Facing a DUI in Maryland? Learn the exact penalties, license consequences, and defense strategies available under Maryland DUI law — from first offenses to repeat charges.
DUI vs. DWI in Maryland: What's the Difference?
Maryland law distinguishes between two separate drunk-driving offenses, and understanding the difference matters significantly for your case.
DUI (Driving Under the Influence) under Maryland Transportation Code § 21-902(a) applies when a driver's blood alcohol content (BAC) is 0.08% or higher, or when the driver is substantially impaired by alcohol. This is the more serious of the two charges.
DWI (Driving While Impaired) under § 21-902(b) applies when a driver's BAC is between 0.04% and 0.07%, or when the driver is impaired to any degree by alcohol. DWI is a lesser charge, but it still carries real consequences.
Both offenses are misdemeanors under Maryland law, but their penalties differ, and either can appear on your criminal record and driving history.
Maryland DUI Penalties: First, Second, and Third Offenses
According to the Maryland Motor Vehicle Administration, the penalties for DUI convictions increase with each offense:
DUI Penalties
| Offense | Maximum Jail Time | Maximum Fine | Points Added |
|---|---|---|---|
| First | 1 year | $1,000 | 12 |
| Second | 2 years (5 days minimum) | $2,000 | 12 |
| Third | 3 years | $3,000 | 12 |
DWI Penalties
| Offense | Maximum Jail Time | Maximum Fine | Points Added |
|---|---|---|---|
| First | 2 months | $500 | 8 |
| Second | 1 year | $500 | 8 |
Twelve points on your Maryland driving record triggers license revocation. Eight points triggers a suspension. These points remain on your driving record for two years from the conviction date.
License Suspension After a Maryland DUI
Maryland's administrative license suspension (ALS) process is separate from — and operates independently of — the criminal court process. This means your license can be suspended even before your criminal case is resolved.
Breath Test Results and Suspension
- BAC 0.08–0.14: 180-day suspension for a first offense; 180 days for a second offense
- BAC 0.15 or higher: 180-day suspension for a first offense; 270 days for a second offense Refusal to Take a Breath Test If you refuse a breath test, you face a 270-day license suspension for a first refusal and a two-year suspension for a second refusal. Maryland's implied consent law means that by driving in the state, you have already agreed to submit to chemical testing when lawfully requested.
You have 30 days from the date of arrest to request a hearing with the Office of Administrative Hearings to contest the administrative suspension. Missing this deadline results in automatic suspension. An attorney can request this hearing on your behalf.
The Ignition Interlock Program
Maryland's Ignition Interlock System Program requires certain DUI offenders to install a breath-testing device in their vehicle before driving. Participation may allow you to drive during a suspension period, but you must blow a clean test before the car will start.
Mandatory participation applies to:
- First offenders with a BAC of 0.15 or higher
- Any driver who refused a breath test
- Second and subsequent DUI offenders The program is administered by the Maryland MVA, and participants bear the cost of device installation and monthly monitoring fees.
Aggravating Factors That Increase Penalties
Certain circumstances make a DUI charge significantly more serious in Maryland:
DUI with a Minor in the Vehicle
If you are arrested for DUI with a passenger under 18 years old, penalties are substantially enhanced. Jail time for a first offense can reach up to two years, and fines increase accordingly.
DUI Causing Injury or Death
A DUI that causes serious bodily injury can be charged as a felony. A DUI causing death can result in charges of vehicular manslaughter, carrying up to 10 years in prison and heavy fines.
Commercial Driver's License (CDL) Holders
CDL holders face a one-year CDL disqualification for a first DUI conviction and a lifetime ban for a second. The BAC threshold for CDL holders operating commercial vehicles is 0.04%.
DUI Defense Strategies in Maryland
A DUI charge does not automatically mean a conviction. Experienced Maryland criminal defense attorneys use a range of strategies, including:
Challenging the Traffic Stop
Police must have a lawful reason — "reasonable articulable suspicion" — to pull you over. If the stop was not legally justified, evidence gathered from it may be suppressed.
Challenging Field Sobriety Tests
Field sobriety tests (FSTs) are not infallible. Factors like medical conditions, uneven pavement, footwear, and nervousness can all affect performance. Your attorney can challenge whether these tests were properly administered.
Challenging the Breathalyzer
Breathalyzer devices must be properly calibrated and maintained. Officers must follow specific protocols when administering the test. Errors in calibration records or administration procedures can call the results into question.
Probation Before Judgment (PBJ)
For a first-time DUI with no aggravating factors, your attorney may be able to negotiate a Probation Before Judgment outcome, which does not result in a conviction. However, a DUI PBJ cannot be expunged under Maryland law.
According to Nolo, the legal landscape around DUI defense is complex, and early intervention by an attorney is critical to preserving your options.
FAQ
What is the legal BAC limit in Maryland?
For most drivers, the legal limit is 0.08%. For drivers under 21, Maryland has a zero-tolerance policy. For commercial vehicle operators, the limit is 0.04%.
Can I get a DUI expunged from my record in Maryland?
A DUI conviction cannot be expunged in Maryland. Even a DUI that resulted in a Probation Before Judgment (PBJ) cannot be expunged under Maryland law.
Will a Maryland DUI show up on a background check?
Yes. DUI convictions are part of your permanent criminal record. Even a PBJ will show in certain databases until the case is resolved and any applicable waiting period has passed.
Can I refuse to take a breathalyzer test in Maryland?
Technically, yes — but it comes with serious consequences. Maryland's implied consent law imposes a 270-day license suspension for a first refusal, and refusal can be used as evidence against you in court.
Do I need a lawyer for a first-offense DUI in Maryland?
Yes. Even a first-offense DUI can result in jail time, fines, license suspension, and a permanent criminal record. An experienced attorney can challenge the evidence and potentially negotiate a better outcome. Speak with a Maryland criminal defense attorney today. A DUI arrest does not define your future. With the right legal strategy, you may be able to challenge the charges, protect your license, and minimize the impact on your life.
