Deadbolt that won't throw all the way. Key that turns rough or sticks halfway. Cylinder that spins without engaging the bolt. Florida humidity has the door swollen against the strike and the lock binds. We diagnose on-site and fix most lock problems in 30-60 minutes - no need to replace hardware that has years left in it.
Door lock repair in Port St. Lucie - sticking deadbolts, locks that won't turn, broken cylinders, misalignment, weather-related binding. Most repairs $80-260 same visit.
Florida humidity is the #1 driver of PSL lock problems - wood doors swell against the strike, salt-air corrosion attacks the wafers, and afternoon sun warps the jamb between June and October.
We tell you on-site whether repair or replace is the better call. A 12-year-old Schlage B60 with one bad wafer gets rebuilt for $90. A corroded 30-year-old cylinder past its service life gets replaced.
A residential deadbolt that needs a shoulder-bump to turn, a Schlage cylinder that jams halfway with the key inserted, a commercial lever that spins free without retracting the latch - all three are wear problems inside the lock body, not a problem with your door. Hurricane salt air in River Park and Sandpiper Bay accelerates pin corrosion and the symptom shows up as 'my key works but barely.'
A handyman will pour graphite on it, call it good, and the lock seizes solid two weeks later. The actual fix is a cylinder rebuild or a tailpiece swap, sometimes a strike realignment if the door sagged on the hinges. Twenty minutes of the right diagnosis beats a $185 'lubrication service' that did not solve anything.
Doctor Lockout has the pins, springs, cylinders, and strike templates on the van. Call (772) 284-5142 and we are on-site in 15-30 minutes across PSL.
Most sticking locks need a pin and spring rebuild, not a $220 new cylinder. We carry rebuild kits for Schlage, Kwikset, Yale, Medeco.
We tell you in 60 seconds whether it is the cylinder, the latch, the strike, or the door sag. No guessing, no parts roulette.
Most residential repairs land $95-160. Commercial cylinder rebuilds $140-220. Quote holds on arrival - no on-site upcharge.
Rebuild keeps your existing keys working. No re-keying the whole house or handing tenants new keys every visit.
Schlage C, Kwikset KW1, Weiser WR3/WR5, Yale Y1, Medeco, Mul-T-Lock pin kits all riding on the van.
If the front-door lock is dying, the back-door twin is usually next. We rebuild both in one visit and re-key them alike.
The handyman approach is graphite, WD-40, and a shrug. The big-box approach is 'just buy a new one.' Doctor Lockout actually opens the lock body, identifies the worn part, and rebuilds it. That is the difference between a 60-second fix and a $220 cylinder you did not need to buy.
Diagnosis happens with a screwdriver on your door, not with a price sheet at the truck.
WD-40 dissolves the dry lube pins need. Six weeks later the lock is worse. We use Houdini dry lube only.
Half of 'sticking locks' are actually doors that dropped on the hinges. We check and shim the strike at no extra charge.
Your existing keys go back in your pocket. We do not force a re-key to pad the invoice.
The single biggest cause of lock failures in Port St. Lucie is the humidity cycle. Doors are wood (or wood-cored). Wood expands and contracts with moisture. The PSL summer hovers above 85% relative humidity from June through September, then drops into the 50s through the dry season. Doors that fit perfectly in February bind hard against the strike in August, and the deadbolt that used to throw cleanly now grinds.
Symptom 1: the bolt extends but doesn't reach the strike. The door has swollen toward the latch side, pushing the bolt past where the strike hole used to be. Fix is strike-plate adjustment - either filing the strike hole open 1/8" or repositioning the strike entirely. 20-30 minutes, $80-140.
Symptom 2: the key turns rough. Salt-air corrosion has built up inside the cylinder wafers. The Atlantic is 4 miles east of US-1 and the air gets to every front door in PSL eventually. Fix is cylinder removal, ultrasonic cleaning, lubrication with a graphite or PTFE dry lube (NOT WD-40 - it gums up wafers). $100-160.
Symptom 3: the deadbolt spins but doesn't move. Internal lock body failure - usually a broken tailpiece, sheared cam, or a snapped torsion spring. Repair vs replace depends on the lock. Grade 1 hardware (Schlage B660, Medeco 3) is worth rebuilding. Grade 3 builder-grade (Defiant, Brinks) is cheaper to replace. $90-220 depending on which path.
Symptom 4: the door doesn't latch unless you slam it. Alignment - the door has dropped on its hinges, or the frame has racked, and the latch is hitting above or below the strike hole. Fix is shimming the hinges back to true, or moving the strike. 30-45 minutes, $90-160.
The honest call isn't always repair. Three questions decide it:
1. What grade is the lock? ANSI Grade 1 (commercial - Schlage B660, Medeco 3, Mul-T-Lock MT5+) is rated for 1,000,000 cycles. Even a 15-year-old Grade 1 cylinder usually has years left and is worth rebuilding for $100-160. Grade 3 builder-grade (Defiant, Brinks, low-end Master) is rated for 200,000 cycles, the hardware costs $15-40, and replacing the whole lock makes more sense than a $90 repair on a lock you'll throw away in a year anyway.
2. How bad is the corrosion? Florida salt-air is brutal. If the cylinder pulls out of the door covered in green oxidation, with pitted wafers and a corroded keyway, no amount of cleaning saves it. Replace. If the cylinder is just gunked up but the internal parts are clean, ultrasonic clean and rebuild.
3. What does it cost to replace vs repair? If repair runs $160 and a replacement Grade 2 deadbolt installed is $200, replace. New hardware has a warranty, fresh wafers, and a clean strike plate. If repair is $100 and replacement is $240, repair.
This is a decision you make - we show you the cylinder once we have it out, explain the wear, give you both prices, and you call it. No pressure to upsell to a $300 install when a $90 rebuild does the job. Customers on the older Bayshore homes and the early Sandpiper Bay builds get the repair recommendation most often. Newer construction in Tradition, Telaro, and Veranda Bay still has hardware under manufacturer warranty in most cases.
| Service | Typical Price | Notes |
|---|---|---|
| Strike-plate adjustment / alignment fix | $80 - $140 | Most common Florida-humidity fix. |
| Cylinder rebuild (wafers, springs, lube) | $100 - $180 | Cylinder cleaned and re-pinned with fresh wafers. |
| Cylinder replacement (Grade 2 hardware) | $140 - $220 | New cylinder, keyed alike to existing if you want. |
| Full deadbolt replacement (Grade 2) | $160 - $240 | Hardware plus labor. |
| Full deadbolt replacement (Grade 1 commercial) | $200 - $260 | Schlage B660, Medeco 3, Mul-T-Lock. |
| Door knob / lever repair (interior) | $80 - $140 | Spring, latch, or trim repair. |
| Diagnostic only (no repair) | $45 - $80 | Waived if you proceed with repair. |
| Decision | Doctor Lockout (repair-first) | Big-box install (replace-only) | DIY repair |
|---|---|---|---|
| Diagnoses before quoting | Yes | No - assumes replace | You diagnose yourself |
| Offers rebuild on Grade 1/2 locks | Yes ($90-180) | Rarely | Possible with practice |
| Total cost (typical sticking deadbolt) | $80-180 | $220-380 full replace | $15-60 parts only |
| Same-day on-site fix | Yes | 3-5 day schedule | Same day if you have parts |
| Strike-plate / alignment included | Yes | Often extra | Up to you |
Real person on the phone in under 2 rings. Locksmith on-site in 15-30 minutes. Honest price before any tools come out.
Call (772) 284-5142Most lock problems are repairable. We rebuild cylinders (new wafers, springs, lube), adjust strike plates and alignment, and replace internal parts on Grade 1 and Grade 2 hardware. Builder-grade Grade 3 (Defiant, Brinks) is usually cheaper to replace than rebuild, but we tell you that on-site rather than defaulting to replacement.
Florida humidity. PSL hits 85%+ relative humidity from June through September. Wood doors swell against the latch side of the frame and push the bolt past where the strike hole used to be. Fix is usually a strike-plate adjustment (filing or repositioning the strike), not lock replacement. 20-30 min, $80-140.
Strike-plate / alignment fixes: $80-140. Cylinder rebuilds (new wafers): $100-180. Cylinder replacement: $140-220. Full deadbolt replacement: $160-260 depending on grade. Most jobs come in under $220 including parts.
Depends on the grade. Grade 1 commercial hardware (Schlage B660, Medeco 3, Mul-T-Lock) at 15 years old usually has years left and is worth rebuilding. Grade 3 builder-grade (Defiant, Brinks) at 15 years is at the end of its design life and replacement makes more sense. We pull the cylinder, show you the wear, and you decide.
Dry graphite or a PTFE-based dry lube. Never WD-40 or oil - those attract dust and grit, which packs into the wafers and makes the problem worse over time. If your lock has already been WD-40'd, we ultrasonic clean it before re-lubricating with the right product.
Yes. Cylinder rebuilds keep your existing key working. Replacement cylinders can be keyed to your existing key for a small added charge ($15-25) so you don't have to swap out every key in the family.
Lock repair calls come from every PSL neighborhood - the older Bayshore and Sandpiper Bay homes (humidity + age = wafer wear), Tradition and Telaro (newer construction with builder-grade hardware reaching end of warranty), St Lucie West and PGA Verano, plus commercial accounts along US-1 and PSL Boulevard.
Last updated: 2026-05-18
