Smart locks
House lockouts
Re-keying
Deadbolt upgrades
Schlage
Kwikset
Car keys & fobsNon-destructive entry first, always - and we re-key Schlage, Kwikset, and Baldwin locks on the spot while you watch
You get a price before we start. It does not change when we arrive. No surprises.
Get your free estimateMedeco Locksmith in Perris, CA | Greystone Locksmith
Medeco locksmith service in Perris comes down to one simple fact: we’re an independent shop that works on the actual lock in your door, not a brand rep pushing a new purchase. Greystone Locksmith services, rekeys, and repairs Medeco Maxum, M3, M4, and Original cylinders across 92570, 92571, 92572, and 92599. What makes our Medeco work different here is that we understand how Perris tract homes and 100-degree summers punish high-security hardware. Call (866) 497-9415 and we’ll tell you exactly what’s wrong before anyone rolls a truck.
Why Perris Residents Choose Us for Medeco Service
Medeco is not a lock you hand to someone who tinkers. The restricted keyway, the hardened inserts, the tight pin tolerances – all of it demands a technician who has done this enough to know which parts matter. Gil Tanner has spent three decades working locks across the Inland Empire, and our crew sees Medeco cylinders weekly, not quarterly. A lock is only as good as the installation behind it, and that holds double in Perris, where builder-grade jambs from the 1990s are often asked to hold a Maxum deadbolt they were never framed for.
We’re independent. That means when your Medeco M3 cylinder has a worn key that won’t turn, we rekey it. We don’t steer you toward a replacement you don’t need. We stock genuine Medeco OEM cylinders, keys, and bolt assemblies because the restricted keyway has no trustworthy aftermarket equivalent, and we’d rather do the job right than do it twice.
Styles & brands we work with







Common Medeco Locksmith Problems We Solve in Perris
- Restricted-keyway cylinders that won’t turn. In the older parts of 92570, plenty of homes still run the same Medeco key that was cut in the 1990s. Keys wear past tolerance after years of daily use, and the cylinder stops recognizing them. We cut new restricted keys and rekey the cylinder so it operates cleanly.
- Deadbolts that bind in summer heat. Perris regularly tops 100°F from July through September, and wood jambs swell. The hardened bolt can’t fully extend even though the cylinder is healthy. That’s a strike-plate and jamb adjustment, not a lock failure. We reset the hardware and the bolt throws clean.
- Seized retaining screws on older Maxum deadbolts. Years of dry heat and dust bake the hardened screws on cylinder housings and bolt assemblies. We see it constantly on 1980s and 1990s installs. Removal takes patience, penetrating oil, and the right bits – exactly what we carry.
- Electronic Maxum deadbolts that drain or lose programming. The keypad models wired into Perris tract homes eat batteries faster when the door faces the afternoon sun. A dead keypad at 6 p.m. on a Tuesday is common. We can reprogram or replace the unit and get you back inside.
- Rekeying after a move-in without taking time off work. Perris is a commuter town. People work in Riverside, Orange County, and LA, and they’re not home during business hours. We meet via lockbox, rekey the Medeco cylinder and any builder-grade locks at the same time, and leave working keys on the counter.
Medeco Service in Perris: What Local Conditions Mean for Your Equipment
Here’s something a generic Medeco page won’t tell you. Much of Perris’s housing stock went up between 1980 and 2005 as stucco tract homes, and a lot of those homes got a Medeco upgrade added later – aftermarket deadbolts installed on original builder-grade jambs. The problem is that the jamb was never framed to handle a hardened bolt with tight clearance. When July hits and the frame swells, that Medeco bolt binds. It’s not the lock failing. It’s the door frame moving around it. In the older neighborhoods of 92570, where original 1980s knobs still hang on front doors alongside later Medeco additions, we regularly see cylinders that are mechanically fine but deadbolts that won’t extend because the strike plate is 1/8 inch out of position. Any Medeco service call in Perris should start with checking the jamb, not the cylinder. Ours do.
Medeco Models & Products We Service in Perris
We work on the full Medeco lineup our Perris customers actually have installed. That means Original and Biaxial keyways, Medeco3 cylinders, the M3 and M4 lines, and the Maxum deadbolt family including the electronic and smart models. When existing hardware is serviceable, we rebuild it with genuine Medeco OEM cylinders, keys, and bolt assemblies – no aftermarket parts on restricted keyways. If the cylinder body is cracked or the internals are worn beyond spec, we’ll say so plainly and quote a replacement. We keep common Medeco parts on the truck so the usual rekeys and cylinder swaps in Perris don’t wait on a distributor shipment.
Medeco Service Pricing in Perris
Serving Perris, CA — Our Local Coverage Area
We’re based in the Perris 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 Perris
Can you rekey a Medeco lock in Perris without the original key?
Yes. We rekey Medeco cylinders without the original key by disassembling the cylinder and replacing the pins to a new restricted key code. This is standard practice for move-in rekeys and lost-key situations across Perris. Call (866) 497-9415 if you need it done this week.
Why does my Medeco deadbolt stick in the summer even though the key turns fine?
The key turns fine because the cylinder is healthy. The bolt sticks because Perris heat swells the door frame and shifts the strike plate. We fix that by adjusting the plate and resetting the jamb, not by replacing the lock.
Is a Medeco upgrade worth it on a 1980s tract home in 92570?
It depends on the door. On a solid entry door with a properly adjusted jamb, a Medeco Maxum is a genuine step up from builder-grade Kwikset-style hardware. On a hollow door with a soft frame, you’d be better served upgrading the door and hardware together. We’ll tell you which applies and what it costs before we do anything.
Do you work on Medeco Maxum electronic and smart deadbolts?
We do. We reprogram, troubleshoot, and replace Maxum electronic deadbolts in Perris. Summer heat on west-facing doors shortens battery life, and failed programming after a battery swap is common. Bring us the situation and we’ll sort it. Call (866) 497-9415 and we’ll quote it over the phone.
Can you meet me after hours to rekey a Medeco lock in Perris?
Yes. Perris runs on commuter schedules, and we’re built around that. Lockbox appointments and after-hours rekeys are regular work for us. You don’t need to take a day off to get new keys. Call (866) 497-9415 and we’ll set a time that fits yours.
Service Areas Near Perris
We provide Medeco sales & service throughout the greater Perris area, and we also cover the full Perris service area including Riverside, Rubidoux, Sunnyslope, Pedley, Woodcrest, and Highgrove. If you’re just over the county line, ask – we likely cover you. For neighbors to the north, see our Medeco service in Rancho Cucamonga page. For the San Bernardino side, our Medeco service in Highland page covers that territory.
Book Your Medeco Service in Perris Today
Whether it’s a rekey, a binding deadbolt, or an electronic model that’s gone dark, we’ll get your Medeco hardware working right. Call (866) 497-9415 for a free estimate. Same-day service is available in Perris when the schedule allows.
Written by Gil Tanner, Owner at Greystone Locksmith, serving Perris and the Inland Empire since the 1990s.