Residential Lock Installation

Let A1 Lock & Key Specialty enhance your home security. Our expert locksmiths keep your home protected with complete locksmith services including key, lock and safe access, installation and repair.

Residential lockout

When you're locked out of your home, our licensed technicians respond quickly to get you back inside in no time. We can provide you with single-entry access or, if security is a concern, we will re-key your home, repair existing locks or provide new lock installation.

Lock system installation

If it's time for a security upgrade, call the licensed professionals to install your new system. Get increased protection for your home against intruders with the latest systems.

Keyless lock installation

Ask about keyless locks and auto lock systems for security and convenience.
Hands repairing a door lock — residential locks in Crystal Lake, IL


Sometimes, especially after a move, it is prudent to change the locks on your home to ensure your complete control over who has access. We provide key and lock changes or upgrades depending on your needs.

Deadbolt installation

We install locks and deadbolts to provide you with the level of security you need for your peace of mind.