Lock Replacement

Lock Replacement Service

➔DIFFERENT TYPES OF LOCK AVAILABLE
➔PROVIDE SERVICE 24 HOURS A DAY
➔BEST DOOR LOCK BRANDS
➔MOBILE EQUIPMENT VAN

Is it time to replace the locks in your home or business?
Having problems with your lock lately?
Or would you just like to enhance the security of your home or business? 

Professional locksmiths will be able to Quote you the exact price of getting the Locks Changed of your home.



Efficient and Affordable Lock Replacement
AAA Lock & Key Locksmith is one of the leading locksmith, lock replacement and lock installation companies located in Missouri. We’ve helped hundreds of happy customers out in emergencies, and we’ve installed, repaired and replaced plenty of locks to the highest standards – and when you hire us, you know you have the guarantee of a job well done.

See this page for more information about the lock replacement services we offer and why you should hire us for any home, auto or commercial lock replacement or repair.

If you need any of our other services, browse around on our website for related locksmith services to find the one you need or just get in touch with our team of expert locksmiths.


AAA Lock & Key Locksmith are the locksmith experts of Missouri, and we serve the entire Missouri area and surrounds. If you aren’t sure whether we’ve got your area covered, just get in touch with our expert locksmith team and we’ll help you out or check out our handy coverage map to see if you can find your area.


There are plenty of reasons why you might need a lock replaced. The original key might have been lost or damaged, or the damage might have occurred to the lock itself after an accident, break-in or years of wear. You might also need an urgent door lock replacement if someone subletting your apartment or house has moved out and you need changing locks.

There are many more reasons why you might need this part of our services, and it might not even be covered by the reasons we’ve mentioned above. Yes, we’ve even dealt with a few unusual lockout situations – and even if that describes your situation instead, it’s still likely that we can help.

Whatever the case might be, we’re the right team for your needs – and we’re available for your locksmith needs 24/7.


Our lock replacement services includes commercial, auto and home-related services so that you can contact us no matter what it is you nee. Here are some of our lock replacement services.

➔Complete door lock replacement
➔Door lock installation or repair
➔Emergency lockout services
➔Key duplication and rekey services
➔High security installation and repair services

If you don’t see the specific service that you need from us on this list, it’s likely that AAA Lock & Key Locksmith still has you covered – just get in touch with the team and we’ll refer you through to one of our expertly trained locksmiths to find out how we can help.


There are many times where changing out locks isn’t the necessary job, and we can still get the job done with just lock repair, or what’s called a rekey and key duplication services: In these cases, we don’t have to do an entire lock replacement, but can still keep the original lock intact while simply making a spare set of keys from the original – or by cutting a new set of keys for the lock entirely.

If you need another locksmith service, see our list of services – or get in touch.

➔100% Of Your Satisfaction
➔Same Day Appointment
➔Best Lock - Parts -Hardware
➔Best Locksmith Service Practices
➔Nice, Professional And Knowledgeable Personel