New Hampshire DWI Attorney Cost Estimator 2026

State-specific DWI cost estimates for New Hampshire, including fines, attorney fees, SR-22 insurance, ignition interlock, and more.

Data verified May 2026

New Hampshire DWI Cost Calculator

Enter your case details for a state-specific cost estimate.

Trial cases cost significantly more in attorney fees due to preparation and court time.

Your New Hampshire DWI 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

New Hampshire DWI FAQ

How much does a DWI cost in New Hampshire?

Attorney fees for a first-offense DWI in New Hampshire typically run $1,500 to $5,000 on our estimates, and the fine is $500 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 $18,076 (range $9,791 to $28,285) with its default answers; the median of our 50 state estimates is $17,615.

How long is your license suspended for a first DWI in New Hampshire?

A first-offense DWI conviction in New Hampshire carries a license suspension of 270 days. A hardship or restricted license may be available during this period.

Is an ignition interlock device required in New Hampshire for a first DWI?

Our New Hampshire data shows no interlock requirement for a first-offense DWI.

How long is SR-22 insurance required after a DWI in New Hampshire?

New Hampshire requires SR-22 high-risk insurance filing for 3 years following a DWI conviction.

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.

New Hampshire DWI figures this calculator uses

Attorney fees, first offense (estimate)
$1,500 to $5,000
Typical bail, first offense (estimate)
$500
Typical bail, second offense (estimate)
$2,500
Typical court fees (estimate)
$250
Fine, first DWI
$500 to $1,200

Statutory figures were checked against New Hampshire 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; case complexity: Standard - no accident, no aggravating factors; do you expect to go to trial?: No - likely plea or dismissal):

CostTypical
Attorney Retainer / Base Fee$3,250
DMV Administrative Hearing Representation$750
Filing Fees and Miscellaneous Costs$350
Estimated total (range $1,950 to $7,300)$4,350

Change the answers in the calculator above to see your own estimate.

On our estimates, a typical first-offense DWI in New Hampshire comes to about $18,076, the 22nd 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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New Hampshire DWI Total Cost Calculator →

New Hampshire DWI Overview

All New Hampshire DWI Calculators & Laws →

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