Massachusetts Ignition Interlock Cost Calculator 2026

Massachusetts does not require an ignition interlock after a first OUI conviction, so there is no first-offense device cost to add up. Change the offense level below to price a second or third offense.

Data verified May 2026

Massachusetts OUI Cost Calculator

Enter your case details for a state-specific cost estimate.

Some states require a device on every vehicle you drive, which can mean more than one. The rule varies by state, so choose how many vehicles to price.

Your Massachusetts OUI estimate will appear here

Answer the questions and press the button. You will get a low, typical and high figure, with each cost listed on its own line.

  • Uses this state's own fines, suspension and interlock rules
  • Market costs such as attorney fees are labelled as estimates
  • Free, and nothing to sign up for

Massachusetts OUI FAQ

How much does an OUI cost in Massachusetts?

Attorney fees for a first-offense OUI in Massachusetts typically run $2,500 to $10,000 on our estimates, and the fine is $500 to $5,000 before court costs. Adding insurance, interlock, education, reinstatement and lost time from work, our calculator puts a typical first offense at about $28,189 (range $14,372 to $44,471) with its default answers; the median of our 50 state estimates is $17,615.

How long is your license suspended for a first OUI in Massachusetts?

A first-offense OUI conviction in Massachusetts carries a license suspension of 1 year (365 days). A hardship or restricted license may be available during this period.

Is an ignition interlock device required in Massachusetts for a first OUI?

Our Massachusetts data shows no interlock requirement for a first-offense OUI.

How long is SR-22 insurance required after an OUI in Massachusetts?

Massachusetts requires SR-22 high-risk insurance filing for 3 years following an OUI conviction.

Can an OUI be expunged in Massachusetts?

Massachusetts does not allow OUI convictions to be expunged. Some states have other ways to limit who can see a record, such as sealing, which this site does not cover yet.

Massachusetts OUI figures this calculator uses

Ignition interlock, first offense
None
Ignition interlock, second offense
24 months
Ignition interlock, third offense
24 months
Required for every offense
No
Typical monthly lease and monitoring (estimate)
$90

Statutory figures were checked against Massachusetts law (primary source) and last verified May 2026. Typical ranges are market estimates, not law; see our methodology.

Worked example

With the calculator's default answers (offense number: First offense; number of vehicles you own: 1 vehicle):

Massachusetts does not require an ignition interlock device after a first OUI conviction, so there is no device cost to estimate. A second OUI conviction carries a 24-month interlock requirement.

Change the answers in the calculator above to see your own estimate.

On our estimates, a typical first-offense OUI in Massachusetts comes to about $28,189, the 2nd highest of the 50 states. The median of our 50 state estimates is $17,615. These come from the total-cost calculator with its default answers, not from a national survey.

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