How to Change Locks on a House: Homeowner’s Guide
Home security starts at the front door. Changing locks on your house is essential for protecting your property, especially after moving in, losing keys, or a security breach. Whether you choose to replace or rekey, knowing the process and best practices will ensure your home stays secure. This guide covers everything from tools to costs, plus tips from professional locksmiths.
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Why You Should Change Locks on a House
After Moving into a New Home
When you buy a property, there’s no way to know who still has a key. Changing house locks after buying a home prevents unauthorized access and ensures you’re the only one with working keys.
Lost, Stolen, or Unreturned Keys
If your keys go missing or a former tenant fails to return them, lock replacement is the safest choice. It eliminates the risk of strangers entering your home.
After a Break-In or Attempted Burglary
Following a burglary attempt, new locks for your house offer peace of mind and discourage repeat incidents. Upgrading to high-security locks can further improve safety.
Upgrading to Better Security Systems
Modern smart locks and deadbolt lock replacements add convenience and protection. These upgrades allow keyless entry, remote monitoring, and integration with home alarm systems.
Lock Replacement vs. Rekeying — Which Is Best?
What Is Lock Rekeying?
Rekeying house locks involves changing the internal pins so old keys no longer work. It’s cheaper than full replacement and is ideal when locks are in good shape.
When to Rekey Instead of Replace
If you like your existing hardware but want to restrict access from old keys, lock rekeying is a budget-friendly choice.
When to Replace the Lock Entirely
Choose lock replacement if your locks are damaged, outdated, or you want a style upgrade. This is also best when switching to smart lock installation.
How to Change Locks on a House (Step-by-Step)
Tools and Materials Needed
You’ll need a screwdriver, measuring tape, new locks, safety gloves, and a drill if adjustments are required.
Removing the Old Lock
Unscrew the hardware, remove the lock from the door, and clean the area before installing the new system.
Installing the New Lock
Align the latch, secure the screws, and ensure the mechanism works smoothly before final tightening.
Testing and Securing
Check the lock multiple times to verify alignment. Test with all keys provided.
Choosing the Right Lock for Your Home
Deadbolt Locks
A single-cylinder deadbolt uses a key on one side and a thumb turn on the other. Double-cylinder deadbolts require keys on both sides, offering more security.
Smart Locks
Keyless smart locks allow code entry and smartphone control, making them ideal for busy households.
High-Security Locks
Pick-resistant and drill-resistant high-security locks are perfect for homeowners seeking maximum protection.
Best Door Lock Brands
Reliable brands include Schlage, Kwikset, and Yale, all offering durable and stylish options.
Hiring a Professional Locksmith vs. DIY
Benefits of a Locksmith
A professional locksmith ensures proper installation, offers security advice, and often provides a service warranty.
When DIY Is Suitable
Simple door lock replacements are manageable for handy homeowners. However, complex installations may require expert help.
Costs Involved
Expect to pay $80–$200 for a locksmith, plus the price of locks. Rekeying house locks can cost as little as $20–$50 per lock.
Home Security Tips After Changing Locks
Install Additional Security Features
Add reinforced strike plates, door viewers, and security chains for extra protection.
Regular Maintenance of Locks
Lubricate your locks every six months and check for wear and tear to avoid costly repairs.
Consider a Whole-Home Security Upgrade
Pair your new locks with security cameras, motion lights, and monitored alarm systems.
Conclusion
Changing locks on a house is a small step with a big impact on your safety. Whether you choose lock rekeying or a full lock replacement, the goal is to protect your home and family. Invest in high-quality locks, consider professional locksmith services, and maintain your security system regularly to enjoy peace of mind.
FAQs
Is it cheaper to rekey or replace locks on a house?
Rekeying house locks is usually cheaper than replacing them because you keep the same hardware and only change the internal key mechanism. Lock replacement costs more but allows you to upgrade security and style.
Can I change my house locks myself?
Yes, you can change locks on a house yourself with basic tools and new lock hardware. However, for high-security locks or smart lock installation, hiring a professional locksmith ensures proper fitting and maximum protection.
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