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Car keys & fobsNon-destructive entry first, always - and we re-key Schlage, Kwikset, and Baldwin locks on the spot while you watch
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Get your free estimateMedeco Locksmith in Dallas, TX | Stalwart Locksmith
We provide independent Medeco service in Highland Park and across Dallas, from Oak Cliff bungalows to Uptown towers. What makes our Medeco work different here is that we rebuild and retrofit these high-security locks for the doors Dallas actually has, not just the new construction spec sheet. If you’ve got a Medeco that won’t throw, a restricted key you’ve lost, or a cylinder that needs re-pinning, call (877) 626-0257 and we’ll tell you straight what it needs.

Why Dallas Residents Choose Us for Medeco Service
Medeco locks are a different animal from the Kwikset or Schlage hardware most shops stock parts for. We work on all eight major lock brands, from Schlage and Kwikset up to Medeco, Mul-T-Lock, and Abloy, so the Medeco on your door isn’t a one-off project for us, it’s familiar territory. Russ Thibodeau, our owner, learned this trade through the vocational program at Tarrant County College, where he got hands-on instruction that still shapes how we approach every cylinder. He’s the guy who’ll tell you the lock either works or it doesn’t, let’s make sure it works. We carry genuine Medeco pins and cylinders for the lines Dallas doors actually fail on, and we’re set up to get to you quickly when a deadbolt won’t seat. You don’t need to replace a good Medeco when a rebuild will do, and we’ll never push you toward one.
Styles & brands we work with







Common Medeco Locksmith Problems We Solve in Dallas
- Restricted-keyway cylinders with lost documentation. When a home in East Dallas changes hands and the Medeco key card or keymark paperwork never made it to the new owner, the rekey can’t be done from a code. We rebuild the cylinder from the lock itself, cut new restricted keys, and get you back to controlled access without replacing the entire lock.
- Deadbolts that bind after the first 100°F week. Dallas’s long, humid summers swell wood door slabs, and a high-tolerance Medeco bolt has almost no play to spare. What feels like a failed lock is usually a door frame problem, and it peaks every July across ZIPs like 75208 and 75204.
- Sheared bolts from undersized doors. We see Medeco Maxum and M3 deadbolts that were bolted into hollow-core or unsupported frames, and after enough flex the bolt shears or the strike wallows out. The lock was fine, the prep wasn’t, and the fix is rebuilding the seating, not swapping the cylinder.
- Lost restricted keys on commercial systems with no master chart. Small office buildings in Dallas that installed Medeco years ago often have no master-key map left behind. We re-pin the whole system and re-issue keys with new key-control paperwork so you know exactly who holds access.
- Humidity-seized rotating pin tumblers. Medeco’s rotating pins and hardened inserts resist picking and bumping, but after years of Dallas humidity cycling against an old door, they can wear and seize. We clean and rebuild the cylinder with genuine springs and pins rather than condemning the hardware.
Medeco Service in Dallas: What Local Conditions Mean for Your Equipment
Dallas locksmith work splits down two very different paths, and Medeco owners live on both of them. In the inner-ring neighborhoods like Oak Cliff and East Dallas, you’ve got century-old Craftsman bungalows with original wood doors, letter slots, and mortise locks that need restoration-grade care. On the north side, Uptown and the Park Cities are full of high-rises and gated estates running electronic access control and intercom systems, and we also handle University Park Medeco service. A single shift here can go from a 1920s mortise lock in 75208 to a 40th-floor fob system near Turtle Creek. For Medeco specifically, the first sustained 100°F week each summer reliably triggers a wave of deadbolt lockouts in those inner-ring ZIPs because the wood door slabs swell against the frame and the high-tolerance Medeco bolt no longer lines up with its strike. That’s a seasonal pattern tied to the housing stock, not the brand, and it’s why we stock the pins and springs to rebuild those cylinders same-day instead of telling you to wait on a replacement.
Medeco Models & Products We Service in Dallas
We work on the Medeco Maxum deadbolt, the M3 and M4 cylinders with their keymark and patent-protected keyways, the Deadbolt 11 series, and Medeco’s high-security rim and mortise cylinders for commercial doors. On any restricted keyway, we use genuine Medeco cylinders, pins, and key blanks because an aftermarket substitute breaks the whole key-control premise you bought the lock for in the first place. For older or discontinued Medeco hardware, we don’t push replacement. We rebuild the existing case with quality springs and pins, which matters when the lock is mounted on an Oak Cliff door you can’t replace without gutting a century-old entryway. That’s high-security, not high-hassle.
Medeco Service Pricing in Dallas
Medeco service in Dallas typically runs $95 to $165 for a standard rekey or cylinder rebuild, with master-key system re-pins for small commercial buildings starting around $35 to $60 per cylinder depending on the keymark and keyway involved. New Medeco Maxum deadbolt installations with hardware generally land between $240 and $420 per opening. What drives the cost is cylinder type, whether we’re rebuilding from scratch due to lost key cards, and how many openings are involved. A free estimate covers all of that before we touch the lock. Call (877) 626-0257 for an exact quote, and the price we give you on the phone is the price on the invoice. That’s how we run every job in Dallas.
Serving Dallas, TX — Our Local Coverage Area
We’re based in the Dallas 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 Dallas
Yes. When the original key card or keymark documentation is lost, typically after a home sale in Dallas, we rebuild the cylinder from the lock itself rather than from a code. We re-pin it, cut new restricted keys, and re-issue key-control paperwork so you regain full control of who can duplicate your keys. Call (877) 626-0257 and we’ll walk you through what your specific cylinder needs.
It’s almost always the door. Dallas’s hot, humid summers swell wood door slabs, and the high-tolerance Medeco bolt has very little room to spare, so the bolt binds against a strike that shifted with the frame. We re-mortise and reset the strike, ease the door edge, and the same lock works again. If you’re fighting it every July, call (877) 626-0257 before the frame damage gets worse.
We’re an independent Medeco service provider, not manufacturer-affiliated or authorized. That independence means we source genuine Medeco cylinders, pins, and key blanks through legitimate distribution channels, but we’re never obligated to push a full replacement when a rebuild is the smarter fix. We service Medeco because we know the hardware, not because a dealer agreement says we have to.
Yes. We design and install Medeco master key systems for small commercial properties across Dallas, from North Dallas office strips to lower Greenville storefronts, and Medeco in Richardson too. Each opening gets a written key chart, restricted key blanks, and clear documentation of who holds which level of access. Call (877) 626-0257 and we’ll scope it out with a flat per-lock price before any work starts.
Yes, if the door and frame are solid or we reinforce them first, including for Cockrell Hill Medeco service. A Medeco Maxum or M3 on a 1920s solid-wood door gives you pick- and bump-resistant security that a standard deadbolt can’t match, and we can rebuild the existing mortise case so you keep the original letter-slot hardware intact. The lock is only as strong as the frame it’s mounted in, so we’ll tell you honestly if the prep needs work first. Call (877) 626-0257 for a free assessment.
Service Areas Near Dallas
We run Medeco service calls throughout Dallas and into the surrounding communities. That includes Medeco service in Farmers Branch to the north, Medeco service in Westlake on the west side, plus Arlington, Pantego, Dalworthington Gardens, Grand Prairie, Hurst, and Euless. If you’re just outside Dallas proper, we’re close by.
Book Your Medeco Service in Dallas Today
Got a Medeco that won’t throw, a lost restricted key, or a master system that needs re-pinning? Call (877) 626-0257 now. We’ll give you a straight answer and a free estimate before we dispatch, and for many Dallas callers we can be there same day. Our Dallas service area covers the city and surrounding communities.
Written by Russ Thibodeau, Owner & Locksmith at Stalwart Locksmith. For more on our high-security hardware work, see Medeco sales & service.