First Offense DUI

First Offense DUI in Pennsylvania.

A first-offense DUI in Pennsylvania is not automatic — the outcome depends on your BAC, whether you refused chemical testing, and whether you qualify for ARD. Here's what you're actually facing, and how to keep this off your record.

What a first-offense DUI means in PA.

Pennsylvania groups first-offense DUI charges into three tiers under 75 Pa.C.S. § 3802, based on your blood alcohol concentration (BAC) at the time of testing. Each tier has different mandatory minimums for jail, fines, license suspension, and ignition interlock. See the full PA DUI penalties breakdown for second and third offenses.

General Impairment — BAC .08–.099

Grade
Ungraded misdemeanor
Jail
None mandatory · 6 months probation
Fine
$300
License
No license suspension
Interlock
Not required

High BAC — BAC .10–.159

Grade
Ungraded misdemeanor
Jail
48 hours – 6 months
Fine
$500 – $5,000
License
12-month suspension
Interlock
1-year interlock after reinstatement

Highest BAC / Refusal / Drugs — BAC .16+

Grade
Ungraded misdemeanor
Jail
72 hours – 6 months
Fine
$1,000 – $5,000
License
12-month suspension (18-month refusal)
Interlock
1-year interlock after reinstatement

ARD: the best outcome for most first offenders.

Accelerated Rehabilitative Disposition (ARD) is a pretrial diversion program run by each county's District Attorney. If accepted, you complete probation, alcohol highway safety school, and a CRN evaluation — and when you finish, the charges are dismissed and expunged from your public criminal record. See the full ARD program guide for eligibility, timeline, and costs.

Under Act 58 of 2025, a previously completed ARD now counts as a prior offense for future DUI sentencing — so ARD is effectively a one-shot benefit. Getting it right the first time matters.

Refusals trigger a separate suspension.

Refusing a breath or blood test triggers an automatic 12-month PennDOT civil license suspension under Pennsylvania's implied-consent law — separate from any criminal DUI penalty, and imposed even if you're acquitted. The refusal also bumps sentencing into the Highest BAC tier (72-hour mandatory minimum jail).

Refusal cases have specific defenses — the officer's warnings, the wording of the DL-26B form, and whether you actually refused (vs. couldn't comply) all matter.

Defenses to a first-offense DUI.

  • · No reasonable suspicion for the traffic stop
  • · No probable cause for arrest
  • · Improper administration of field sobriety tests
  • · Blood-draw chain-of-custody or Franks issues
  • · BAC below the charged tier (Birchfield / mouth alcohol)
  • · Rising-BAC defense (BAC lower at time of driving)
  • · Medical conditions affecting breath tests
  • · Miranda / suppression of statements

FAQ

Frequently asked questions.

Common questions about first-offense DUI charges, ARD, license suspension, and defense in Pennsylvania.

  • It depends on the BAC tier. A general-impairment first offense (BAC .08–.099) carries no mandatory jail — only 6 months of probation. A High BAC first offense (.10–.159) carries a 48-hour mandatory minimum. A Highest BAC, refusal, or controlled-substance first offense carries a 72-hour mandatory minimum. Many first-time defendants avoid jail entirely through ARD.

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