Rekey or Replace? How to Decide What Your Home Security Actually Needs
Most homeowners don't know there's a smarter, more affordable alternative to replacing their locks. Here's when rekeying is the right call—and when replacement makes more sense.
When you move into a new home, lose a key, or have a tenant move out, the instinct is often to replace the locks entirely. It feels like the safest move. But in many situations, rekeying is the smarter choice—and it costs significantly less.
What Is Rekeying?
Rekeying is the process of adjusting the internal pins inside your lock cylinder so that old keys no longer work. A locksmith replaces the small pins that align with your key's cuts, creating a new key pattern. Your existing lock hardware stays in place. Only the key pattern changes.
This is ideal when: - You've recently moved and want to make sure previous owners or tenants can't access the property - You've lost a key and want to ensure no one can use it - You want all your doors to operate on a single key - Your lock hardware is in good condition and doesn't need replacement
When Should You Actually Replace the Lock?
Lock replacement makes more sense when: - The hardware is old, damaged, or worn - You want to upgrade to a higher-security lock or smart lock - The lock has been physically tampered with or drilled - You're changing the door hardware style
The Cost Difference
Rekeying is almost always cheaper than replacing. Because the hardware stays the same, the labor and materials cost less. For most homeowners with functioning deadbolts, rekeying after a move will give them the security refresh they need at a fraction of the cost of new hardware.
The Bottom Line
If your locks are in good shape and you simply want to control who has access, call a locksmith to rekey them. If the hardware is compromised or you're ready to upgrade, replacement is the way to go. Either way, a licensed locksmith can assess the situation and give you a clear recommendation before any work begins.
360 Locksmith LLC provides both rekeying and lock replacement throughout Richardson and the surrounding DFW area. Call us at +(214)989-7539 for a free estimate.