Massachusetts OUI Laws & Penalties (2026)
Massachusetts uses a lifetime lookback — every prior OUI counts regardless of when it occurred. The state uses the term OUI.
Massachusetts OUI Penalties
1st Offense
2nd Offense
BAC Limits in Massachusetts
💰 Estimated Total Cost
A first OUI in Massachusetts typically costs $10,000-$25,000+ including fines, attorney, classes, IID, and insurance increases.
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Massachusetts OUI Deep Dives
🚨 First Offense Penalties
Complete guide to what happens on your first OUI in Massachusetts.
🍺 BAC Limit
Legal BAC limits for standard, commercial, and under-21 drivers.
💰 OUI Cost
Full cost breakdown: fines, attorney, classes, insurance, and more.
🔧 Ignition Interlock Cost
IID installation, monthly fees, and provider comparison.
🚫 License Suspension
Suspension length, restricted license options, and reinstatement steps.
🧮 Cost Calculator
Estimate your total OUI cost with our interactive tool.
Official Sources & References
- 📋 Mass. Gen. Laws ch. 90, § 24 — Massachusetts OUI statute
- 🚗 Massachusetts DMV — License suspension, reinstatement, IID requirements
- 📊 NHTSA Impaired Driving Data
- 🛡️ MADD — Mothers Against Drunk Driving
DUIFinders.com is not a law firm and does not provide legal advice. Information is for general purposes only. Consult a licensed attorney in Massachusetts for advice specific to your situation.
Massachusetts OUI FAQ
What is the BAC limit in Massachusetts?
The legal BAC limit in Massachusetts is 0.08% for regular drivers, 0.04% for commercial drivers, and 0.02% for drivers under 21.
What are the penalties for a first OUI in Massachusetts?
A first OUI in Massachusetts is a Misdemeanor. Penalties include Up to 2.5 years jail, $500–$5,000 in fines, and 1-year suspension license suspension.
Is an ignition interlock device required in Massachusetts?
Required for 2 years for 2nd offense
Can a OUI be expunged in Massachusetts?
No, Massachusetts does not allow OUI expungement.
What is the lookback period for OUI in Massachusetts?
Massachusetts uses a Lifetime lookback period to determine if an offense counts as a repeat offense.