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Ignition Interlock Device
in Frederick, MD

Ride with Smart Start
& get back on the road

The leading Ignition Interlock Program in Maryland
Low-price, with no hidden fees
Fast installation with same-day available
24/7/365 Multilingual Customer Care

It only takes a moment to get your personalized quote.

Call Now! (800) 831-3299

Ignition Interlock in Frederick: We're Always Here for You

From $1.99/Day* - No Long-Term Contracts

Bi-weekly payment options designed to fit your budget.

Ignition interlock Costs

3,000+ Locations - Same Day Install

Quick installs by skilled technicians at convenient U.S. locations.

Find a Location

Discreet, Easy-to-Use Devices

Reliable, hygienic devices with guided tests and easy English-Spanish switching.

Smart Start devices

24/7 Knowledgeable State Program Experts

Multilingual support trusted by over 1 million people, ready when you need us.

Talk to a program advisor

Ignition Interlock Locations in Frederick, Maryland

Let’s get started with an installation that fits your schedule to comply with Interlock law at one of the convenient locations below.

South Mountain Collision and Auto Center

2 Walnut St
Middletown, MD 21769

CLOSED – Opens at 8:00am

View Store Information Schedule An Install
(844) 647-0465 Get Directions
Golden Tag and Title

13238 Executive Park Ter
Germantown, MD 20874

CLOSED – Opens at 9:00am

View Store Information Schedule An Install
(240) 317-6188 Get Directions
Rose Hill Service Center

1561 Opossumtown Pike
Frederick, MD 21702

CLOSED – Opens at 8:00am

View Store Information Schedule An Install
(301) 712-9358 Get Directions

Ignition Interlock in Frederick: We're Always Here for You

If you’re searching for a car breathalyzer after a DUI conviction or DWI, we offer the best Ignition Interlock Device. We will help you avoid a driver license suspension and successfully complete your car breathalyzer requirement with support from caring, compassionate specialists who understand everything you need to know about Ignition Interlock in Maryland.

We’ll be with you right from the beginning with the services and support you need to keep your driving privilege and ensure traffic safety. This Ignition Interlock program includes 24/7/365 Customer Care that makes your experience as easy as possible.

Trust Smart Start and schedule an installation appointment now at any of our service centers.

(800) 831-3299

The Most Discreet Ignition Interlock Devices in Frederick, Maryland

Smart Start’s car breathalyzers were designed to be court compliant while keeping the user’s needs in mind. We understand the desire for privacy during this difficult time, so our Ignition Interlock Device is small and discreet.

The black exterior allows you to conceal it easily in your motor vehicle, but size doesn’t dictate function! Our Ignition Interlock Device can read your alcohol-free test in less than one second, so you can get back on the road quickly.

The Best Customer Care

When you choose the cheapest Ignition Interlock Device, you’re choosing the 24/7 bilingual support of our Customer Care Center and the expertise of our local technician teams. Call (800) 831-3299 or complete the form at the top of this page to enlist Smart Start as your program partner. We’ll put the wheel back in your hands.

(800) 831-3299

Questions about Ignition Interlock Devices in Frederick, Maryland

How do I get my IID calibrated in Frederick?

Calibration is required regularly to ensure your IID is working properly. In Frederick, we offer convenient service appointments to calibrate your device. The frequency of calibration is defined by Maryland regulations. Generally, every 30-90 days.

Can I get same-day Interlock Device installation in Frederick?

Yes! Smart Start offers same-day installation appointments at many of our Frederick-area locations, subject to availability. We understand the urgency of meeting program deadlines, so we work to accommodate your schedule and get you back on the road as quickly as possible.

Where can I get an Ignition Interlock Device installed in Frederick, Maryland?

Smart Start offers several convenient installation locations throughout Frederick and the surrounding areas. Our local service centers are staffed by experienced technicians who provide fast, professional installations. To find a location near you, visit our location finder or call our 24/7 Customer Care team for assistance.

How much does an Ignition Interlock Device cost in Frederick?

Smart Start offers affordable Ignition Interlock solutions in Frederick. See our Interlock Device cost guide for Maryland to learn more.

How does an Ignition Interlock Device work?

An Ignition Interlock Device (IID) prevents a vehicle from starting if it detects alcohol on the driver’s breath. The driver blows into the device, and if their breath alcohol content is below the programmed limit, the car will start. You’ll also have to complete periodic retests after starting your vehicle to ensure continued compliance. Learn more about how IIDs work with our complete guide.

What are Maryland’s IID laws?

In Maryland, an Ignition Interlock Device (IID) may be required after a DUI. See our complete guide for information on IID laws and more in Maryland.

See What Everyone Says About Our Ignition Interlock

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February 3, 2026

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February 3, 2026

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February 3, 2026

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