Washington State DUI Penalties by Offense and BAC Level

What Washington State law says about DUI penalties

Washington State imposes different penalties depending on whether it is your first offense, how high your blood alcohol content (BAC) was at the time, and whether anyone was injured. A first-time DUI with a BAC between 0.08% and 0.15% carries different consequences than a BAC of 0.15% or higher, and a fourth DUI within ten years is treated as a felony rather than a misdemeanor. The penalties include jail time, fines, license suspension, and mandatory programs — and they increase sharply with each additional offense within a ten-year lookback period.

Washington courts also consider "aggravating factors" that can push penalties higher: driving with a child under 16 in the car, refusing a breath or blood test, having a prior DUI, or causing an accident. Understanding where your situation falls on the penalty scale helps you see what to expect and what options may be available to you.

Key Takeaways

First-time DUI penalties in Washington range from 24 hours to one year in jail, $250 to $1,000 in fines, and a one-year license suspension, with higher penalties if your BAC was 0.15% or above.
A second DUI within ten years carries a minimum of 30 days in jail, $500 to $1,500 in fines, and a two-year license suspension.
A third DUI within ten years is a felony charge with a minimum of 90 days in jail, $1,000 to $5,000 in fines, and a three-year license suspension.
A fourth or subsequent DUI within ten years is a felony with a minimum of 180 days in jail, $1,500 to $5,000 in fines, and a four-year license suspension.
Aggravating factors like a child passenger, high BAC, or refusal to test can increase jail time and fines beyond the minimum.

First DUI offense penalties in Washington

A first DUI in Washington is a misdemeanor. The base penalty depends on your BAC level. If your BAC was between 0.08% and 0.15%, you face a minimum of 24 hours in jail (which can sometimes be served as electronic home monitoring), a fine of $250 to $1,000, a one-year license suspension, and mandatory enrollment in a DUI education program. You will also pay court costs and fees that typically add several hundred dollars to the total.

If your BAC was 0.15% or higher, the minimum jail time increases to 48 hours, the fine range stays $250 to $1,000, and the license suspension remains one year. However, the judge has discretion to impose up to one year in jail for a first offense, especially if aggravating factors are present. You must also complete a substance abuse assessment and follow any treatment recommendations that result from it.

First-time offenders may be offered a deferred prosecution program in some counties, which allows you to avoid a conviction if you complete treatment and remain violation-free for a set period. This is not automatic and depends on the prosecutor's decision and the judge's approval.

Second DUI offense penalties within ten years

A second DUI within ten years remains a misdemeanor but carries significantly higher penalties. The minimum jail sentence is 30 days, and the judge can impose up to one year. The fine range is $500 to $1,500. Your license suspension increases to two years, and you must install an ignition interlock device (IID) on any vehicle you drive — this device requires you to pass a breath test before the engine will start.

You are also required to complete a DUI education program and a substance abuse assessment. If the assessment recommends treatment, you must follow those recommendations. The ignition interlock requirement typically lasts for at least one year, even if your license suspension ends sooner.

Third DUI offense penalties within ten years

A third DUI within ten years becomes a felony in Washington. The minimum jail sentence is 90 days, and you can be sentenced to up to one year in prison. The fine range is $1,000 to $5,000. Your license suspension extends to three years, and you must install an ignition interlock device for a minimum of one year.

A felony conviction carries collateral consequences beyond the when ready penalties: you may lose certain professional licenses, face employment difficulties, and have a permanent criminal record. You must complete a DUI education program and a substance abuse assessment, and follow any treatment recommendations.

Fourth and subsequent DUI offenses within ten years

A fourth or subsequent DUI within ten years is a felony. The minimum jail sentence is 180 days (six months), and you can be sentenced to up to one year in prison. The fine range is $1,500 to $5,000. Your license suspension is four years, and you must install an ignition interlock device for a minimum of one year after your license is reinstated.

Repeat felony convictions carry serious long-term consequences. You will have a felony record, which affects housing, employment, and professional licensing. You must complete a DUI education program and a substance abuse assessment, and comply with any treatment requirements.

Aggravating factors that increase penalties

Washington courts can impose penalties above the minimum if aggravating factors are present. These include: a BAC of 0.15% or higher, refusal to submit to a breath or blood test, a prior DUI conviction (even outside the ten-year lookback), driving with a passenger under age 16, causing an accident or property damage, and having a suspended or revoked license at the time of the DUI.

Each aggravating factor can add jail time and increase fines. For example, a first DUI with a BAC of 0.20% and a child passenger could result in jail time closer to the one-year maximum rather than the 24-hour minimum. The judge must document which aggravating factors were found and explain how they affected the sentence.

License suspension and ignition interlock requirements

Washington suspends your driver's license when ready upon arrest for DUI, even before conviction. You have a right to request a hearing within seven days to challenge the suspension, but the suspension stays in effect unless you win that hearing. After conviction, the court imposes an additional license suspension on top of any administrative suspension from the arrest.

An ignition interlock device is required for all DUI convictions except first offenses with a BAC below 0.15% (though the judge can order one even for a first offense). The device costs money to install and maintain — typically $60 to $100 per month. You must pass a breath test each time you start the vehicle, and the device records all test results, which are reported to the court.

Frequently Asked Questions

How far back does Washington look for prior DUI convictions?

Washington uses a ten-year lookback period for determining whether a DUI is a first, second, third, or subsequent offense. Only convictions within ten years of the current arrest count toward this calculation. A conviction older than ten years does not increase the penalty level, though the judge may still consider it as a factor in sentencing.

Can jail time be served as home monitoring instead?

For first offenses, some of the jail time can sometimes be served as electronic home monitoring, depending on the county and the judge's discretion. For second and subsequent offenses, jail time is more likely to be served in custody. You should discuss this possibility with your attorney or the prosecutor.

What happens if I refuse a breath or blood test?

Refusal to submit to a breath or blood test is an aggravating factor that increases penalties. Your license is also suspended for one year on a first refusal, two years on a second refusal within ten years, and three years on a third or subsequent refusal. Refusal does not prevent prosecution — the state can still pursue a DUI case based on other evidence.

Do I have to pay for the DUI education program?

Yes, you must pay for the DUI education program yourself. The cost varies by provider but typically ranges from $300 to $600. The substance abuse assessment also has a cost, usually $100 to $300. These are in addition to fines, court costs, and other penalties imposed by the court.

Can a DUI conviction be removed from my record?

Washington does not allow DUI convictions to be expunged (removed from your record). A DUI conviction remains on your record permanently. However, you may be able to have certain other criminal records sealed or expunged under different circumstances — your attorney can advise whether any options explore to your situation.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.