Maryland Ignition Interlock Cost Calculator 2026
State-specific DUI cost estimates for Maryland, including fines, attorney fees, the insurance increase, ignition interlock, and more.
Your Maryland DUI estimate will appear here
Answer the questions and press the button. You will get a low, typical and high figure, with each cost listed on its own line.
- Uses this state's own fines, suspension and interlock rules
- Market costs such as attorney fees are labelled as estimates
- Free, and nothing to sign up for
Maryland DUI FAQ
How much does a DUI cost in Maryland?
Attorney fees for a first-offense DUI in Maryland typically run $2,500 to $7,500 on our estimates, and the fine is $0 to $1,200 before court costs. Adding insurance, interlock, education, reinstatement and lost time from work, our calculator puts a typical first offense at about $17,028 (range $9,202 to $26,742) with its default answers; the median of our 50 state estimates is $17,615.
How long is your license suspended for a first DUI in Maryland?
A first-offense DUI conviction in Maryland carries a license suspension of 180 days. A hardship or restricted license may be available during this period.
Is an ignition interlock device required in Maryland for a first DUI?
Yes. Maryland requires an ignition interlock device for 6 months following a first DUI conviction.
How long is SR-22 insurance required after a DUI in Maryland?
Maryland does not use SR-22 filings. You will need to maintain standard Maryland auto insurance coverage.
Can a DUI be expunged in Maryland?
Maryland allows DUI expungement under certain conditions, typically after a waiting period of 15 years following completion of your sentence.
Maryland DUI figures this calculator uses
- Ignition interlock, first offense
- 6 months
- Ignition interlock, second offense
- 12 months
- Ignition interlock, third offense
- 36 months
- Required for every offense
- Yes
- Typical monthly lease and monitoring (estimate)
- $80
Statutory figures were checked against Maryland law (primary source) and last verified May 2026. Typical ranges are market estimates, not law; see our methodology.
Worked example
With the calculator's default answers (offense number: First offense; number of vehicles you own: 1 vehicle):
| Cost | Typical |
|---|---|
| Installation Fee | $100 |
| Monthly Lease and Monitoring (6 months) | $480 |
| Calibration and Service Visits | $72 |
| Removal Fee | $75 |
| Estimated total (range $583 to $927) | $727 |
Change the answers in the calculator above to see your own estimate.
On our estimates, a typical first-offense DUI in Maryland comes to about $17,028, the 29th highest of the 50 states. The median of our 50 state estimates is $17,615. These come from the total-cost calculator with its default answers, not from a national survey.
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Maryland DUI Total Cost Calculator →Maryland DUI Overview
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Maryland Attorney Cost →Maryland Total Cost →Maryland SR-22 Insurance →Maryland Suspension Timeline →Related Guide
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