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.
Medeco Locksmith in Denver, NY | Novak Lock & Security
We provide independent Medeco locksmith service across Denver, from rekeying legacy Biaxial cylinders in Capitol Hill walk-ups to installing new M3 deadbolts in Highlands bungalows. We’re not a Medeco factory outlet and we’re not manufacturer-authorized. What we are is a local shop stocked with genuine Medeco pins, springs, and cylinders, and a crew that has pulled apart enough seized M3s to know exactly what Denver’s climate does to high-security hardware. Call (331) 310-8471 for a written price before anyone touches a lock.
Why Denver Residents Choose Us for Medeco Service
Medeco locks are not like Kwikset or Schlage. The angled pins, the key control, the sidebar mechanism: everything is machined to tolerances that punish sloppy work. A lock that works fine in humid Atlanta air can bind hard after two Denver winters. That’s why a generalist locksmith who treats a Biaxial like any other deadbolt will often leave it worse than they found it. Daniel Novak has spent close to two decades working New York City cylinders and Denver high-security hardware, and the crew is trained to service Medeco the way it was designed: pin by pin, with OEM parts and a torque driver set to factory spec. We sell and service Medeco across the metro, and we will tell you plainly whether a lock is worth repairing or should be replaced. The price is written before we start. That rule has held since 2002.
Common Medeco Locksmith Problems We Solve in Denver

- Hard key insertion or full deadbolt jam after a temperature swing. Denver’s freeze-thaw cycles cause brick and wood door frames to shift by fractions of an inch. Medeco’s pin tolerances are so tight that even a 1/8-inch strike plate drift can make the key bind or refuse to turn. We re-align the strike, re-set the frame anchors, and the lock works again.
- Gritty, sluggish pin movement from dust and old grease. Denver’s semi-arid air is full of fine dust, and it infiltrates cylinder chambers. Old factory grease turns into a paste, pins grind, and the key feels like it’s dragging through sand. We strip, sonic-clean, and re-pin with genuine Medeco components. The difference is immediate.
- Lost Medeco security card with tenants already in place. In Denver apartment conversions from the 1980s and 1990s, we regularly see Medeco cylinders where the original key control card is long gone. Without that card, the lock cannot be rekeyed through normal channels. We replace the cylinder entirely and set up new key control on the spot.
- Accelerated key wear from low humidity. Denver’s dry air erodes brass keys faster than humid climates ever will. The brass gives way against Medeco’s hardened steel pins, and keys start sticking or fail to fully insert. We cut new keys from factory specs and inspect the cylinder for pin damage at the same time.
- Seized outdoor padlocks and gate locks well outside winter. Hard freezes arrive as early as September and hang around until May in Denver. We open and service frozen Medeco padlocks across the city, often in residential alleys behind Baker and Whittier homes.
Medeco Service in Denver: What Local Conditions Mean for Your Equipment
Here’s something Denver-specific most Medeco literature won’t tell you. The city’s inner-ring neighborhoods, Capitol Hill and Curtis Park in particular, hold a dense concentration of 1970s through 1990s apartment buildings originally fitted with Medeco Biaxial deadbolts. We rekey and service these legacy cylinders week after week, in buildings that still enforce original key control policies. In Denver, when a structural door settles or a frame flexes during a hard freeze, one of its core locking functions fails before anything else: the Medeco key turns hard or stops turning at all, the very symptom that sends tenants to the building office. Outside Denver, down in Colorado Springs or Fort Collins, the same misalignment doesn’t create the same failure because the temperature swings and brick frame movement aren’t as severe. What this means practically for a Denver Medeco owner is that 90 percent of “broken” locks we see are mechanically sound but knocked out of alignment by the building itself. That’s a repair, not a replacement, and it’s fast when the person doing it knows which screws the frame shifted and why.
Medeco Models & Products We Service in Denver

We work across the full Medeco range: Biaxial and M3 cylinders, Maxum deadbolts, and KeyMark systems. We stock a verified OEM supply chain for pins, springs, and cylinders, because aftermarket parts cannot hold Medeco’s angled pin angles or replicate proper key control. In practice, for most residentially-used Medeco locks over 15 years old, we will tell you straight: full cylinder replacement is the better call. Denver’s dust and frame stress have usually degraded internal tolerances past the point where piecemeal re-pinning makes sense. We keep enough Biaxial and M3 stock on the truck to handle same-day replacement on most jobs without waiting on a distributor.
Medeco Service Pricing in Denver
What you’ll pay depends on what the lock is doing and what it was mounted in. A standard Medeco cylinder rekey in Denver typically runs $35 to $65 per cylinder, quoted in writing before we start. Full cylinder replacement for an M3 or Biaxial generally falls between $120 and $260 depending on finish and tailpiece configuration. New Maxum or KeyMark deadbolt installations, including labor, land in the $180 to $340 range. The bracket is honest, not a teaser. Haven Standard Clause 1: the price on the phone is the price on the invoice. We do not change it at the door. Call (331) 310-8471 for a firm written estimate, at no charge.
Serving Denver, CO - Our Local Coverage Area

We’re based in the Denver 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 Denver
No, and neither can anyone else. The key control card proves you have the right to duplicate keys. Without it, the lock cannot be rekeyed through legal channels. We replace the cylinder and issue new key control cards on site, no manufacturer authorization involved. Call (331) 310-8471 for a written quote.
Usually worth servicing, unless the cylinder is past 15 years old. Medeco’s Biaxial and M3 cylinders are built to outlast most doors. In Capitol Hill buildings, we service Medeco locks installed in the 1980s that still turn clean once re-pinned and re-aligned. If dust and frame stress have degraded the internals, we’ll tell you and quote a replacement honestly.
Denver’s dry, dusty air combines with old cylinder grease to form a paste that coats the pins. The key feels like it’s dragging. We remove the cylinder, clean it, and re-pin it with genuine Medeco components. The fix is quick, and the difference is immediate.
The rapid 40 to 50 degree swings cause your door frame to expand and contract across a few hours. Medeco’s tight tolerances mean the deadbolt will bind or jam before a cheaper lock would. The repair is a strike plate re-alignment and frame anchor reset, not a new lock. Call (331) 310-8471, and we’ll tell you over the phone whether it sounds like an alignment issue or something deeper.
Yes. You need a written rekey record for the sale, and you need the new owner to have exclusive keys. We rekey Medeco locks in Denver every week for sellers and title companies, and we provide a documented photo record of completed work. It takes about an hour, and the price is quoted before anyone starts.
Service Areas Near Denver

We cover the whole Denver metro, from the Capitol Hill and Highlands neighborhoods out to the surrounding communities. If you’re in a nearby area, check our main Denver service area page. Traveling in from out of state? We also have Medeco service in El Paso and Medeco service in Detroit for those service territories.
Book Your Medeco Service in Denver Today
Call (331) 310-8471 and you’ll reach a live person, 24/7, no voicemail queue for Emergency Locksmith - Denver. We’ll give you a firm price in writing, dispatch a uniformed technician, and leave a photo record at every visit. Same-day service available across Denver.
Written by Daniel Novak, Owner at Novak Lock & Security, serving Denver since 2002.






