Charged with a second DWI in Texas?The penalties step up. The defense gets sharper. Call a former police officer.
A second DWI in Texas is a Class A misdemeanor under Tex. Penal Code § 49.09(a) — up to 1 year in county jail and a $4,000 fine. Driver’s license suspensions run longer. Bond conditions are tighter. The State assumes the case is more serious because the prior conviction is on the record. That assumption is also the defense’s leverage point.
Same conduct. Higher classification. Bigger penalties.
A second DWI in Texas is charged under Tex. Penal Code § 49.09(a), which enhances a first-offense Class B misdemeanor to a Class A misdemeanor when the State proves a prior DWI conviction. The change in classification matters: the maximum jail term doubles from 180 days to 1 year, the maximum fine doubles from $2,000 to $4,000, the license suspension range extends, and the bond conditions tighten.
The State’s case is also structurally different. Prosecutors view a second DWI as proof of pattern, not aberration. Plea offers reflect that. Probation conditions almost always include mandatory ignition interlock under Tex. Code Crim. Proc. art. 42A.408 and alcohol education. The minimum confinement term applicable on community supervision rises to 5 days for a second offense under art. 42A.401(a).
What the State must prove for the second-offense enhancement:
- The driver was intoxicated as defined in Tex. Penal Code § 49.01(2)
- The driver operated a motor vehicle in a public place
- The driver has a prior DWI conviction that was final at the time of the new offense
- The prior conviction is not so old or so legally defective that it cannot be used for enhancement
That last element — the prior conviction’s validity — is often where second-DWI defense begins.
Side-by-side comparison.
Class B Misdemeanor
Tex. Penal Code § 49.04(a)
- Jail72 hours to 180 days county jail
- FineUp to $2,000
- License Suspension90 days to 1 year
- Min Confinement on Probation72 hours (Tex. Code Crim. Proc. art. 42A.401)
- Ignition InterlockDiscretionary unless BAC 0.15+
Class A Misdemeanor
Tex. Penal Code § 49.09(a)
- Jail30 days to 1 year county jail
- FineUp to $4,000
- License Suspension180 days to 2 years
- Min Confinement on Probation5 days (Tex. Code Crim. Proc. art. 42A.401)
- Ignition InterlockMandatory on probation (art. 42A.408)
A third or subsequent DWI under § 49.09(b)(2) becomes a third-degree felony — 2 to 10 years in the Texas Department of Criminal Justice, fine up to $10,000.
How a second DWI is defended.
Every second-DWI defense begins with the same procedural attack as a first DWI: the lawfulness of the stop, the administration of SFSTs, the foundation for breath or blood evidence. Those issues do not change because there is a prior conviction on the record. If the underlying second DWI fails, the enhancement fails with it.
What changes is the added defense angle around the prior conviction itself. The State must use a final, valid prior to enhance. That requirement creates additional issues to investigate.
Is the prior conviction final?
A prior DWI cannot enhance if it is on appeal, set aside, or otherwise not final at the time of the new offense.
Was the prior plea entered with counsel?
An uncounseled prior DWI plea may not satisfy due process requirements for enhancement use under Burgett and progeny.
Was the underlying stop lawful?
Fourth Amendment analysis of reasonable suspicion. A bad stop suppresses everything that follows — including the SFSTs and any breath or blood evidence.
Were SFSTs properly administered?
HGN, walk-and-turn, and one-leg stand have NHTSA-mandated protocols. Deviations from protocol affect reliability as evidence of intoxication.
Breath and blood test methodology
Chain of custody, machine maintenance, lab methodology. Gas chromatography results require proper foundation under Tex. R. Evid. 702 and 901.
Is reduction or deferral available?
Negotiated reductions to obstruction of a highway under Tex. Penal Code § 42.03 remain possible in second-DWI cases when defense leverage justifies them.
The 15-day ALR clock applies the same as the first time.
A second DWI arrest can trigger the Administrative License Revocation process under Tex. Transp. Code Ch. 524. In refusal and breath-failure cases the deadline to request an ALR hearing is 15 days from the Notice of Suspension; in blood-draw cases a 20-day deadline applies from the mailed notice if the result returns at 0.08 or higher. The ALR suspension period is longer for a second refusal (2 years under § 724.035) and the underlying license suspension on conviction also runs longer. Acting quickly on the ALR side preserves driving privileges through the criminal case.
Defense built from inside the law enforcement system.
Attorney Kenneth V. Mitchell spent 13 years as a Texas police officer before becoming a DWI defense attorney — including service in the Hit and Run and Vehicular Crimes Division of the Houston Police Department. He has personally conducted traffic stops, administered Standardized Field Sobriety Tests, and built DWI cases from the law enforcement side.
For a second DWI, that experience matters more. Second-offense defense requires cross-examination of the arresting officer about prior-conviction predicates, SFST administration, and the procedural foundation for the case. Kenneth has worked both sides of that examination. He uses that operational knowledge to identify weaknesses that other defense lawyers miss.
A third DWI is a third-degree felony under Tex. Penal Code § 49.09(b)(2) — 2 to 10 years in prison. See felony DWI defense.
The State sees a pattern. The defense sees an opportunity.
A second DWI is more serious — but it is also defended more aggressively. Every procedural issue available in the first case is still available in the second, plus the added angle of attacking the prior conviction’s validity for enhancement use.
Free, confidential case review. Flat-fee DWI defense across Harris, Montgomery, and Galveston Counties. Kenneth reviews every second-DWI inquiry personally.