or it grabs halfway and won’t release. We realign the rollers, shim the track where the slab has moved, and set the latch so it engages cleanly.
Corroded slider cylinders
Sliders that face the afternoon thunderstorms take decades of direct water and sun exposure. The cylinder seizes, the key turns hard, and eventually the tumbler pins stop responding. We clean or replace the cylinder, lubricate the internal linkage, and test the lock through thirty full cycles before we leave.
Deadbolt Repair in Three Lakes
Deadbolt Repair in Three Lakes falls into a pattern you won’t find in dryer parts of Florida: the bolt throws fine in January, then binds hard in August when the concrete block frame has absorbed a season of groundwater. We see it in the neighborhoods around SW 147th Avenue and the streets near Three Lakes Park. A standard deadbolt repair here runs $95 – $185 depending on whether we’re adjusting the strike plate, boring a slight frame adjustment, or replacing a worn tailpiece. Multi-point deadbolt systems on impact-rated steel doors run $220 – $340 because the gearbox and locking rods require alignment as a system, not just a single bolt.
Frame-shift binding
Concrete block homes breathe. The block expands and settles with the water table, and the door frame follows. The deadbolt bolt rides against the strike plate edge, then stops throwing entirely. We file, shim, or adjust the frame so the bolt moves freely without grinding. On post-Andrew steel doors we also check that the upper and lower rods engage in sync with the center deadbolt.
Worn cylinder and tailpiece
Brass and zinc cylinders corrode quickly in South Florida humidity, especially on doors that face east and take the morning sun followed by afternoon rain. The key turns harder each month until the tailpiece shears or the plug sticks permanently. We replace the cylinder with a new one, cut keys to match, and if you want the rest of the house on a single key, we can re-key the garage door and reja gate on the same visit.
Trusted Brands We Service in Three Lakes
We stock parts for Schlage, Kwikset, and Medeco hardware, plus factory-authorized service support for the multi-point systems on impact-rated steel doors that are common across Three Lakes. That means we’re not running to a supply house mid-job on a reja gate cylinder or a post-Andrew entry door gearbox. If your lock uses proprietary hardware from a European or domestic multi-point manufacturer, we can source the correct replacement kit and have it on the truck for the scheduled visit. We never install an off-brand part that will fail in the humidity and leave you locked out six months from now.
Common Door Lock Repair Problems We See in Three Lakes Homes
- Seized reja gate cylinders. The year-round humidity and direct sun put constant stress on rim locks and surface-mounted bolts on wrought-iron security gates. The pin and tumbler mechanism gums up, the key won’t turn, and the whole gate becomes a locked barrier.
- Deadbolts that bind after wet-season frame shift. Concrete block frames move subtly between dry season and wet season. A deadbolt that lined up perfectly in March stops throwing by August because the frame has shifted a few millimeters.
- Multi-point lock failures on post-Andrew steel doors. Impact-rated entry doors carry gearboxes and locking rods that standard deadbolt repair doesn’t touch. When the center deadbolt throws but the top or bottom rod sticks, you need alignment work, not a new Kwikset.
- Storm-damaged locks leaving a property unsecured. After a storm, a twisted door or a broken cylinder can leave the house unsecurable. Board-up and re-secure work has to happen fast, and the lock has to actually hold afterward.
Pricing for Door Lock Repair in Three Lakes, FL
Expect standard deadbolt repair in Three Lakes to land between $95 and $185. A seized reja gate rim lock typically runs $80 – $150 to clean, repair, or replace. Sliding door lock work runs $110 – $190. Multi-point steel entry door service runs $220 – $340 because it’s gearbox and rod work, not a single cylinder. The price you get on the phone is the price on the invoice. We put it in writing before we dispatch anyone, and there’s no add-on for showing up. If you need both the reja gate and the steel entry door serviced, we quote them as one combined job, not two inflated line items. Call (910) 714-4287 for a free estimate on your specific door.
We Also Serve Cities Near Three Lakes
Dunmore Locksmith covers Three Lakes and the surrounding South Miami-Dade communities, including Miami, Hialeah, Miami Gardens, and Homestead. If you’re just outside Three Lakes and dealing with the same humidity-seized reja hardware or post-Andrew steel door issues, we’ll send the same background-checked technician and the same written price commitment.
Serving Three Lakes, FL - Our Local Coverage Area
We’re based in the Three Lakes 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 Three Lakes
Yes, in most cases we can repair the existing rim lock or surface-mounted bolt without replacing the gate. The humidity and heat in Three Lakes cause the pin and tumbler mechanism to gum up and the cylinder to bind; we clean, lubricate, and if the cylinder is too far gone, replace just the cylinder and cut new keys to match. The gate itself almost never needs to be replaced for a lock problem. Call (910) 714-4287 and we’ll tell you what your specific reja lock needs.
Don’t force the handle or the deadbolt. The storm likely knocked the door or frame out of square, and forcing the mechanism can strip the gearbox and turn a $250 repair into a $600 replacement. Call us right away; we’ll adjust the frame, service the multi-point gearbox and locking rods, and get the door locking again. We carry the brand-specific hardware these doors need.
Yes, re-keying (changing the internal pins so your old keys no longer work) is usually less expensive than replacing the whole deadbolt, typically $65 – $120 per cylinder in Three Lakes. If the cylinder itself is corroded or worn, we’ll tell you honestly whether a replacement cylinder makes more sense than a re-key.
Yes, and that’s the normal pattern in Three Lakes. One visit covers the reja gate rim lock, the steel entry door deadbolt or multi-point lock, and any interior door locks you want re-keyed. We quote the whole job as one written price before we start, so you know the total upfront.
We treat storm-damaged locks as priority calls. We can board up and re-secure the property the same day, then repair or replace the damaged lock and cylinder so the door holds properly. You get a written price before work starts, and every repair carries our 365-Day Done Right Promise: if the repair fails, we come back at no charge.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Three Lakes as part of the Threshold Group family of independent local locksmith businesses.






