New Hampshire DWI Costs (2026)
State-specific DWI cost calculators, law summaries, and guides for New Hampshire.
Calculate your New Hampshire DWI costOn our estimates, a typical first-offense DWI in New Hampshire costs about $18,076, the 22nd highest of the 50 states (median of our state estimates: $17,615). Use the calculators below for your own situation.
New Hampshire DWI Key Facts
New Hampshire DWI Calculators
New Hampshire DWI FAQ
How much does a DWI cost in New Hampshire?
Add up the fine ($500-$1,200), attorney fees (our estimate: $1,500-$5,000), insurance, ignition interlock, education, reinstatement and time off work, and our calculator puts a typical first-offense DWI in New Hampshire at about $18,076, within a range of $9,791 to $28,285, using its default answers. Use the calculator for an estimate based on your own situation.
What is the legal DWI term in New Hampshire?
New Hampshire uses the term "DWI" for impaired driving offenses. The legal BAC limit is 0.08% for adults, with enhanced penalties at 0.16% BAC.
How long is your license suspended for a first DWI in New Hampshire?
A first-offense DWI in New Hampshire carries a license suspension of 270 days, and a second offense carries a license suspension of 3 years (1095 days). Whether you can keep driving on a restricted license during that time is covered below.
Is an ignition interlock device required in New Hampshire?
Our New Hampshire data shows no interlock requirement for a first-offense DWI. A second offense requires 12 months of IID.
Does New Hampshire require SR-22 insurance after a DWI?
Yes. New Hampshire requires SR-22 high-risk insurance filing for 3 years following a DWI conviction. We estimate the typical premium increase at 50-100%.
When does a DWI become a felony in New Hampshire?
In New Hampshire, a DWI becomes a felony on the fourth offense within 10 years. Other factors, such as an injury, can also change how a case is charged; an attorney can tell you how they apply in New Hampshire.
Can a DWI be expunged in New Hampshire?
New Hampshire allows DWI expungement under certain conditions, typically after a waiting period of 10 years following completion of your sentence.
How long do you have to request a license hearing after a DWI arrest in New Hampshire?
In New Hampshire, you have 30 days from the date of the suspension notice to request a hearing on your license (RSA 265-A:31, I(a)). The request must arrive within that time. The notice you received at arrest gives the exact date.
How long does New Hampshire have to charge you with a DWI?
In New Hampshire, the state generally must file DWI charges within 1 year of the alleged offense. This deadline reflects a first-offense misdemeanor DWI; felony cases can carry a different filing window. If you are charged, an attorney can confirm how the deadline applies to your case.
Can you get a hardship or restricted license after a DWI in New Hampshire?
New Hampshire generally offers a hardship or restricted license that can let you keep driving for work, school, or treatment during part of a DWI suspension. Eligibility and conditions depend on your offense level and the court, so confirm the current rules for your situation.
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