Ignition Interlock Device (IID) in Iowa
Iowa uses the term "OWI" for impaired driving offenses. IID requirement: required for all dui offenses. First offense duration: 1 year. Monthly cost: $60-$95.
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Quick Answer
Iowa requires IID for all OWI (Operating While Intoxicated) convictions, including first offenses. The device is required for obtaining a temporary restricted license (TRL).
IID Duration by Offense
| Offense | IID Duration |
|---|---|
| 1st Offense | 1 year |
| 2nd Offense | 1 year (after the revocation period) |
| 3rd Offense | 2 years |
| 4th+ Offense | 6 years |
BAC threshold: Any OWI conviction (no BAC threshold — all offenders)
IID Cost Breakdown in Iowa
| 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 Iowa
Contact providers directly for current pricing and service center locations in Iowa. Compare at least 2-3 providers before choosing — prices and service quality vary.
Restricted License with IID
Iowa issues a temporary restricted license (TRL) with IID allowing driving to work, school, medical appointments, and treatment programs.
Tampering / Circumvention Penalties
Tampering with an IID in Iowa is a serious misdemeanor carrying up to 1 year in jail and fines. The restricted license is revoked and IID period is extended.
Early Removal
Iowa does not allow early removal of IID.
Iowa-Specific Notes
Iowa uses the term OWI (Operating While Intoxicated). The state requires IID for all offenders and has a particularly long 6-year requirement for fourth and subsequent offenses.
Frequently Asked Questions
Is an IID required for a first OWI in Iowa?
How long do I need an IID in Iowa?
How much does an IID cost in Iowa?
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