Washington Ignition Interlock Cost Calculator 2026

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

Data verified May 2026

Washington DUI Cost Calculator

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

Some states require a device on every vehicle you drive, which can mean more than one. The rule varies by state, so choose how many vehicles to price.

Your Washington 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

Washington DUI FAQ

How much does a DUI cost in Washington?

Attorney fees for a first-offense DUI in Washington typically run $2,500 to $10,000 on our estimates, and the fine is $991 to $5,000 before court costs. Adding insurance, interlock, education, reinstatement and lost time from work, our calculator puts a typical first offense at about $21,693 (range $11,186 to $33,697) 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 Washington?

A first-offense DUI conviction in Washington 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 Washington for a first DUI?

Yes. Washington requires an ignition interlock device for 12 months following a first DUI conviction.

How long is SR-22 insurance required after a DUI in Washington?

Washington requires SR-22 high-risk insurance filing for 3 years following a DUI conviction.

Can a DUI be expunged in Washington?

Washington does not allow DUI convictions to be expunged. Some states have other ways to limit who can see a record, such as sealing, which this site does not cover yet.

Washington DUI figures this calculator uses

Ignition interlock, first offense
12 months
Ignition interlock, second offense
60 months
Ignition interlock, third offense
120 months
Required for every offense
Yes
Typical monthly lease and monitoring (estimate)
$130

Statutory figures were checked against Washington 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):

CostTypical
Installation Fee$100
Monthly Lease and Monitoring (12 months)$1,560
Calibration and Service Visits$240
Removal Fee$75
Estimated total (range $1,619 to $2,458)$1,975

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

On our estimates, a typical first-offense DUI in Washington comes to about $21,693, the 14th 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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