Open daily, 6:00 AM–11:30 PM · Call or text (808) 636-9894
A lock rekey is one of the simplest ways to take back control of who can get into your home or business. Instead of replacing your locks, we change the pins inside the cylinder so a brand-new key works and every old key stops working. Your hardware, finish and door stay exactly the same. Mililani Key Solutions does mobile rekeying across Oʻahu, right at your door.

| Rekey | Replace | |
|---|---|---|
| What changes | The pins inside the lock and the key | The whole lock or handle set |
| Old keys | Stop working | Stop working |
| Look of the door | Stays the same | Changes |
| Good fit when | Locks are in good shape | Locks are worn, broken or you want an upgrade |
If your locks are in good working order, rekeying is usually the easy answer. If they’re loose, corroded or you want a stronger deadbolt or a keypad, see lock change and installation.
Rekeying is covered by our 30-day warranty on labor and parts.
Want to understand the details first? Read our guide to what rekeying a lock involves or our step-by-step look at rekeying a Kwikset lock.
Landlords and property managers rekey between tenants. Businesses rekey after staff turnover, and some set up a master key system so managers carry one key while staff keys open only certain doors. Ask about it when you call, or see commercial locksmith services.
Most standard residential pin-tumbler locks can be rekeyed. Some locks are designed differently, and very worn or corroded locks may be better replaced. Salt air near the coast can be rough on cylinders. If a lock can’t be rekeyed cleanly, we’ll tell you and give you replacement options instead.
We rekey homes and businesses in Mililani and Waipiʻo, Wahiawā, Haleʻiwa, Kapolei, ʻEwa Beach, Waipahu and Pearl City and ʻAiea. See all service areas.
Rekeying changes the inside of the lock so a new key works and old keys do not. Changing a lock replaces the hardware itself.
Often, yes. If the locks are compatible, we can key them alike.
It is a smart step. You don’t know how many copies of the old keys are out there.
Many smart and keypad locks also have a key cylinder that can be rekeyed. Tell us the brand and model when you call.
Yes. We rekey for landlords and property managers between tenants.
Yes, with a 30-day warranty on labor and parts.
Call or text (808) 636-9894. We’re open daily, 6:00 AM–11:30 PM.
Related: House lockout · Lock change & installation · Residential locksmith