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Get your free estimateMedeco Locksmith in Piedmont, CA | Cypress Lock & Key
Medeco locksmith service in Piedmont usually means one of two things: a restricted keyway that nobody can duplicate, or a high-security deadbolt that isn’t behaving in a century-old door. We’re an independent Medeco service provider, not manufacturer-authorized, and we handle both situations every week across Piedmont’s 94620 ZIP code. For Car Key Replacement in Piedmont, we can help with that as well. What sets our Medeco work apart here is simple: we know how these cylinders behave inside original mortise locks and solid wood doors, and we fix them without changing the hardware footprint your house came with. Call (877) 265-4385 and we’ll walk you through what you’re dealing with before anyone shows up.
Why Piedmont Residents Choose Us for Medeco Service
Medeco isn’t a lock most shops see daily. It’s a rotating-pin platform with restricted keyways, and it behaves differently than the Schlage or Kwikset cylinders most locksmiths spend their time on. Our bench work has centered on Medeco cylinders for years, from pinning restricted keyways to re-coring vintage mortise bodies, so when a Medeco lock in Piedmont starts binding or a key stops throwing the bolt, we know where to look before we start taking things apart.
Noel Carver, our owner and lead locksmith, has been running calls in this part of the East Bay for going on two decades, and the thing most customers mention is that he shows up calm. No drama, no upsell pressure, just a clear read of the problem and a clean fix. That matters when you’ve got an ornate brass escutcheon on a leaded-glass entry door and you don’t want someone experimenting on it. We work on the lock you already have. For Medeco sales & service, that means genuine Medeco cylinders, pins, and keys wherever the restricted keyway demands it, and quality aftermarket strike plates and reinforcement hardware only where they don’t compromise the high-security platform.
Our repair-first stance is honest: a Medeco cylinder that can be cleaned and re-pinned stays. We only recommend replacement when the body, cam, or keyway is genuinely worn out. Piedmont homeowners appreciate that, because they’re not looking to swap hardware, they’re looking to keep what they have working.
Styles & brands we work with







Common Medeco Locksmith Problems We Solve in Piedmont
- Medeco Maxum deadbolts binding after seasonal wood movement. Piedmont’s damp winters and dry summers make original solid wood doors swell and shrink. When the door moves, the Maxum bolt drifts out of strike alignment and the key turns hard, even though the cylinder internals are fine. We re-set the strike and adjust the bolt throw rather than blaming the lock.
- Rotating-pin cylinders jammed with old graphite and grit. Medeco’s pins rotate as the key enters, and those pin pockets collect debris over time. On century-old doors especially, the cylinder gets blamed when the real problem is a misaligned strike or a swollen jamb. We diagnose before we disassemble.
- Original mortise bodies with retrofitted Medeco cylinders wearing at the tailpiece or cam interface. The key turns but the bolt doesn’t throw cleanly. This shows up on Piedmont’s 1910s and 1920s entry doors where someone swapped a Medeco cylinder into the original mortise lockset decades ago. We re-core or rebuild the linkage without replacing the visible hardware.
- Restricted-keyway cylinders where the key-control card didn’t transfer with the house. A new owner inherits a Medeco system and can’t get keys duplicated anywhere. We decode and re-key the cylinder, issue new keys, and get you set up as the legitimate key holder.
- Marine air seizing exterior Medeco hardware on gates and side entries. Piedmont’s East Bay climate hits gate-mounted Medeco hardware faster than interior cylinders on the same property. We clean, re-lubricate, and re-pin exterior cylinders so gates and side doors keep working year-round.
Medeco Service in Piedmont: What Local Conditions Mean for Your Equipment
Piedmont’s design-review culture and its stock of architect-designed 1910s to 1930s houses mean many owners will not allow a new deadbolt or bright hardware on a street-facing leaded-glass door. That’s not a preference, it’s often a condition of maintaining the home’s historic character, and it changes how Medeco work gets done here. We don’t install new visible hardware unless you specifically ask for it. What we do instead is re-core and re-pin the existing antique cylinder in place. A Medeco Biaxial or M3 cylinder can be fitted into the original mortise lock body, keeping the ornate brass or bronze escutcheon untouched while upgrading the security cylinder itself. On a Spanish Colonial entry in the Grand Avenue/Piedmont Avenue area, a homeowner’s Medeco Biaxial cylinder in an original mortise lockset had stopped throwing after a wet winter swelled the solid wood door. We cleaned and re-pinned the cylinder, then re-set the strike and adjusted the mortise cam so the bolt threw smoothly, keeping the ornate brass escutcheon and patina untouched. That’s the standard we hold for every Medeco job in Piedmont, because the alternative, swapping in modern hardware that fights the door’s character, is not something your neighbors will thank you for. Know your hardware, know your options, the rest is just turning a key.
Medeco Models & Products We Service in Piedmont
Our bench covers the Medeco lines most often found in Piedmont homes and small commercial spaces: the Medeco Maxum deadbolt, the Biaxial cylinder, the M3 (Medeco3) restricted keyway cylinder, and original or Everest-family high-security cylinders retrofitted into mortise locks. We pin with genuine Medeco cylinders, pins, and keys wherever the restricted keyway demands it. For faster turnaround, we keep a working stock of common Medeco pinning kits, tailpieces, and cam assemblies on the truck and at the shop, so most Piedmont service calls don’t wait on parts. If a cylinder body is worn beyond honest repair, we’ll tell you and source the replacement. We don’t push aftermarket internals into a platform that exists specifically because of its key control and tamper resistance.
Medeco Service Pricing in Piedmont
Medeco service in Piedmont typically starts with a service call fee, and the work itself varies based on what the lock needs. A simple re-key of a restricted keyway cylinder usually runs less than replacing the cylinder outright. Re-coring an antique mortise lock with a Medeco cylinder costs more because it’s bench work: the lock body comes out, gets cleaned, receives new pins, and goes back in without damaging the door or the visible hardware. A full Medeco Maxum deadbolt installation is its own quote. What drives cost upward in Piedmont specifically is vintage hardware: original mortise locksets and leaded-glass doors require slow, careful work, and we price that honestly rather than flattening everything into a generic rate. Call (877) 265-4385 for a free estimate. You’ll get the full price quoted on the phone before anyone is dispatched, and that price is the price on the invoice, no call-out surcharge added on arrival. Our Deadbolt Installation, High Security Locks, and Lock Rekey services all carry the same straight quote policy.
Serving Piedmont, CA — Our Local Coverage Area
We’re based in the Piedmont area and know this community well, with Oakland Medeco service available nearby. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Medeco Locksmith in Piedmont
Can you re-key a Medeco cylinder that’s mounted in an original mortise lock on a 1920s Piedmont door?
Yes. We remove the mortise lock body, take the Medeco cylinder out, re-pin it to a fresh key, and reinstall the lock without disturbing the original brass or bronze faceplate. This is bench work and takes longer than a modern cylinder swap, but it preserves the door and the hardware. Call (877) 265-4385 and we’ll tell you what your specific lock needs.
My Medeco key turns but the deadbolt won’t throw. Is the cylinder bad?
Usually not. In Piedmont’s older homes, the more common culprits are a swollen jamb, a misaligned strike, or a worn tailpiece-to-cam interface inside the mortise body. We check the cylinder last in most cases, because the key turning means the cylinder is doing its job. The problem is downstream.
Why can’t the hardware store copy my Medeco key?
Medeco restricted keyways require authorized key blanks and a key-control card. Hardware stores don’t carry the blanks and can’t duplicate the rotating-pin cuts on standard equipment. We handle Medeco key duplication for property owners who have key-control documentation, and for homes whose card didn’t transfer, we decode and re-key the cylinder and issue new keys to you as the documented owner.
Will a Medeco upgrade be visible on my leaded-glass front door?
Not if you don’t want it to be. In Piedmont, we often install the Medeco cylinder inside the existing mortise lock body, keeping your original escutcheon, patina, and door hardware intact. The high-security upgrade happens where it matters: the cylinder and key control. The visible hardware stays exactly as it was.
Do you service Medeco locks on gates and side entries, not just front doors?
Yes. Piedmont properties with gates, side entries, and detached garages often have Medeco hardware on those access points, and the East Bay’s damp air means exterior cylinders seize faster than interior ones. We clean, re-lubricate, and re-pin exterior Medeco cylinders, and we re-align strikes on gates that have settled. We also offer Medeco in Emeryville for properties near that area. For an exact quote, call (877) 265-4385; estimates are free and the number you get on the phone is the number on your invoice.
For homeowners looking at the bigger picture, our Piedmont service area coverage includes the neighborhoods around the city center, Grand Avenue, and the residential streets fanning out toward the hills. We arrive knowing the difference between a 1910 mortise lock and a 1970s re-mortise, because that’s the whole job in Piedmont.
Service Areas Near Piedmont
Cypress Lock & Key provides Medeco service across the East Bay, including Chinatown, Mill Valley, Martinez, San Mateo, Larkspur, and Hillsborough. We also cover Medeco work in the neighboring communities of Medeco service in Berkeley and Medeco service in Albany where housing stock and security needs overlap heavily with Piedmont’s.
Book Your Medeco Service in Piedmont Today
If your Medeco lock is binding, your restricted key is lost, or you just want the cylinder re-keyed before you hand out house keys, call (877) 265-4385. We also provide Medeco service in Orinda for homes in that direction. We quote the full price on the phone, and for urgent lockout or security work in Piedmont, same-day service is available. No pressure, no upsell, just a clear answer about what your lock needs.
Written by Noel Carver, Owner at Cypress Lock & Key, serving Piedmont and the East Bay for nearly two decades.