Ignition Interlock Device (IID) in Louisiana
Louisiana uses the term "DWI" for impaired driving offenses. IID requirement: required for all dui offenses. First offense duration: 12 months. Monthly cost: $60-$100.
Last updated:
Quick Answer
Louisiana requires IID for all DWI convictions, including first offenses. The device is required as a condition of receiving a hardship license or restricted driving privileges.
IID Duration by Offense
| Offense | IID Duration |
|---|---|
| 1st Offense | 12 months |
| 2nd Offense | 24 months |
| 3rd Offense | 36 months |
| 4th+ Offense | Lifetime IID requirement |
BAC threshold: Any DWI conviction (no BAC threshold — all offenders)
IID Cost Breakdown in Louisiana
| Item | Cost | Notes |
|---|---|---|
| Installation | $70-$150 | One-time fee. Takes about 1 hour. |
| Monthly Lease + Monitoring | $60-$100/mo | Includes device lease and monitoring. |
| Calibration | $25-$65 | Every 30 days. |
| Removal | $50-$100 | One-time fee when IID period ends. |
| Estimated Total (6 months) | $480-$850 | Install + 6 months lease + removal. |
| Estimated Total (12 months) | $840-$1,450 | Install + 12 months lease + removal. |
One-time
Lease + monitoring
Every 30 days
One-time
All-in estimate
All-in estimate
Approved IID Providers in Louisiana
Contact providers directly for current pricing and service center locations in Louisiana. Compare at least 2-3 providers before choosing — prices and service quality vary.
Restricted License with IID
Louisiana issues a hardship license with IID for essential driving to work, school, and medical appointments.
Tampering / Circumvention Penalties
Tampering with an IID in Louisiana carries additional fines, jail time, and extension of the IID period. Repeat tampering may result in felony charges.
Early Removal
Louisiana does not allow early removal. Fourth or subsequent offenders face a lifetime IID requirement.
Louisiana-Specific Notes
Louisiana has a lifetime IID requirement for fourth and subsequent DWI offenders — one of the harshest in the nation. The state also requires IID calibration every 30 days, more frequently than most states.
Frequently Asked Questions
Is an IID required for a first DWI in Louisiana?
How long do I need an IID in Louisiana?
How much does an IID cost in Louisiana?
Related Louisiana Guides
Related Resources on This Site
More for your state
- HousingSecond chance apartments in New Orleans, LA
- ExpungementLouisiana expungement guide
- Voting RightsFelon voting rights in Louisiana
- Gun RightsFelon gun rights in Louisiana
- DUI RecoveryDUI license recovery in Louisiana
- ProbationProbation & parole in Louisiana
- SR22 InsuranceSR22 insurance in Louisiana
- License ReinstatementLicense reinstatement in Louisiana
Helpful guides
- Safety & ProtectionFinancial independence for DV survivors
- ToolsSecond Chance Pathfinder — personalized action plan
- ProbationProbation violation lawyer guide
- TransportationFirst DUI offense — what to expect