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.
Medeco Door Lock Repair in Los Angeles: What to Know First
Medeco door lock repair in Los Angeles typically runs $95 to $185 for common fixes like a sticking cylinder or worn tailpiece, and $220 to $380 when the cylinder needs rebuilding or replacement with OEM parts. Most repairs finish same-day, often within an hour of arrival. You’ll get a written price before we open the lock, and that’s the price on the invoice. Kevin Yoon and the Preston Locksmith & Security team service Medeco deadbolts, mortise cylinders, and rim cylinders across Los Angeles without the bait-and-switch markup this trade is known for. Call (409) 405-4485 and a live person picks up, day or night.
How Medeco Products Fail – and How We Fix Them
Medeco is a genuinely different lock. The angled cuts on the key drive a rotating pin system that’s harder to pick and harder to duplicate without a key card. But high-security engineering has its own failure modes, and we see the same handful across Los Angeles neighborhoods from Koreatown to Silver Lake to the Wilshire corridor.
- Stiff key rotation on Medeco Original and Biaxial cylinders. The side pins on these lines sit on a separate track, and after years of use, brass dust and old lubricant build up in that track. The key starts feeling like it’s grinding through sand. We strip the cylinder, ultrasonic-clean the pin chambers, inspect the springs, and relubricate with a dry film lubricant, not WD-40, which turns to gunk in L.A.’s dry heat. Typical fix: $95 to $135.
- Key turns but deadbolt won’t throw on M3 deadbolts. This is almost always the tailpiece. Medeco’s M3 line uses a hardened steel tailpiece, and over time the retaining clip flexes or the tailpiece shears slightly at the cam. The cylinder works fine; the connection to the bolt is dead. We replace the tailpiece and clip with OEM parts. Typical fix: $110 to $150.
- Key won’t enter the cylinder fully on Medeco Maxum and KeyMark locks. Los Angeles has hard water, and coastal moisture plus dry inland heat means the keyway accumulates mineral scale. The key stops about two millimeters short, and the pin stack never fully aligns. We descale the keyway, check the pin heights, and restore operation without forcing anything. Forcing the key in is how you break a Medeco, not fix one. Typical fix: $85 to $120.
- Lost or restricted key on a Medeco system with a key card. If you’ve lost the card that authorizes duplication, rekeying is the only clean fix. We cut new keys to factory specs using Medeco’s key machines and register the new key codes. This matters because a Medeco without its card system is just an expensive lock. Rekeying a Medeco cylinder typically runs $45 to $75 per cylinder, plus new restricted keys at $18 to $35 each.
- Loose lever or knob on Medeco commercial hardware. On storefront doors and office entries, the set screw on the lever spindle backs off. The lock itself is fine, but the lever wobbles and eventually the spindle shears. We resecure with thread locker, replace worn spindles, and test the full throw of the latch. Typical fix: $75 to $110.
Our Medeco Door Lock Repair Process
You’ll know the price before we touch the lock. Here’s how a Medeco job goes from call to cleanup:
- 1
Call and quote. You call (409) 405-4485. A live person answers. We ask what the lock is doing, what Medeco series it is if you know, and what door it’s on. We give you a written price range before we dispatch anyone.
- 2
Tracked arrival. You get a live arrival time you can follow on your phone. Our technician shows up in uniform, background-checked, with the tools and Medeco parts common to your issue already in the van.
- 3
Diagnosis and written price. The tech confirms the failure, explains what’s wrong in plain language, and hands you a written price for the exact repair. No estimate creep. The number we write down is the number you pay.
- 4
The repair. We use OEM Medeco parts for cylinders, pins, and tailpieces. For non-critical hardware like strike plates and screws, we use quality aftermarket parts that match or exceed spec. We’ll always tell you which is which.
- 5
Test and photos. We cycle the lock with the original key and any new keys, check the deadbolt throw, and photograph the work before and after. You get those photos.
- 6
Paperwork and guarantee. You get a digital invoice with a pay link and a written guarantee. Every Medeco repair is covered by the 365-Day Done Right Promise. If the repair fails within a year, we come back free.
What Medeco Door Lock Repair Costs in Los Angeles
Here’s what you’re actually looking at for Medeco work in Los Angeles. These are the full prices we quote on the phone, no call-out surcharge added at the door.
- Basic Medeco cylinder cleaning and relubrication: $85 to $120
- Tailpiece, clip, or cam replacement (M3, Biaxial, Original): $95 to $150
- Rekey a Medeco cylinder, including new keys: $45 to $75 per cylinder, keys $18 to $35 each
- Full cylinder rebuild with OEM pin kit and springs: $180 to $260
- Replace a Medeco deadbolt or mortise cylinder with new OEM hardware: $220 to $380
What moves the price: whether the cylinder is salvageable, whether you have the key card for restricted reproduction, and whether the hardware is standard residential or commercial mortise. Finish, age, and whether we’re matching an existing master key system also matter. Call (409) 405-4485 for a firm quote. Estimates are free, and they’re real numbers, not a starting point.
Why Los Angeles Homeowners Call Preston Locksmith & Security for Medeco Work
We’ve been fixing locks in Los Angeles since 2008, and Kevin Yoon has been working on Medeco hardware since he trained at Los Angeles Trade-Technical College. That matters because Medeco isn’t a lock you learn by watching a video. The pin systems, the key card protocols, the restricted duplications – you either know them or you damage the lock and bill the customer for a replacement. We know them.
Every job carries the 365-Day Done Right Promise. If the repair isn’t done right, we make it right, free, within a year. The price is written before work starts, every time. And if your Medeco is beyond repair and you want a different brand, we carry Schlage and Kwikset hardware too, so the backup plan doesn’t require a second locksmith. Real price on the phone. Same price at the door. That’s it.
FAQs
Yes. As an independent Medeco service provider, we can rekey your existing Medeco cylinders and cut new keys, but without the key card, we’ll need to establish that you’re authorized to control that lock. That usually means proof of property ownership or a business authorization form if it’s a commercial door. Once we’ve verified that, we rekey the cylinder and issue new keys to a new code. The repair typically runs $45 to $75 per cylinder plus new keys. Call (409) 405-4485 and we’ll walk you through the proof we need.
For anything inside the cylinder – pins, springs, tailpieces, cams, retaining clips – we use OEM Medeco parts. The tolerances in a Medeco cylinder are tight enough that aftermarket internals cause binding and premature wear. For external hardware like strike plates, screws, and faceplates, we use quality aftermarket parts when they match or exceed spec. We’ll always tell you which parts are going in your lock before we install them. Call (409) 405-4485 for a free estimate on your specific repair.
If the cylinder body is intact and the issue is internal wear, a repair or rebuild usually costs less than new hardware and preserves your existing key system. If the cylinder housing is cracked, the bolt is deformed, or the lock is over 15 years old and showing multiple symptoms, replacement is usually the smarter money, typically $220 to $380 for new OEM hardware. We’ll tell you honestly which path makes sense for your door. Call (409) 405-4485 and we’ll give you a written repair or replace quote before we start.
Same-day service is typical for most Los Angeles neighborhoods, and we’ll confirm the exact arrival window when you call. You get a live trackable arrival time, so you’re not sitting in a four-hour window wondering if anyone’s coming. Emergency lockouts where the deadbolt is fully jammed get prioritized. Call (409) 405-4485 and a live person will give you the real time, not a vague promise.
Medeco’s warranty covers manufacturing defects, not normal wear, field damage, or rekeying. Most Medeco locks on Los Angeles doors are well past their warranty period anyway. We work on the lock without voiding anything that’s still active, and our 365-Day Done Right Promise covers the repair itself regardless of what Medeco’s warranty says. Call (409) 405-4485 if you want to know whether your specific lock still has coverage before we touch it.
Written by Kevin Yoon, Owner, Preston Locksmith & Security at Preston Locksmith & Security, serving Los Angeles and nearby areas.






