Smart Start Ignition Interlock
Smart Start of Silverthorne122 W 10th St
Unit B
Silverthorne, CO 80498
#1 Ignition Interlock from $1.99/day*. Same-day installation available
Services at this Location:
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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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 Smart Start of Silverthorne in Silverthorne
Why is Smart Start Silverthorne the cheapest? We won’t surprise you with hidden fees or monthly contracts. We put our customers first, and will provide the best care to you and your vehicle. Plus, our Customer Care Center is open 24/7/365, including weekends and holidays – we look forward to serving you.
Custom Audio and Design, located off 122 West 10th Street in the Silverthorne, Colorado, area, has been a Smart Start provider for more than 10 years. The technicians at Custom Audio and Design are friendly, helpful, and knowledgeable. They will assist you from start to finish with your Smart Start Ignition Interlock program. Come visit us for all your Ignition Interlock needs in Silverthorne! We are located at Custom Audio Design off Blue River Parkway.
Call and schedule your Smart Start Interlock appointment at (800) 831-3299, or feel free to fill out our quick and easy online form.
You can also find more Smart Start locations in the Silverthorne, Avon, Breckenridge, Copper Mountain, Keystone, and Vail areas.
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.
Once you have scheduled your Ignition Interlock Device (IID) installation with Smart Start, you will need to bring a photo identification (ID) and your vehicle registration. It may also be helpful to bring any documents that have been provided to you by the Colorado Division of Motor Vehicles.
You may service your Smart Start Ignition Interlock Device at any Smart Start service center in Colorado. In most cases, you may also service your IID at a Smart Start service center in another state if needed. However, we strongly suggest checking with your state authority before doing so. Find the nearest Smart Start service center here.
Colorado requires that your Ignition Interlock Device (IID) be serviced every 60 days.
In the state of Colorado, any and all of the following may constitute a violation:
- A skipped rolling retest
- Tampering with the Ignition Interlock Device in any way
- Any breath sample that registers a BrAC above .025 percent
Learn more about Ignition Interlock Device violations.
In Colorado, 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.
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








