Iowa OWI Laws & Penalties (2026)
Iowa uses the term OWI and has a 12-year lookback period. All OWI convictions require ignition interlock device installation.
Iowa OWI Penalties
1st Offense
2nd Offense
BAC Limits in Iowa
💰 Estimated Total Cost
A first OWI in Iowa typically costs $10,000-$25,000+ including fines, attorney, classes, IID, and insurance increases.
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Iowa OWI Deep Dives
🚨 First Offense Penalties
Complete guide to what happens on your first OWI in Iowa.
🍺 BAC Limit
Legal BAC limits for standard, commercial, and under-21 drivers.
💰 OWI Cost
Full cost breakdown: fines, attorney, classes, insurance, and more.
🔧 Ignition Interlock Cost
IID installation, monthly fees, and provider comparison.
🚫 License Suspension
Suspension length, restricted license options, and reinstatement steps.
🧮 Cost Calculator
Estimate your total OWI cost with our interactive tool.
Official Sources & References
- 📋 Iowa Code § 321J.2 — Iowa OWI statute
- 🚗 Iowa DMV — License suspension, reinstatement, IID requirements
- 📊 NHTSA Impaired Driving Data
- 🛡️ MADD — Mothers Against Drunk Driving
DUIFinders.com is not a law firm and does not provide legal advice. Information is for general purposes only. Consult a licensed attorney in Iowa for advice specific to your situation.
Iowa OWI FAQ
What is the BAC limit in Iowa?
The legal BAC limit in Iowa is 0.08% for regular drivers, 0.04% for commercial drivers, and 0.02% for drivers under 21.
What are the penalties for a first OWI in Iowa?
A first OWI in Iowa is a Serious misdemeanor. Penalties include 48 hours–1 year jail, $1,250 in fines, and 180-day revocation license suspension.
Is an ignition interlock device required in Iowa?
Required for all offenses
Can a OWI be expunged in Iowa?
No, Iowa does not allow OWI expungement.
What is the lookback period for OWI in Iowa?
Iowa uses a 12-year lookback period to determine if an offense counts as a repeat offense.