A second DUI in Idaho
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Ten days minimum, and a year with no driving at all afterwards. Idaho keeps the second offence a misdemeanor but attaches a floor that is hard to serve around: a mandatory minimum of ten days, of which the first forty-eight hours must be consecutive and five days must actually be served in jail. The judge may assign the time to a county work detail, which is the only flexibility in it. The licence consequence is the part people underestimate — an additional mandatory minimum year of suspension after release from confinement, during which, in the statute’s own words, absolutely no driving privileges of any kind may be granted. Only after that year does the interlock route open, and from then on the person may drive only a vehicle fitted with a functioning device.
Written any number of ways — a 2nd DUI, a DUI 2nd, a 2nd offense DUI, or a second DUI in ID — and the paperwork will use none of them. Idaho charges it under a section number, and that is what decides the range below.
Grade. Misdemeanor
Confinement. Mandatory minimum ten days, first 48 hours consecutive; up to one year
Fine. Up to $2,000
Idaho Code § 18-8005 · Idaho Code § 18-8005(4)(a), (b), (e), (f) · checked 2026-09-06
The device is a separate track
Idaho separates the administrative side from the court case: the Transportation Department handles the license suspension, the reinstatement fee and the restricted driving permit, while the court sets the sentence. The interlock belongs to the administrative track — it is what makes a restricted permit possible while the suspension runs.
In Idaho the interlock term runs Length of suspension and is administered by Idaho Transportation Department, with the court setting the sentence — which is why a plea that settles the criminal case does not settle the device. What counts as a violation on it, and what an agency adds to the term, is its own arithmetic: violations and lockouts. Getting it off at the end is a procedure of its own too — removal and waivers.
Source: Idaho Transportation Department, with the court setting the sentence
Idaho DUI questions
Is there a 2nd DUI in Idaho with no jail time?
Idaho keeps the second offence a misdemeanor but attaches a floor that is hard to serve around: a mandatory minimum of ten days, of which the first forty-eight hours must be consecutive and five days must actually be served in jail. The judge may assign the time to a county work detail, which is the only flexibility in it. The licence consequence is the part people underestimate — an additional mandatory minimum year of suspension after release from confinement, during which, in the statute’s own words, absolutely no driving privileges of any kind may be granted. Only after that year does the interlock route open, and from then on the person may drive only a vehicle fitted with a functioning device.
How likely is jail time for a second DUI in ID?
Start from what the statute forces and what it leaves to the judge. The floor here is mandatory minimum ten days, first 48 hours consecutive; up to one year. Everything above that floor is argued, and the same conviction can end up served in custody, on work release or as a condition of probation depending on the county and the judge. What no one can promise you is a sentence below the statutory minimum — that is not a question of persuasion.
What is the punishment range for a 2nd DUI in Idaho?
Misdemeanor: mandatory minimum ten days, first 48 hours consecutive; up to one year, and a fine of up to $2,000. The range is set by Idaho Code § 18-8005(4)(a), (b), (e), (f), and the figures on this page come from the statute rather than from a summary of it.
Does an interlock come with it in Idaho?
Idaho separates the administrative side from the court case: the Transportation Department handles the license suspension, the reinstatement fee and the restricted driving permit, while the court sets the sentence. The interlock belongs to the administrative track — it is what makes a restricted permit possible while the suspension runs. The device requirement and the criminal penalty are separate tracks: one is handled by the court, the other by Idaho Transportation Department, with the court setting the sentence.
Other steps in Idaho: first offense penalties and when it becomes a felony penalties.
All Idaho DUI rules →Penalties across the states →Idaho DUI lawyers →Getting the license back →
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