Residential Services

High security locks

Keystone Lock & Safe sells, installs and services Medeco & ASSA high security locks. We are a recognized MSC (Medeco Service Center)

Keyless entry smart locks

We sell & install many brands of electronic or mechanical keyless entry locks. Whether you’re looking to open your new lock remotely or have it notify you when it is used, we offer a wide variety of options.

Decorative Door Hardware & Locksets

We offer a wide selection of decorative door hardware & locksets in many finishes. Whether you have a new door or just looking to upgrade existing hardware, we can come out to you to supply & install new hardware. You can also come visit us in our showroom to speak with a knowledgeable sales person or browse our wide selection. We also install decorative hardware not purchased through our company.

Locks Rekeyed

If you purchased a new home or lost your house keys, we can come out to you to rekey your door hardware so the old keys no longer work. This is a nice inexpensive alternative to installing all new hardware.


Give us a call if you lost or locked your keys in your home. We offer fast emergency service to come out and get you back into the comfort of your home.

For 24-hour Service, call 631-242-4908