Is Rekeying Cheaper Than Replacing Your Locks

March 1, 2026

Lock problems don’t always mean you need brand-new hardware. Sometimes the issue isn’t that the lock is broken — it’s that you no longer feel secure using the same keys.


Maybe you moved into a new house. Maybe a roommate moved out. Maybe a contractor or previous tenant still has copies floating around. In these situations, homeowners often assume the only safe solution is full lock replacement. That can sound expensive fast, especially if your home has multiple doors.


In many cases, though, there’s a simpler and more affordable option: rekeying.

For homeowners in Murray, Utah, knowing the difference between rekeying and replacing locks can save a significant amount of money while still restoring security. The right choice depends on your hardware, your budget, and what condition your locks are actually in.


What Rekeying and Lock Replacement Actually Mean

Before comparing costs, it helps to understand what each service involves. These two options solve different problems, even though they sound similar.

Rekeying

Rekeying keeps your existing lock hardware but changes the internal pins so old keys no longer work. A locksmith disassembles the lock cylinder, adjusts the pin configuration, and creates a brand-new key that matches the updated setup.

From the outside, nothing looks different. Functionally, it’s as if the old keys never existed.

Replacing locks

Lock replacement removes the entire lock assembly and installs completely new hardware. This includes the cylinder, housing, latch, and sometimes updated strike plates.

This approach changes both the security and the appearance of your door.

The difference is simple: rekeying modifies what you have; replacement starts over from scratch.


Cost Comparison at a Glance

If price is your main concern, the numbers below show why many homeowners choose rekeying first.

Service Typical Cost Per Lock What You Pay For
Rekeying $20–$40 Labor + new key pins
Lock replacement (basic) $75–$150 New hardware + installation
Lock replacement (premium/smart) $150–$350+ Advanced hardware + setup

When you multiply that across several doors, the difference becomes obvious.

For example, a home with five exterior locks could cost:

  • Rekeying: roughly $100–$200
  • Replacement: $400–$800 or more

That gap is why rekeying is often the budget-friendly solution when the locks themselves still work properly.


When Rekeying Is the Smarter (and Cheaper) Choice

Rekeying is ideal when your existing locks are in good shape and you simply need control over who has access.

The situations below are where rekeying makes the most sense financially and practically:

  • You moved into a new house
  • You lost a key but the lock isn’t damaged
  • A roommate, tenant, or employee moved out
  • You want all doors to use one key
  • You want better security without replacing hardware

In these cases, the lock is still functioning perfectly. Changing the internal pins restores security at a fraction of the price.

For many homes around Murray, this is the most common and cost-effective option after move-ins or tenant changes.


When Replacing Locks Is Worth the Extra Cost

There are times when rekeying isn’t enough. If the lock itself is outdated, worn, or compromised, replacement becomes the better investment.

Rather than modifying old hardware, installing new locks provides stronger long-term protection.

Replacement is usually recommended when:

  • Locks are visibly worn or sticking
  • Hardware is rusted or weather-damaged
  • You want to upgrade to deadbolts or higher security
  • Keys repeatedly jam or break
  • You’re switching to smart locks or keypad entry
  • The lock was damaged during a break-in

In these situations, paying more upfront prevents future repairs and improves overall reliability.


How Rekeying Works Step by Step

Because many homeowners haven’t seen rekeying done before, understanding the process makes it easier to trust the service.

Here’s how a professional locksmith typically handles it:

  1. The lock cylinder is removed from the door
  2. The cylinder is disassembled on a workbench
  3. Old pins are removed and replaced with new ones
  4. A new key is matched to the updated pin layout
  5. The lock is reassembled and tested
  6. The cylinder is reinstalled

The entire process usually takes only a few minutes per lock, which keeps labor costs low. There’s no drilling, no new hardware, and no visible changes to your doors.


Other Factors That Influence the Price

Even within rekeying or replacement, final pricing can vary depending on your home’s setup. Before scheduling service, it helps to understand what might affect the total.

  • Number of locks being serviced
  • Type of lock (deadbolt, knob, smart, high-security)
  • Time of day or emergency service
  • Travel distance for mobile service
  • Whether keys need to be matched across multiple doors

Homes with several exterior doors or specialty locks will naturally cost more than a basic setup, but rekeying still tends to stay significantly cheaper than full replacement.


Security and Convenience Benefits Beyond Cost

While price is important, the choice isn’t only financial. Each option offers different benefits that may matter depending on your priorities.

Rekeying advantages

  • Lower cost
  • Faster service
  • Keeps existing hardware
  • Can make all locks work with one key

Replacement advantages

  • Brand-new hardware
  • Updated security features
  • Better durability
  • Option for modern styles or smart technology

If your current locks are working smoothly, rekeying provides the best value. If you’re upgrading security or aesthetics, replacement may be worth the investment.

FAQs About Rekeying vs Replacing Locks

  • Is rekeying as secure as replacing locks?

    Yes. Once rekeyed, old keys no longer work, making it just as secure as replacement in most cases.

  • How long does rekeying take?

    Usually only a few minutes per lock, making it faster than installing new hardware.

  • Can all locks be rekeyed?

    Most standard residential locks can. Some specialty or very old locks may require replacement.

  • Is it cheaper to rekey multiple locks at once?

    Yes. Bundling several locks into one visit often reduces the overall cost per lock.

  • Should I replace locks after buying a home?

    Rekeying is usually sufficient unless the hardware is damaged or outdated.

Conclusion

If your locks are still in good condition, rekeying is almost always the cheaper option. It restores security, eliminates old keys, and costs far less than buying and installing entirely new hardware. Replacement makes sense when locks are worn out or when you want to upgrade features, but it isn’t necessary for every situation.


For many homeowners in Murray, a quick rekey provides the same peace of mind without the higher expense. Working with a reliable local locksmith like Lynn's Lockshop can help you evaluate your doors, understand your options clearly, and choose the most practical solution for your home.

Sometimes the safest fix doesn’t mean replacing everything — it just means resetting what you already have.

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