Washington DUI Laws & Penalties (2026)
Washington requires IID for all DUI offenses for at least 1 year. The state has a 7-year lookback for penalty purposes.
Washington DUI Penalties
1st Offense
2nd Offense
BAC Limits in Washington
💰 Estimated Total Cost
A first DUI in Washington typically costs $10,000-$25,000+ including fines, attorney, classes, IID, and insurance increases.
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Washington DUI Deep Dives
🚨 First Offense Penalties
Complete guide to what happens on your first DUI in Washington.
🍺 BAC Limit
Legal BAC limits for standard, commercial, and under-21 drivers.
💰 DUI Cost
Full cost breakdown: fines, attorney, classes, insurance, and more.
🔧 Ignition Interlock Cost
IID installation, monthly fees, and provider comparison.
🚫 License Suspension
Suspension length, restricted license options, and reinstatement steps.
🧮 Cost Calculator
Estimate your total DUI cost with our interactive tool.
Official Sources & References
- 📋 Wash. Rev. Code § 46.61.502 — Washington DUI statute
- 🚗 Washington DMV — License suspension, reinstatement, IID requirements
- 📊 NHTSA Impaired Driving Data
- 🛡️ MADD — Mothers Against Drunk Driving
DUIFinders.com is not a law firm and does not provide legal advice. Information is for general purposes only. Consult a licensed attorney in Washington for advice specific to your situation.
Washington DUI FAQ
What is the BAC limit in Washington?
The legal BAC limit in Washington is 0.08% for regular drivers, 0.04% for commercial drivers, and 0.02% for drivers under 21.
What are the penalties for a first DUI in Washington?
A first DUI in Washington is a Gross misdemeanor. Penalties include 1–364 days (24 hours mandatory) jail, $350–$5,000 in fines, and 90-day suspension license suspension.
Is an ignition interlock device required in Washington?
Required for all offenses (1 year minimum)
Can a DUI be expunged in Washington?
No, Washington does not allow DUI expungement.
What is the lookback period for DUI in Washington?
Washington uses a 7-year lookback period to determine if an offense counts as a repeat offense.