Low Cost Interlock: states, price and reviews
The map shades 31 of 50 states; tap any of them to see that state's rules and the other companies serving it.
This booking line is ours, not Low Cost Interlock's. Bookings with us go to Low Cost Interlock, or to another installer when none of its centers is close by. Learn about us
Low Cost Interlock at a glance
- States that have install locations
- 31 of the 50 states
- Advertised price nationwide
- From $78.76 monthly
- Calibration appointment
- $25 per visit
- Installation
- Between $100 and $250
- Trustpilot
- 2.9 of 5 4,064 reviews
Sources: the location list and price page on Low Cost Interlock's site, its Trustpilot reviews, and MADD, used for typical install prices elsewhere.
What reviewers say about Low Cost Interlock
Trustpilot's summary of recent reviews mentions device problems, surprise fees, drained batteries and long hold times.
Living with a Low Cost Interlock device
- Calibration visits and what they add to the price
- Retests while you're driving, and what happens if a test fails: failed tests and violations
- When you can get the device out, and how that works: getting it removed
More fees and offers
- Leases run from $78.76 a month. Signing up costs $40, removal costs $129.50 and the install runs $100 to $250 (pricing page).
- Signing up costs $40, and each calibration visit is $25 (source)
- Getting the device removed costs $129.50, and if you're locked out, the code to regain access is $125 (source)
- A late payment costs $25, while shifting the device or the account to another vehicle costs $150 (see the source).

From booking to removal with Low Cost Interlock
- Book the install: call 888-528-2919 or leave your number, and Low Cost Interlock or another installer in your state sets a day.
- The install happens at a service center. Cost: $100 to $250. The handset is wired into your ignition before you go.
- Calibration visits follow the schedule your state sets. Each one is $25.
- How removal works: your device comes off once your state clears you.
How does Low Cost Interlock compare with other providers?
Across the nation: all 9 companies. The state picker at the top filters the list down to companies that install in your chosen state.
| Company | Installation | Listed price | 12-month total | States | Trustpilot |
|---|---|---|---|---|---|
| $100 to $250, plus $40 set-up | From $78.76 a month | $1,085.12 to $1,235.12Includes the $40 sign-up fee | 31 | ||
| From $150 | From $59.99 a month | From $869.88 | 48 + DC | ||
| Set by each service center | From $54.99 a month | $729.88 to $809.88 * | 48 | ||
| $70 to $150 | $50 to $120 a month | $670 to $1,590 | 47 | ||
| Quoted by phone | Quoted by phone | Quoted by phone | 32 + DC | ||
| $70 to $170 | $50 to $120 a month | $670 to $1,610 | 31 | ||
| Quoted by phone | Quoted by phone | Quoted by phone | 29 | ||
| $70 to $150 | $60 to $90 a month | $790 to $1,230 | 24 | ||
| $0, free install | Quoted by phone | Quoted by phone | 1North Carolina |
The 12-month column totals the listed lease for a year, the price to install and any set-up fee. With no install price posted, MADD's typical range fills it in (marked *). If there's no price at all, that cell notes it "Quoted by phone" means the company will give you its price during the call For general guidance, MADD's estimate runs $60 to $80 each month and $70 to $150 to install. That comes to roughly $790 to $1,110 over 12 months ($720 to $960 with free installation)

States where Low Cost Interlock installs
On the map, 31 of the 50 states get shading. Tap one for that state's rules and the other companies working there.
- Low Cost Interlock installs in these states
- No installation site
