How to Get a DWI Dismissed in Texas

How to Get a DWI Dismissed in Texas

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A DWI charge is not a conviction. In Texas, DWI cases get dismissed every day — in Travis County, in Williamson County, and in courts across central Texas. The path to dismissal is not luck. It is preparation, legal knowledge, and knowing exactly where to look.

David White has been defending DWI cases in Austin for 22 years. This page explains the real defenses that produce real dismissals — not generalizations, but the specific legal arguments that have worked in these courts.

Where Every DWI Defense Starts

When I review a new DWI case, the first thing I look at is the reason for the stop or detention. Law enforcement has to have reasonable suspicion that a crime has been committed or that a law has been broken to stop or detain someone. That standard is not as easy to meet as most people assume.

You were swerving just a bit? Not enough. You exited from a highway without signaling? Not enough. You were just sitting in a parking lot minding your own business in a public area? Not enough.

If the stop or detention cannot be legally justified, everything that follows is tainted. The field sobriety tests, the blood draw, the statements — none of it comes in. When the evidence is suppressed, the State has nothing left to prosecute. The case gets dismissed.

This is not a technicality. It is the Fourth Amendment working exactly as it was designed to work.

A 2025 Williamson County ALR Win — Detention in a Parking Lot

ALR hearings — Administrative License Revocation hearings — are won on the merits rarely. Most attorneys request the hearing to delay the suspension and lock in officer testimony. Actually winning the hearing and saving the client’s license requires proving the officer violated the law.

Taylor Kacir, our Georgetown office attorney, recently won an ALR hearing on the merits when she contested our client’s detention for merely sitting in his vehicle in a Georgetown parking lot in the early evening. The Administrative Law Judge ruled the officer did not possess reasonable suspicion for the detention.

That ruling saved our client’s license. It also set the precedent to get the underlying DWI dismissed in Williamson County.

One parking lot. One officer without legal justification for the stop. Two wins — the ALR and the criminal case.

This is what it looks like when the first question — was the stop legal? — gets the right answer.

The Defenses That Get Texas DWI Cases Dismissed

Unlawful Traffic Stop

The most powerful DWI defense in Texas. If the officer lacked reasonable suspicion for the traffic stop or the initial contact, everything discovered during that stop can be challenged. Body camera footage and dashcam video frequently contradict the officer’s written report.

Officers claim weaving, failure to signal, or erratic driving. The video shows something different. When the video wins that argument, the stop falls apart and the evidence goes with it.

Common stops that lack reasonable suspicion:

• Weaving within a lane without crossing lane markers
• Exiting a highway without signaling when no other vehicles are affected
• Being parked or stationary in a public area
• Driving slowly in a parking lot at night
• Being flagged by an anonymous tip without corroboration
• Minor equipment violations noticed only after the stop was already initiated

Unlawfully Prolonged Detention

Under Rodriguez v. United States (2015), a traffic stop cannot be extended beyond the time reasonably required to address the reason for the stop without independent reasonable suspicion of additional criminal activity. Calling in a K-9 unit, questioning the driver about alcohol consumption, or waiting for a second officer — if any of these extend the stop without legal justification, the evidence from the extended detention is suppressible.

Improper Field Sobriety Tests

The Standardized Field Sobriety Tests are only scientifically valid when administered exactly according to NHTSA protocol. Horizontal Gaze Nystagmus, Walk and Turn, One Leg Stand — all three have specific instructions, surface requirements, lighting requirements, and medical condition considerations. Officers routinely deviate from protocol. We review the video against the protocol on every case.

A test administered improperly produces unreliable results. Unreliable results do not prove intoxication beyond a reasonable doubt.

Unlawful Blood Draw

Since October 2024, Austin PD runs No Refusal every night from 9pm to 5am. If you refuse a breath test, a warrant for your blood will be sought almost immediately. But the warrant itself can be challenged. The affidavit supporting the warrant must contain sufficient facts establishing probable cause. If the probable cause is built on a stop that lacked reasonable suspicion, the warrant falls with it.

The blood draw procedure also has requirements. Only qualified medical professionals may perform the draw. It must be done in a sanitary environment. You have the right to an independent blood draw within two hours. Failures in any of these requirements can result in motion to suppress of the blood result.

Unreliable Blood Test Results

Even a properly obtained blood sample can be challenged at the lab level. Chain of custody documentation, testing procedures, equipment calibration records, analyst qualifications, and the margin of error in the testing method itself are all subject to examination. Blood alcohol concentration also changes over time — the BAC at the time of the blood draw may not accurately reflect the BAC at the time of driving. Retrograde extrapolation calculations can be challenged.

Improper Breath Test

Breathalyzer results depend on instrument calibration, operator certification, the 15-minute observation period, and the absence of factors that can contaminate the result — mouth alcohol, GERD, certain medical conditions, even some medications. Calibration and maintenance records are obtainable through discovery and are examined on every breath test case.

Miranda and Statements

Statements made without proper Miranda warnings during a custodial interrogation are suppressible. Statements obtained after a defendant has invoked the right to counsel are suppressible. Officers sometimes continue questioning after a defendant has made it clear they want a lawyer. Those statements cannot be used.

Lack of Proof of Intoxication

The State must prove beyond a reasonable doubt that the defendant was intoxicated at the time of driving — not at the time of the blood draw, not at the time of the field sobriety tests, but at the time of operating the vehicle. In cases where a significant amount of time passed between the driving and the testing, or where the only evidence of intoxication is the officer’s testimony, reasonable doubt arguments can be decisive.

What Does Not Work

It is worth being direct about what does not produce dismissals.

Claiming you only had two drinks. This is not a defense — it is a statement that goes into the police report and gets used against you.

Arguing the officer was lying. Without video evidence contradicting the officer’s account, credibility arguments alone rarely succeed in Texas courts.

Hoping the prosecutor loses interest. DWI cases in Travis County and Williamson County are prosecuted consistently. The case does not go away on its own.

The defenses that work are legal and evidentiary — challenges to the stop, challenges to the procedure, challenges to the science. These require a lawyer who has reviewed the video, pulled the calibration records, and knows the specific courts where the arguments will be made.

The ALR Hearing — Why It Matters for Dismissal

The Administrative License Revocation hearing is separate from the criminal case but it affects the criminal case directly. When an attorney subpoenas the arresting officer to the ALR hearing, the officer testifies under oath about the stop, the detention, and the investigation. That testimony is recorded.

If the officer’s ALR testimony contradicts the written police report — or contradicts the body camera footage — that inconsistency becomes a weapon in the criminal case. Credibility problems that surface in the ALR hearing follow the officer into the courtroom.

Winning the ALR hearing on the merits, as Taylor Kacir did in the Georgetown parking lot case, also creates a factual record that the stop was unlawful. That record directly supports a motion to suppress in the criminal case.

Most attorneys use the ALR hearing as a discovery tool. We use it as both.

If Your DWI Case Is in Williamson County

Williamson County DWI courts are different from Travis County. The prosecutors assess whether their burden can actually be met. A well-prepared legal argument gets a genuine hearing.

Taylor Kacir manages our Georgetown office and handles Williamson County DWI cases directly. Her recent ALR win in Williamson County — the parking lot detention case — demonstrates what preparation and knowledge of these specific courts can accomplish. Winning an ALR hearing on the merits is rare. It happened here because the legal argument was right and the attorney knew the forum.

If your DWI arrest happened in Round Rock, Cedar Park, Georgetown, Leander, Hutto, or anywhere in Williamson County, call us. The Georgetown office is at 706 Rock St — Taylor is there daily.

Frequently Asked Questions

What are the chances of getting a DWI dismissed in Texas?

It depends entirely on the facts of the stop, the detention, and the testing procedure. Cases where the stop lacked reasonable suspicion, where the blood draw was improperly obtained, or where the field sobriety tests were administered incorrectly have real suppression arguments. Cases where the stop was clean, the procedure was followed, and the BAC was well above the limit are harder to dismiss but not impossible — lack of intoxication at the time of driving and reasonable doubt arguments still apply. The only way to know what applies to your case is to have an attorney review the video and the police report.

Does hiring a DWI lawyer actually make a difference?

Yes, and the data supports it. The defenses that produce dismissals — suppression arguments, ALR hearing strategy, lab result challenges — require legal knowledge, case preparation, and experience in the specific courts where the case will be heard. A person representing themselves has essentially no ability to bring a successful suppression motion. An attorney who has done this in these courts for 22 years has every tool available.

How long does it take to get a DWI dismissed in Texas?

If a motion to suppress is filed and granted, dismissal typically follows within weeks of the ruling. The suppression hearing itself has to be scheduled, which takes months in most Travis County courts. The full timeline from arrest to dismissal is typically 6 to 12 months. ALR hearings happen on a faster track — typically 2 to 4 months after the hearing is requested.

What if my BAC was over the legal limit?

A BAC result over .08 is not automatically conclusive. The result can be challenged on chain of custody grounds, lab procedure grounds, and retrograde extrapolation grounds. More importantly, if the stop or the blood draw was unlawful, the BAC result gets suppressed regardless of what it shows. The number does not matter if the court will not allow it into evidence.

Can a DWI be dismissed if I refused the breath test?

Yes. Refusing the breath test means the State has to get a blood warrant — and that warrant, and the resulting blood draw, are subject to suppression on the same grounds as any other blood draw. A refusal does not eliminate the defense. It changes the procedural path.

What happens after a DWI is dismissed

A dismissed DWI leaves the arrest and charge on your record. DPS still has the file. The court docket still shows the case. Commercial background-check databases still pick it up. The dismissal stops the prosecution but does not destroy the record. An expunction is the order that physically destroys the record — and Texas does not allow deferred adjudication for DWI, so the dismissal you fought for is the path that makes the expunction available.

Call Now — Free Consultation

If you were charged with DWI in Austin, Round Rock, Georgetown, or anywhere in central Texas, call us before you make any decisions about your case.

The defenses that produce dismissals are built in the weeks after arrest — not the week before trial. The sooner an attorney reviews your case, the more options exist.

David White has been handling DWI cases in Austin courts for 22 years. Call (512) 369-3737 right now. Kenneth Hines and Taylor Kacir answer after-hours calls. You will reach a person, not a voicemail.

Law Office of David D. White, PLLC
608 W 12th St, Suite B | Austin, TX 78701
Georgetown office: 706 Rock St, Georgetown, TX 78626
(512) 369-3737 | Available 24/7

Also see: DWI expunction — if your case was dismissed, clear your record completely. Felony DWI defense. Expunction in Texas. Bond reduction attorney Austin.