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Get your free estimateMedeco Locksmith in Lancaster, TX | Stalwart Locksmith
We service Medeco locks across Lancaster, Texas as an independent locksmith. That means rekeys, rebuilds, deadbolt installs, and key replacement on Maxum, M3, M4, and Biaxial systems, using genuine Medeco parts where the restricted keyway is the whole point. What makes our Medeco work different in Lancaster specifically is that we know when a stiff deadbolt is actually a foundation-shifted door, not a lock failure. Call (877) 626-0257 for a direct quote before anyone is dispatched.

Why Lancaster Residents Choose Us for Medeco Service
Medeco is not a brand you hand to just anyone. The restricted keyways, the angled pin cuts, the sidebar, the key-control cards? That is a different discipline than swapping a Kwikset knob. Russ Thibodeau, our owner, learned locksmithing through the vocational program at Tarrant County College, where hands-on instruction gave him a practical foundation he still applies to every Medeco cylinder he touches. That training shows up in the small things: checking the door slab before blaming the cylinder, pinning to factory spec instead of eyeballing it, and telling a customer plainly when a rebuild beats a replacement.
We are not authorized by Medeco, and we will not pretend otherwise. What we are is familiar, from Medeco sales & service work on Biaxial cylinders to installing the heavy Maxum deadbolts on newer Lancaster doors. Lancaster residents call us because we answer the phone, show up with the right pins and springs, and quote the full price before we leave the shop.
Styles & brands we work with







Common Medeco Locksmith Problems We Solve in Lancaster
Every one of these is something we have seen on doors in this city, not a theoretical list from a manual. Here is what actually goes wrong with Medeco hardware in Lancaster:
- Stiff Maxum deadbolts on older core doors. A Medeco Maxum bolt that turns hard is often fighting a door slab that has shifted out of square. Lancaster’s clay soil moves, and the mid-century homes near the historic core in 75146 feel it worst. The cylinder is frequently fine; the jamb is misaligned. We re-mortise the strike, adjust the slab, and the lock turns like it should.
- Sun-baked Biaxial cylinders that hang up. Decades-old Biaxial cylinders on west-facing Lancaster doors collect dust, dried lubricant, and micro-debris in the pin stacks. North Texas summer sun bakes the exterior side until the key refuses to seat partway in. A careful disassemble, clean, and re-pin fixes it. A cylinder swap does not.
- Misaligned strike plates after door jamb warp. Spring hail and summer heat warp wood jambs on Lancaster exteriors. Elongated screw holes and a strike that has drifted mean the Medeco bolt stops seating cleanly. We re-set the strike with proper backing and longer screws where the frame allows it.
- Lost restricted keys on M3 or M4 systems. This one is common when a Lancaster home changes hands. The previous owner leaves no key-control card, no record of the key code, and the new owner has one working key and no way to get another cut at a hardware store. The fix is a controlled cylinder replacement with fresh restricted keys, not a roadside rekey.
- Builder-grade upgrade decisions. Homeowners in the newer tract subdivisions toward 75134 often want a Medeco deadbolt on a door that came with a Kwikset or Schlage. We walk through what fits, what the reinforcement plate options are, and whether the door is even worth upgrading before the jamb is addressed.
Medeco Service in Lancaster: What Local Conditions Mean for Your Equipment
Lancaster’s housing stock splits almost cleanly in two. The 75146 historic core carries original, decades-old knob locks and deadbolts that have been through dozens of rekeys, weather cycles, and at least one foundation shift. The 75134 subdivisions are the opposite: fast-built 2000s and 2010s tract homes with bulk-installed builder-grade pin-tumbler deadbolts and no manufacturer master key records on file. That split means Medeco work in Lancaster is less about emergency lockouts and more about upgrading and rekeying two very different vintages of door. On a mid-century ranch near the historic Lancaster core in 75146, a homeowner’s Medeco Maxum deadbolt had gotten so stiff the key would barely turn, and the previous outfit had just swapped the cylinder and called it done. Our tech found the door slab sitting out of square from years of clay-soil movement, so we re-mortised the strike, adjusted the jamb, and re-pinned the original Medeco cylinder to the homeowner’s new key, and it has been smooth through two summers since. The lock either works or it doesn’t, let’s make sure it works. In Lancaster, that means checking the door before the cylinder.
Medeco Models & Products We Service in Lancaster
We work on the Medeco Maxum deadbolt line, including the 11TR and 11WC rim and mortise cylinders, plus the M3 and M4 cylinder platforms and the original and Patriot Biaxial systems. Our approach on parts is practical: when the restricted keyway and pick-resistance are the entire reason you bought Medeco, we fit genuine Medeco cylinders, keys, and repair kits. Inside those cylinders, quality aftermarket pins and springs hold tolerances fine. On older Lancaster hardware, we will tell you honestly whether a rebuild and re-pin will outlast the door it is mounted in, or whether replacing the cylinder or the whole lockset is the smarter spend. We stock the common service parts locally so a Lancaster repair does not wait on a shipment from the east coast.
Medeco Service Pricing in Lancaster
What you pay depends on what the cylinder needs. A straightforward rekey on a Medeco Biaxial or M3 runs between $85 and $160 per cylinder. A rebuild with new pins, springs, and a cleaned sidebar runs $110 to $190. A full controlled cylinder replacement for a lost M3 or M4 key, where the old restricted keyway has to be abandoned, starts around $195 and can reach $340 depending on the cylinder and key count. Deadbolt installation, including the Maxum, runs $140 to $280 per door when no major jamb repair is needed. Older Lancaster doors with shifted jambs add $60 to $150 for re-mortising and strike adjustment. Every Medeco job gets a free on-site assessment and a firm quote before work begins. Call (877) 626-0257 and ask for the Medeco service line, we will give you the real number before anyone gets in a truck.
Serving Lancaster, TX — Our Local Coverage Area
We’re based in the Lancaster area and know this community well, and we also provide Glenn Heights Medeco service and coverage in surrounding towns. Use the map below to see our full service coverage — if you’re nearby, we can almost certainly help.
FAQs – Medeco Locksmith in Lancaster
No. We are an independent locksmith with deep hands-on Medeco service experience across Lancaster, plus Medeco repair in Hutchins and nearby areas, but we are not authorized, sponsored, or warranty-endorsed by Medeco. For some Lancaster customers, that matters; for most, the question is whether the person at the door can pin a Biaxial correctly, and that we can do.
Yes. We service commercial Medeco installations in Lancaster, including rim and mortise cylinders on panic-bar exit devices, storefront deadlatches, and controlled key systems for multi-unit properties. We also offer Medeco service in DeSoto for commercial clients there. Commercial work is scheduled and surveyed, not dispatched on an emergency timeline, and you get a written scope with a flat per-lock price before we begin.
A standard rekey or cylinder rebuild on a Medeco lock takes 40 to 90 minutes on site. A controlled cylinder replacement with new restricted keys takes longer because the key cuts have to be documented and a new key-control card issued. Lancaster jobs on older core homes sometimes add time for jamb work, but we will tell you that before we start, not after. Call (877) 626-0257 for a time estimate on your specific hardware.
We service the Maxum deadbolt line including the 11TR and 11WC rim and mortise cylinders, the M3 and M4 cylinder platforms, and both the original and Patriot Biaxial systems. That covers most of the Medeco hardware installed in Lancaster homes and businesses. If you have an older or unusual Medeco product, call us and describe it; chances are good we have worked on it.
Most Lancaster Medeco jobs land between $85 and $340 per cylinder, depending on whether it is a rekey, a rebuild, or a full controlled cylinder replacement after lost keys. Door work on older core homes sometimes adds $60 to $150. The price we quote on the phone is the price on the invoice, no arrival surcharge. Call (877) 626-0257 and we will give you an exact number before anyone is dispatched.
Service Areas Near Lancaster
We run Medeco service calls throughout southern Dallas County from our Lancaster service area base. That puts us close to nearby work in Arlington, Grand Prairie, and the smaller communities around the county. We also take Medeco jobs in Medeco service in Double Oak and Medeco service in Red Oak for customers who need controlled-key work done right the first time.
Book Your Medeco Service in Lancaster Today
If you have a Medeco lock in Lancaster that needs rekeying, rebuilding, or replacing, call (877) 626-0257. We will ask what hardware you have, give you a firm price, and get a tech to your door. Same-day service is available for most Lancaster calls, and we also offer Medeco service in Wilmer with the same prompt response.
Written by Russ Thibodeau, Owner at Stalwart Locksmith, serving Lancaster and surrounding communities.