Louisiana Second DWI Cost Calculator 2026

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

Data verified May 2026

Louisiana DWI Cost Calculator

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

The time between offenses affects whether your state treats this as a second offense within the lookback period.

BAC Level0.10%
0.08%0.30%

Your Louisiana 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

Louisiana DWI FAQ

How much does a DWI cost in Louisiana?

Attorney fees for a first-offense DWI in Louisiana typically run $1,500 to $5,000 on our estimates, and the fine is $300 to $1,000 before court costs. Adding insurance, interlock, education, reinstatement and lost time from work, our calculator puts a typical first offense at about $13,062 (range $7,643 to $19,898) 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 Louisiana?

A first-offense DWI conviction in Louisiana carries a license suspension of 90 days. A hardship or restricted license may be available during this period.

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

Yes. Louisiana requires an ignition interlock device for 6 months following a first DWI conviction.

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

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

Can a DWI be expunged in Louisiana?

Louisiana allows DWI expungement under certain conditions, typically after a waiting period of 5 years following completion of your sentence.

Louisiana DWI figures this calculator uses

Fine, second DWI
$750 to $1,000
License suspension, second offense
2 years (730 days)
Ignition interlock, second offense
12 months
Lookback period for prior offenses
10 years
Felony at offense number
3

Statutory figures were checked against Louisiana 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 (years since your first offense: 1-3 years; bac level at arrest: 0.10%; approximate annual income: $25,000 - $50,000):

CostTypical
Second-Offense Fines and Court Fees$1,375
Attorney Fees$4,550
Ignition Interlock Device (12 months)$1,080
SR-22 Insurance Premium Increase (3 years)$4,896
Lost Wages (first year of a 2-year suspension)$12,033
DWI School, Reinstatement, Tow and Impound$750
Estimated total (range $13,845 to $38,940)$24,684

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

On our estimates, a typical first-offense DWI in Louisiana comes to about $13,062, the 43rd 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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