Lock rekeying: what it means and when you need it
Rekeying changes the inside of a lock so old keys stop working, while your existing hardware stays on the door. It is one of the simplest security upgrades there is.
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What rekeying actually does
A pin-tumbler lock has a row of small pins of different lengths. The right key lifts them to a line that lets the cylinder turn. When we rekey, we remove the cylinder and replace those pins with a new set matched to a new key. The lock looks the same from the outside, but every old key is now useless.
When to rekey
- You have just bought or rented a home
- Keys were lost or stolen
- A roommate, tenant or employee moved out
- Contractors or cleaners had a key
- You want one key for every door
Rekey or replace?
| Rekey when… | Replace when… |
|---|---|
| The lock works smoothly | The lock is worn, rusted or damaged |
| You just want old keys to stop working | You want a higher-security or smart lock |
| Cost matters most | You want a new finish or style |
Can I rekey locks myself?
Some brands sell DIY rekey kits for their own locks, and some smart locks have a reset feature. For most locks, though, rekeying needs pinning kits and experience, and a mistake can leave a door that will not lock or unlock. A locksmith can usually do several doors in one visit and key them alike at the same time.
Moving soon? Read why you should rekey when you move, or see lock change options.
Frequently asked questions
Is rekeying cheaper than new locks?
Usually, because you pay for labor and pins rather than new hardware.
Can every lock be rekeyed?
Most pin-tumbler locks can. Some very cheap or damaged locks are better replaced; we will tell you which.
Locked out or need a new key?
Call Edmonds Locksmith Store for a clear quote before work begins.