Tewksbury, MA ignition interlock: 2 certified installers
2 in town, 28 more within reach of Tewksbury
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2 certified centers in Tewksbury, run by 2 providers. Addresses below — call ahead, most centers fit devices by appointment.
Certified installation centers in Tewksbury
Sorted by how far they are from the center of Tewksbury. Where two providers work out of the same garage, we list the garage once with both names, and we include nearby towns when their center is closer than one of your own.
Compiled from providers’ own public location directories and deduplicated to unique physical places (how we build this index). Listing is not an endorsement, and no center pays to appear.
Not sure which center to call?
Send your details once and certified installers covering Tewksbury will get in touch with availability and a price for your term. It costs nothing, and you are not committing to anything by asking.
We pass your details only to providers that are certified in Massachusetts. We never sell your information on, and you can tell them to stop at any time.
What Massachusetts requires
Massachusetts marks the license itself — "HT" for a hardship license with interlock, "T" for interlock alone — expressly so that officers can identify these drivers at a stop. The program came out of Melanie’s Law in 2005 and is run by the Driver Control Unit of the RMV.
- First offense: For the whole hardship license period; multiple-OUI offenders keep the device a further two years after full reinstatement. Since 1 July 2021 certain first offenders seeking a hardship license need one too
- Lockout threshold: Set by the certification rules at 540 CMR 25.00, under which the RMV certifies the providers that install and monitor the device
- Program run by: Massachusetts RMV, Driver Control Unit
Why Massachusetts orders these devices
An interlock order is not a judgment about you personally — it is what the state does with every case of this kind, and the reason sits in the crash record.
Source: NHTSA Fatality Analysis Reporting System, 2020–2022. The count covers fatal crashes where police recorded that a driver had been drinking, which is narrower than the federal 0.08 BAC measure and therefore understates the real figure. Middlesex County runs at or below the Massachusetts average — the requirement is set state-wide regardless. What the device changes is measurable too: a car fitted with one cannot be started over the limit, which is why the order attaches to driving privileges rather than to the sentence.
Other cities in Massachusetts
If nothing in Tewksbury works for you, a center one town over often has an earlier appointment — the price does not change.
Interlock questions in Tewksbury
Where can I get an ignition interlock device installed in Tewksbury, MA?
We index 2 certified installation points in Tewksbury, run by Intoxalock, Smart Start. Addresses are listed above. Book with the provider your paperwork names, not the nearest one — a device approved in one state is not automatically approved in the next, and switching brands mid-term means a second installation fee.
How much does it cost to have an ignition interlock device installed in Massachusetts?
Massachusetts does not publish a price, so the honest answer is the national one: NHTSA puts installation at $70 to $90 and monitoring at about $70 a month, roughly $3 to $4 a day. Quotes in Tewksbury will sit around that unless the provider is charging for something the state does not require.
Can I drink one beer and still start the car in Massachusetts?
Almost certainly not. Massachusetts does not print one fixed number in the statute — the level is set by the certifying agency in the device standard, typically between 0.02% and 0.025% BAC, far below the 0.08% driving limit. The device is not testing whether you are impaired, it is testing whether you drank. One drink shortly before a test is enough on most programs, and the fail is recorded whether or not you try again.
What does an ignition interlock device do?
An ignition interlock is a breath-alcohol tester wired into your car ignition. You blow into it before starting the engine; if your breath alcohol is above the state threshold, the engine will not start.
While you are driving, the device asks for rolling retests at random intervals. Every sample, skipped test, and lockout is recorded and sent to the agency monitoring your case.
All Massachusetts cities →Why Massachusetts requires it →What it costs in Massachusetts →DUI lawyers in Massachusetts →If the device recorded a violation →