Ignition Interlock
in Missouri City, Texas

Ride with Smart Start
& get back on the road

  • The leading Ignition Interlock Program in Texas
  • 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.

Get a quick and easy IID installation with Smart Start! Get started today!

¡Obtenga una instalación rápida y fácil de IID con Smart Start! ¡Empieza hoy mismo!

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Ignition Interlock in Texas is More Than a Device. It's a Program.

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

However, you’ll be getting more than just an Ignition Interlock Device. We’ll be with you right from the beginning with the services and support you need. The cheapest Ignition Interlock program in Missouri City, Texas, includes 24/7/365 Customer Care that makes your Ignition Interlock program as easy as possible.

Schedule an installation appointment now in Missouri City, Texas, or at any of our Texas service centers.

Ignition Interlock Locations in Texas

We’re ready to help. Find a qualified Smart Start service center to install your Ignition Interlock near you:

  • 1112 Wood St
    Houston, TX 77002

    Schedule your installation here

  • 609 Houston Ave
    Ste B
    Houston, TX 77007

    Installation & Service Appointments

  • 5244 Elm St
    Houston, TX 77081

    Installation & Service Appointments

  • 6060 S Loop E
    Ste 110
    Houston, TX 77033

    Schedule your installation here

  • 609 Houston Ave
    Ste A
    Houston, TX 77007

    Schedule your installation here

  • 11811 East Fwy
    Houston, TX 77029

    Schedule your installation here

  • 6638 Ledbetter St
    Houston, TX 77087

    Installation & Service Appointments

  • 6611 Bissonnet St
    #115
    Houston, TX 77074

    Installation & Service Appointments

  • 6608 HWY 6 N
    Ste B
    Houston, TX 77084

    Schedule your installation here

  • 8104 Southwest FWY
    Houston, TX 77074

    Schedule your installation here

  • 4509 Cherry St
    Pearland, TX 77581

    Installation & Service Appointments

  • 6630 Bailey Rd
    Pearland, TX 77584

    Installation & Service Appointments

  • 6741 Satsuma Dr.
    #A
    Houston, TX 77041

    Installation & Service Appointments

  • 7909 Hillcroft St
    Houston, TX 77081

    Schedule your installation here

  • 1620A Gessner Rd
    Houston, TX 77080

    Schedule your installation here

  • 2323 Blodgett St
    Houston, TX 77004

    Installation & Service Appointments

  • 4150 Bluebonnet Dr
    Suite 108
    Stafford, TX 77477

    Installation & Service Appointments

Choose Smart Start Ignition Interlock in Missouri City, Texas

No equipment to buy. No hidden charges. No long-term contracts.

We offer the best Ignition Interlock Devices at the lowest price. You’ll know the cost from beginning to end, with no high pressure or double-talk.


Fast, convenient installation. Get an appointment that fits your schedule.

We’ll find a service center near you, often with a same-day appointment. Our specially trained technicians are committed to customized, quality installation.


Old, new, gas, electric, high performance, or low profile. We install on all.

Whether you’ve got an older vehicle or the latest electric model, there’s nothing our technicians can’t handle. Our car breathalyzers are the perfect fit for whatever you drive.


Small, discreet, easy to use. Ignition Interlock shouldn’t be difficult.

Our attractive, handheld car breathalyzer is about the size of a cellphone, with an intuitive keypad and display. You’ll get hands-on training to make sure that it’s easy to blow and go.


Quick calibration. Easy service. More drive-through locations than anyone.

Texas will require your Ignition Interlock Device to be serviced and calibrated on a regular basis. Our calibration appointments usually take about 15 minutes at any location that’s handy for you.


Flexible payment options. Easy autopay. Take advantage of our Client Portal.

Everyone’s budget is different. That’s why we offer weekly, monthly, or bi-monthly payments, plus an autopay option. Set it up through our Client Portal app (or go online).


You’ve got questions. We’ve got answers. 24/7/365 multilingual Customer Care.

There’s always somebody who can help when you have a question about your car breathalyzer, your account, monitoring laws, or anything else with your Ignition Interlock in Missouri City, Texas.

Excellent TrustScore of 4.7 out of 5