Do you get a new key when you rekey a lock?

Author: Prof. Harvey Roberts  |  Last update: Monday, June 15, 2026

Lock rekeying is the process of altering a lock's internal components to work with a new key while keeping the existing lock hardware. This involves changing the pins or wafers inside the lock cylinder, which are the parts that interact with the key to allow it to, or prevent it from, turning.

Do I need a new key to rekey a lock?

Fortunately, there is a much simpler way than just changing your locks all together. Rekeying a lock can be done by a professional locksmith and does not require new locks but will provide you with new keys and the old keys will no longer work.

What happens when you rekey a lock?

What is a lock rekey? A lock rekey is when a locksmith changes the pins in the lock itself so that the previous keys won't operate it. It is usually cheaper to rekey the existing door hardware than to completely replace it.

Is it cheaper to rekey a lock or replace it?

Due to the extremely low price of the key pins in the locks, rekeying is almost always much cheaper than getting your locks changed. When rekeying your locks, you are only being charged for the labor, whereas when you get your locks changed, you're paying both for labor and parts.

Do new locks come with new keys?

Changing door locks means completely replacing the existing lock with a new one, which includes new keys and hardware.

How to rekey a lock 101

How do I get a new key for my lock?

If you still have a physical key, you should be able to get it duplicated from a local hardware store or locksmith. If you don't have a key to reference, then another option is knowing your key number to place a special order via a authorized distributor.

How many times can you rekey a lock?

Unlimited amount of times.

How long does it take a locksmith to rekey a lock?

A rekey service can take between 10 and 40 minutes per lock. Rekeying only applied to keyed security locks, and not to privacy locks found on bathroom and bedroom doorknobs. New lock installation or replacement can take 30-60 minutes per lock, which is one reason that lock replacement is more expensive.

Does Home Depot rekey locks?

Most Home Depot's have an associate on staff that can rekey door locks. Call your local Home Depot and make sure that the person that does the rekeying service is there before you arrive. Also there may be a charge for this service.

Does Lowes rekey locks?

Lowes won't rekey an old lock you carry in, you have to buy it right there. ... unless you get an employee in a good mood that feels like helping. They use the 5 digit code on your key to know what pins to put in the lock.

Can you rekey a lock by yourself?

If you know the brand or keyhole style of your locks, you may be able to buy a lock rekeying kit from your local home hardware store. But while you might have the tools to change locks, rekeying them can require special—and expensive—tools. You can buy them as a kit, then follow the instructions.

Will Ace Hardware rekey locks?

We rekey Kwikset and Schlage locks at a fraction of the price of having to replace your locksets. We can also create a 'master key' for superintendents or landlords that need access to multiple units without carrying a hundred keys. We also key Masterlock padlocks to an existing Masterlock key.

Can a handyman rekey a lock?

To rekey locks, you or a handyman professional have to remove the key cores from the locking hardware and replace them with lock patterns that match new keys. This sounds simple but actually is time-consuming and can get costly, as you have to pay for labor and buy new equipment.

Can a locksmith make a new key without the original?

If you have a traditional key, a locksmith can make you a replacement key without the original on the spot. If you have a more technologically advanced key, you'll probably need to get a tow to a dealership and order a replacement from them.

Can an existing door lock be rekeyed?

Most common door locks can be rekeyed, but if you have lost the original key or the lock is broken, the lock will need to be replaced. Do you need the original key to rekey a lock? Yes, the original key is necessary to use a rekey kit when rekeying a lock.

Is it cheaper to rekey or replace locks?

Rekeying is usually cheaper, and it still provides you with a renewed sense of security. If you move into a new home or if your key is lost or stolen, rekeying your lock will almost always suffice. If your lock mechanism is beginning to deteriorate, however, consider changing the lock.

Do you need original key to rekey a lock?

Yes, it is possible for you to rekey a lock without the original key. A locksmith can change your locks even if you have lost or misplaced the original key. In general, it is possible to pick or shim the lock and unlock the door. Then, the locksmith will have a much easier time removing the lock cylinder.

How much does it cost to rekey an entry door?

Rekeying a lock is less expensive than replacing the whole unit. The cost to rekey is about $50 to $100 when you hire a pro or as little as $10 if you DIY. The cost to change a lock is $130 to $500, depending on the hardware you select.

Is it difficult to rekey a door lock?

Whether you lost your keys (again) or just moved into your dream home, rekeying your locks is a smart decision. It'll give you added peace of mind and help you learn a new skill at the same time. While you can always choose to hire a locksmith instead, this DIY is a fairly straightforward project.

How fast can a locksmith make a key?

A professional locksmith can accurately duplicate a standard key in just a few minutes. Duplicating a more complicated key can take up to 25 minutes. How long it takes to get a key copied could depend on where you go to get your key copied.

Can I get all my locks keyed the same?

Can I have every lock in my home Keyed Alike? As long every lock in your home is the same type then yes. If your locks are different, they will have to be changed in order to use the same keys for all of them.

What is a smart key for a house?

A smart key allows you to lock and unlock your doors using voice commands, access codes, fingerprints, a smart hub, or your smartphone. Smart keys also use Wi-Fi, Bluetooth, or Z-Wave technology to allow you to access your locks remotely. Some smart lock systems even allow you to further customize your lock settings.

Can I use my old key with Kwikset SmartKey?

Any SC1 5-Pin key is compatible.

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