Ignition Interlock Rules in Washington

First Offense in Washington

Yes. The court must order an ignition interlock on every DUI conviction, and DOL restricts you to interlock-equipped vehicles for at least 1 year after a first restriction

Official source: first offense (Washington)

Repeat Offenses in Washington

At least 5 years after a prior restriction, and at least 10 years after two prior restrictions

Official source: repeat offenses (Washington)

How the Program Works in Washington

The device's set point is 0.020. Before removal, the vendor must certify 180 consecutive days with no failed starts at 0.04 or more, missed or failed random tests, missed service appointments, or unauthorized removal. Driving without the device or tampering adds 180 days. Time with the device under an ignition interlock license counts day for day

Official source: how the program works (Washington)

More on DUI Law in Washington

See the full overview of DUI laws in Washington and read about how ignition interlock programs work.

• Washington DUI Penalties: First, Second and Third Offense
• DUI License Suspension in Washington: Hearing Deadline and Hardship License
• SR-22 Insurance After a DUI in Washington
• Can a DUI Be Expunged in Washington?
• Refusing a Breath or Blood Test in Washington

Frequently Asked Questions