The best solution is to rekey your locks.

This saves considerable money, especially when you gotta access multiple locks with the same key.

Pushing a key into the plug forces the pins up and down at varying heights.

Rekey a Lock

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The driver pins are all the same length and attached to springs.

These will not be changed out when rekeying the lock.

When a key is pushed into the plug, it contacts the key pins.

SCHLAGE BE365 CAM Camelot Keypad Deadbolt on a peach textured background

Rekey kits allow you to rekey a lock to match existing keys in the kit.

You will receive several keys (often between three and six keys), all identically cut.

A set of pins comes with the kit, numbered or color-coded to identify their positions in the plug.

The new keys correspond to the new pins.

In most cases, all other pieces of the lock stay the same.

A few simple tools are usually included with the kit.

Should You Rekey Your Lock or Replace It?

Here’s how to tell when to rekey your lock or replace it.

At least one working key is required to rekey a lock by yourself.

Remove the Cylinder Lock From the Knob

Turn the key a quarter-turn back and remove the key.

Push them to the side so they don’t get mixed in with the new pins.

Insert the New Key

Remove the old key and insert the new key.

Otherwise, the lock will not turn.

Insert the Key Plug Into the Housing

confirm the pins are flush at the top.

With the key still in place, slide the key plug back into the housing.

Insert the Cylinder Lock Into the Knob

Reinsert the cylinder into the doorknob from the back.

Insert the Knob on the Shank

Slide the doorknob back onto the shank.

Insert the key and turn it, allowing you to continue inserting the knob on the shank.

This assumes no other factors are involved.

As these can be complicated issues, consult a qualified attorney regarding the legality of rekeying your lock.

Yes, the original key is necessary to use a rekey kit when rekeying alock.

How Much Does a Locksmith Cost to Hire?HomeAdvisor.