Ignition Interlock Device (IID) in Massachusetts
Massachusetts uses the term "OUI" for impaired driving offenses. IID requirement: required for high bac or repeat offenses. First offense duration: Not required (unless under 21 or CDL — then 2 years). Monthly cost: $70-$110.
Last updated:
Quick Answer
Massachusetts requires IID for second and subsequent OUI offenses. First-offense OUI does not require IID unless the offender is under 21 or has a CDL. IID is mandatory for hardship license eligibility for repeat offenders.
IID Duration by Offense
| Offense | IID Duration |
|---|---|
| 1st Offense | Not required (unless under 21 or CDL — then 2 years) |
| 2nd Offense | 2 years |
| 3rd Offense | 5 years |
| 4th+ Offense | 10 years |
BAC threshold: All second and subsequent offenses; first offense only for under-21 or CDL holders
IID Cost Breakdown in Massachusetts
| Item | Cost | Notes |
|---|---|---|
| Installation | $80-$175 | One-time fee. Takes about 1 hour. |
| Monthly Lease + Monitoring | $70-$110/mo | Includes device lease and monitoring. |
| Calibration | $25-$75 | Every 60 days. |
| Removal | $50-$100 | One-time fee when IID period ends. |
| Estimated Total (6 months) | $550-$935 | Install + 6 months lease + removal. |
| Estimated Total (12 months) | $970-$1,595 | Install + 12 months lease + removal. |
One-time
Lease + monitoring
Every 60 days
One-time
All-in estimate
All-in estimate
Approved IID Providers in Massachusetts
Contact providers directly for current pricing and service center locations in Massachusetts. Compare at least 2-3 providers before choosing — prices and service quality vary.
Restricted License with IID
Massachusetts allows a hardship license (Cinderella license) with IID for repeat offenders, permitting driving during certain hours for essential purposes.
Tampering / Circumvention Penalties
Tampering with an IID in Massachusetts carries fines, extension of the IID requirement, and possible additional criminal charges.
Early Removal
Massachusetts does not allow early removal of IID.
Massachusetts-Specific Notes
Massachusetts uses the term OUI (Operating Under the Influence). The state has a lifetime lookback period for prior offenses. IID is not required for standard first-offense OUI, making it less strict than all-offender states for first-timers. However, repeat offender IID durations are very long.
Frequently Asked Questions
Is an IID required for a first OUI in Massachusetts?
How long do I need an IID in Massachusetts?
How much does an IID cost in Massachusetts?
Related Massachusetts Guides
Related Resources on This Site
More for your state
- HousingSecond chance apartments in Boston, MA
- ExpungementMassachusetts expungement guide
- Voting RightsFelon voting rights in Massachusetts
- Gun RightsFelon gun rights in Massachusetts
- DUI RecoveryDUI license recovery in Massachusetts
- ProbationProbation & parole in Massachusetts
- SR22 InsuranceSR22 insurance in Massachusetts
- License ReinstatementLicense reinstatement in Massachusetts
Helpful guides
- Drug TestingDOT drug testing rules — guide for CDL drivers and regulated employees
- ExpungementHow to find an expungement lawyer
- DUI RecoveryHow to find a DUI lawyer
- Safety & ProtectionSafety planning guide