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Interlock Device Cost & Pricing

Costs of the program vary depending on your state, concession status and vehicle. For most customers, the greatest cost will be on the day of an interlock install. At Smart Start we have installs starting at $130*  for a concession participant driving a standard car. On the day of your installation you'll also pay one month's lease in advance, along with any state government fees. Our monthly lease and device maintenance fees start at $106* for concession participants. That's about $3.50 a day: the price of a small coffee.

Let's break down the different costs that may be associated with your interlock program.

One-off costs:

These are pay once and strike off the list, such as device installation and interlock removal of the device.

Monthly costs:

These include your monthly interlock service fee and state fees that we may collect on behalf of your governing body.


This includes costs for extra or unscheduled interlock services, and remote unlocking of your device. Most drivers will not need these services.

Concession Discounts:

We offer discounts to customers with valid concession entitlements. Make sure to present your concession card at the start of every interlock device service you attend.

Request a quote

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*For local state pricing please download your State User Guide here