Key Duplication in El Segundo · 24/7 mobile
Key Duplication in El Segundo, California
Crenshaw Lock Company provides mobile key duplication in El Segundo, California, cutting house, office, mailbox and restricted keys at your door. We are available 24/7 and have no storefront to visit because we come to you. Call (323) 997-8867 to describe your keys and set up a visit.
- Mobile to your El Segundo location
- Available 24/7
- Price quoted before we start

Key duplication sounds simple until you are standing with a worn, hard-to-turn key and a lock that has been through nearly a century of coastal air. In El Segundo, the keys people need copied range widely: a brass key for a 1930s bungalow, a mailbox key, a key for a multi-suite creative building, or a restricted-keyway key for an office that has a controlled key policy. We cut these on location, so you do not have to find a shop, wait in line, or leave your door unsecured while you run errands.
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. Our van is our shop. We bring key-cutting equipment to your home, office or campus, and we test every copy in the lock it is meant for before we leave. A copy that looks right but binds in the cylinder is not a finished job.
This page explains how on-site duplication works, what affects the cost, and what is unique about copying keys in a town that mixes older residential blocks with large aerospace and corporate campuses. If you are unsure what kind of key you have, call (323) 997-8867 and we will help you figure out the right approach.
How it works in El Segundo
- 1
Tell us about the key and the lock
Start with a call to (323) 997-8867. Describe where the key is used: a front door, a mailbox, a file cabinet, a suite door, or a restricted system. Tell us how many copies you need and whether the key has any stamps or markings. This helps us bring the correct blanks.
- 2
We come to your location
We are 24/7 and fully mobile, so we meet you at your home, office or campus. There is no counter to visit. Working on site means we can check the key against the actual lock instead of guessing from the key alone.
- 3
Inspect the original key and the lock
A worn original produces a worn copy, so we look at the key's condition first. On older bungalow hardware we also check whether the lock is sticky or corroded, because a new copy will not fix a cylinder that is already failing.
- 4
Cut and fit the copies
We cut the new keys on location from the correct blank and compare them against the original. For standard house, office and mailbox keys this is straightforward. Restricted keys follow a different process, described below.
- 5
Verify authorization for restricted keys
Restricted keyways are protected on purpose. Before copying one, we confirm that you are authorized to request duplicates, which may involve the proper authorization card, account holder, or facilities manager. If we cannot verify it, we will explain why and suggest alternatives.
- 6
Test every key in the lock
Each new key is tried repeatedly in the lock it is made for. We check that it enters smoothly, turns fully, and withdraws without catching. If a copy is stiff, we adjust it or recut it before you pay.
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What affects the price
- The type of key: a standard house key, a mailbox key, a high-security key and a restricted-keyway key all involve different blanks and different cutting methods.
- How many copies you need, since a single copy and a larger batch for a facilities team are handled differently.
- The condition of the original key, because a badly worn original may need extra care or may be better replaced by a code-based or fresh cut.
- Whether the key is restricted or patented, which can require authorization checks and special blanks.
- The time and location of the visit, since after-hours and overnight service differs from a daytime appointment.
- Whether the lock itself needs work, such as cleaning out a corroded cylinder, which is separate from the copy.
Why El Segundo chooses us
- Fully mobile service means we cut keys at your door and test them in your own lock, rather than sending you to a counter and hoping the copy works.
- Since 1987 we have worked on everything from older Craftsman and bungalow hardware to commercial master-key systems, so we recognize unusual keys when we see them.
- We are open about restricted keys. We will not copy a protected keyway without proper authorization, which protects your building as much as ours.
- We tell you when the problem is the lock and not the key. If a copy will not fix a corroded or misaligned deadbolt, we say so plainly before doing extra work.
- Availability is 24/7, which matters for facilities teams who need work done after hours without disrupting a business day.
- The owner, David Shar, leads the work, so the standards on a single mailbox key are the same as on a larger commercial job.
Key Duplication across El Segundo
El Segundo has two distinct sides when it comes to keys. West of Sepulveda Blvd, the residential grid in 90245 is full of 1920s to 1940s bungalows and 1950s homes. Near the coast, salt air is hard on exterior deadbolts, and a corroded lock can chew up a key or make a fresh copy feel stiff. For a west-side homeowner, we often copy the key and also advise whether the cylinder needs to be cleaned out, replaced, or the door realigned so the bolt throws cleanly.
East of Sepulveda, the picture changes. Smoky Hollow's light-industrial and creative spaces often have multi-suite buildings where tenants come and go, and keys end up in too many hands. Here, duplication is often tied to a bigger conversation about master-key systems and access control, and we can copy keys for existing systems or talk through an upgrade. Downtown / Main Street businesses have their own mix of storefront and office keys, along with mailbox and file-cabinet keys that tend to be forgotten until one goes missing.
Near the larger employers, such as the aerospace and corporate campuses around the Los Angeles Air Force Base and Mattel headquarters, facilities teams sometimes need after-hours work following staff changes, including interior office keys and cam locks on file cabinets. Because we are mobile and available around the clock, we can work around your schedule whether you are off Imperial Hwy, El Segundo Blvd, Rosecrans Ave or Aviation Blvd, or just off I-105 and Sepulveda Blvd. Call (323) 997-8867 to arrange a visit.
- Smoky Hollow
- Downtown / Main Street
- West Side residential grid
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Other El Segundo 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 El Segundo services, or our citywide key duplication page.
Key Duplication in El Segundo — FAQs
Do you have a shop in El Segundo where I can drop off keys?
Can you copy the old brass key to my 1930s bungalow?
Why does my new key stick in a salt-corroded deadbolt?
Can you copy a restricted or 'Do Not Duplicate' key?
Do you copy mailbox and file-cabinet keys?
Can you help a Smoky Hollow building with several suites?
Can my facilities team get keys cut after hours?
What determines the cost of a copy?
Reviewed by David Shar — Owner & Lead Technician
Crenshaw Lock Company has served Greater Los Angeles & Ventura County since 1987.
Last updated 2026-10-12.