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Get your free estimateMedeco Locksmith in Ross, CA | Cypress Lock & Key
We provide independent Medeco service in Kentfield and throughout Ross, from rekeying estate mortise locks to rebuilding seized gate cylinders. What makes our Medeco work different in Ross is that we understand how the town’s oak and redwood canopy, fog moisture, and design-review rules affect high-security hardware. Call (877) 265-4385 for a direct answer about your lock, and we’ll tell you whether it needs a re-pin or a rebuild.
Ross isn’t a typical Marin service call. There’s no commercial strip, no apartment turnover, no quick storefront lock swap. The town is residential, affluent, and heavily wooded, which means our Medeco work here reads like a case file in estate security: vintage mortise cylinders on 1920s front doors, Maxum deadbolts on pool gates, M3 cylinders on long private lanes. We carry genuine Medeco pins, cylinders, and key blanks for exactly that kind of hardware, and our Medeco sales & service work spans every model family Ross homeowners actually use.
Why Ross Residents Choose Us for Medeco Service
Medeco isn’t a lock you hand to someone who’s only ever rekeyed Kwikset. The angled keyway, the sidebar, the hardened inserts, the restricted key control. It all behaves differently, and it behaves differently again under Ross conditions. Noel Carver, our owner and lead locksmith, completed a locksmithing and security systems program at Fresno City College and has been running calls in this part of Marin for nearly two decades. He’s the one who will tell you that your Medeco key turning hard isn’t the cylinder failing. It’s tannin-stained moisture from the redwoods eating at the pin tumblers.
Because we’re independent, not a Medeco dealer, we don’t steer you toward a full replacement when a re-pin does the job. We source genuine Medeco cylinders, keys, and pins on the open market and fit them to the hardware you already have. That matters in Ross, where a 100-year-old mortise lock on an estate door isn’t something you casually swap out. We keep the cylinder, rebuild the internals, and leave the original escutcheon alone. Know your hardware, know your options, the rest is just turning a key.
Styles & brands we work with







Common Medeco Locksmith Problems We Solve in Ross
- Seized cylinders from tannin and fog moisture. Ross sits under a heavy oak and redwood canopy with a damp, fog-influenced microclimate. Exterior brass and iron Medeco cylinders, especially rim and deadbolt cylinders on pool gates and driveway gates, pit and seize as leaf tannins and trapped moisture corrode the pin tumblers. The key won’t turn, or turns only with force, which risks snapping the key in the cylinder.
- Binding sidebar in settled estate door frames. Early-to-mid-20th-century Ross homes settle. When a door frame shifts, the Medeco cylinder sits slightly out of alignment, and the sidebar won’t release even though the key enters. The lock isn’t broken. The door geometry changed. We correct the cylinder alignment or re-pin to compensate without altering the original mortise pocket.
- Keys duplicated on the wrong blank. Medeco’s angled keyway means a key cut on a generic blank will hang the sidebar and make the lock feel broken. We see this regularly in Ross when a homeowner gets a duplicate at a hardware store, then assumes the cylinder failed. We inspect the key first. Then the cylinder. It saves you a rebuild and tells us whether the key control card needs updating.
- Corroded hardened inserts on gate hardware. Long private lanes in Ross trap fog moisture and leaf litter against gate cylinders. The hardened steel inserts and springs inside Medeco gate and pool-gate hardware corrode faster than the body, causing the cylinder to turn partway and stop. We rebuild these in place, fitting genuine Medeco pins and weather-shielded caps, without changing the gate or the surrounding ironwork.
- Worn sidebar springs on high-use estate doors. On high-use exterior doors, the sidebar springs wear down, causing intermittent sticking or a key that turns but won’t retract the bolt. We re-pin and replace springs with genuine Medeco parts, and we’ll tell you honestly if the cylinder body has reached the point where replacement makes more sense.
Medeco Service in Ross: What Local Conditions Mean for Your Equipment
Ross’s design review and tree-protection rules change how Medeco work gets done here, and it’s not something you’d face in San Anselmo or Fairfax. On wooded private lanes, particularly off Shady Lane and similar routes, gate hardware and lock swaps often have to fit existing ironwork and stay clear of protected oaks and redwoods. That means we frequently re-key or rebuild the Medeco cylinder in place rather than change the gate hardware footprint. A new deadbolt chassis might mean drilling new holes in an iron post, which means altering a gate that design review approved years ago and possibly disturbing a tree’s root zone. Re-pinning the existing cylinder avoids all of that. On one Shady Lane property, a homeowner’s Medeco Maxum deadbolt on a pool-gate iron post went stiff after a wet winter, then stopped turning entirely. We pulled the cylinder, found brass pitted and pin tumblers seized from tannin-stained moisture, rebuilt and re-pinned it with genuine Medeco pins, and fitted a weather-shielded cap so the gate latched smoothly again, no new holes, no tree work, no gate modification. That’s Ross-specific. It’s the difference between a locksmith who sees the lock and one who sees the whole property.
Medeco Models & Products We Service in Ross
We service the Medeco lines Ross homeowners and estate managers actually run, including the Maxum deadbolt and Maxum EcoLux with keypad versions, the Classic and Original Series mortise and rim cylinders found in vintage estate doors, and M3 and M100-series keyway cylinders specified for commercial-grade gate and outbuilding hardware. For any Medeco-branded hardware, we use genuine Medeco cylinders, keys, and pins. We re-pin when the cylinder body and sidebar are sound. When the original housing is unsalvageable, we’ll fit a quality aftermarket deadbolt chassis behind your existing Medeco cylinder and say so upfront rather than defaulting to replacement. We keep the common Medeco pins, springs, and blanks stocked for fast turnaround across Ross. Full price is quoted on the phone before anyone is dispatched, and that’s the price on the invoice. No call-out surcharge added on arrival.
Medeco Service Pricing in Ross
Medeco service in Ross typically runs between $85 and $240 depending on what’s needed. A straightforward rekey of a Medeco cylinder, parts included, usually lands near the lower end. A complete rebuild of a seized cylinder, with pins, springs, and a weather cap, runs higher, especially on gate hardware where access and condition add time. Vintage mortise cylinders cost more to re-pin because the sidebar geometry needs careful fitting. We quote the full price on the phone before dispatch, and the price we quote is the price on the invoice. There’s no call-out surcharge added on arrival and the estimate is free. Call (877) 265-4385 and we’ll walk through what you’re seeing with the lock and give you an exact number.
Serving Ross, CA — Our Local Coverage Area
We’re based in the Ross area and know this community well, with car key replacement in Ross among our services. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Medeco Locksmith in Ross
Yes. If the cylinder body and sidebar are sound, we re-pin it with genuine Medeco pins and issue new keys, no full cylinder replacement needed. This is common in Ross, where design-review rules and vintage ironwork make in-place rekeying the smarter move. Call (877) 265-4385 for a free estimate.
In almost every case we see in Ross, it’s tannin-stained moisture from the oak and redwood canopy corroding the pin tumblers or the cylinder face, not a mechanical failure inside the lock. The damp fog microclimate accelerates it on exterior hardware. We clean, re-pin, and fit a weather cap, which usually restores smooth turning without replacing anything.
No, we’re an independent Medeco service provider. That means we source genuine Medeco cylinders, pins, and keys on the open market and we’re not locked into a dealer program that pushes replacement over re-pinning. We tell you plainly when a cylinder can be rebuilt and when it has to go.
Yes, we match Medeco keys to existing estate mortise cylinders, including Classic and Original Series cylinders. We’ll check the keyway family and the key control card, then cut and program keys that fit the angle and the sidebar correctly. If the original key is worn, we’ll flag it before cutting duplicates that won’t work.
Yes, and that’s a significant part of our Ross work. Gate Medeco cylinders on long private lanes corrode faster than door hardware because fog and leaf litter trap moisture right at the cylinder face. We rebuild, re-pin, and weather-shield them in place, usually without modifying the gate or surrounding ironwork. Call (877) 265-4385 and we’ll schedule a look.
Service Areas Near Ross
Beyond Ross, we provide Medeco service across southern Marin and nearby areas, including Ross service area coverage for surrounding neighborhoods, Medeco service in Santa Venetia, and Medeco service in Dublin. We also take Medeco calls in Mill Valley, Larkspur, and Chinatown.
Book Your Medeco Service in Ross Today
If a Medeco key is turning hard, a gate cylinder has seized, or you need an estate mortise lock rekeyed in Ross, call (877) 265-4385. We’ll give you a straight read on the problem and a full price before anyone is dispatched. Same-day service is available for urgent rekeys and lockouts across Ross.
Written by Noel Carver, Owner at Cypress Lock & Key, serving Ross since 1998.