Washington Ignition Interlock License After DUI: Path and Costs

Washington replaced route-restricted occupational licenses with the Ignition Interlock License (IIL) system under RCW 46.20.385. Unlike traditional hardship licenses that limit you to work, medical appointments, and court-ordered destinations during specific hours, the IIL allows unrestricted driving anywhere, anytime, in any IID-equipped vehicle. There are no route logs, no approved-purpose lists, no time-of-day restrictions. The trade-off is simple: you install a Department of Licensing-approved ignition interlock device in every vehicle you operate, maintain SR-22 insurance, and pay the $100 application fee. The device prevents the engine from starting if your breath sample registers alcohol. You blow before each drive and at random intervals while driving. The device logs every test result and transmits data to DOL monthly. This structure eliminates the compliance burden of documenting routes and purposes. Your employer does not need to verify shift hours. You can drive to the grocery store at midnight if needed. The restriction is vehicle-based, not route-based, which means the IIL functions more like a conditional full license than a limited permit.

Washington runs two parallel suspension tracks after a DUI arrest: DOL administrative suspension under implied consent law (RCW 46.20.308) and court-ordered suspension following criminal conviction. Each track has distinct timelines, reinstatement requirements, and IIL eligibility rules. They often run concurrently but may also stack consecutively depending on case timing. The administrative suspension begins when you fail a breath test (BAC 0.08 or higher) or refuse testing at the arrest scene. DOL issues a 90-day suspension for test failure or a 1-year suspension for refusal, regardless of whether criminal charges proceed. You can apply for an IIL immediately after a test-failure suspension begins, but refusal cases require you to serve the full 1-year administrative suspension before IIL eligibility opens. The court-ordered suspension follows your DUI conviction in criminal court. First-offense DUI convictions typically carry a 90-day minimum suspension, but repeat offenses and aggravated cases (BAC 0.15 or higher, minor in vehicle) trigger longer periods. RCW 46.61.5055 governs court-ordered suspension durations. Once the court orders the suspension, you can apply for an IIL if you are not already serving a refusal-based administrative suspension. Many drivers face both suspensions simultaneously. If you took the breath test and were convicted, your 90-day administrative suspension and 90-day court-ordered suspension often overlap rather than stack. If you refused testing and were later convicted, the 1-year refusal suspension and the court-ordered suspension may run consecutively, extending your total restricted-driving period.

You apply for the IIL through the Washington Department of Licensing, not through the court. The application path is administrative, meaning you complete forms, submit documentation, and pay fees directly to DOL without a hearing in most cases. You must provide proof of ignition interlock device installation from a DOL-approved provider, an SR-22 insurance certificate, and payment of the $100 application fee. The IID must be installed before you apply. Contact a DOL-approved provider to schedule installation. The device costs approximately $70–$150 to install and $60–$90 per month for monitoring and calibration. The provider issues a certificate of installation showing the device serial number, installation date, and vehicle VIN. DOL requires this certificate as part of the IIL application packet. SR-22 insurance is required for the full IIL period and typically for three years after reinstatement following a DUI conviction. Your insurer files the SR-22 certificate electronically with DOL. Monthly premiums for SR-22 insurance after a DUI conviction in Washington typically run $140–$220 per month, depending on age, county, and driving history. Estimates based on available industry data; individual rates vary by driving history, vehicle, coverage selections, and location. DOL processing time varies, but most IIL applications are approved within 5–10 business days if all documentation is complete. Incomplete applications or missing certificates delay approval. You cannot legally drive on an IIL until DOL issues the license and you receive confirmation. Driving on a suspended license while your IIL application is pending adds a new criminal charge and disqualifies you from IIL eligibility.

If you refused the breath test at the time of arrest, Washington DOL imposes a 1-year administrative suspension with no IIL eligibility during that period. This is a hard suspension: no restricted driving, no occupational license, no IIL for the full 12 months. You serve the suspension in full before you can apply for an IIL or reinstate your license. Refusal suspensions are separate from criminal conviction suspensions and often longer. Even if your DUI criminal case is dismissed or reduced to a lesser charge, the administrative refusal suspension remains in effect. The refusal is treated as a standalone civil penalty under RCW 46.20.308, independent of the criminal court outcome. After the 1-year refusal suspension ends, you can apply for an IIL if a court-ordered suspension from your DUI conviction is still in effect. If both suspensions have ended by the time you seek reinstatement, you proceed directly to full license reinstatement rather than applying for an IIL. Reinstatement after a refusal suspension requires proof of SR-22 insurance, payment of a $170 reinstatement fee specific to DUI violations, and completion of a DOL-approved Alcohol/Drug Information School or substance abuse treatment program. Test-failure cases avoid the 1-year hard suspension. If you submitted to the breath test and failed, your administrative suspension is 90 days, and you can apply for an IIL immediately. This timing difference makes refusal the costlier choice in Washington: you lose a full year of driving privileges with no restricted-driving option, and you still face the same reinstatement requirements as test-failure cases.

The total cost of an IIL runs $3,200–$5,800 over a typical 1-year IIL period for a first-offense DUI. This includes the $100 IIL application fee, $70–$150 IID installation, $60–$90 monthly IID monitoring (12 months), SR-22 insurance premiums of $140–$220 per month (12 months), and the $170 DUI-specific reinstatement fee when you convert the IIL to full license reinstatement. SR-22 insurance premiums remain elevated for three years after your DUI conviction, even after you reinstate your full license. Washington requires three years of continuous SR-22 filing following a DUI-related suspension. If your SR-22 policy lapses or cancels during that period, your insurer notifies DOL electronically, and DOL suspends your license immediately. Reinstatement after an SR-22 lapse requires a new SR-22 certificate, payment of another reinstatement fee, and proof that the lapse has been cured. IID monitoring fees recur monthly for as long as you hold the IIL. The device must be calibrated every 60 days, and the provider downloads test data at each calibration appointment. Missed calibration appointments trigger a lockout: the device will not allow the vehicle to start until calibration is completed. DOL monitors compliance through the provider's data feed and will revoke your IIL if you accumulate violations such as failed breath tests, missed calibrations, or tampering alerts. If you do not own a vehicle, you can satisfy the IID requirement by driving only vehicles owned by others that have approved devices installed, or by obtaining non-owner SR-22 insurance and installing an IID in a vehicle you have regular access to. Non-owner SR-22 policies provide liability coverage when you drive a vehicle you do not own and typically cost $30–$60 per month, significantly less than standard SR-22 policies. However, you still need a vehicle with an installed IID to satisfy the IIL restriction, which means coordinating with a vehicle owner willing to install the device.

Second and subsequent DUI offenses carry longer mandatory suspension periods and extended IID requirements. A second DUI conviction within seven years triggers a 2-year minimum license revocation under RCW 46.61.5055, with IID required for at least 5 years after reinstatement. Some second-offense cases require IID for 10 years depending on the interval between offenses and BAC level. Aggravated DUI cases (BAC 0.15 or higher, minor passenger in vehicle, reckless driving combined with DUI) extend both suspension periods and IID durations. First-offense aggravated DUI convictions often require IID for 1–2 years, and second-offense aggravated cases may require IID for the full 10-year maximum period. Washington courts have discretion to impose longer IID periods than the statutory minimum based on case facts and prior history. Felony DUI convictions (third offense within 10 years, DUI causing serious injury or death) result in license revocation rather than suspension. Revocation requires a DOL hearing and formal application for license restoration after the revocation period ends. Felony DUI revocations carry mandatory IID periods of 10 years following reinstatement. You cannot apply for an IIL during a felony revocation period; you must complete the revocation, apply for and receive license restoration through a hearing, and then comply with the 10-year IID requirement as a condition of your restored license. Habitual Traffic Offender (HTO) designation under RCW 46.65 adds another layer. If you accumulate three or more DUI convictions or a combination of serious traffic offenses within five years, DOL designates you as an HTO and revokes your license for 7 years. The revocation period can be reduced to 4 years if you meet specific conditions, but HTO revocations require a formal hearing before reinstatement and carry long-term IID mandates.

IIL violations trigger immediate revocation. Common violations include failed breath tests while driving (any detectable alcohol), missed calibration appointments, tampering with the device, driving a vehicle without an approved IID installed, and attempting to start the vehicle after a failed test without waiting the required lockout period. DOL receives violation reports directly from your IID provider. The provider transmits test data, calibration records, and tamper alerts monthly. If DOL identifies a violation, they issue a notice of IIL revocation and reinstate the underlying suspension. You lose IIL privileges and return to full suspension status. Reinstatement after an IIL revocation is not automatic: you must reapply, demonstrate compliance, and may face an extended suspension period or additional IID time as a penalty. Driving without a valid IIL during the suspension period is a criminal offense under RCW 46.20.342. First-offense driving while license suspended (DWLS) in the third degree is a misdemeanor carrying up to 90 days in jail and a $1,000 fine. If the suspension is DUI-related and you are caught driving without an IID-equipped vehicle, prosecutors often charge DWLS in the second degree, a gross misdemeanor with up to 364 days in jail and a $5,000 fine. A DWLS conviction extends your suspension period and disqualifies you from IIL eligibility for a specified period. SR-22 lapses also revoke your IIL. If your insurance policy cancels or lapses for non-payment, your insurer notifies DOL electronically within 24 hours, and DOL suspends your license the same day. You cannot reinstate until you file a new SR-22 certificate and pay the reinstatement fee. Many drivers lose IIL privileges due to insurance lapses rather than IID violations. Maintaining continuous SR-22 coverage for the full three-year filing period is as critical as maintaining IID compliance.