How Rekeying Changes Who Can Unlock a Door

https://thelocknotebook.almoheet-travel.com/how-rekeying-changes-who-can-unlock-a-door

Rekeying a lock changes its internal pins so the old keys no longer work, while the new key you choose becomes the only one that can turn the cylinder. It’s like giving the door a fresh identity—you don’t replace the hardware, just reset who holds the access. Landlords often do this between tenants to keep former renters from letting themselves back in, and homeowners might rekey after losing a key or moving into a new place. It’s a straightforward security upgrade that keeps control where it b…