Rekey vs Replace Locks After Moving

When you close on a house, you inherit its locks and an unknown number of keys. Copies go to contractors, relatives, previous tenants, dog walkers, real estate agents, and neighbours, and none of that appears on a settlement statement. Dealing with it is the first security job in a new home, and the choice is almost always between rekeying and replacing.

What rekeying actually does

A locksmith opens the cylinder, swaps the pin stack to match a new key, and reassembles it. Your hardware stays on the door — same finish, same style, same holes — and every key cut to the old code stops working. It is a mechanical reset of who can open the door, not a change to the door itself.

Rekey when…

• The hardware is mechanically sound and turns smoothly.
• You only need old keys retired, not better security.
• Your doors already have deadbolts you are happy with.
• You want several doors on one key instead of a crowded ring.
• The finish matches the house and you would rather not change it.

Replace when…

• A door has only a knob or lever latch and no deadbolt at all.
• The lock is worn — sticky key, rough turn, loose lever, bolt that needs a shoulder.
• You want to move up a security grade, not just change keys.
• You want a keypad or smart lock and its features.
• Hardware was forced or damaged at some point.

The honest limitation of rekeying

Rekeying does not upgrade security. A builder-grade knob lock is still a builder-grade knob lock afterwards. If you want the door harder to defeat, the money is better spent on a reinforced strike plate with three-inch screws into the framing and a deadbolt with a full one-inch throw. Most forced entries defeat the frame, not the cylinder, and that fix costs a fraction of premium hardware.

One key for the whole house

Houses accumulate mismatched locks: a front door from one era, a back door from another, a garage entry a previous owner added, a basement door nobody uses. Compatible cylinders can be keyed alike so one key opens all of them. Where a keyway is incompatible, swapping that single cylinder is usually cheaper than people assume, and a locksmith can tell you which doors need it during the walk-through.

Do not forget the doors nobody thinks about

• The garage side entry door, which is often the weakest one on the house.
• Basement and cellar doors, especially in older Valley homes.
• Storm and screen doors with their own latches.
• Sheds, workshops, and barns where padlocks can be keyed to match.
• Any keypad lock's access codes, which should be cleared and reissued.

What the visit looks like

A technician walks the doors with you, checks that each cylinder is rekeyable, and gives an upfront quote covering the doors and the number of keys before any work starts. Cylinders are rekeyed on site, keys are cut and tested in every lock with the door closed rather than on a bench, and you leave with a known key count for the first time since you bought the place.