Iowa DUI Penalties — Fines, Jail & Probation
Common consequences to discuss with counsel.
First offense §321J.2
A first OWI in Iowa is classified as a serious misdemeanor.
- Jail: 48 hours minimum to 1 year maximum
- Fine: $625 to $1,250
- License suspension: 180 days; 1 year if BAC ≥ 0.15 or refusal
- Substance abuse program: substance abuse evaluation, recommended treatment, and drinking drivers course required
- Community service: court may order community service in lieu of fine
- Probation: available
Second offense
- Jail: 7 days minimum to 2 years maximum
- Fine: $1,875 to $6,250
- License suspension: 1 year (failed test); 2 years (refusal)
Third and subsequent offenses
- Jail/prison: 30 days minimum to 5 years maximum
- Fine: $3,125 to $9,375
- License suspension: 6 years
- Felony threshold: third offense is a Class D felony
Penalty comparison by offense tier
| Offense | Jail Range | Fine Range | License Suspension | |
|---|---|---|---|---|
| First OWI | 48 hours–1 year §321J.2 | $625–$1,250 §321J.2 | 180 days; 1 year if BAC ≥ 0.15 or refusal §321J.2 | |
| Second OWI | 7 days–2 years §321J.2 | $1,875–$6,250 §321J.2 | 1 year (failed test); 2 years (refusal) §321J.2 | |
| Third OWI | 30 days–5 years §321J.2 | $3,125–$9,375 §321J.2 | 6 years §321J.2 |
Lookback period
Iowa uses a 12 years Lookback period to determine how prior offenses affect sentencing. Only OWI convictions within this window count toward the escalating penalty tiers.
Enhanced penalties for aggravating factors
- BAC ≥ 0.15 (longer revocation, ineligible for deferred judgment)
- Prior offenses within lookback period
What these penalties mean in practice
Mandatory minimums cannot be suspended or reduced by the judge — they must be served. Fines do not include surcharges, court costs, and program fees, which can substantially increase the total financial impact. License suspension affects employment, insurance rates, and daily logistics.
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Frequently Asked Questions
General answers to common questions. Specific outcomes depend on your facts and timing.
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