Buying a home is exciting, but it also creates a long list of things to check. One of the most important security questions is simple: who still has a key to your house?
Even when the seller gives you keys at closing, there is no way to be fully sure those are the only copies. Keys may have been shared with family, neighbors, cleaners, dog walkers, contractors, or previous occupants over the years.
That is why many new homeowners choose to rekey soon after moving in. It gives you a fresh starting point without automatically replacing every lock on the property.
What Does It Mean to Rekey a Lock?
Rekeying means changing the inside of the lock so the old key no longer works. The exterior hardware can stay in place if it is still in good condition, but the lock cylinder is adjusted to work with a new key.
This makes rekeying a practical choice when the locks themselves still work well and you mainly want better control over access.
- You keep the existing hardware if it is still worth keeping.
- Old keys stop working once the rekey is complete.
- It is often more affordable than replacing every lock.
- Compatible doors can sometimes be matched to one key.
Why Rekeying Matters After Buying a Home
1. You cannot be sure how many key copies exist
The seller may give you the keys they know about, but that does not tell you how many copies were made over the years. Extra keys may have been handed to relatives, neighbors, tenants, contractors, or service companies.
2. It is one of the easiest first security upgrades
Many home upgrades take time and planning. Rekeying is different. It is usually a straightforward way to reduce uncertainty early, especially while you are still settling into the house.
3. Lost keys from the past can still be a risk
Sometimes the issue is not that someone intentionally kept a key. Sometimes a key was simply lost years ago. If that lost key still works, it still matters.
4. It can save money compared to replacing everything
When the existing hardware is in good shape, rekeying is often the more cost-effective option. That matters when you are already dealing with moving costs, repairs, furniture, and all the other expenses that come with a new home.
Rekey or Replace: Which One Makes More Sense?
The better option depends on the condition of your locks and what you want from the upgrade. Rekeying is often the smarter first move when the locks are still solid. Replacing is better when the hardware is worn, outdated, damaged, or no longer fits your needs.
Rekeying is usually a good choice when:
- the locks still work well
- you want old keys disabled
- you want to keep the existing style
- you want to keep costs lower
- you want one key for multiple doors when possible
Replacing may be better when:
- the locks are damaged or worn
- the hardware is outdated
- you want smart locks
- you want a different finish or style
- the current lock is low quality and not worth keeping
When Should You Rekey Your Home Locks?
Buying a new home is one of the most common reasons to rekey, but it is not the only one. A rekey can also make sense any time you are unsure who still has access.
- you lost a house key
- a key was stolen
- a roommate or tenant moved out
- contractors or service providers had access
- you bought a rental property
- you want better control over entry
- you are planning a simple home security upgrade
What Parts of the House Should Be Rekeyed?
Many people think only about the front door, but a proper rekey plan should usually include every important entry point that could allow access into the home.
- front door
- back door
- side door
- garage entry door
- basement entry door
- interior connecting doors in some layouts
- other keyed exterior access points
A quick walk-through with a locksmith can help make sure no important access point gets missed.
Pricing and What Affects Cost
The final price depends on the number of locks, the hardware type, and whether the current locks can be rekeyed properly. Instead of relying on one flat number, it is better to look at the actual setup in the home.
- number of locks being serviced
- brand and cylinder type
- whether multiple locks can be matched to one key
- worn or damaged hardware
- whether any locks need replacement instead
- whether duplicate keys are also needed
- whether service is done in-shop or by mobile visit
For an exact quote, call (615) 625-8000.
How It Works
1. Call Armstrong Locksmith
Let us know how many doors you want checked and whether you recently moved into the property.
2. We assess the existing locks
We look at the lock type, condition, and whether rekeying is the right move or if replacement would be the better option.
3. We rekey compatible locks
The inside of the lock is adjusted so old keys no longer work.
4. We test the new keys
We make sure the updated locks operate correctly before the job is finished.
5. We discuss helpful upgrades if needed
If a lock is damaged, outdated, or not worth rekeying, we can explain the next best option.
How a Nashville Locksmith Can Help
A good locksmith does more than just change key access. A proper residential visit should also help you understand whether your locks are still worth keeping and whether there are weak points around the doors that deserve attention.
At Armstrong Locksmith Inc, we help with residential rekeying, lock changes when needed, deadbolt upgrades, key duplication, and smart lock installation for homeowners who want more convenience and better control.
If you just bought a house in Nashville and want a fresh start with your keys, rekeying is often one of the simplest ways to improve peace of mind right away.
Frequently Asked Questions
Should I rekey locks right after buying a house?
Is rekeying cheaper than replacing locks?
Can one key work on all my exterior doors?
How long does a home rekey take?
Should I replace the locks instead of rekeying?
Can you make duplicate house keys too?
Need Home Rekey Service in Nashville?
If you just bought a home and want more confidence about who still has access, Armstrong Locksmith Inc can help with residential rekey service, lock changes, and practical home security support.