Ignition Interlock Device (IID) in Washington
Washington uses the term "DUI" for impaired driving offenses. IID requirement: required for all dui offenses. First offense duration: 1 year. Monthly cost: $65-$100.
Last updated:
Quick Answer
Washington requires IID for all DUI convictions, including first offenses. The device is mandatory for license reinstatement and for obtaining an IID-restricted license.
IID Duration by Offense
| Offense | IID Duration |
|---|---|
| 1st Offense | 1 year |
| 2nd Offense | 5 years |
| 3rd Offense | 10 years |
| 4th+ Offense | 10 years or longer |
BAC threshold: Any DUI conviction (no BAC threshold — all offenders)
IID Cost Breakdown in Washington
| Item | Cost | Notes |
|---|---|---|
| Installation | $70-$150 | One-time fee. Takes about 1 hour. |
| Monthly Lease + Monitoring | $65-$100/mo | Includes device lease and monitoring. |
| Calibration | $25-$75 | Every 60 days. |
| Removal | $50-$100 | One-time fee when IID period ends. |
| Estimated Total (6 months) | $510-$850 | Install + 6 months lease + removal. |
| Estimated Total (12 months) | $900-$1,450 | Install + 12 months lease + removal. |
One-time
Lease + monitoring
Every 60 days
One-time
All-in estimate
All-in estimate
Approved IID Providers in Washington
Contact providers directly for current pricing and service center locations in Washington. Compare at least 2-3 providers before choosing — prices and service quality vary.
Restricted License with IID
Washington issues an IID-restricted license allowing driving with the device installed. The license has no destination restrictions — you can drive anywhere.
Tampering / Circumvention Penalties
Tampering with an IID in Washington is a gross misdemeanor carrying up to 364 days in jail and a $5,000 fine.
Early Removal
Washington does not allow early removal.
Washington-Specific Notes
Washington has very long IID requirements for repeat offenders: 5 years for second offense and 10 years for third. These are among the longest in the nation. The IID-restricted license allows unrestricted driving (no destination limits).
Frequently Asked Questions
Is an IID required for a first DUI in Washington?
How long do I need an IID in Washington?
How much does an IID cost in Washington?
Related Washington Guides
Related Resources on This Site
More for your state
- HousingSecond chance apartments in Seattle, WA
- ExpungementWashington expungement guide
- Voting RightsFelon voting rights in Washington
- Gun RightsFelon gun rights in Washington
- DUI RecoveryDUI license recovery in Washington
- ProbationProbation & parole in Washington
- SR22 InsuranceSR22 insurance in Washington
- License ReinstatementLicense reinstatement in Washington
Helpful guides
- ToolsSecond Chance Pathfinder — personalized action plan
- ProbationProbation drug testing — what to expect
- TransportationHow much does a DUI cost?
- Background ChecksHow much does a background check cost?