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Ignition Interlock Device
in Baltimore, 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 Baltimore: We're Always Here for You

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

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

3,000+ Locations - Same Day Install

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

Find a Location
Discreet, Easy-to-Use Devices

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

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 Baltimore, Maryland

Let’s get started with an Ignition Interlock system installation that fits your schedule, at one of the convenient locations below.

Interlock Device

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

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

We’ll be with you right from the beginning with the services and support you need to keep your driving privilege. The cheapest Ignition Interlock program in Maryland, includes 24/7/365 Customer Care that makes your Ignition Interlock 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 Baltimore, 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 Baltimore, Maryland

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

Yes! Smart Start offers same-day installation appointments at many of our Baltimore-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.

Smart Start offers several convenient installation locations throughout Baltimore 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.

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

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.

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.

Smart Start ignition interlock device

See What Everyone Says About Our Ignition Interlock

Excellent TrustScore Rating
#1 Customer Rated 4.7 out of 5
February 25, 2026
"My experience with Smart Start Inc was great. I had the pleasure of speaking with Marissa, which she was exceptionally helpful with showing me the robes around for my first time, hopefully last time with this kind of service lol. She has a great personality and made things painless and straight forward. When we're all aligned it feels good. Thank You Marissa and Smart Start Inc."
Devante B.
United States
February 25, 2026
"geat customer service "
MARINO G.
United States
February 25, 2026
"Thanks to Rashina, she was able to make this easy uncomplicated and fast…. Much respect to her…. Thanks again!"
Victor R.
United States
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