Security Door Locks

Looking to get the Best Locks for Home Security, offering safety to your family and belongings? Our 24 Hour Security Door Lock Services are perfect.

24 Hour Security Door Lock Services In Missouri

Our Locksmiths are Experts at High-Security Door Locks, which enables us to fix your door lock issue, getting you back to your home and life. Plus, even for Emergency Calls, we keep our charges low, offering a high-value service!
Best Security Door Locks For Home Safety- Master Locksmith

“Arrived in 1\2 hour when front door wouldn't lock. Quickly fixed the fault. Lovely man and great price. Thank you!”

Why Use Master Locksmith For Your Home Lock And Security Services In Missouri? 

  • We Are A Trusted Google Guaranteed Locksmith Company
  • Same-Day, Fast Residential Locksmith Services
  • Customer Service Representatives Answer Your Call
  • Use Only Trusted Brands For Locks – Hardware – Parts
  • Best Locksmith Service Ethics- On-site Estimates & Receipts
  • Our Employees Are Pleasant, Professional, Licensed (#LC001556113), And Insured
24 Hour Locksmith Services-Master Locksmith (314) 400-7054

24/7/365 Emergency Residential Locksmith Services

Emergencies can happen when we least expect it. Whether you're locked out of your house or need a new set of keys for your sliding glass doors, our Expert Home Locksmiths have you covered.

Licensed & Insured - Master Locksmith

Licensed-Bonded-Insured Residential Locksmith Services

- House Lockout
- House Re-key
- Biometric Lock
- Keyless entry systems
- Emergency Home Lockout Service
- House Lock Installation
- Home Lock Repair
- Broken Lock repair
- Lock Replacement
- Deadbolt Service
- Broken Key Extraction
- Electronic Smart Lock
- Keyless Entry
-Bump-Proof Locks

Free On-Site Estimates - Master Locksmith

Free On-Site Estimates

You're already worried about the security of your home door locks. We aim to make your day easier so, feel free to contact us and get a free On-site estimate. Click Above Image To Call And Schedule Your On-Site Estimate (314) 400-7054

Contact Us- We Have High Security Door Lock Services In Your Area

Our Locksmiths Can Help 24 Hours In These Areas Of Missouri

St. Louis County, St. Charles County, South County MO, Downtown Stl, University City, Central West End, Chesterfield, Ballwin, Webster Groves, Overland, Brentwood, Creve Coeur, Des Peres, Ladue, Clayton, Mehlville, Arnold, Fenton, Oakville, Downtown St. Louis, Ellisville, Bridgeton Hazelwood, Jennings, Ferguson, Maplewood, Crestwood, Kirkwood, Berkeley, St. Ann, St. Peters, Wentzville, Cottleville, Dardenne Prairie, Weldon Spring, Earth City, Lake St. Louis, O’ Fallon.

Better Business Bureau St. Louis Locksmith- Master Locksmith (1)
Top St. Louis Locksmith- Master Locksmith
Best St. Louis Locksmith- Master Locksmith
Home Security Specialists- Master Locksmith

Home Security Specialists- Master Locksmith

  If you require Residential Security Services due to a break-in, a rough breakup or divorce, or you are just concerned about your door locks not be sufficient to keep your family safe , contact Master Locksmith of Missouri. Our team of professionals is available to assist homeowners and business owners at any time of day or night, including weekends and holidays. We offer our 24 Hour High-Security Door Lock Services to a wide service area including: St. Louis and St. Charles Counties, South St. Louis City, and South County STL.

The Fastest On-Site Arrival Time For Any Locksmith Company In Missouri

We provide 24/7 Emergency Residential Locksmith Services throughout St. Louis County, St. Charles County, and the neighboring areas 24 hours a day, 7 days a week. So, whether you need our services throughout the day, at night, on the weekend, or on a holiday, we can help. We get our Locksmiths On-site in under 30 minutes in most cases!! We’ll get you into your House, Home, Condo, Apartment, or Duplex- FAST!!

Expertise- Top Locksmith In St. Louis MO

Master Locksmith was voted “Best Locksmith In St. Louis” by a third-party review site- Expertise.

"What is the highest security door lock"?

Best High Security Deadbolt Locks
  • Medeco Maxum. This Medeco high security deadbolt is the highest rated residential deadbolt. …
  • Mul-T-Lock MT5+ Hercular. Mul-T-Lock’s newest deadbolt includes their multi-patented MT5+ mechanical key platform. …
  • Abloy Protec2. …
  • Mul-T-Lock Cronus. …
  • Schlage B660P. …
  • Kwikset 980.


What Are High Security Door Locks- Master Locksmith

What Are High Security Locks?

  Home and business owners that have a property in a high-crime area or simply want an extra layer of security to feel more protected can benefit from High-Security Locks. These are locks and keys with a higher level of key control and a more secure and complicated lock cylinder inside, making them more difficult to pick for criminals.

 The manufacturer tests and rates High-Quality Locks that give greater security, and while they may appear identical from the outside, an experienced eye can spot the upgraded security features.

 The only way to be sure you’re getting a High-Security Lock is to have it installed by a Professional Locksmith Company like Master Locksmith. We can assist you in selecting the right Lock, installing and testing the Lock Assembly, and ensuring it works properly before you leave.


Voted “Best Locksmith Business Of 2021” 

"What the best security lock for a front door?"

Best door locks
  • Medeco Maxum. : Best for security.
  • Schlage B60N626. : Easiest installation.
  • Wright Products Serenade Mortise Set. : Best for storm doors.
  • Kwikset 980 with SmartKey. : Budget pick.
  • Defender Security Door Reinforcement Lock. : Keyless pick.
Installations Of Security Door Locks- Master Locksmith

Installations Of High Security Locks

 Most people place a high priority on keeping their home or business safe and secure. Most people learn to close doors behind them early in life. However, not all locks are made equal. Similarly, not all criminals are created equal. Some people are more determined than others. You never know when a persistent intruder would try to break in, necessitating the need for a High-Security Lock.

 Master Locksmith stands always ready to assist you in the Installation of High Security Door Locks at your Home or Business. Call us anytime, as we have Mobile Locksmiths working 24/7 in your area

What Is A Door Lock With High Security- Master Locksmith

What is a lock with high security?

  High-Security Locks are meant to defend against both internal and external criminals and are more secure than regular locks. When a facility is deemed high-risk, they are more inclined to seek a High-Security Lock System.

  Locks, Deadbolts, and Access Control Systems are examples of such a system. Because these systems are more difficult to break into, they are also more expensive and have higher entry resistance standards, also being manufactured with stronger metals and components. 

Licensed Insured Professional Locksmith

"Are High Security Locks Worth It"?

With residential, if you are worried about a break in, but have nothing special of value in the house, the answer is going to be High security locks are not worth it for you. The reason is that with residential properties, locks are one of the statistically lowest probability compromised element in break-ins and theft.

"Is a keypad door lock safe?"

Electronic door locks are safe, but only as much as, if not lesser than, normal, non-electronic, keyed locks. … Furthermore, almost all of the locks that use fingerprints, Wi-Fi or Bluetooth tend to cease functioning in the event of a power outage, in which case a person has to use a backup key to unlock their door.
Are There Advantages To A Security Door Lock- Master Locksmith

Are There Advantages To A High Security Lock?

The following are some of the most important advantages of a High-Security Lock:

Resistance to Drilling

A drill may be used to open a Normal Lock, and while a casual burglar may not bother bringing one, a serious criminal will. Hardened steel ball bearings and drill plates guard against drilling in a High-Security Lock.

More substantial hardware

While some Basic Locks are filled with polymers and even hollow in spots, solid metals are utilized to make the lockless likely to be broken.

Keyways with Patents

With most locks, anyone who gets their hands on a copy of the key can make a copy at a nearby hardware store. Patented keyways are used in High-Security Locks, and they can only be replicated in a few places.

More powerful bolts

Bolted Locks can’t be broken with regular tools or brute strength because they’re made of heavier metals.

"Are coded locks safer than keyed locks?"

Since they don’t contain dials, keyed locks offer a superior level of security when compared to combination locks. Unless a thief has the key, he or she won’t be able to open it. Furthermore, keyed locks are better protected against shimming than combination locks.

24 Hour Mobile Residential Locksmiths -Master Locksmith (314) 400-7054 (1)

Are Master Locksmith's Lockout Services Available 24 Hours A Day- 7 Days Per Week?

You’ve been at work all day, picked up the kids and are at home, but the door won’t open- the key just broke off in your hand!. You can’t believe this is happening and kids are fighting but you’re still unable to enter the house because the key broke off in your Deadbolt Lock in your front door. If you find yourself in this dire situation, give us a call, and we’ll be there as soon as possible (ASAP). We can open the door quicker than any other Locksmith in town. All you have to do now is sit in your car or go to the neighbors house and let our Lockout Pros go to work on opening your house’s door lock

  Do you have hours of operation on weekends and holidays?

Getting an Emergency Call on a weekend or a holiday, from a home owner for a Lockout is not a problem for us. We can help you with a Lockout on a Saturday, Sunday, Christmas, July 4th, or Easter. Even in the dead of night on a holiday weekend, we always have someone on call and ready to immediately help you. We are usually on-site in under 30 minutes. 

What should I do if I’m locked out of my home and I’m waiting on a Locksmith to show up?   

If you’re locked out, the first thing you should do is find a safe place to wait. It might be your vehicle or a local establishment. Then give us a call. We’ll arrive in a service vehicle that’s marked, so you’ll know who we are. Our professionals will complete the work fast so that you can enter your home or condo safely.

  When you need a Residential Lockout Service, don’t hesitate to contact us. We can be reached at any time-24/7/365. Click here to call us!!

What makes a good Locksmith?

A good locksmith must possess massive reserves of patience to overcome the pressures the job presents. These pressures are not only from locks or from the difficulty that some locksmith services present, sometimes they need a lot of patience to deal with the customers that engage the use of their services.


Emergencies can happen when we least expect it. Whether you’re locked out of your house, home, condo, apartment, duplex, or you have just lost your front door keys, our Expert Emergency Locksmiths are here for you. Call us anytime!

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