Delaware DUI Laws & Penalties (2026)
Delaware has a 10-year lookback period and escalates to felony charges on the 3rd offense. Ignition interlock can reduce license suspension time.
Delaware DUI Penalties
1st Offense
2nd Offense
BAC Limits in Delaware
💰 Estimated Total Cost
A first DUI in Delaware typically costs $10,000-$25,000+ including fines, attorney, classes, IID, and insurance increases.
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Delaware DUI Deep Dives
🚨 First Offense Penalties
Complete guide to what happens on your first DUI in Delaware.
🍺 BAC Limit
Legal BAC limits for standard, commercial, and under-21 drivers.
💰 DUI 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 DUI cost with our interactive tool.
Official Sources & References
- 📋 Del. Code tit. 21, § 4177 — Delaware DUI statute
- 🚗 Delaware 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 Delaware for advice specific to your situation.
Delaware DUI FAQ
What is the BAC limit in Delaware?
The legal BAC limit in Delaware 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 DUI in Delaware?
A first DUI in Delaware is a Misdemeanor. Penalties include Up to 6 months jail, $500–$1,500 in fines, and 12-month revocation (IID eligible at 1 month) license suspension.
Is an ignition interlock device required in Delaware?
Required for repeat offenders
Can a DUI be expunged in Delaware?
No, Delaware does not allow DUI expungement.
What is the lookback period for DUI in Delaware?
Delaware uses a 10-year lookback period to determine if an offense counts as a repeat offense.