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Medeco Locksmith in San Bernardino, CA | Dunmore Locksmith
San Bernardino Residential Locksmith service for Medeco runs $180 – $340 for most deadbolt repairs and rekeys, with same-day scheduling available across the city. We work on Medeco Maxum, M3, M4, Classic, and Biaxial cylinders daily, and we carry genuine OEM pin kits and key blanks for San Bernardino’s older housing stock. Call (910) 714-4287 for a written estimate before any work starts.
San Bernardino’s brutal inland heat and high-turnover rental market create a specific pattern of Medeco problems that coastal locksmiths rarely see. We’re Dunmore Locksmith, part of the Threshold Group since 2007, and we’ve built our Medeco practice around the reality of 1950s – 1970s tract homes, steel door frames that swell past 110°F, and landlords who need between-tenant rekeys on short notice. Medeco sales & service is what we do, not a side offering.
Why San Bernardino Residents Choose Us for Medeco Service
Perry Osgood runs Dunmore Locksmith on a rule he formed back in his rekeying days in Silver Lake: every technician we send is someone Perry would send to his own mother’s house. That means background-checked, identity-verified, photo-badged, and sent to you by name and photo before the visit – The Threshold Standard. If anyone arrives who you weren’t told to expect, that visit is free.
We don’t carry a manufacturer authorization badge, and we won’t pretend to. Our authority on Medeco comes from hands-on work: thousands of cylinders re-pinned, sidebar tolerances diagnosed, and bent keys traced back to inferior duplication blanks. In San Bernardino, that depth matters because the city’s housing stock punishes locks harder than most places. Original locksets from the 1960s still turn in corridors near downtown, master-wafer wear accumulates in rental units, and thermal expansion throws deadbolt alignment off spec twice a year. We stock genuine Medeco OEM pins, springs, and key blanks locally so we’re not waiting on shipping while your door won’t lock.
Our San Bernardino service area covers the full city, from the older apartment corridors downtown to the postwar tracts that fill the basin. Every job carries our 365-Day Done Right Promise: written on the invoice, not implied. If a repair fails, we return at no charge.
Common Medeco Locksmith Problems We Solve in San Bernardino
- Deadbolt binding in extreme heat, then again in winter cold. San Bernardino’s valley traps summer temperatures past 110°F, expanding steel door frames enough that Medeco Maxum and M3 deadbolts can’t fully throw. Come December, contraction reverses the problem and keys turn stiff. We see this double spike every year, far more often than in Riverside or the San Gabriel Valley.
- Worn or bent keys from inferior duplication blanks. Medeco’s sidebar system depends on precise key geometry. When tenants duplicate Medeco keys on aftermarket blanks at hardware stores, the resulting keys wear the sidebar and pin chambers. Keys turn partway, hang under torque, or eventually fail entirely. We cut replacement keys on genuine Medeco blanks to factory spec.
- Master-wafer wear and vandalized keyways in high-turnover rentals. San Bernardino’s rental market moves fast, and Medeco cylinders that were never properly re-pinned between tenants accumulate master-wafer wear or get foreign objects jammed in the keyway. We strip these cylinders to bare housings, re-pin with OEM Medeco pin kits, and restore restricted keyway function.
- Corrosion and dust intrusion in pin chambers. Older San Bernardino tract homes with hollow-core doors and undersized strike boxes let dust and moisture reach cylinder internals. Medeco pins stick, keys catch, and the sidebar drags. We clean, lubricate with Medeco-specified compounds, and replace worn springs.
- Cylinders worn beyond re-pinning after decades of use. Some Medeco Classics and Biaxials in San Bernardino’s aging stock have simply reached end of life. We don’t chase repairs that won’t hold. When a housing is cracked or pin chambers are ovalled, we quote a new Medeco cylinder with full parts transparency.
Medeco Service in San Bernardino: What Local Conditions Mean for Your Equipment
San Bernardino sits in a geographic basin that regularly records summer highs of 108 – 115°F – among the hottest urban readings in the LA region. That heat doesn’t just make you uncomfortable. It causes steel door frames on the city’s dense stock of 1950s – 1970s tract homes and apartment buildings to expand enough that deadbolts bind or fail to fully throw, making Door Lock Repair in San Bernardino a common need. Medeco’s precision-machined deadbolt throws, engineered to tight tolerances for security, are particularly sensitive to this thermal expansion. A Medeco Maxum that throws smoothly in March may refuse to seat in August. Then winter contraction reverses the alignment, and the key feels stiff or jams halfway through its rotation.
This pattern creates a predictable double spike in our San Bernardino call volume: midsummer and mid-December. Locksmiths working coastal Orange County or even mid-Inland Empire Riverside don’t encounter it at the same frequency. Combined with one of California’s highest residential burglary rates and a high-turnover rental market driven by persistent economic hardship, San Bernardino locksmiths face disproportionate demand for emergency rekeys, security hardware upgrades, and repeat service calls on thermally stressed hardware. We keep OEM Medeco strike plates, extended lip strikes, and adjustable faceplates in stock specifically to correct these alignment failures without making you wait.
We were called to an older apartment corridor near downtown San Bernardino where a tenant’s Medeco Maxum deadbolt wouldn’t throw fully after a 112°F heat wave – the door frame had expanded and shifted the strike plate out of alignment. We removed the cylinder, found a bent key and worn sidebar from years of use, re-pinned the cylinder with OEM Medeco pins, adjusted the strike, and confirmed smooth operation; the landlord then had us rekey the unit’s other Medeco deadbolt before the next move-in.
Medeco Models & Products We Service in San Bernardino
We work on the full Medeco residential and light-commercial line: Medeco Maxum deadbolts, the M3 and M4 cylinder series, original Medeco Classic cylinders, and Medeco Biaxial cylinders. Each uses a different pin-stack configuration and sidebar geometry, and each fails in predictable ways after years in San Bernardino’s conditions.
Our parts stance is specific: genuine Medeco OEM pin kits, springs, sidebar components, and key blanks whenever available. Aftermarket Medeco-compatible blanks and pins often carry tolerances loose enough to compromise the sidebar interaction that makes these locks high-security. If a cylinder housing is cracked, a pin chamber is ovalled, or a sidebar track is worn beyond spec, we recommend replacement rather than chasing a repair that fails again in six months. We stock common Medeco cylinder configurations and key blanks locally for same-day turnaround on most San Bernardino calls.
Medeco Service Pricing in San Bernardino
Here’s what Medeco work typically runs in San Bernardino:
- Medeco rekey (single cylinder, existing key available): $180 – $240
- Medeco rekey (lost key / no key, cylinder removal required): $220 – $290
- Medeco deadbolt adjustment or strike realignment: $140 – $190
- Medeco cylinder replacement with new OEM cylinder: $280 – $340
- Additional Medeco keys cut on OEM blanks: $18 – $28 each
These are real ranges for real San Bernardino jobs, not teaser rates. The full price is quoted on the phone before we dispatch, and it’s the exact price on your invoice. No call-out surcharge gets added when we arrive. Lost-key rekeys cost more because we must decode or disassemble the cylinder without a working key. Heat-damaged alignment jobs sometimes need strike plate replacement, which we itemize upfront.
Call (910) 714-4287 for an exact quote on your specific Medeco lock – estimates are free, and a live person answers any hour.
Serving San Bernardino, CA - Our Local Coverage Area
We’re based in the San Bernardino 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 San Bernardino
San Bernardino’s inland valley heat expands steel door frames past 110°F, throwing Medeco deadbolt alignment off spec; winter contraction reverses the problem and makes keys turn stiff. This double spike is far more common here than in coastal or Riverside service areas. We correct it with strike plate adjustment, extended lip strikes, or frame realignment – call (910) 714-4287 for a free assessment.
Yes. We can rekey Medeco cylinders even without an existing key by removing and decoding the cylinder, then re-pinning with OEM Medeco pins to a new key combination. In San Bernardino’s high-turnover rental market, we do this routinely for landlords and property managers between tenants. Call (910) 714-4287 to schedule – we’ll quote the full price before dispatch.
Medeco cylinders provide genuine high-security key control and pick resistance even on older doors, though the door itself remains the weak point. We often pair Medeco deadbolts with reinforced strike boxes and longer screws into framing on San Bernardino’s 1950s – 1970s stock. A written estimate covers your specific door condition – call (910) 714-4287.
We carry genuine Medeco OEM pin kits, springs, sidebar components, and key blanks for Maxum, M3, M4, Classic, and Biaxial cylinders. Most San Bernardino rekeys and repairs are completed same-day without waiting for parts shipments. Call (910) 714-4287 to confirm availability for your specific model.
Electronic keypad locks and lithium-battery smart locks in San Bernardino see accelerated battery depletion and plastic-housing warping at sustained 110°F+ temperatures. Medeco’s mechanical cylinders don’t have batteries to fail, which is why we often recommend them over electronic alternatives for exterior doors in this climate. Call (910) 714-4287 to discuss mechanical versus electronic options for your property.
Service Areas Near San Bernardino
We handle Medeco service throughout the San Bernardino Valley and surrounding communities. Our technicians regularly travel to Medeco service in Fontana for residential and commercial calls, and we maintain a full Medeco parts stock for jobs in Medeco service in Moreno Valley. We also cover the broader Southern California region including Los Angeles, San Diego, and Riverside County.
Book Your Medeco Service in San Bernardino Today
A locked door should only stop the wrong person. If your Medeco deadbolt is binding, your keys are catching, or you need between-tenant rekeying in San Bernardino, we’ll give you a written price before anyone touches your door and send a technician you know by name and photo. Same-day service is available across the city. Call (910) 714-4287 now – a live person answers, 24 hours a day.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving San Bernardino since 2007.






