Maryland DUI Laws
Maryland DUI Defense
What you're facing, what the deadlines are, and the questions your attorney needs to answer, specific to Maryland (MD) law.
BAC Limit
0.08 (DUI) / 0.07 (DWI)
Enhanced BAC
0.15
Higher penalties above this
Lookback Period
5 years
Prior offenses count within
30 days-Day DMV Hearing Deadline
In Maryland, you have 30 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 Maryland
Implied Consent & Test Refusal
Like all 50 states, Maryland has an implied consent law, by driving on Marylandroads, 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
270-day license suspension
Maryland-Specific Detail
Maryland has a two-tier system: DUI (0.08+) and DWI (0.07-0.079). DWI carries lighter penalties. The state participates in the Ignition Interlock System Program as an alternative to full suspension.
Is your Maryland DUI defense on track?
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Other Maryland defense topics
Facing a different charge in Maryland? Penalty ranges, enhancements, and defense questions for related crimes:
Important: This page provides general legal information about Maryland 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 Maryland-licensed attorney is one option, or take the free Masked Researcher’s First Read to see where your case stands.