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Get your free estimateMedeco Locksmith in Fremont, CA | Cypress Lock & Key
Medeco locksmith service in Fremont typically runs $95 to $185 for a service call plus parts, and most cylinder work is finished the same day. We’re an independent Medeco service provider covering all four Fremont ZIP codes: 94537, 94538, 94539, and 94555. The thing that separates our Medeco work here is that we’ve pulled, cleaned, rebuilt, and rekeyed these restricted-keyway cylinders across every housing era the city has, from 1890s mortise retrofits in Niles to 2000s townhome deadbolts near the Warm Springs BART station, and we know exactly how Fremont’s dust and heat wear them down. Call (877) 265-4385 for a straight read on your lock before anyone rolls a truck.
Why Fremont Residents Choose Us for Medeco Service
Most locksmiths in the East Bay can swap a Kwikset deadbolt. Few have spent years inside Medeco’s rotating-pin and sidebar geometry, and fewer still understand what Fremont’s specific climate does to those internals. We do, because we’ve been running Medeco calls across this city—and nearby areas like Medeco service in Newark—long enough to see the same failure patterns repeat by neighborhood.
Noel Carver runs the crew at Cypress Lock & Key, and he’s been turning wrenches on high-security cylinders since before most of the BART-adjacent townhome stock in 94538 even went up. His training at Fresno City College covered pin-tumbler and sidebar systems from the inside out, and two decades of field work taught him the rest: when a Medeco cylinder can be rebuilt to spec, when it’s genuinely spent, and when the problem isn’t the cylinder at all but the strike plate, the door alignment, or a keyset that was never properly controlled in the first place.
We stock genuine Medeco OEM pins, springs, and restricted key blanks for the model lines Fremont homeowners and property managers actually run. We’re not a Medeco-authorized dealer, and we don’t pretend to be. What that means for you is simple: we work on the lock you already own, we use factory-grade internals where it matters, and nobody here is paid to sell you a whole new high-security set when a $40 rebuild fixes it.
Styles & brands we work with







Common Medeco Locksmith Problems We Solve in Fremont
Medeco cylinders are tougher than standard pin-tumbler hardware, but they fail in predictable ways, especially in this city’s dry, dusty conditions. Here’s what we see most often by housing era and neighborhood:
- Grit-packed rotating pins and sidebar (all Fremont neighborhoods): The wind-blown dust off Mission Peak foothills works into the cylinder face and gums up Medeco’s rotating tumbler pins and restricted sidebar. Keys start binding, then refuse to turn at all. Graphite is the wrong answer here; it turns to paste in Fremont’s dry heat. We clean and re-lubricate with the right graphite-free product and the keyway comes back smooth.
- Mortise body misalignment with Medeco retrofit cylinders (Niles, Mission San Jose): In the historic districts, original cast-iron mortise lock bodies were never designed for a high-security sidebar cylinder. Add a century of door settling, and the bolt drags on the strike plate while the sidebar can’t fully seat. Sometimes it’s a worn OEM spring; sometimes the escutcheon plate needs rebuilding to hold the cylinder square.
- Uncontrolled key duplication in rental and tech-corridor townhomes (94538, 94539): We regularly find restricted Medeco keyways in Warm Springs and Ardenwood townhome complexes where property managers never enforced key control. Duplicates get floated to cleaners, contractors, ex-tenants. A proper master-key system should have fixed that at the start; we can rekey and re-pin to regain control now.
- Spring fatigue in Original/Biaxial cylinders (Centerville, Irvington): Those 1960s and 70s tract homes with Medeco Original or Biaxial cylinders retrofitted decades ago? The springs inside wear out, the pins get sloppy, and the key only turns one direction, if it turns at all. We rebuild the cylinder with fresh OEM springs and pins, and the lock often outlasts the rest of the door.
- Worn Maxum deadbolt tailpieces and strike hardware (all Fremont): The Medeco Maxum deadbolt series is built heavy, but the tailpiece and strike plate take a beating in homes where doors swell in summer heat and shrink back in winter. We re-square the mounting, replace worn OEM components, and the bolt throws clean again.
Medeco Service in Fremont: What Local Conditions Mean for Your Equipment
Fremont’s five town centers all exist because of different waves of development, and that housing split shapes Medeco work here more than any other single factor. Centerville, Niles, Irvington, Mission San Jose, and Warm Springs each have their own housing era, so a locksmith rolling a Medeco call here—or handling Union City Medeco service nearby—can’t treat the whole city like one generic service area. In Niles and Mission San Jose, we’re often working inside original Victorian and bungalow stock from the 1880s to 1920s, where the cast-iron mortise locks were never meant to hold anything but a skeleton key. Fitting Medeco into those doors means cutting a custom cylinder mount or escutcheon plate to preserve the period look; you can’t just bore a 2-1/8-inch hole and drop in a modern deadbolt without destroying what makes those historic-district doors worth preserving. Contrast that with the tech-corridor townhomes in 94538 and 94539, where Medeco deadbolts went in at construction and the common failure is uncontrolled key duplication and sloppy master-key setup, not wear. Same lock brand, completely different service reality depending on which town center you’re in. That’s the part no generic Medeco page or generic Fremont locksmith page will tell you, because most of them don’t take calls in both a century-old Niles bungalow and a Warm Springs townhome in the same week. We do.
Medeco Models & Products We Service in Fremont
We service the full Medeco cylinder line that’s actually found in Fremont homes and small commercial spaces: the Maxum deadbolt series, the M3 and M3+ high-security cylinder line, the older Original (Biaxial) and Medeco³ cylinders, and the Maxum 11TR commercial-grade deadbolt and knob locksets. For anything that touches the sidebar and key control, we use genuine Medeco OEM pins, springs, and restricted key blanks, period. Aftermarket hardware only gets a pass on non-security pieces like decorative escutcheons and faceplates, where quality aftermarket plates do the job without compromising the cylinder’s security geometry. We keep the common OEM internals stocked locally so most Fremont and Medeco repair in Hayward rebuilds are a same-day job, not a week-long part-order.
Medeco Service Pricing in Fremont
A Medeco service call in Fremont runs from about $95 to $185 for the visit plus parts, depending on what you have and where you are. A straightforward cylinder cleaning and re-lubrication lands at the lower end. A rekey with new restricted keys and fresh OEM pins runs higher. A full cylinder rebuild, or a custom escutcheon retrofitted onto an original Niles mortise lock, sits at the top of that range, and a complete master-key system across a multi-unit Warm Springs townhome complex is priced per cylinder after a site survey. You’ll get a line-item price on the phone before anyone is dispatched. That price is what’s on the invoice when the job’s done. Call (877) 265-4385 for a free estimate.
Serving Fremont, CA — Our Local Coverage Area
We’re based in the Fremont area and know this community well, including Medeco in Fairview and surrounding neighborhoods. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Medeco Locksmith in Fremont
No, and we’re upfront about that. Cypress Lock & Key is an independent Medeco service provider. We work on the Medeco locks you already own, we use genuine OEM pins, springs, and restricted blanks where the security of the lock depends on them, and we tell you honestly when a cylinder can be rebuilt versus when it’s worn past spec. Being independent means we’re not pushed to sell you a replacement high-security set when a rebuild is the right call.
Genuine for everything that matters. The rotating pins, sidebar springs, and restricted key blanks that make Medeco a high-security system are OEM, always. We’ll use quality aftermarket hardware only for non-security components like decorative faceplates and escutcheon plates where the aftermarket part is appropriate and the original looks better anyway. Those decisions get explained to you before we install anything.
Most cylinder cleaning and rekey jobs are done the same day, usually within an hour or two on site. A full cylinder rebuild with OEM internals is also typically same-day if we’re already stocked for your model, which we usually are for the Maxum, M3, and Original/Biaxial lines common across Fremont. A custom escutcheon retrofit for an original mortise lock in Niles or Mission San Jose can take a little longer because the plate work is customized to the door. Master-keying an entire townhome complex is a scheduled project with a written scope and per-lock pricing. Call (877) 265-4385 for a realistic timeline on your specific job.
We service the Medeco Maxum deadbolt series, the M3 and M3+ cylinder line, the Original (Biaxial) and Medeco³ cylinders, and the Maxum 11TR commercial locksets. If you’ve got a different Medeco product or you’re not sure what’s in the door, describe the keyway and cylinder face when you call, and we’ll tell you what you’re looking at and whether we can service it.
Expect $95 to $185 for a service call plus parts in Fremont, with the exact number depending on what’s wrong and which model you have. Cylinder cleaning and re-lubrication is the least expensive work; a full rebuild with OEM internals or a custom historic retrofit is the most. We quote a line-item price on the phone before anyone leaves the shop, and that’s the number on your invoice. Call (877) 265-4385 for an exact quote, the estimate is free.
Yes. We’ve set up Medeco master-key systems across townhome complexes and rental properties in Fremont, especially in the newer construction around 94538 and 94539, where key control has drifted and property managers need to know exactly who has access to what. We survey the property, confirm which cylinders are master-key capable, write a flat per-lock price for the re-pin and restricted key issuance, and get your key control documented from day one. Call (877) 265-4385 to schedule a site survey.
Service Areas Near Fremont
We run Medeco locksmith calls throughout the East Bay and up the Peninsula. If you’re in Pleasanton or El Granada and need a Medeco cylinder rebuilt or a restricted keyway rekeyed, we’ll take the call. We also cover San Mateo, Martinez, and the surrounding communities when the work calls for high-security Medeco service. See our full Fremont service area for details, or check our broader Medeco sales & service page if you’re outside the usual radius.
Book Your Medeco Service in Fremont Today
If your Medeco key is binding, your keyset has drifted out of control, or you just want an honest read on whether your high-security lock is doing its job, call (877) 265-4385. We’ll quote the job on the phone before we dispatch, and most Medeco repairs in Fremont are finished the same day. Know your hardware, know your options, the rest is just turning a key.
Written by Noel Carver, Owner at Cypress Lock & Key, serving Fremont since 2005.