DUI / DWI Defense in Washington

Washington ( WA)
Average: $6,000
Last Updated: Mar 2026
Low Estimate
$3,000
Simple / Uncontested Cases
Average Cost
$6,000
Typical DUI / DWI Defense Case
High Estimate
$18,000
Complex / Contested Cases
Cost Component Low Average High
Attorney Hourly Rate $200/hr $288/hr $475/hr
Total Cost Estimate $3,000 $6,000 $18,000

What to Know About DUI / DWI Defense Costs in Washington

Washington DUI carries mandatory minimum penalties escalating with BAC level and prior offenses. First offense with BAC 0.08-0.14% requires minimum 1 day jail and $940 fine. BAC 0.15%+ requires minimum 2 days jail and $1,195 fine. Attorney fees range $3,000-$6,000 for first DUI. Washington has an administrative license suspension through DOL hearings — defendants have only 7 days from arrest to request a hearing. Deferred prosecution (a unique Washington program) allows first-time DUI defendants to enter treatment instead of facing trial, but requires completion of a 2-year treatment program and 5-year probation. Felony DUI applies to fourth offense within 10 years or prior vehicular assault convictions. Ignition interlock requirements apply to all DUI convictions. Seattle and King County have specialized DUI courts.

Sources: State DUI statutes, DUI.org, National Highway Traffic Safety Administration (WA)

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