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Get your free estimateMedeco Locksmith in San Ramon, CA | Citadel Locksmith
We provide independent Medeco service across San Ramon, from simple rekeys to full deadbolt replacements on homes in Gale Ranch and Windemere. What makes our Medeco work different here is simple: we know the builder-era Maxum deadbolts and M3 cylinders on these 1990s and 2000s doors, and we know how San Ramon’s dry, hot summers wear them down. We stock the pins, cylinders, and keys locally, so you’re not waiting on a mail-order part. Call (833) 589-8078 for a free estimate.
We’re Citadel Locksmith, led by Roland Vásquez. Roland has spent decades working high-security cylinders, and he’s the first to say that a lock is only as strong as the decision behind it. Our approach to Medeco is straightforward: we’re an independent shop, not a factory sales channel. That means we answer to you, not a manufacturer’s quota. We service the full Medeco sales & service range with genuine parts.
Why San Ramon Residents Choose Us for Medeco Service
Most locksmiths know Medeco as a name. We know it as a system. The restricted keyways, the rotating pins, the sidebar geometry: those aren’t abstract concepts to us. Roland learned the mechanical fundamentals of these systems years ago and has been re-pinning and rebuilding them ever since. We don’t farm out Medeco cylinders to a third-party bench; the work happens in our hands, with genuine Medeco pin kits.
San Ramon is our territory. We cover 94582 and 94583, and we understand what these homes actually need. When a property turns over between tech-industry buyers in Windemere, the new owner wants control of every key immediately. We handle that rekey same-day where possible, and we don’t use aftermarket blanks that undermine the restricted keyway. The point of Medeco is key control. Using a copy-shop blank defeats the entire system.
We’re also realistic about what a Medeco cylinder actually costs to maintain. We do honest cleaning and re-pinning when that’s all the lock needs. We recommend replacement only when the pin chambers are genuinely worn or the original door prep won’t hold a proper strike. That’s the kind of straight answer people in San Ramon tell us they appreciate.
Styles & brands we work with







Common Medeco Locksmith Problems We Solve in San Ramon
Here’s what we see most often on Medeco hardware across San Ramon:
- Worn Maxum deadbolts on original 2000s front doors. The Gale Ranch and Windemere builds are now twenty-plus years old, and original Medeco Maxum cylinders are hitting end of life. Worn pin stacks, dead springs, and keys that have been duplicated so many times nobody actually controls access anymore. We re-pin or replace these with fresh restricted keyways.
- Gritty, stiff cylinders from dry-season dust. San Ramon summers bake the hills, and fine dust works into exterior keyways and the rotating-pin sidebar on Medeco M3 cylinders. The key feels gritty, the turn gets stiff, and the owner assumes the lock is shot. Often it just needs a proper cleaning and re-lubrication with the right product, not a replacement.
- Strike misalignment from door and jamb expansion. Hot weather makes doors and frames swell just enough that a Medeco bolt no longer throws cleanly into the strike. The lock gets blamed for what is actually a frame problem. We adjust the strike and align the bolt so the hardware works as designed.
- Finish degradation on sun-baked doors. South- and west-facing front doors in San Ramon take punishing afternoon sun. Builder-grade brass cylinders pit and fade, and in HOA-governed communities like Twin Creeks, that faded hardware can run afoul of architectural guidelines. We match finishes when we replace.
- Lost or uncontrolled keys on restricted systems. A Medeco key is supposed to be impossible to copy at the hardware store. But after years of contractor access, tenants, and turnover, many San Ramon homeowners have no idea how many keys actually exist for their front door. Rekeying to a fresh restricted keyway restores control.
Medeco Service in San Ramon: What Local Conditions Mean for Your Equipment
Here’s something that separates San Ramon from the rest of the East Bay. Almost every home here was built between 1985 and 2015 as part of a master-planned development. There’s no historic mortise-lock stock to retrofit. That means Medeco work in San Ramon is almost entirely residential: rekeying builder-era high-security cylinders for tech-industry turnover, and upgrading original 1990s and 2000s deadbolts to restricted keyways. An older city calls about a 1920s mortise retrofitted with a Medeco cylinder. San Ramon calls about a 2006 Maxum on a stucco front door off Bollinger Canyon Road, unlike Medeco in Dublin where the housing stock and service needs differ. It’s a younger housing stock with a different set of failures, and a locksmith who only knows vintage hardware will misdiagnose what’s happening here.
A good example came from Windemere recently. A homeowner called because her original Medeco Maxum front-door cylinder was gritty, and she’d discovered her contractor’s key worked a neighbor’s door during a build. We pulled the cylinder, cleaned packed dry-season dust out of the pin chambers, re-pinned it to a fresh restricted keyway, and adjusted the strike so the bolt threw cleanly in the summer heat. Before we swapped any exterior hardware, we checked the HOA’s architectural guidelines so the replacement finish matched the neighborhood’s approved style. That last step matters in San Ramon in a way it doesn’t in Medeco repair in Danville or Walnut Creek. Most HOAs here govern exterior hardware appearance, and a shiny brass deadbolt on a door that’s supposed to wear oil-rubbed bronze can be a compliance problem. We check before we swap. It saves the homeowner a notice from the association.
Medeco Models & Products We Service in San Ramon
We work on the Medeco lines that actually show up on San Ramon doors. That’s the Maxum residential deadbolt, the workhorse of 1990s and 2000s builder installs. The M3 high-security cylinder, which most homeowners upgrade to when they want modern key-control technology. The Biaxial, still common on commercial and multi-family doors. And the original classic pin-tumbler cylinders that predate the rotating-pin designs.
Here’s our parts stance, and it’s non-negotiable: we use genuine Medeco cylinders, pin kits, and keys. The restricted keyway and rotating-pin geometry aren’t things you substitute. Aftermarket Medeco-compatible blanks are a key-control liability, and we won’t put them on your door. We keep common Medeco components stocked for fast turnaround across San Ramon. If a cylinder just needs cleaning, re-pinning, and a strike adjustment, we do that honestly. We recommend replacement only when the sidebar or pin chambers are actually worn, or the door prep can’t be salvaged.
Medeco Service Pricing in San Ramon
Medeco service in San Ramon typically runs $95 to $225 for a rekey depending on cylinder count and whether we’re re-pinning an existing cylinder or installing new restricted keyway hardware. A full deadbolt replacement with a new Medeco Maxum or M3 cylinder starts around $285 and can reach $500 plus depending on finish and door prep work. Here’s a clearer breakdown:
- Rekey single Medeco cylinder: $95 to $160
- Rekey additional cylinders on the same key: $25 to $45 each
- New Medeco deadbolt installation (hardware included): $285 to $500+
- Cylinder cleaning and re-lubrication: $75 to $120
- Strike adjustment: $45 to $85
What drives the cost is whether we’re re-using your existing cylinder and pins or installing new restricted-keyway hardware. A free estimate covers what we find, what we recommend, and the exact cost before we start. You get the full price on the phone before anyone is dispatched. Call (833) 589-8078 and we’ll walk you through it.
Serving San Ramon, CA — Our Local Coverage Area
We’re based in the San Ramon area and know this community well, and we also handle Medeco repair in Moraga. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Medeco Locksmith in San Ramon
No. We’re an independent locksmith shop that specializes in Medeco cylinders and key-control systems. We stock and pin M3, Maxum, and Biaxial cylinders ourselves rather than farming work out. Being independent means our loyalty is to your key hierarchy, not a factory sales channel. You don’t need a Medeco-authorized dealer to get genuine parts and proper service in San Ramon.
Yes, but we coordinate carefully. Many San Ramon HOAs and property managers hold a master key for emergency access, and a rekey has to preserve that access level unless the HOA agrees to a hierarchy change. We’ll review the current key structure, confirm what the HOA expects, and rekey within those parameters. For a quote, call (833) 589-8078.
Always. Genuine Medeco cylinders, pin kits, and keys. The restricted keyway and rotating-pin geometry can’t be substituted with aftermarket parts without creating a key-control liability. We keep common Medeco components stocked for fast turnaround across San Ramon, so you’re not waiting on a mail-order part from the East Coast.
Most single-cylinder rekeys and cleanings run 45 to 90 minutes on site. A full deadbolt replacement with finish matching and strike adjustment can take up to two hours, especially if we’re checking HOA architectural guidelines in neighborhoods like Gale Ranch or Windemere. We’ll give you a time estimate when you call.
A single-cylinder Medeco rekey in San Ramon typically lands between $95 and $160. Additional cylinders on the same key add $25 to $45 each. You’ll get the exact price on the phone before we dispatch anyone, and that’s the price on the invoice. Call (833) 589-8078 for a free estimate.
Service Areas Near San Ramon
We’re based in the East Bay and regularly run Medeco service calls across the 680 corridor and beyond. If you’re in San Ramon service area coverage or nearby, we’ve got you covered. Our Medeco work also reaches Medeco service in Novato and Medeco service in Vallejo for homeowners across the broader Bay Area who need high-security cylinders serviced properly.
Book Your Medeco Service in San Ramon Today
If your Medeco cylinder is gritty, your keys have multiplied beyond count, or your builder-era Maxum deadbolt has given up after two decades of San Ramon sun, call us. We’re available for same-day service in most of San Ramon, and the estimate is free. Call (833) 589-8078.
Written by Roland Vásquez, Owner at Citadel Locksmith, serving San Ramon and the East Bay with independent Medeco service, including Blackhawk Medeco service.