Key Duplication in Sierra Madre · 24/7 mobile
Key Duplication in Sierra Madre, California
Crenshaw Lock Company offers mobile key duplication in Sierra Madre, California, cutting house, office, mailbox and restricted keys right at your door. We are available 24/7 and come to you, with no storefront visit needed. Call (323) 997-8867 to talk through your keys and get started.
- Mobile to your Sierra Madre location
- Available 24/7
- Price quoted before we start

A spare key is one of those small things that feels unimportant until the day it saves you a long, frustrating evening. In Sierra Madre, where many homes are early-1900s Craftsman cottages, Victorians and bungalows, the keys in people's pockets are often decades old, worn smooth, and copied from copies. A duplicate cut from a tired original can pass through several generations of wear until it sticks, spins, or fails in the lock. Getting a clean, accurate copy matters.
Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner and lead technician David Shar built the business around being fully mobile. We have no shop to drive to. Our technicians bring the cutting equipment to your home, office, or shop, check the new key in your actual lock, and make sure it turns smoothly before we leave. That matters in a town of old hardware, where a key that looks right can still bind in a century-old cylinder.
We handle standard house keys, office and commercial keys, mailbox keys, and restricted or keyed-by-code keys that ordinary hardware counters will not copy. If you are not sure what kind of key you have, call (323) 997-8867 and describe it. We will tell you honestly what can be duplicated on location and what may need extra steps, such as proof of authorization for a restricted system.
How it works in Sierra Madre
- 1
Tell us what you are copying
Call (323) 997-8867 and describe the key: house, office, mailbox, padlock, or a restricted key with a stamped no-duplicate marking. Tell us where you are in Sierra Madre and how many copies you want. We will explain what is possible on site.
- 2
We come to you
Because we are fully mobile and available 24/7, the work happens at your door. For homes up in Sierra Madre Canyon, where lanes are narrow and steep, we park where we can and carry the tools needed up to you.
- 3
Inspect the original key and lock
Before cutting, we look at the key for wear, bends, and damage, and at the lock it operates. A worn original can produce a poor copy, so when needed we may recommend cutting from the lock's actual specification instead of copying the worn key.
- 4
Cut and finish the duplicate
We cut the new key to match, then deburr and finish the edges so it slides in cleanly and does not shed brass shavings in your lock. Restricted keys are handled according to the rules of their keyway system.
- 5
Test in the real lock
Every copy is tried in the lock it is meant for, several times, along with the original. If something binds, we recut or adjust before you pay attention to it later at the worst possible moment.
- 6
Label and hand off
We hand over the originals and the copies, and suggest simple ways to keep spares safe, such as giving one to a trusted neighbor rather than hiding it under a flowerpot.
Need key duplication in Sierra Madre?
24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.
What affects the price
- The type of key: a basic house key is a different job from a high-security, restricted, or transponder-style key.
- How many copies you need, since multiple cuts in one visit are handled more efficiently than separate trips.
- Whether the original is worn or damaged enough that we should cut from the lock's specification rather than copy it.
- Authorization requirements for restricted keyways, which can add steps before we are allowed to duplicate.
- Access to the property, such as hillside lanes in Sierra Madre Canyon where we may need to carry equipment a distance.
- The time of day or night of the visit, given that we are available 24/7 for urgent needs.
Why Sierra Madre chooses us
- Fully mobile, so there is no shop trip: the key is cut at your door and tested in your own lock.
- In business since 1987, with long experience on old hardware, including worn cylinders and non-standard doors common in older foothill homes.
- Comfortable with original skeleton-key mortise locks, and honest about when a duplicate is practical versus when rekeying or a careful retrofit is the better choice.
- We copy restricted keys only within the rules of the system, rather than pretending any key can be copied by anyone.
- Every duplicate is tested in the real lock before we leave, not just compared against the original.
- A real person answers (323) 997-8867 around the clock, so a late-evening spare-key problem does not have to wait for business hours.
Key Duplication across Sierra Madre
Sierra Madre is a compact, walkable foothill town, and its keys reflect that. Around the village core and Kersting Court, many small shops and cafes need extra keys for new employees or managers, while nearby Craftsman cottages and bungalows near the famous wisteria vine often have older locks and keys that have been copied many times. A fresh, accurate duplicate in the 91024 area can make a stubborn front door work smoothly again.
Sierra Madre Canyon is its own world. Narrow, steep lanes, old cabins, and hillside homes mean parking is limited and the van may have to stay below while we carry tools up. Many of these homes keep original skeleton-key mortise locks or non-standard doors, so we look first at what the hardware actually is before suggesting a copy, a rekey, or a careful retrofit. Properties in the 91025 area range from canyon cabins to homes closer to Sierra Madre Blvd and Michillinda Ave.
Whether you are heading out to Bailey Canyon Wilderness Park or training on the Mount Wilson Trail, or simply getting through a normal week along Baldwin Ave, a spare key is cheap insurance. We serve Sierra Madre at any hour and come to wherever you are, with I-210 nearby for quick access from the surrounding foothill communities.
- Downtown Sierra Madre (Kersting Court)
- Sierra Madre Canyon
Locked out or need a locksmith now?
24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.
Other Sierra Madre locksmith services
Access ControlInstall keypad, card and fob access-control systems for business entrances.
Automotive LocksmithMobile auto locksmith for cars, trucks, motorcycles, RVs and fleets.
Broken Key ExtractionKey snapped in a lock or ignition? We extract the piece and cut a replacement.
Business LockoutLocked out of a store, office or commercial building? Rapid commercial entry.
Car Key ReplacementReplace lost or broken car keys — cut and programmed on site, even with no original.
Car LockoutKeys locked in the car or trunk? Fast, damage-free vehicle unlocking.
Commercial Door HardwareRepair and replace storefront, aluminum-frame and mortise door hardware.
Commercial LocksmithBusiness locksmith for offices, stores, warehouses and industrial sites.
Deadbolt InstallationAdd or replace single- and double-cylinder deadbolts for stronger doors.
Door Closer RepairRepair, adjust and replace hydraulic door closers on commercial doors.
Emergency Locksmith24/7 emergency dispatch for lockouts and urgent lock failures across Greater LA.
Gate Lock RepairRepair and install gate locks and latches, including keypad and smart gate locks.
High Security LocksInstall pick-, bump- and drill-resistant high-security locks and keys.
House LockoutLocked out of a house, apartment or condo? Damage-free entry on location.
Ignition RepairRepair or replace ignition cylinders and fix keys that won't turn.
Key Fob ReplacementReplace and program remote key fobs and smart/proximity keys.
Lock InstallationInstall new locks on new doors or where none existed before.
Lock RekeyingRekey existing locks so old keys stop working — ideal after a move or sale.
Lock RepairFix sticking, jammed, loose or misaligned locks, deadbolts and latches.
Lock ReplacementSwap worn, damaged or outdated locks for new hardware keyed to your needs.
Mailbox Lock ReplacementReplace and rekey residential, cluster and community mailbox locks.
Master Key SystemDesign and install master-key and restricted-key systems with key control.
Panic Bar InstallationInstall and repair panic bars, exit devices and emergency-exit hardware.
Residential LocksmithFull home locksmith service — rekeys, replacements, repairs and upgrades.
Safe LocksmithOpen, repair and service home and commercial safes; change combinations.
Smart Lock InstallationInstall, set up and troubleshoot smart, keyless and keypad locks.
Transponder Key ProgrammingProgram chip/transponder keys to your vehicle's immobilizer.
See all of our Sierra Madre services, or our citywide key duplication page.
Key Duplication in Sierra Madre — FAQs
Do you really cut keys at my home in Sierra Madre?
Can you duplicate the old keys on my Craftsman cottage?
What about skeleton-key mortise locks in Sierra Madre Canyon?
Can you copy a key marked Do Not Duplicate?
Do you copy mailbox and office keys?
Is it better to copy a key or rekey the lock?
Are you available at night or on weekends?
How do you price key duplication?
Reviewed by David Shar — Owner & Lead Technician
Crenshaw Lock Company has served Greater Los Angeles & Ventura County since 1987.
Last updated 2026-10-12.