Smart Start Ignition Interlock
Shipman Communications1815 W Morton St
Denison, TX 75020
#1 Ignition Interlock from $1.99/day*. Same-day installation available
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!
"* (required)" indicates required fields
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 COSTS3,000+ Locations - Same Day Install
Quick installs by skilled technicians at convenient U.S. locations.
FIND A LOCATIONDiscreet, Easy-to-Use Devices
Reliable, hygienic devices with guided tests and easy English-Spanish switching.
SMART START DEVICES24/7 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 Shipman Communications in Denison
If you need to install an Interlock in Grayson County, look to Smart Start! Our Interlock is small and handheld, providing discreet and efficient testing. With more than 25 years’ experience in the alcohol monitoring industry, we not only meet state and federal standards ... we exceed them!
Shipman Communications is located off W. Morton inside the blue building.
Schedule your Interlock install appointment at (903) 361-4033. You can also fill out our online form in minutes to create an appointment. Look for other convenient Smart Start locations in Denison, Bonham, Sherman, Whitesboro, or throughout Texas.
Frequently Asked Questions
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.
Texas mandate dictates that you will need to service your Ignition Interlock Device (IID) once every 30-67 days as determined by your jurisdiction.
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.
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.
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.
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
Hi-Tek Car Audio
1600 Baker Rd
Sherman, TX 75090
CLOSED – Opens at 10:00am Tu
Services at this Location:
Installations, Calibrations
Shipman Communications Inc
4530 W Main St
Durant, OK 74701
CLOSED – Opens at 9:00am Mo
Services at this Location:
Installations, Calibrations
Krazy Ace Performance
108 West Walcott St
Pilot Point, TX 76258
CLOSED – Opens at 8:00am Mo
Services at this Location:
Sign Up, Manage Account, Informational Videos
See What Everyone Says About Our Ignition Interlock
Excellent TrustScore Rating
December 6, 2025
"Customer Service was excellent
She was patient with me and made the experience very easy."
Victoria C.
United States
December 6, 2025
"Muy bien servicio."
Luis M.
United States
December 6, 2025
"Was very professional and friendly!!"
Teresa.
United States








