Ignition Interlock Device (IID) in Kentucky
Kentucky uses the term "DUI" for impaired driving offenses. IID requirement: required for high bac or repeat offenses. First offense duration: 6 months (only if BAC 0.15%+; not required for standard first offense). Monthly cost: $60-$95.
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Quick Answer
Kentucky requires IID for DUI convictions with BAC of 0.15% or higher on first offense. IID is mandatory for all second and subsequent DUI offenses regardless of BAC level.
IID Duration by Offense
| Offense | IID Duration |
|---|---|
| 1st Offense | 6 months (only if BAC 0.15%+; not required for standard first offense) |
| 2nd Offense | 12 months |
| 3rd Offense | 30 months |
| 4th+ Offense | 60 months (5 years) |
BAC threshold: 0.15% BAC for first offense; all repeat offenses
IID Cost Breakdown in Kentucky
| Item | Cost | Notes |
|---|---|---|
| Installation | $70-$150 | One-time fee. Takes about 1 hour. |
| Monthly Lease + Monitoring | $60-$95/mo | Includes device lease and monitoring. |
| Calibration | $25-$65 | Every 60 days. |
| Removal | $50-$100 | One-time fee when IID period ends. |
| Estimated Total (6 months) | $480-$820 | Install + 6 months lease + removal. |
| Estimated Total (12 months) | $840-$1,390 | Install + 12 months lease + removal. |
One-time
Lease + monitoring
Every 60 days
One-time
All-in estimate
All-in estimate
Approved IID Providers in Kentucky
Contact providers directly for current pricing and service center locations in Kentucky. Compare at least 2-3 providers before choosing — prices and service quality vary.
Restricted License with IID
Kentucky allows a hardship license with IID for work and essential driving.
Tampering / Circumvention Penalties
Tampering with an IID in Kentucky is a Class A misdemeanor. Penalties include up to 12 months in jail and fines. The IID requirement period is extended.
Early Removal
Kentucky does not allow early removal.
Kentucky-Specific Notes
Kentucky has long IID requirements for repeat offenders — up to 5 years for a fourth offense. The state's aggravated DUI threshold (0.15%) triggers IID for first offenders.
Frequently Asked Questions
Is an IID required for a first DUI in Kentucky?
How long do I need an IID in Kentucky?
How much does an IID cost in Kentucky?
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