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The DUI laws of the State of Idaho prohibit the following:
  • Drivers under the age of 21 operating a motor vehicle with blood alcohol content (“BAC”) of 0.02 or higher;
  • Drivers of any age operating a motor vehicle with BAC of 0.08 or higher; and
  • Drivers operating a commercial vehicle with BAC of 0.04 or higher.

Penalties for a DUI conviction in Idaho include, but are not limited to, the following:

First DUI Conviction

  • For a first DUI conviction in Idaho, the offenders will face jail time up to 6 months.  First-time DUI offenders in Idaho will also face fines up to $1,000 and drivers’ license suspension ranging from 90 days to 180 days.  First-time offenders may apply for restricted license after 30 days and may also be required to go through alcohol treatment program at the driver’s own expense.  

Second DUI Conviction

  • For a second DUI conviction in Idaho, the offenders will face mandatory jail time of 10 days and can be jailed up to a year.  Second-time offenders will also face fines up to $2,000 and mandatory minimum license suspension of one year.  After the one-year license suspension, drivers will be required to install Ignition Interlock Device in their vehicles.  Drivers will also be ordered to complete community service and alcohol treatment.

Third DUI Conviction

  • A third DUI conviction in Idaho is a felony and not a misdemeanor.  Third-time offenders will face mandatory minimum jail time of 30 days and maximum jail time of 5 years.  In addition, third-time DUI offenders in Idaho will face fines up to $5,000 and mandatory license suspension of 1 year and up to 5 years.  If offenders are permitted to obtain a license after the mandatory 1 year suspension, they will be required to install Ignition Interlock Device in their vehicle.  Third-time offenders will also be ordered to complete community service and alcohol treatment program at the drivers’ own expense.

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Idaho DUI Laws Summary

Idaho law indicates that any individual whose blood alcohol content is .08%, or above, is considered to be DUI and may receive an immediate notice of license suspension by the arresting officer.  A first offense, which is defined within a 5 year period, carries a fine of up to $1,000.00 and two days to six months of incarceration.  A first time offender will generally receive a 180 suspension of his/her license with the possibility of obtaining a restricted license after the first 30 days.

Each DUI offender must undergo an alcohol evaluation in order to determine the extent, if any, of their addiction. They are also required to follow any recommendations, which are ordered by the court, as a result of the evaluation.  In addition, the offender may be placed on one to two years of supervised probation.

Following the arrest, every DUI offender must request a hearing within seven days or face an automatic license suspension for a minimum of 30 days regardless of whether or not the offender pleads, or is found, guilty of DUI.  If anyone should refuse to adhere to a roadside blood alcohol content test, they will be subject to an automatic suspension of driving privileges for a minimum of five months unless a hearing is requested within seven days of the incident.

Following a guilty verdict or an admission of the guilt, the majority of insurance companies will increase their rates dramatically or, in some cases, may even drop the offender’s coverage altogether.  If this should occur, the driver is labeled as “high risk” and may find it difficult to find another insurance company who is willing to offer them a new policy.  In the event that another insurance company is willing to accept the driver, their rates will likely be very high for the amount of coverage offered solely because of the DUI on the offender’s driving record.

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