Rekeying Locks

5 Key Things to Know About Rekeying Locks

Facebook
Twitter
LinkedIn

If you’re concerned about home security, especially useful after changing residences or misplacing key copies, rekeying locks might be the ideal solution. Rather than replacing entire locksets, this process modifies your existing locks so old keys no longer work, offering both convenience and peace of mind. At Calder Doors, we help homeowners and businesses find innovative, affordable solutions to secure their properties. Rekeying is often overlooked, but it’s a highly trusted means to reclaim control of your property’s access space. Whether you’re a homeowner, landlord, or business owner, understanding the basics of rekeying can save you time, stress, and money. Below are five essential things you should know before deciding if rekeying is right for you.

Rekeying Changes the Key, Not the Lock

How Rekeying Actually Works

Rekeying involves adjusting the pins inside your existing lock cylinder so that a new key fits while the old one does not. This is done by a locksmith or with a rekeying kit for those comfortable with DIY work. The lock’s exterior and internal structure remain intact, making this a non-invasive option. You still use the same lock hardware, which is ideal if your locks match your door’s aesthetics. The only noticeable difference is that a new key now controls access. This method permits you to keep using your present setup while improving your overall security.

Why This Is a Smart Approach

By changing only the internal mechanism, rekeying avoids unnecessary replacement costs or changes to your door hardware. If your lock is still in good shape and offers sufficient protection, there’s no need to replace it. You can also ensure that lost or stolen keys no longer pose a security risk. This method is efficient and is often completed within minutes by a professional. At Calder Doors, we recommend rekeying as the first step in boosting security after any change in property access. It’s a quick fix with long-term benefits.

When It’s Most Useful

Situations such as moving into a new home, taking over a rental, or dismissing a contractor with key access are ideal times to rekey. These are common scenarios where existing keys may still be in the hands of others. Instead of wondering who might still have a copy, rekeying gives you complete control. Even if the lock is several years old, as long as it’s mechanically sound, it can usually be rekeyed. It’s one of the easiest and most responsible ways to reclaim your security.

It’s a Cost-Effective Alternative to Replacing Locks

Affordability Without Compromise

One of the most attractive aspects of rekeying locks is that it’s much more affordable than purchasing and installing entirely new lock systems. Replacing multiple locks, especially if you want them keyed alike, can get expensive quickly. Rekeying allows you to achieve similar results without the higher cost. You’ll only be paying for the rekeying service and possibly new keys rather than new locksets and labor. This makes it a smart option for budget-conscious homeowners and landlords. At Calder Doors, we aim to deliver top-tier security solutions that don’t break the bank.

Cost vs. Replacement

While lock replacement is sometimes necessary, it’s often overkill if the lock hardware itself is still in good shape. Many customers are surprised to learn that they don’t need to replace anything physical to improve security. In most cases, rekeying offers the same level of protection as a complete replacement, at a fraction of the cost. For multiple entry points like front doors, back doors, and garages, the savings really add up. Whether you’re securing a single home or an entire rental property, rekeying is a smart financial move. 

Value Over Time

Rekeying not only saves you money upfront but also offers lasting value by extending the life of your existing locks. You avoid the costs and hassle of completely removing and replacing hardware, which may also require modifications to your doors. Since the external parts stay the same, maintenance is also simplified. If the need arises in the future, the same locks can be rekeyed again. This solution can easily adapt and develop with your future requirements. 

Ideal After Losing Keys or Moving In

Protecting Against Unauthorized Access

If you’ve ever lost a key or moved into a new property, you know the uncertainty of who might still have access. Rekeying locks eliminates that doubt immediately. Any old keys still floating around—whether in the hands of strangers or former tenants—are rendered useless. This makes rekeying the first and most essential step toward reclaiming control over your home or business. It’s a fast, effective way to protect your loved ones and belongings. With Calder Doors, you get a quick response and trusted service to help secure your space.

Peace of Mind After a Move

Moving is stressful enough without having to worry about the security of your new home. Unless you’re the first person ever to occupy the space, there’s no guarantee all keys have been returned. Rekeying allows you to start fresh with a new set of keys and the peace of mind that comes with total access control. It’s also helpful when taking over the management of a rental or investment property. In many states, landlords are even required by law to rekey between tenants. 

Smart for Rental and Commercial Properties

If you own rental properties or commercial spaces, rekeying is an efficient way to manage key access between tenants or employees. It’s far more affordable than constantly replacing lock hardware. You can easily rekey after a lease ends or when an employee with key access leaves the company. This keeps your property secure and helps maintain tenant or staff trust. A quick visit from a professional locksmith can reset your system in minutes. 

Not All Locks Can Be Rekeyed Easily

Lock Type Matters

Most pin-and-tumbler locks are designed to be rekeyed, but not every lock is created equally. Some cheaper or outdated locks may lack the proper construction or components for a successful rekeying. In these cases, full replacement might be the better option. High-security locks may also have patented key systems or tamper-resistant features that complicate rekeying. Knowing what type of lock you have is the first step.

Age and Condition of the Lock

Even if a lock is technically reliable, its condition might make the process impractical. Locks that are rusty, worn out, or damaged internally may not hold new pins securely. Attempting to rekey a failing lock could result in further issues or even compromise the lock’s performance. If your lock is sticking or has difficulty turning, a replacement may be more reliable. Sometimes, the cost of rekeying an old, low-quality lock just isn’t worth it. Trust Calder Doors to help you decide whether to rekey or replace based on your lock’s condition.

Specialty or Smart Locks

Some modern or smart locks are designed with proprietary parts that may prevent easy rekeying. These include electronic locks, biometric systems, or models with built-in access controls. While some of them do offer rekeying features, many require specialized tools or manufacturer support. If you’re using innovative technology for access, consult your device’s manual or speak with a professional locksmith. 

You Can Key Multiple Locks Alike

One Key for Every Door

Rekeying isn’t just about replacing a single key—it’s also a chance to simplify your life. If you have multiple doors, rekeying them to use the same key makes access more convenient. Instead of juggling a key ring full of options, you’ll have one universal key that works for all compatible locks. This is especially helpful for families, landlords, or business owners managing multiple entrances. A streamlined key system cuts down on confusion and enhances organization. Calder Doors can help you consolidate your locks efficiently.

Compatibility Is Key

To rekey multiple locks to match a single key, they must be compatible in terms of brand and internal design. Not all locks can be keyed alike unless they share the same manufacturer or keyway style. If your doors have a mix of locks, you may need to replace some to achieve full compatibility. That said, it’s usually a simple process when planned ahead. An experienced locksmith can tell you what’s possible and recommend the best path forward. 

Better Control With Fewer Keys

Whether for personal convenience or operational efficiency, using a single key for multiple locks offers better control. You can also choose to rekey sure doors differently for added security, like separating guest access from private areas. Rekeying provides flexibility in how your access points are organized. Over time, this can simplify key management while cutting down on key loss or misplacement. Plus, it’s one less thing to think about during a busy day. 

Conclusion

Rekeying locks is one of the most innovative and most affordable ways to enhance security without replacing existing hardware. It offers peace of mind when moving, recovering from lost keys, or managing access to multiple doors. From cost savings to improved key control, the benefits are clear—and often overlooked. At Calder Doors, we’re here to guide you through every step of the process and ensure your property stays secure.

If you’re ready to simplify your keys or take back control of your locks, contact Calder Doors today to schedule your professional rekeying service.

© 2025 Calder Door Service /Designed by:LaunchUX