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Massachusetts DUI Laws

Massachusetts DUI Defense

What you're facing, what the deadlines are, and the questions your attorney needs to answer, specific to Massachusetts (MA) law.

BAC Limit

0.08

Enhanced BAC

0.20

Higher penalties above this

Lookback Period

Lifetime

Prior offenses count within

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15 days-Day DMV Hearing Deadline

In Massachusetts, you have 15 days days from your arrest to request an administrative DMV hearing. Miss this deadline and your license suspension goes into effect automatically , even if the criminal case is later dismissed.

First Offense Penalties in Massachusetts

Jail TimeUp to 2.5 years
Fines$500 – $5,000
License Suspension1 year (45-day 'hardship license' available after disposition)
Ignition InterlockRequired for 2 years if BAC 0.15+

Implied Consent & Test Refusal

Like all 50 states, Massachusetts has an implied consent law, by driving on Massachusettsroads, you've already agreed to submit to a chemical test (breath, blood, or urine) if an officer has probable cause to believe you're impaired.

Refusal Penalty

180-day license suspension

Massachusetts-Specific Detail

Massachusetts uses a lifetime lookback, a DUI from 30 years ago counts as a prior offense. This is one of the harshest lookback policies in the nation. The state calls DUI 'OUI' (Operating Under the Influence).

Is your Massachusetts DUI defense on track?

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DUI Defense Playbook — $127

26 questions that change how your next attorney meeting goes, a case stage roadmap, red flag checklist, and a case progress scorecard. Instant PDF download — calibrated for Massachusetts DUI defendants.

Get the DUI Playbook — $127Read the Free DUI Guide

Other Massachusetts defense topics

Facing a different charge in Massachusetts? Penalty ranges, enhancements, and defense questions for related crimes:

Drug Possession in MassachusettsAssault in MassachusettsDomestic Violence in Massachusetts

Important: This page provides general legal information about Massachusetts DUI laws as of the date of publication. Laws change frequently. This is not legal advice. For guidance specific to your case, speaking with a Massachusetts-licensed attorney is one option, or take the free Masked Researcher’s First Read to see where your case stands.