Lost or Stolen House Keys: What Should You Do Next?

A missing house key is not always an emergency, but it can become one when the key was stolen, labeled, lost with identification, or taken during a dispute. If someone can connect the key to the property, you no longer have reliable key control.

If you own the affected locks or have written landlord authorization, rekeying is usually the right first move. The published lock rekey cost guide lists $15 to $50 per cylinder and a $40 to $90 service call.

For renters and property managers, the Texas rekeying laws guide explains the state-specific rules that can apply before any lock work is arranged.

Start with the steps you can take without changing property hardware or shared access.

1. 1
   Check the last known location

   Think through where the key was used and who may have seen it.

2. 2
   Look for identifying clues

   A key tag, address note, or storage habit can make a lost key more risky.

3. 3
   Notify the right people

   Tell the landlord, property manager, or relevant household members about the loss.

If you rent, get written approval from the landlord or property manager before rekeying, changing codes, or resetting shared access. At a Fort Worth rental near Camp Bowie Boulevard, include the affected entry in that written request.

1. 1
   Arrange approved lock work

   Ask the authorized owner or manager to approve the rekey or replacement before it is arranged.

2. 2
   Update authorized electronic access

   Change codes, remote access, and alarms only when you are authorized to manage them.

Do not dismantle property hardware or arrange unauthorized work because an online article sounds confident.

Rekeying is usually the first mechanical fix because it preserves serviceable hardware and invalidates the old key. Replacement is better when the hardware is worn, outdated, or no longer fits the security plan you want.

If the home uses more than one access system, remember that a new key does not affect every entry method. Garage remotes, keypads, and smart locks each need their own review.

Write down the date, the number of keys lost, where they may have gone missing, and which locks were changed. If theft is possible, keep screenshots, messages, or any other evidence that supports the concern.

Give those notes to Hi-Q before approved work is dispatched.

Use fewer loose copies, avoid address labels on key rings, and store spares in a secure place rather than an obvious hiding spot. When access changes, recover the old keys instead of assuming they are gone forever.