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Security 4 min readFebruary 15, 2026

How Often Should You Change or Rekey Your Locks?

How often should I change or rekey my locks?

There is no fixed schedule, but most security pros recommend rekeying residential locks every 5–7 years, and replacing them when they are 15+ years old or showing wear (sticky cylinders, wobbly knobs, rust).

Rekey immediately after: moving into a new home, losing a key, a break-in attempt, a roommate or tenant moving out, a divorce or separation, or any time a contractor, cleaner or short-term renter has had key access.

For businesses in Marvin, NC, rekey whenever an employee with key access leaves — regardless of how the departure went. It is the cheapest insurance you can buy.

Smart locks are easier: revoke the user code instantly from the app. But still rotate the master admin code at least once a year.

Marvin Locksmith serves Marvin, NC and the nearby towns of Waxhaw, Wesley Chapel and Weddington. Call 704-817-4639 for fast, licensed help.

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