Welcome to Flag Interlock!
We are your source for locating a reliable, authorized ignition interlock device installation center in your immediate area.
Whether you are seeking an ignition interlock device on your own accord or you have been ordered by a court of law to install one in your vehicle, Flag Interlock is your best alternative.
We will match all local competitors pricing and fee structures!
This includes FREE installation and monthly charges. Yet, we will still provide our superior level of service, knowledge and experience. And of course we only install L interlock units, THE most installed interlock device in Arizona and the U.S.A
Since you never expected to shop for an interlock device, we want to help make your installation and compliance as convenient as possible with the absolute best value.
Here at Flag Interlock we have been authorized by the State of Arizona since 2001.
AL ignition interlock devices are installed and backed by dedicated, interlock-specialists.