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Get your free estimateMedeco Locksmith in Lennox, CA | Greystone Locksmith
We provide independent Medeco locksmith service across Lennox, covering Maxum deadbolts, Medeco3 and M3 Biaxial cylinders, and KeyMark systems in the rental buildings and older homes that define this unincorporated pocket of LA County. The one thing that makes our Medeco work here different is that we know Lennox’s move-out rekey reality: most restricted-keyway jobs come from tenants leaving, out-of-area landlords approving work by phone, and key-control paperwork that has to be documented for someone who’s never stood at the door. We’re not authorized by Medeco, and we tell you that up front. Call (866) 497-9415 for straight answers and a free estimate.
Why Lennox Residents Choose Us for Medeco Service
Medeco hardware shows up all over Lennox, especially on multi-unit buildings where a landlord installed a Maxum deadbolt or KeyMark cylinder years ago and the management company has cycled through three times since. We work on the lock in front of us, not just the brands we prefer. Gil Tanner, our owner, has spent the better part of three decades working locks across Southern California, and he built his reputation on residential rekeying and commercial high-security installs. A lock is only as good as the installation behind it.
That matters in Lennox because so much of the housing stock dates back to the 1920s through 1950s. Original mortise locks, doors that have shifted for decades, and landlord-installed Medeco cylinders that were dropped into pockets never meant for them. We’re local to this service area, we carry genuine Medeco cylinders and pins, and we respond fast to a neighborhood where shared entry doors concentrate lock problems in ways neighboring incorporated cities don’t see.
We also carry the full picture on Medeco sales & service, so if a cylinder is worn past re-pinning, we’ll tell you straight and talk replacement options that fit the building.
Styles & brands we work with







Common Medeco Locksmith Problems We Solve in Lennox
- Paint-fouled and dust-packed restricted keyways. Salt air off Santa Monica Bay carries inland grit that loads pin chambers on exposed Lennox entry doors. A Medeco Maxum plug that won’t turn often just needs the plug freed and cleaned, not replaced. We see this constantly on older apartment entries that face the street.
- Medeco cylinders dropped into aging mortise pockets. On the small-lot houses from the 1920s-1950s, doors have moved for decades and the bolt drags on a strike that was never realigned. It reads as a lock failure but it’s a fitment problem. We fix the strike and the bolt seats clean.
- Lost key-control cards on multi-unit rentals. Lennox rekeys turn over constantly after move-outs, and many landlords are out of area. We regularly meet a restricted Medeco cylinder nobody can legally key to without paperwork. We verify authorization, pull whatever records exist, and re-pin to a fresh keyway.
- Mismatched cylinders across one door. An original builder knob and a Medeco deadbolt keyed separately on the same door means tenants juggle two keys. A single lost restricted key strands the whole door. We consolidate the keying so one restricted key operates everything.
- Worn cylinders that can’t be re-pinned. When pins or the plug are scored past holding a new keying, we don’t promise a rebuild will hold. We replace the cylinder with genuine Medeco and document the new key-control chain.
Medeco Service in Lennox: What Local Conditions Mean for Your Equipment
Here’s the thing about Lennox that shapes almost every Medeco job we do here. Lennox is unincorporated LA County, and its rental stock is heavily owned by out-of-area landlords. That means rekey volume is move-out driven, not permit driven. A tenant leaves, the management company in Sherman Oaks or Torrance needs the locks changed before the next tenant moves in, and nobody is standing at the door. The Medeco restricted-keyway job has to be authorized remotely, documented with a keying chart, and keyed in a way that keeps the key-control chain intact for an owner who will never see the work in person. In Lennox, that’s not an occasional task. It’s the dominant service pattern.
The mild, dry South Bay climate plays a role too. Lennox doesn’t get the freeze-thaw cycling that wrecks locks in mountain towns. Our locks fail less from weather than from wear, dust, and salt air carried inland from Santa Monica Bay. That grit works into exposed keyways and pin chambers, especially on ground-floor units along busy streets. It’s why a cleaning and lubrication solves half the Medeco problems we’re called for before any parts need replacing.
Medeco Models & Products We Service in Lennox
We work on the Medeco lines you’ll actually find in Lennox. The Maxum deadbolt is the most common residential high-security lock on the rental stock here. The Medeco3 and M3 Biaxial cylinders are still running in buildings where a locksmith installed them twenty years ago and the landlord never changed keys since. KeyMark and KeyMark XT cylinders show up on commercial entries and some mixed-use buildings. We also service Medeco mortise and rim cylinders on older storefronts in the unincorporated commercial strips.
On parts, the rule is simple. Wherever the keyway is restricted, we use genuine Medeco cylinders and pins, because aftermarket blanks and pins break the key-control guarantee the owner paid for. On older mortise bodies, we’ll fit a Medeco cylinder into sound existing hardware rather than push a full replacement. If a cylinder is worn past re-pinning, we say so and replace it. We stock common Medeco pins and cylinders locally so Lennox turnaround stays fast, and we cover the rest of the Lennox service area without routing you to a parts house in another city.
Medeco Service Pricing in Lennox
Let’s talk numbers so you know what to expect. A standard Medeco cylinder rekey in a Lennox rental unit typically runs $25 to $45 per cylinder, depending on whether we’re re-pinning to a fresh restricted keyway or mapping an existing master key system. Medeco Maxum deadbolt installation starts around $180 and can reach $320 for full hardware including strike reinforcement and fitment work on an older door. KeyMark cylinder installation on a commercial entry generally runs $95 to $175 per cylinder. All prices vary based on access, cylinder count, and whether we’re building a master key system from scratch.
We quote the full price on the phone before anyone is dispatched, and that is the price on the invoice. No call-out surcharge added on arrival. Call (866) 497-9415 for a free estimate on your exact building.
Serving Lennox, CA — Our Local Coverage Area
We’re based in the Lennox 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 Lennox
Yes. We re-pin restricted Medeco cylinders to a fresh keyway without the original card, provided we can verify your authorization as the property owner or manager. We document the new keying and issue a fresh key-control card so the chain stays intact going forward. Call (866) 497-9415 and we’ll walk you through what we need.
Probably not. On older Lennox homes with decades-old doors, the usual cause is a dragging strike or a shifted door frame, not a failing Medeco cylinder. Salt air grit in the keyway can also make the plug feel stiff. We clean it, realign the strike, and the bolt seats clean again. If the cylinder itself is worn past re-pinning, we’ll tell you straight and quote a genuine Medeco replacement.
Yes. We design and install Medeco master key systems across residential buildings, including older Lennox stock with mixed hardware generations. Each unit keeps its own restricted key, the manager’s key operates all doors, and you get a documented keying chart like any commercial system. Call (866) 497-9415 and we’ll survey the building and price it per cylinder.
No. Rekeying a Medeco cylinder changes the keying without replacing the hardware. We re-pin the cylinder to a new restricted keyway, and the old keys stop working immediately. It’s faster and less expensive than full replacement, and it preserves the Medeco key-control chain you already paid for.
Not for the lock work itself. Rekeying and cylinder replacement don’t require a County permit. The difference in Lennox is practical: so many landlords are out of area that we’re set up to verify authorization by phone, document the job, and send you a keying chart without you ever standing at the door. Call (866) 497-9415 for a free estimate.
Service Areas Near Lennox
We handle Medeco service across Lennox and into the surrounding South Bay and nearby communities. That includes Medeco service in Inglewood directly to the east, and Medeco service in Hawthorne to the south. We also work into Riverside, Pedley, and Woodcrest for property owners who manage buildings across the region.
Book Your Medeco Service in Lennox Today
Need a Medeco rekey, a Lennox Emergency Locksmith for urgent lockouts, a master key system, or a deadbolt that finally latches right? We’re equipped, we know the hardware, and we show up ready. Call (866) 497-9415 for a free estimate, or talk through your building’s keying with Gil Tanner himself.
Written by Gil Tanner, Owner at Greystone Locksmith, serving Lennox and the surrounding communities.