Locksmith in San Antonio


LIC. #B11924

Locally Owned & Operated

There are many reasons why you might need a  locksmith in San Antonio, and Alert Lock & Key can help with all of them.

Alert Lock & Key offers a full range of San Antonio locksmith services, from lockouts to rekeying doors. We work with families and businesses to ensure that your home or office is completely secure. The professionals on our team can help you protect your home from criminals or can help you get into your home if you’ve locked yourself out. We can help you rekey after buying a new home so you can be confident that only selected people have access. Our mobile locksmith services can get you back in your vehicle quickly. We can also help you upgrade your security technology with smart locks and alarm systems so that you know that you and your valuables are as safe as possible.

money in unlocked safe


  • Safes
  • Commercial
  • CCTV
  • Master Keying
  • Door Closures
  • ADA Approved Locks
  • Access Control
  • High Security Locks
  • Doors
  • Frames
  • Architectual hardware
  • Full Division 8
  • Installation
  • CCTV
  • Mag Locks
  • Electronic Strikes
  • Electronic Egress
  • Devices
  • Storefront
  • Glass/Herculite Door
  • Locks Rekeyed
  • Window Locks
  • Medeco Hi Security
  • Hardware
  • Electronic Entry
  • Hinges

Commercial & Residential Locksmith Services

Our professional locksmiths provide commercial locksmith services in San Antonio, TX. We’ve worked with a wide range of business, including grocery stores, hospitals, schools, airlines, and government institutions. These companies and organizations rely on Alert Lock & Key to keep their San Antonio businesses safe. For business, we can help install comprehensive locking systems that grant employees access to only the parts of the building that you want them to access. We understand the latest technology and are ready to make it easy for you to manage the security of your business so that you can focus on growth and profit.

Locked out? Our San Antonio locksmiths are available 24/7, which means that if you are locked out of your car or home in the middle of the night, you can call us for help. We’ll be there quickly to help during your possibly difficult situation. We understand that a lockout rarely comes at a convenient time. If it’s 3 am and you need a locksmith, Alert Lock & Key is the right company to call. We’re likely on the road, ready to help, and on the way to you in a snap.

Elevate Your Door Lock Security With Access Control

Protect Your Business And Home

When building a new home or office building, you need more than just a locksmith. You need someone who can ensure that your entire locking system is of high quality. After all, a great lock doesn’t do much good if your door is flimsy. We have a dedicated division of our company that focuses on doors and hardware. In addition to your locks, we’ll help you pick the right doors and hardware, and then install them with care. We’ve helped many families and businesses throughout Texas install doors and complete their construction projects – trust us to do a great job for you as well!

When you hire a locksmith, you want to be sure that you are hiring the best of the best. When we help with lockouts, we take pride in being able to pick most locks without causing lasting damage. In most cases, you’ll be able to continue using your locks as usual after we help with your lockout. If you try to get in yourself, that’s not always the case – you might accidentally cause permanent damage to your lock, which can be much more expensive to fix than simply calling a professional locksmith in the first place would have been.

Trusted and Reliable San Antonio Locksmiths

Alert Lock & Key is proud to be up to date on the latest technology so that we can help you choose smart locks and alarm systems that are right for your lifestyle. There are a wide variety of options on the market, and we’re ready to explain the pros and cons of each. We’ll help you choose your best option, followed by a complete installation that’s done quickly and correctly. You’ll be confident that your house will be completely secure, even if you are on a vacation thousands of miles away.

Alert Lock & Key has been a trusted San Antonio business since 1976. For more than forty years, we’ve taken pride in providing great high-quality locksmith services to the people and businesses of San Antonio. We offer free consultations on larger projects and quick turnarounds on immediate needs like lockouts and broken keys. You can always trust that our locksmiths will do a high-quality job and will keep your building as secure as possible. When you need a locksmith in San Antonio, give us a call.

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