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Intoxalock Ignition Interlock

4.4
(9 reviews)

Business Details

427 E Diamond Ave, Gaithersburg, MD
20877, United States
(240) 329-2118
https://www.intoxalock.com/locations/md/gaithersburg/427-e-diamond-ave-5971

About

Car Inspection StationIntoxalock
Intoxalock is the no. 1 ignition interlock device brand in the U.S., and Intoxalock Ignition Interlock in Gaithersburg, MD is here to help you get back on the road after a DUI. Intoxalock has more locations than any other provider, and we can find an interlock installation location near you. We will help you understand MD interlock, or IID, laws and regulations. Our interlock installation locations are staffed with certified professionals who will install and service your car breathalyzers. For 30 years, Intoxalock has been a trusted interlock ignition device provider. Call now to talk to a MD expert.

Details

  • Credit cardAvailable
  • DebitAvailable
  • Onsite servicesAvailable

Location

Intoxalock Ignition Interlock
427 E Diamond Ave, Gaithersburg, MD
20877, United States

Hours

Monday8:00 AM - 6:00 PM
Tuesday8:00 AM - 6:00 PM
Wednesday8:00 AM - 6:00 PM
Thursday8:00 AM - 6:00 PM
Friday8:00 AM - 6:00 PM
SaturdayClosed
SundayClosed

Reviews

4.4
9 reviews
5 stars
7
4 stars
1
3 stars
0
2 stars
0
1 star
1
  • CS
    Carlos Sierra
    Mar 8, 2026
    4.0
    Initial issue, but good customer service in the end. There was a misunderstanding about some fees at the beginning that should have been explained more clearly. After I raised the issue, Intoxalock reached out and resolved the issues. I appreciate them making it right and hope they continue improving how fees are explained to customers upfront.
  • BG
    brian gstalder
    May 21, 2025
    5.0
    They did a great job with installation and explaining how it works.
  • BB
    Brandon Barros
    Apr 16, 2025
    5.0
    So far so good i was late to appointment 15 mins after shop closed cause my tow was late and they still serviced me after instead of having me leave my car and pick it up next day highly recommend went here years ago when had nail in my tire 2021 and i remember they helped me on the spot for a small charge good shop
  • KG
    karen gonzalez
    May 13, 2024
    5.0
    Answered all my questions.

Frequently Asked Questions About Intoxalock Ignition Interlock

How does an interlock device work?

An ignition interlock device (IID) is a small breathalyzer installed in your vehicle to prevent it from starting if alcohol is detected on your breath. Before driving, you'll blow into the device. If your breath alcohol concentration (BrAC) is below the programmed limit, the car starts. Periodic retests occur during your trip to ensure continued compliance. To read more on Intoxalock, you can read our ignition interlock device guide.

What is the cost of an ignition interlock device?

The installation of an ignition interlock device, often called a car breathalyzer, typically costs between $70 and $150. This one-time fee is paid at the start of your lease and covers the service center's labor to install the device in your vehicle. Payment is made directly to the service center at the time of installation. For more on cost breakdowns, you can read our cost of ignition interlock device guide.

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