Second/Third - David Smith Law Firm, PLLC

Houston Second/Third DWI Lawyer & Defense Attorney

Board Certified DWI Defense Attorney for Second and Third DWI Offenses in Houston

A DWI arrest in Texas starts two separate clocks simultaneously. The criminal case and the administrative fight to save your licence and you have only 15 days from your arrest date to request an ALR hearing. Miss that window and your driving privileges are suspended automatically regardless of what happens in court. The decisions you make in the first 48 hours matter more than any other stage of your case.

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A second DWI in Texas is no longer treated as a mistake. It is treated as a pattern. The charge escalates to a Class A misdemeanor carrying mandatory minimum jail time you must serve at least 30 days. Fines reach up to $4,000. Licence suspension extends to two years if the ALR hearing is not contested and won. Unlike a first offense, deferred adjudication is not available and the Texas Second Chance Law does not apply. The options that existed on your first offense are gone.

A third DWI is an automatic third-degree felony under Texas Penal Code Section 49.09. Texas has no look-back period a conviction from 15 or 20 years ago counts the same as one from last year. Even if the court grants probation, a minimum 10 days in jail is mandatory. A felony conviction means loss of voting rights, loss of firearm rights, and a permanent record that affects employment, housing, and professional licences for the rest of your life.

What Changes When You Face a Second or Third DWI in Texas

Repeat DWI cases are prosecuted differently. Prosecutors are more aggressive. Judges show less leniency. The evidence threshold that would have supported a negotiated outcome on a first offense may not produce the same result on a second or third. Understanding exactly what the state must prove — and where that proof can be challenged — requires an attorney who has seen these cases from the prosecution side.

Second DWI specific points:

  • The mandatory 30-day minimum jail sentence applies on conviction, even probation has mandatory jail time as a condition.
  • Blood and breath test evidence is challenged using the same science as a first offense — calibration records, chain of custody, rising BAC, health conditions and medications affecting results
  • Field sobriety tests must still meet standardised protocols — an officer who failed to follow proper procedure creates defensible evidence regardless of your prior conviction
  • The ALR hearing for a second offense is more consequential — lose it and the suspension is two years, not 90 days

Third DWI specific points:

  • The state must prove the prior convictions at trial — attacking the validity of prior DWI convictions is a legitimate and often effective strategy
  • Even a felony charge can be challenged on the traffic stop, the evidence, and constitutional violations
  • Plea negotiation is still possible — the goal is always the best available outcome, whether through dismissal, reduction, or the most favourable sentence available
  • Expert toxicology witnesses can challenge the blood and breath evidence the state relies on even in a felony DWI case

Ignition Interlock Devices in Texas: What DWI Clients Need to Know

As part of a DWI sentence or plea agreement in Texas, courts frequently order the installation of an Ignition Interlock Device (IID) , a breath-testing instrument connected to your vehicle’s ignition that requires a clean breath sample before the engine will start. For clients in the Greater Houston area, David Smith Law Firm has arranged access to SmartStart IID services, including a free first month for qualifying clients.

Choosing a reliable IID provider matters. Non-compliance with IID requirements including missed calibration appointments or tampered devices can result in additional criminal penalties or probation violations. SmartStart provides 24/7 support and is available across Houston and Harris County.

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Consultation
2
Date & time
3
Your details
Choose consultation
Initial Consultation — Online
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Initial Consultation — In Office
1 hr · David Smith
Existing Client Case Status — Phone Call
15 mins · Kacie Lacina
Existing Client Evidence Review — In Office
1 hr · David Smith
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