Most homeowners change their locks only after something goes wrong. But there are quieter warning signs that it’s time to rekey your home locks — and catching them early is one of the simplest ways to protect your family and your property. Here are five signs Gary and Northwest Indiana homeowners shouldn’t ignore.
What It Means to Rekey Your Home Locks
Rekeying doesn’t mean tearing out your hardware. A locksmith adjusts the pins inside your existing lock cylinder so old keys stop working and a fresh key takes over. Your door looks exactly the same afterward — the only thing that changes is who can get in. It’s faster than a full replacement and works with most standard residential locks.
Sign 1: A Key Is Missing or Unaccounted For
If a house key has disappeared — fell out of a coat pocket, vanished from a gym bag, or simply can’t be located — assume it could be found by someone else. A key with no address attached seems harmless, but if it went missing near your home or with anything identifying, the safest move is to make it useless. Rekeying does exactly that.
Sign 2: Too Many Copies Are Floating Around
Over the years, keys get handed to dog walkers, babysitters, neighbors, and relatives. If you can’t confidently list every person who holds a copy of your key, you’ve lost control of your own front door. Rekeying resets the count to zero, and you decide who gets a copy this time.
Sign 3: A Roommate, Tenant, or Ex Moved Out
Whenever someone who had a key no longer lives there, rekey — even if the split was friendly and the key was returned. There’s no way to know whether a copy was made along the way. The same logic applies if you’ve just bought or started renting a home anywhere from Miller Beach to Crown Point: previous owners, their relatives, and past contractors may all still hold working keys.
Sign 4: Contractors or Service Workers Had Access
Remodeling projects, cleaning services, and repair visits often involve lending out a key or leaving one under the mat. Once the project wraps up, that key’s history is out of your hands. Rekeying after major work is a small step that closes the loop for good.
Sign 5: A Break-In or Attempted Break-In Nearby
If there’s been a burglary on your block — or you’ve noticed scratch marks around your keyway that suggest someone tampered with the lock — don’t wait. Rekeying, and upgrading worn hardware while you’re at it, makes your home a harder target. Older Lake County homes with original builder-grade locks benefit the most, since decades-old cylinders are easier to defeat.
Ready to Rekey? Jacob’s Lock and Key Can Help
If any of these signs sound familiar, Jacob’s Lock and Key makes it easy. Jacob is a licensed mobile locksmith serving Gary and all of Northwest Indiana — including Hammond, Merrillville, Crown Point, Schererville, Munster, Griffith, Dyer, Hobart, Portage, and beyond — 7 AM to 11 PM, seven days a week. Call (219) 342-5595 and take back control of who holds the keys to your home.
Last updated: 07/10/2026