Smart Start Ignition Interlock

Smart Start of McKinney

403 Powerhouse St
Suite 307
McKinney, TX 75071

#1 Ignition Interlock from $1.99/day

No Long Term Contracts

Same-day installation available

(469) 678-3253

Book your install now

Hours of Operation:

Day	1st Hour Block	2nd Hour Block
Sun	Closed
Mon	Closed
Tue	Closed
Wed	Closed
Thu	Closed
Fri	Closed
Sat	Closed

Services at this Location:

Installations
Calibrations

Book an Installation

With the thousands of locations across the nation, 24/7 customer support, no hidden fees and the most reliable device on the market, Smart Start Ignition Interlock devices are hands-down the best way to get you back on the road fast.

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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Interested in an IID ASAP (within 7 days)

I eventually need an IID (in MORE than 7 days)

I am a current customer and need customer service

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I consent to 1A Smart Start LLC and/or its franchisees' reaching out to me multiple times on an ongoing basis using telephone, text and/or email, including autodialed and prerecorded calls and texts, about our products, services, promotions, and other offers. This consent is not required to purchase goods or services. To opt-out of text messages reply "STOP", and to opt-out of emails click the unsubscribe link in the email. For texts, text "HELP" for help.

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By providing my information and clicking “Book Your Install Now,” I authorize [Insert Legal Name of Franchisee, distributor, or affiliate] to contact me at the phone number above via phone and/or text using multiple and periodic autodialed and prerecorded calls and texts for marketing purposes. Not a condition for purchase. Message and data rates may apply. To opt-out of texts, reply “STOP”.

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Or Call (469) 678-3253 Now!

¡O llame ahora al (469) 678-3253!

Why Choose Smart Start Ignition Interlock?

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

#1 Ignition Interlock Device Provider at Smart Start of McKinney in McKinney

Name: Smart Start Ignition Interlock
Address: 403 Powerhouse St, Suite 307, McKinney, TX, 75071, US
Telephone: (469) 678-3253
Rating: 5

Are you court-ordered to install an Interlock, or ‘breathalyzer,’ in your vehicle in or around Collin County?

You may want to choose the best Interlock on the planet. Period.

Smart Start boasts over 25 years’ experience in the alcohol monitoring industry with efficient, discreet and affordable Interlocks. Our 24/7/365 customer service is also unparalleled in answering your questions and alleviating any concerns you may have during your program.

Smart Start McKinney looks forward to serving you throughout your Interlock program!

Give us a call today to schedule your Interlock appointment at (469) 678-3253. Can’t talk over the phone? Feel free to create an appointment through our online form. Look for other convenient Smart Start locations in McKinney, Frisco, DFW, Plano, or throughout Texas.

(469) 678-3253

Frequently Asked Questions

How much does an Ignition Interlock Device cost in Texas? What are the fees?

The overall cost of an Ignition Interlock Device is a combination of installation fees, monthly service fees, and removal fees. Exact pricing varies by state. To get a quote today, call (800) 831-3299 to speak with a friendly Program Advisor.

How often does my IID need to be serviced in Texas?

Texas mandate dictates that you will need to service your Ignition Interlock Device (IID) once every 30-67 days as determined by your jurisdiction.

What do I need to bring to my installation in McKinney?

Once you have scheduled your Ignition Interlock Device (IID) installation with Smart Start, you will need to bring the following to your IID installation appointment:

Two forms of photo identification
Any and all court paperwork that has been given to you
Proof of residence
Car insurance and vehicle registration

If the vehicle is not yours, you will need to provide a letter of permission from the owner of the vehicle stating that you are allowed to install an Ignition Interlock Device.

How can I pay for calibration?

In Texas, you can pay for your Interlock Device calibration via credit card at the Smart Start service center at the time of calibration or via the online Client Portal.

What constitutes a violation in Texas?

In Texas, any and all of the following may constitute a violation:

Testing at or above the fail level of .030
Skipping or failing a rolling re-test
Missing your scheduled IID service appointment

Learn more about Interlock Device violations.

Where can I go for service? Anywhere, or just within my state?

Texas state law dictates that you can service your Ignition Interlock Device at any Smart Start service center nationwide unless informed otherwise by your State authority. Find the nearest Smart Start service center here.

Nearby Locations

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(469) 595-7090 More Details

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See What Everyone Says About Our Ignition Interlock

Excellent TrustScore Rating

March 4, 2026

"Very helpful alot of information great customer service "

Pritesh P.

United States

March 4, 2026

"While IID installations arent pleasant, Susan went above and beyond to help me out finding and scheduling service. So if anything give her a raise and an extra week PTO. "

AS.

United States

March 4, 2026

"great help during a hard situation"

Cw.

United States

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Find a location near you!

Smart Start of McKinney

Hours of Operation:

Services at this Location:

Book an Installation

Fast-Track Your Installation

Want to speed up the installation appointment process?
We can get you a quote faster if you fill out the information below.

Or Call (469) 678-3253 Now!

¡O llame ahora al (469) 678-3253!

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

3,000+ Locations - Same Day Install

Discreet, Easy-to-Use Devices

24/7 Knowledgeable State Program Experts

#1 Ignition Interlock Device Provider at Smart Start of McKinney in McKinney

Frequently Asked Questions

Nearby Locations

NEW IMAGE AUTOSPORTS

Services at this Location:

Modern Audio Solutions

Services at this Location:

New Image Autosports Window Tint

Services at this Location:

Get Started

Locations

Support

Partners

Contact Us

Find a location near you!

Smart Start of McKinney

Hours of Operation:

Services at this Location:

Book an Installation

Fast-Track Your Installation

Want to speed up the installation appointment process?We can get you a quote faster if you fill out the information below.

Or Call (469) 678-3253 Now!

¡O llame ahora al (469) 678-3253!

Why Choose Smart Start Ignition Interlock?

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

3,000+ Locations - Same Day Install

Discreet, Easy-to-Use Devices

24/7 Knowledgeable State Program Experts

#1 Ignition Interlock Device Provider at Smart Start of McKinney in McKinney

Frequently Asked Questions

Nearby Locations

NEW IMAGE AUTOSPORTS

Services at this Location:

Modern Audio Solutions

Services at this Location:

New Image Autosports Window Tint

Services at this Location:

See What Everyone Says About Our Ignition Interlock

Get Started

Locations

Support

Partners

Contact Us

Want to speed up the installation appointment process?
We can get you a quote faster if you fill out the information below.