Felony DUI in Washington: Fourth Offense and IIL Restrictions

Washington law classifies a fourth DUI within ten years as a Class B felony under RCW 46.61.5055. The ten-year window counts from arrest date to arrest date, not conviction dates. A driver arrested today for their fourth DUI faces felony charges if three prior DUI arrests occurred anytime in the preceding 120 months, even if one or more prior cases are still pending. Felony DUI carries a mandatory minimum 13-month prison sentence, a four-year license revocation by the Department of Licensing (DOL), and a permanent criminal record. The court cannot suspend the revocation period or reduce it. The DOL revocation runs separately from any administrative suspension triggered by the arrest itself, and the longer period controls. Most fourth-offense drivers assume felony status closes the Ignition Interlock License (IIL) pathway entirely. Washington law does not prohibit felony DUI offenders from applying for an IIL. The application window opens immediately upon revocation, provided the driver has no outstanding revocations from other causes and no prior IID compliance violations on record.

The Ignition Interlock License under RCW 46.20.385 allows unrestricted driving anywhere, anytime, in any vehicle equipped with a DOL-approved ignition interlock device. No route restrictions apply. No time-of-day restrictions apply. The only condition: every vehicle the driver operates must have a functioning, properly calibrated IID installed. To apply, the driver submits a completed IIL application to the DOL along with proof of IID installation from a DOL-approved provider, an SR-22 insurance filing, and the $100 application fee. The DOL processes applications within 10 to 15 business days in most cases. If no disqualifying revocations exist and the documentation is complete, the IIL is issued. The IID requirement for felony DUI lasts ten years minimum under RCW 46.20.720. During that period, any violation—failed start test, tampering, removal of device, driving an unequipped vehicle—triggers automatic IIL revocation and extends the total IID requirement period. Most felony offenders who lose IIL eligibility lose it through device violations, not through criminal re-offense.

Washington DOL maintains a compliance history for every driver who has held an IIL or had an IID requirement. A driver with three prior DUI arrests has likely held an IIL at least once before, and many have accumulated violation records: missed monthly calibrations, failed start attempts not immediately reported, or brief lapses in device coverage between vehicles. Any prior IID violation on record makes a fourth-offense IIL application significantly harder. The DOL reviews the full compliance history before approving a felony DUI applicant. Drivers with clean IID records from prior suspensions are approved. Drivers with tampering flags, missed calibrations, or unexplained removal periods are often denied or placed on probationary status requiring weekly monitoring reports. The denial notice does not always specify which violation triggered the rejection. Most drivers discover the problem only after submitting the $100 application fee and waiting two weeks for a response. There is no automatic appeal pathway for IIL denials; the driver must resolve the underlying violation or wait until the four-year revocation period ends to apply for full reinstatement.

Washington requires an SR-22 filing for three years following any DUI conviction. The three-year period begins the day the driver files SR-22, not the day of arrest or conviction. For a felony DUI offender applying for an IIL immediately, the SR-22 clock starts the day DOL receives the filing from the insurance carrier. SR-22 filing costs $15 to $50 as a one-time carrier processing fee. The premium increase is the real cost. Felony DUI offenders pay $200 to $350 per month for liability coverage during the filing period, depending on age, county, and prior claims history. Non-owner SR-22 policies (for drivers who do not own a vehicle) cost $50 to $90 per month but do not allow vehicle operation—non-owner SR-22 satisfies the filing requirement but does not permit IIL issuance, because the IIL requires proof of IID installation in a specific vehicle. The total three-year SR-22 cost ranges from $7,200 to $12,600 for owned-vehicle policies, or $1,800 to $3,240 for non-owner policies if the driver is not applying for an IIL. Most felony offenders must maintain the owned-vehicle SR-22 policy to keep the IIL active, even if they rarely drive.

DOL-approved IID providers in Washington charge $100 to $150 for initial installation and $75 to $100 per month for device lease, data downloads, and calibration. The provider must certify installation to DOL within three business days, or the IIL application is delayed. Monthly calibration is mandatory. The device logs every start attempt, failed test, and bypass attempt. The provider uploads this data to DOL at each calibration appointment. A driver who skips calibration for 30 days triggers an automatic compliance alert; 60 days triggers IIL suspension; 90 days triggers IIL revocation. Over ten years, the minimum IID requirement period for felony DUI, total device costs reach $9,000 to $12,000 even with no violations. Most drivers violate at least once during that period—often unintentionally, by driving a borrowed vehicle without an IID or by missing a calibration during travel. Each violation restarts the ten-year clock.

Washington felony DUI offenders who do not apply for an IIL or who lose IIL eligibility must serve the full four-year revocation period. After four years, the driver may apply for full license reinstatement by submitting proof of completed alcohol treatment, passing the DOL knowledge and driving tests, paying the $170 reinstatement fee, and filing SR-22 insurance. The treatment requirement is non-negotiable. Washington courts order Alcohol/Drug Information School (DIS) or inpatient treatment as part of the felony sentence. DOL will not process reinstatement without proof of completion. Most felony offenders complete treatment while incarcerated or immediately after release. The $170 reinstatement fee is in addition to any court fines, restitution, or probation fees. The fee is non-refundable even if the reinstatement application is denied for missing documentation. Drivers applying for reinstatement after a felony DUI revocation should verify all documentation is complete before submitting payment.

Driving while license revoked in the first degree (DWLR1) is a gross misdemeanor in Washington under RCW 46.20.342. A felony DUI offender caught driving during the four-year revocation without an active IIL faces up to 364 days in jail and a $5,000 fine. The conviction adds another year to the revocation period. Washington State Patrol and local law enforcement run license status checks on every traffic stop. A revoked status triggers immediate vehicle impound and arrest in most jurisdictions. The impound fee starts at $200; storage costs $50 per day. Most drivers lose the vehicle permanently if they cannot pay impound and storage within 15 days. DWLR1 convictions cannot be expunged in Washington if the underlying revocation was DUI-related. The conviction remains on the driver's criminal record permanently and is visible to employers, landlords, and insurance carriers indefinitely.