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.
Why Los Angeles Homeowners Choose Medeco Locksmith
Preston Locksmith & Security provides independent Medeco repair in Los Angeles, from rekeying a single Maxum deadbolt to rebuilding commercial-grade cylinders with OEM pinning stock. We’re not affiliated with or authorized by Medeco, and we say that plainly because it matters: an independent shop can source Medeco-compatible hardware and restricted key blanks without steering you toward a dealer-only path that doesn’t match your door or your budget. Kevin Yoon, our owner, learned Medeco’s rotating pin tumbler systems hands-on at Los Angeles Trade-Technical College, and our techs keep the pinning kits on the truck that most general locksmiths never order. Call (409) 405-4485 for a written price before we dispatch anyone.
Key Takeaways:
- We service and install Medeco Maxum deadbolts, ARX and keymark restricted keyways, cam locks, and older Medeco cylinders throughout Los Angeles.
- Every Medeco job gets a written price before work starts and The Relay Visibility Guarantee: live trackable arrival, before-and-after photos, and a 365-Day Done Right Promise.
- As an independent Medeco service provider, we stock OEM cylinders, sidebar springs, and key blanks that many general locksmiths don’t carry.
Why Trust Preston Locksmith & Security for Your Medeco Locksmith?
Medeco locks are not Schlage or Kwikset with a fancy logo. The internals work differently: rotating pins, a sidebar mechanism, and angled cuts on the key that have to align in three dimensions before the cylinder will turn. A technician who only knows standard pin tumbler locks can misdiagnose a Medeco in about four minutes flat. Kevin Yoon cut his teeth on Medeco’s restrictive-keyway systems during his vocational training at LATTC, and he’s been rebuilding cylinders in Los Angeles doors ever since, from K-Town walk-ups to Silver Lake bungalows and Wilshire corridor office suites. Our techs pull apart Medeco Maxum deadbolts and ARX cylinders on a regular basis, and we keep the pinning kits, sidebar springs, and restricted key blanks stocked so we can usually repair the same day instead of ordering parts and making you wait. When we rekey a Medeco, we’re genuinely re-pinning the cylinder to match existing or new restricted keys, not just swapping in whatever blank fits. That means your keyway stays as secure as the day Medeco shipped it.
Common Medeco Locksmith Problems We Fix in Los Angeles
Medeco hardware is built well, but Los Angeles doors create specific failure patterns. Here’s what we see most often, and why it happens:
- Key inserts halfway, then binds. Medeco’s rotating pin tumbler stack has key pins that spin as the angled cuts engage. On high-traffic front doors, those pins wear unevenly. A worn or bent key pin catches mid-insertion, so the key stops about halfway in. We re-pin the cylinder with OEM Medeco pins and cut a fresh key from the original code, if you have it, or decode the cylinder itself if you don’t.
- Key turns, but the bolt won’t retract. This is usually the sidebar, not the pins. The sidebar sits inside the cylinder and only drops into position when every pin rotation is correct. If a previous locksmith cut your restricted key on a standard duplicator instead of a Medeco-specific machine, the angled cuts are slightly off. That wears or deforms the sidebar spring over time, and eventually the key spins without moving the bolt. We replace the sidebar and spring with OEM parts and cut the key correctly.
- Thumbturn is stiff or the deadbolt binds at the strike. Older Los Angeles homes settle. Door frames sag, hinges pull, and the strike plate drifts out of alignment. That lateral pressure loads up the Medeco bolt, making the thumbturn hard to throw. It’s not the cylinder’s fault, but it can destroy a good one if left alone. We realign the strike, adjust the frame if needed, and test the deadbolt under load so the lock isn’t fighting the door.
- Key goes in but the cylinder won’t rotate at all. If you live near the coast, like Playa del Rey or San Pedro, salt air and moisture work into the exterior cylinder. The top pins gum up with corrosion and grit, so the key seats fully but nothing turns. We disassemble, clean, and lubricate the cylinder with a dry graphite or PTFE treatment. If the pins are pitted beyond saving, we re-pin rather than replace the whole unit.
- Older Medeco cam locks and file cabinet locks that won’t accept the key anymore. These small cylinders have the same rotating pin stack but in a tighter package. On older office furniture, decades of dust and dried lubricant bind the pins. The key feels gritty or refuses to insert. We clean and re-pin them, or source a Medeco-compatible replacement if the original is obsolete.
Medeco Parts & Our Repair-vs-Replace Approach
We use genuine Medeco OEM cylinders, pins, sidebar springs, and key blanks whenever they’re available. That’s not a marketing line; it’s what keeps a restricted keyway actually restricted. For non-security-critical parts like faceplates, trim rings, and strike plates, we use quality aftermarket pieces that match the original dimensions. You get a cylinder that still behaves like a Medeco, without paying dealership markup on a cosmetic plate. When a Medeco cylinder is genuinely obsolete, meaning the keyway has been discontinued and pins or blanks are no longer manufactured, we tell you directly. At that point, repair becomes a dead end, and we recommend a current Medeco-compatible high-security deadbolt instead of sinking money into a cylinder that can’t be rekeyed again. We’ll show you the worn part when we pull it, and the written price covers what we quote, no upselling at the door. Call (409) 405-4485 if you want a straight answer about your existing hardware before anyone rolls a truck.
Our Medeco Service Process – Step by Step
Everything follows The Relay Standard, which is the way we’ve run Medeco jobs since Preston Locksmith & Security started in 2008. You get a written price before any tool leaves the bag, a live arrival time you can track, and before-and-after photos of the work.
- 1
Diagnosis on the phone, then on site. You describe the symptom over the phone. We give you a realistic price range and schedule a trackable arrival window. On site, our tech confirms the diagnosis and writes the exact price before starting work.
- 2
Repair or install with OEM Medeco parts. For rekeys, we re-pin the cylinder using Medeco pinning stock to match your existing or new restricted keys. For repairs, we replace the failed component, whether that’s a sidebar spring, a pin, or a worn key blank. For installs, we fit the Medeco Maxum deadbolt or cylinder to your door, including strike alignment and frame prep if needed.
- 3
Test under real conditions. We cycle the lock at least ten times, throw the bolt with the door aligned, and verify all keys work before we pack up. If the thumbturn still binds or the key sticks even slightly, we address it then, not on a callback.
- 4
Written warranty, photos, and invoice. You get before-and-after photos, a digital invoice with a pay link, and your 365-Day Done Right Promise in writing. If anything fails within that year, we come back and make it right at no charge.
Medeco Products We Service & Install in Los Angeles
We service the Medeco Maxum deadbolt line, including the 11WC60L and comparable commercial-grade units, along with Medeco service in Glendale for deadbolt cylinders running ARX or keymark restricted keyways. We also work on Medeco cam locks and file cabinet locks found on older office furniture across Los Angeles. Our trucks carry OEM pinning kits for the most common Medeco keyways, sidebar springs, and restricted key blanks. For new installs, we stock Maxum deadbolts in common finishes and can order specialty configurations with a fast turnaround. If your Los Angeles property needs a Medeco cylinder retrofitted into an existing Schlage or Kwikset mortise or cylindrical lock body, we can usually match the keyway and hardware prep without replacing the entire door set.
We Also Service These Brands
Medeco isn’t the only high-security line we touch. Preston Locksmith & Security is trained and equipped to service Schlage, Kwikset, Yale, Baldwin, Mul-T-Lock, Sargent, and Abloy hardware. If your Los Angeles home or business mixes Medeco on the front door with Schlage on the back and Kwikset on the garage, we can key everything to one system without sacrificing the restricted keyway on your Medeco.
FAQs – Medeco Locksmith Service in Los Angeles
No. We are an independent Medeco service provider in Los Angeles, not a Medeco-authorized dealer. Independence means we source the OEM parts and restricted key blanks you need without locking you into a manufacturer dealer network, and we can make repair-or-replace calls based on what’s best for your door and budget, not a sales quota.
It depends on the keyway and whether the key was issued on a restricted system that legally requires the card. Some Medeco restricted keyways, like keymark, have controlled blanks that require proof of ownership before we can cut. Others can be decoded from the existing lock cylinder by a locksmith with Medeco pinning experience. Call (409) 405-4485 with the markings on the key, and we’ll tell you up front whether it’s a rekey, a re-pin, or a card-holder situation.
Usually, it’s the sidebar mechanism or a worn key, not the whole lock. The sidebar is what transfers key rotation to the bolt, and a key cut on a standard duplicator wears it down over time. We can often rebuild the cylinder with OEM sidebar parts and re-pin it to your original key, which is much cheaper than replacing the entire deadbolt. Call (409) 405-4485 for a free phone diagnosis.
If the cylinder is a current Medeco keyway with good structural integrity, rekeying is almost always the right move. You keep the lock body, we re-pin the cylinder to new keys, and the whole job costs a fraction of a new Maxum. If the keyway is obsolete and we can’t get OEM pins or blanks anymore, replacement is the honest answer. We’ll show you the math on both options before you decide.
Yes. Most standard Medeco service in Long Beach covers doors with Schlage or Kwikset cylindrical deadbolts that accept a Medeco Maxum with minimal prep. We handle the bore sizing, strike alignment, and any frame adjustments. If you’re converting a mortise lock setup, we’ll assess the door prep and give you a written price for whatever retrofitting is required before we start.
Rekeying a Medeco cylinder typically runs $95 to $185 per cylinder, depending on the keyway and whether we’re re-pinning to existing restricted keys or generating new ones. A full Anaheim Medeco service for Maxum deadbolt installation generally runs $210 to $385 including hardware, strike alignment, and the written warranty. The price we quote on the phone is the price on the invoice, no call-out surcharge added when we arrive. Call (409) 405-4485 for an exact quote, estimates are free.
Medeco keys have angled cuts that engage rotating pins. When dust, dry lubricant, or coastal grit builds up in the cylinder, those pins don’t spin cleanly and the key feels like it’s dragging. We clean the cylinder and lubricate it with a dry PTFE treatment. If cleaning doesn’t fix it, the key pins themselves are likely worn and need replacing, not just the key. We can diagnose the difference in a few minutes on site.
Book Your Medeco Service in Los Angeles, CA
Need Medeco rekeying, repair, or a new Maxum deadbolt installed in Los Angeles? Call (409) 405-4485. We’ll give you a written price before anyone is dispatched, and you can track the technician’s arrival live. Real price on the phone. Same price at the door. That’s it.
Written by Kevin Yoon, Owner at Preston Locksmith & Security, serving Los Angeles since 2008.






