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Get your free estimateMedeco Locksmith in Los Angeles, CA | True Blue Locksmith
We provide independent Medeco locksmith service across Los Angeles, with a focus on getting your high-security hardware working again without the dealer markup. What sets our Medeco work apart here is that we understand how LA’s older buildings stack hardware generations on a single door, which changes how a rekey or repair actually goes. If you need a Medeco cylinder serviced, re-pinned, or replaced in Los Angeles, call us at (877) 358-5506 and we’ll give you an honest quote before anyone is dispatched.
Why Los Angeles Residents Choose Us for Medeco Service
Medeco hardware shows up everywhere in Los Angeles once you start looking: Maxum deadbolts on Spanish Revival front doors, M3 cylinders on Koreatown Medeco service security gates, M4 restricted keyways on apartment building entries. We work on these systems every week, which means we know the sidebar mechanics, restricted key logistics, and cylinder formats from the bench, not from a manual. We’re an independent shop, so we’ll tell you straight when a Maxum is the right call and when a rebuilt vintage cylinder makes more sense than a new lock.
Noel Carrasco, our owner and lead locksmith, grew up in Santa Fe Springs and trained at Cerritos College’s vocational program before spending nearly two decades working locks across southeast LA County. That background matters when you’re dealing with a Medeco system on a 1920s building. We know the hardware because we’ve pulled it apart, rebuilt it, and cut keys for it, not because we read a spec sheet. Our Medeco sales & service work covers the full range of what Los Angeles throws at us.
Styles & brands we work with







Common Medeco Locksmith Problems We Solve in Los Angeles
Here are the Medeco-specific issues we see most often across Los Angeles:
- Dry, gritty sidebar springs. LA’s dry heat and Santa Ana wind dust work their way into exterior Medeco cylinders, leaving the sidebar springs and pins dry enough that a key inserts fine but needs a jiggle to turn. This shows up constantly on gate-mounted cylinders in Koreatown and Pico-Union, where iron gates sit exposed all year.
- Corrosion from coastal marine air. Along the 90004 – 90007 corridor, marine air pits and corrodes Medeco hardware bolted to steel security doors and iron gates faster than interior cylinders. The sidebar seizes before the pins show visible wear, which makes the lock feel dead even though the keyway looks fine.
- Binding from seasonal door movement. In 1920s Spanish Revival and Craftsman homes, wood doors swell during winter rain and shrink in summer. A perfectly good Medeco Maxum starts binding because the strike plate and jamb have shifted, not because the cylinder failed. We adjust hardware rather than selling you a new lock you don’t need.
- Restricted-keyway lockouts and turnovers. When the original key card or control card is missing, an M3 or M4 cylinder can’t just be copied at a hardware store. It has to be re-pinned to a fresh restricted keyway or replaced entirely. This is the most common Medeco-specific call we get from multi-unit buildings in Los Angeles.
- Generational hardware stack-ups. A single door in an older LA building often carries a 1920s mortise case, a later steel security door, and a newer Medeco cylinder all at once. Master-keying that building means decoding mismatched cylinders from different eras on the same frame before any key gets cut.
Medeco Service in Los Angeles: What Local Conditions Mean for Your Equipment
Los Angeles locksmith work is split between Spanish-colonial and mid-century single-family homes with vintage mortise and mortise-cylinder hardware, and a huge stock of 1920s-1970s apartment buildings in the 90004 – 90008 ZIP codes where landlords need master-key systems and unit rekeys between tenants. That split shapes how Medeco service actually plays out here. In Koreatown and Pico-Union’s 1920s courtyard apartment buildings, one door routinely carries three or four generations of hardware: an original skeleton-key mortise case, a later steel security door, and an added Medeco cylinder. A building master-key job here means decoding cylinders from different eras on the same frame before a single key can be cut. We’ve done exactly that on a six-unit courtyard building off Vermont Avenue in Koreatown, where we found the original 1920s mortise case, a 1980s iron security door, and a Medeco M3 cylinder all stacked on the same front door, with the M3 key card long gone. We rebuilt the mortise case, re-pinned the Medeco cylinder to a new restricted keyway, and cut a landlord master plus six tenant keys so the owner could re-let without the old tenant key working.
Noel puts it plainly: “Honest work, solid locks – that’s the whole job.” That’s how we approach every Medeco cylinder we touch in Los Angeles.
Medeco Models & Products We Service in Los Angeles
We service the full Medeco line that shows up on LA doors and gates: the Maxum deadbolt, M3 and M4 keyway cylinders with patented restricted keys, the Medeco Original and Security Deadbolt, and high-security padlocks plus rim and mortise cylinders for gates and commercial doors. We use OEM Medeco cylinders, sidebar springs, and keys whenever the restricted keyway has to stay intact. On non-restricted interior and secondary doors where key control isn’t the issue, we’ll use quality aftermarket cylinders if it saves you money without cutting corners. We’d rather rebuild a sound Medeco cylinder with new pins and springs than sell you a whole new lock, but once a sidebar or body is corroded through, replacement is the honest answer.
Medeco Service Pricing in Los Angeles
Medeco service pricing in Los Angeles depends on what you actually need, and we quote the full price on the phone before anyone rolls out. Here’s what to expect:
- Medeco cylinder re-pin to a new restricted keyway: $85 – $150 per cylinder, depending on whether we’re cutting new keys from a fresh control card or working from an existing system.
- Medeco Maxum or Security Deadbolt installation: $220 – $380 including hardware and labor, with the final number set by door condition and whether we’re retrofitting a vintage mortise frame or a standard bore.
- Master-key system setup for a multi-unit building: $35 – $65 per cylinder plus the master and tenant key cuts, quoted as a flat job price after we see the building’s hardware mix.
- Gate or security-door Medeco cylinder replacement: $120 – $220, higher when we’re working around corroded bolts or a rusted mortise pocket.
- Service call and diagnostic: included in the repair quote; there’s no separate call-out surcharge added when we arrive.
What drives the cost is whether your Medeco uses a restricted M3/M4 keyway, how many cylinders are involved, and what condition the surrounding door or gate hardware is in. Call (877) 358-5506 for a free estimate and we’ll give you an exact number before anything gets scheduled.
Serving Los Angeles, CA — Our Local Coverage Area
We’re based in the Los Angeles 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 – Medeco Locksmith in Los Angeles
No, not without the original key card or control card, and anyone who tells you otherwise is cutting a key that won’t work. Restricted Medeco keyways (M3 and M4) are patented, and keys can only be duplicated through a dealer with the card on file, or by re-pinning the cylinder to a fresh restricted keyway we control. If your card is gone, we re-pin and cut new keys. Call (877) 358-5506 and we’ll walk you through what applies to your cylinder.
LA’s dry heat and Santa Ana wind dust dry out the sidebar springs and pins inside exterior Medeco cylinders, and the grit acts like sandpaper on the sidebar. The key inserts fine but needs a jiggle to turn. We clean, lubricate, and often re-spring the cylinder, which usually restores smooth operation without replacing the lock. If it’s a gate-mounted cylinder in Koreatown or Pico-Union, it’s probably seen years of exposure and could benefit from Medeco in Echo Park expertise. Call (877) 358-5506 for a free estimate.
Yes, and this is exactly the kind of job we do regularly across Los Angeles. We decode each door’s hardware generations first: the original mortise case, any added security-door cylinders, and the Medeco cylinders on top. Then we build one system that works across all of them, cutting a landlord master plus tenant keys that operate only the doors they’re supposed to. The old tenant keys stop working the moment the rekey is done. Call (877) 358-5506 for a site walkthrough and flat quote.
Yes, and it’s one of the most common Medeco installations we do in Los Angeles. Iron gates and steel security doors usually need a rim or mortise cylinder, and Medeco repair in Silver Lake and nearby areas shows marine air along the 90004 – 90007 corridor corrodes exposed hardware faster than interior locks. We match the cylinder format to the gate’s existing mortise pocket and bolt pattern, and we use corrosion-resistant hardware where the gate faces coastal air. Call (877) 358-5506 and we’ll quote the job over the phone.
It can, but it depends on the door. Spanish Revival front doors in Los Angeles are often solid wood with a vintage mortise lockset, and Medeco makes rim and mortise cylinders that retrofit cleanly into those cases. The catch is seasonal wood movement: winter rain swells the door, summer heat shrinks it, and a Medeco cylinder with tight tolerances will bind if the strike and jamb aren’t adjusted properly. We’ll tell you honestly whether Medeco service in Hollywood can determine whether a Maxum deadbolt above the original lockset or a replacement mortise cylinder is the better move for your door. Call (877) 358-5506 for a straight answer.
Service Areas Near Los Angeles
Beyond Los Angeles, we regularly serve nearby cities and neighborhoods including Irvine, Tustin, Costa Mesa, Santa Ana, and North Tustin. For Medeco work in Riverside County, see our Medeco service in Murrieta page, and for the Inland Empire’s Sun City area, our Medeco service in Sun City page covers what you need. Our full coverage is on the Los Angeles service area page.
Book Your Medeco Service in Los Angeles Today
If your Medeco cylinder is binding, corroded, or you’ve lost the key card, we can help. Call True Blue Locksmith at (877) 358-5506 for a free estimate, and we’ll quote the full price on the phone before anyone is dispatched. Same-day service is available for urgent Medeco lockouts and cylinder failures across Los Angeles.
Written by Noel Carrasco, Owner at True Blue Locksmith, serving Los Angeles since 2005.