When you need to change your locks, you have two options: rekeying or complete replacement. Understanding the difference can save you money while still keeping your home secure.

What Is Lock Rekeying?

Lock rekeyingchanges the internal pin configuration of your existing lock so that old keys no longer work. You get new keys, but keep the same lock hardware. It's like changing the "combination" of your lock.

What Is Lock Replacement?

Lock replacement means removing the entire lock and installing new hardware. You get a completely new lock with new keys.

When to Rekey

Moving into a new home - Previous owners/tenants may still have keys
Lost your keys - Someone could find them and use them
Roommate moved out - Ensure they can't return
Locks are in good condition - No damage or wear
Budget is a concern - Rekeying costs less

When to Replace

Locks are damaged - Sticky, loose, or malfunctioning
Locks are outdated - Old locks may not meet current security standards
After a break-in attempt - Locks may be compromised
Want upgraded security - High-security or smart locks
Changing aesthetics - New style or finish desired

Cost Comparison

Rekeying

$20 - $40

per lock

Replacement

$75 - $200+

per lock (including hardware)

The Bottom Line

If your locks work well and you're happy with their security level, rekeying is the cost-effective choice. If your locks are old, damaged, or you want better security, replacement is worth the investment.

A professional residential locksmith can assess your locks and recommend the best option for your situation.

Rekey vs Replace Locks: Which Is Right for You?