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Texas DWI Laws: Penalties, BAC Limit & License (2026)

Independently fact-checked against primary sources (last audited August 18, 2026). · Reviewed by the RecordingLaw editorial team. · Law checked current as of August 18, 2026. · 7 primary sources cited on this page. How we verify our legal content

Texas DWI Laws: Penalties, BAC Limit & License (2026)

Frequently Asked Questions

What is the BAC limit in Texas?

The per se limit is 0.08 percent BAC under Penal Code 49.01 and 49.04. Commercial drivers are limited to 0.04 percent, and drivers under 21 face a zero-tolerance rule under Alcoholic Beverage Code 106.041 that bars any detectable amount of alcohol.

How long do you lose your license for a first DWI in Texas?

A first DWI conviction can mean a suspension of up to one year. Separately, the DPS administrative license revocation suspends the license for 90 days if you failed the test or 180 days if you refused it, even before any conviction.

Is a first DWI a felony in Texas?

Usually not, but it can be. A first DWI is normally a Class B misdemeanor, or a Class A misdemeanor if the BAC was 0.15 percent or higher. With no prior conviction it is a state jail felony if the driver was operating in a school crossing zone during the reduced speed limit hours under Penal Code 49.04(e), or had a passenger younger than 15 under Penal Code 49.045. DWI also becomes a third-degree felony on the third offense, or sooner if it causes serious injury or death.

Do you need an interlock for a first DWI in Texas?

Not always. The court may order an ignition interlock as a condition of bond or probation, and it is effectively required for a first offense with a BAC of 0.15 percent or more, for repeat offenders, and to obtain an occupational license while suspended.

What happens if you refuse a breathalyzer in Texas?

Under implied consent, refusing the test triggers a 180-day administrative license suspension on a first arrest, twice the 90-day suspension for failing the test. Officers can also obtain a warrant for a blood draw, and the refusal can be used as evidence.

How long does a DWI stay on your record in Texas?

A DWI conviction stays on your criminal record permanently unless it is sealed through an order of nondisclosure. For felony enhancement, Texas has no look-back period, so a prior DWI counts no matter how many years have passed.

Can you get a DWI expunged in Texas?

A full expunction is generally available only if the DWI was dismissed or you were acquitted. A first DWI conviction cannot be expunged, but it may be sealed through an order of nondisclosure under Government Code 411.0731 or 411.0736 if you meet the eligibility rules.

What is the look-back period for DWI in Texas?

Texas has no general look-back period for felony DWI enhancement. The former 10-year washout was repealed in 2005, so under Penal Code 49.09 prior DWI convictions count toward a felony regardless of how long ago they occurred.

Facing a warrant, DUI, or criminal charge in Texas? Get a free case review

An active warrant or a criminal charge like DUI puts your freedom, license, and record at risk, and deadlines to act, like challenging a license suspension or resolving a warrant before an arrest, can be just days away. Get a free, confidential review from a Texas criminal defense attorney. Acting quickly protects your options.

Updates

Corrected the felony framing: a first Texas DWI is a state jail felony with no prior conviction if it happens in a school crossing zone (Penal Code 49.04(e), effective September 1, 2025) or with a passenger younger than 15 (Penal Code 49.045); also added the 30-day statutory minimum for a second DWI and corrected the 0.15 percent BAC bar, which blocks record sealing under both nondisclosure pathways rather than only the no-probation one.

Independently fact-checked against the cited primary sources; governing law re-checked for recent changes

Governing law re-checked for recent changes

Reviewed and approved by an editor

Sources and References

  1. Texas Penal Code Chapter 49, DWI offense, intoxication definition (0.08%), and felony enhancement (49.04, 49.09)(statutes.capitol.texas.gov).gov
  2. Texas Alcoholic Beverage Code 106.041, under-21 zero-tolerance DWI (any detectable alcohol)(statutes.capitol.texas.gov).gov
  3. TxDOT, impaired driving penalties (first, second, and third DWI)(txdot.gov).gov
  4. Texas DPS, Administrative License Revocation (ALR) program and refusal/failure suspensions(dps.texas.gov).gov
  5. Texas DPS, alcohol-related driver license offenses and interlock-restricted license(dps.texas.gov).gov
  6. Texas Office of Court Administration, overview of orders of nondisclosure (DWI sealing under 411.0731/411.0736)(txcourts.gov).gov
  7. NHTSA, drunk driving and the 0.08% federal BAC standard(nhtsa.gov).gov
  8. Texas Government Code 411.0731 and 411.0736, orders of nondisclosure for DWI, including the Penal Code 49.04(d) carve-out that excludes 0.15%+ offenses from both pathways(tcss.legis.texas.gov)
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