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Rekey vs Replace | Which Saves You More Money?

3 days ago
7 min read

Everyone wants to know about rekey vs replace locks. Simple answer: it depends on your situation but rekeying costs $15 to $40 per lock while replacement runs 50 to 200 dollars each. If your locks work fine and you just need new keys then rekeying wins on price. If they are damaged and old or you want upgraded security then replacement makes sense. 

G&I Locksmithing helps homeowners and businesses in Brandon, MS and nearby communities figure out which option actually saves money in your specific situation.

The U.S. The Department of Justice discusses residential security measures that include lock upgrades and key management as foundational components of property protection.

Rekeying Locks | When This Option Actually Works

This option works best when you’ve moved into a new home where previous owners had keys. You don't know who might have copies. Rekeying eliminates that security threat without replacing hardware. It also works when you've lost your keys or had them stolen but the locks themselves are in good condition. 

Should I rekey or replace my locks becomes a simple cost question when the hardware is sound. Rekeying means altering the internal pins in your current locks so old keys no longer work and new keys do. 

The current lock hardware stays on your doors. This keeps costs down because you're reusing hardware that functions perfectly. Most residential rekeying jobs take 30 to 45 minutes per lock, and the house rekey cost is typically between $15 and $40 depending on lock complexity.

Replacing Locks | Why New Hardware Sometimes Beats Rekeying

If one wants to upgrade his/her security system, replacing locks is the best solution one can go for. New smart locks or keyless entry systems or higher grade deadbolts provide capabilities that rekeying cannot deliver. 

Lock replacement also makes sense when your locks are damaged or corroded and mechanically failing. If a key sticks in the lock and the machinery feels loose or the deadbolt does not engage smoothly then replacement solves the difficulty completely. 

Many landowners ask Is rekeying cheaper than replacing locks so the answer is yes but only if your current locks work right. Worn locks that partially work now will fail completely soon, making replacement the smarter long-term choice.

Comparing Costs | Lock Replacement vs Rekeying Cost

Factor

Rekeying

Lock Replacement

Cost per lock

$15-$40

$50-$200

Installation time per lock

30-45 minutes

45-60 minutes

Preserves existing hardware

Yes

No

Adds security features

No

Yes (if you choose upgraded locks)

Fixes mechanical damage

No

Yes

Best for security concerns only

Yes

No

Best for worn or damaged locks

No

Yes

Suitable for upgrade projects

No

Yes

Rekeying saves money when hardware is sound. Replacement makes sense when hardware needs updating or isn't working properly.

When to replace locks instead of rekeying

If your locks do not close smoothly and keys stick or the mechanism feels loose then replacement should be your choice. Damaged locks cannot be fixed through rekeying because the internal damage persists. Rust, corrosion, or mechanical wear means those locks will fail regardless of new keys.

Worn locks create security vulnerabilities. A lock with internal damage might look locked from outside but actually be insecure. Replacement eliminates these concerns entirely. You get new hardware that works properly and holds security. 

The cost of replacement is higher than rekeying but lower than dealing with a break-in caused by a lock that didn't actually secure your property.

You've Just Moved In: Decide Based on Lock Condition

Walk around your new home and check all exterior locks carefully. Examine each deadbolt for signs of wear and damage or age. Look at interior doorknob locks and any other security hardware. 

If locks appear new or well maintained, then rekeying solves your security concern at lower cost. If locks are visibly old and corroded or worn then replace them instead. You get new hardware and new security simultaneously.

Residential Locksmith Services | Finding Your Best Solution

A locksmith inspects each lock and tests the mechanism or checks for damage and explains whether rekeying or replacement makes more sense for that specific lock.

We serve Brandon, MS and surrounding areas with residential lock assessments. We examine your locks and give you transparent pricing for either option. No pressure toward the more expensive choice. We recommend what makes sense for your situation and your budget.

Security Upgrades During Lock Replacement

If you are replacing locks anyway then this is the time to upgrade your security system. New smart locks offer keyless entry with temporary access codes and remote monitoring. These capabilities do not exist in standard mechanical locks and can't be added through rekeying.

The difference between rekeying and replacing includes the opportunity to improve your security during replacement. 

Smart locks cost $100 to $400 depending on features and brand. High security deadbolts run $40 to $150. If you are already paying for replacement labor then adding upgraded hardware to one or two main entry doors costs less than replacing every lock with basic hardware. Think about which doors really matter for your security setup.

Lock Replacement vs Rekeying After Break In or Security Breach

Replacement becomes the recommended approach because you need to verify that new hardware is completely fresh and secure. Lock replacement vs rekeying cost matters but security is the priority after a breach.

Replace all exterior locks completely and install new hardware that you know with certainty is secure. Add security features during replacement like reinforced strike plates and longer screws or upgraded deadbolts. Rekeying existing locks after a breach creates doubt you never know if the existing hardware was compromised or manipulated during the break-in.

New Locks vs Rekey After Moving: The Timing Question

Replacement takes longer because new locks need to be ordered if the locksmith doesn't stock your specific style. Timing also affects cost. Emergency same day rekeying costs more than scheduled rekeying. 

Emergency replacement costs significantly more because the locksmith must have matching hardware in stock. If you plan your lock changes before your move date then you can schedule rekeying or replacement at normal rates instead of emergency pricing.

Landlord and Rental Property Considerations

Landlords typically rekey between tenants because it's faster and cheaper than replacement. Rekeying vs changing locks for rental properties usually means rekeying happens within 24 hours of tenant move out so the next tenant can move in with new keys and no access to previous occupant information.

Some landlords replace locks when they are worn out anyway by using tenant transitions as the opportunity. Others rekey good locks and only replace when mechanical failure requires it. Consumer protection guidance emphasizes that functioning locks are essential components of comprehensive home security strategies.

DIY Rekeying | Why Professionals Do This Better

Rekeying requires tools and knowledge of lock mechanisms that most homeowners don't have. You'd need to purchase rekeying tools, buy the correct pins for your lock type, and carefully manipulate the lock mechanism without damaging it. Professional rekeying costs $15 to $40 but saves you $50+ in tools and the risk of damaging your locks.

Professionals know lock brands and how they work. They complete rekeying without damaging lock mechanisms. They also document which key code goes with which lock so you have proper records. DIY rekeying often results in locks that no longer work properly or keys that don't fit correctly.


Close up of professional locksmith performing rekeying on residential door lock with tools visible and lock mechanism open


Contact G&I Locksmithing for Your Lock Assessment

Your locks either need rekeying or replacement, and we can tell you which one makes sense. We serve Brandon, MS and Starkville, MS with fast professional evaluations and competitive pricing for both rekey vs replace lock solutions.

Call us for a same day or next day appointment. We will explain what needs to happen and give you clear pricing and advice. No pressure toward the more expensive option. We recommend what actually makes sense for your security and your budget.

Here are our two different branches' contacts: Brandon, MS: 601-383-6098; Starkville, MS: 601-387-2020.

You can also email G&I Automotive Locksmithing for scheduled assistance. Email: gandilocksmithing@gmail.com. We handle residential and commercial locksmith services throughout Brandon and nearby communities. Whether you need rekeying or replacement and an upgrade to smart locks we have got you covered.

FAQ

What is the main difference between rekeying and replacing locks?

Rekeying changes the internal pins so new keys work with existing locks. Replacing removes old locks entirely and installs new hardware. Rekeying keeps your existing locks but gives you new keys. Replacement gives you completely new hardware with fresh mechanisms.

How long does rekeying usually take?

Rekeying generally takes 30 to 45 minutes per lock. A professional locksmith can rekey most homes in 2 to 3 hours depending on how many locks need changes. Replacement takes slightly longer per lock around 45 to 60 minutes each because the locksmith must remove old hardware and install new mechanisms.

Can I rekey locks myself?

It is difficult without proper tools and knowledge. Rekeying requires special tools and correct replacement pins and an understanding of how your specific locks work. Professional rekeying costs $15 to $40 per lock. DIY attempts often damage locks or result in keys that do not work properly. Professional rekeying is usually worth the investment.

Should I rekey or replace locks after moving to a new home?

Check your locks first. If they're in good condition and work smoothly, rekeying solves your security concern at lower cost. If locks are old, corroded, or damaged, replacement makes more sense because you get new hardware that actually works. Most homeowners rekey after moving when locks are in good shape.

Does homeowner's insurance cover lock rekeying or replacement?

Most standard homeowner policies don't cover lock rekeying or replacement as a preventative measure. They might cover replacement if locks are damaged by theft or attempted break-in. Check your specific policy and call your insurance agent about coverage options. Security improvements sometimes qualify for insurance discounts even if replacement cost isn't covered.

What are the lock service options available in Brandon, MS?

G&I Locksmithing serves Brandon, MS and surrounding communities with both rekeying and replacement services. We can assess your locks, explain your options, and complete either service same-day in most cases. Call us at 601-383-6098 for the Brandon location or 601-387-2020 for Starkville to schedule your evaluation.

How do I know if my locks need replacement instead of rekeying?

Test each lock by inserting your key and turning it. If the key sticks, doesn't turn smoothly, or feels loose, the lock mechanism is damaged and needs replacement. Examine locks for visible rust, corrosion, or damage. If you see problems externally, internal mechanisms are definitely compromised. Professional inspection tells you exactly which locks need what.

Can smart locks be added during replacement?

Yes. Smart locks cost more initially but provide keyless entry, temporary codes, and remote monitoring that standard mechanical locks can't offer. If you're replacing locks anyway, this is a good time to upgrade main entry doors to smart locks while keeping standard locks on less critical entries. This balances cost with improved security features.

Sources

1. Home Security and Residential Protection Guidelines emphasize that proper lock maintenance and security hardware upgrades represent foundational components of residential protection. DOJ documentation supports home security improvements, including lock replacement and maintenance as primary crime prevention measures for residential properties.

2. Consumer Guide to Home Security: FTC resources address home security concerns and recommend proper lock maintenance and replacement when locks show signs of wear or damage. 


G&I Automotive Locksmithing

gandilocksmithing@gmail.com

Brandon, MS: 601-383-6098

Starkville, MS: 601-387-2020

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