Rekeying resets which key opens your lock without replacing the hardware, an affordable way to take control of access after moving or losing a key.
A locksmith opens the lock cylinder and re-pins it to a new key, so previous keys no longer work while the lock body stays in place. It is quick, economical, and ideal when your existing locks are in good condition. Multiple locks can often be rekeyed to a single key for convenience.
Rekey after moving into a home, when a key is lost or stolen, when a roommate or tenant moves out, or after lending keys to contractors. Any time you are unsure who holds a working key, rekeying restores certainty. It is far cheaper than replacing every lock.
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Rekeying reuses the existing lock hardware and only changes the internal pins so old keys stop working. Replacing a lock swaps the hardware itself, which costs more and is only needed if the lock is damaged.
Yes. Multiple locks on a property can usually be rekeyed to work with a single key, which is a common request when moving into a new home.
For most standard locks, rekeying alone restores security after a lost key, since it makes the old key useless without touching the lock body.
Related: lock installation, master key systems, and key duplication.