San Marcos DWI lawyers with a
proven record of success

Standing Up For Citizens Across Texas

Your Trusted San Marcos DWI Defense Team

Arrested for DWI? Trust San Marcos’s best DWI lawyers to protect your rights and secure the best outcome in your case. Trey Porter Law has 40+ years combined experience successfully defending DWI charges in San Marcos. Dismissal is the #1 goal in every case. The award-winning DWI lawyers at TPL build personalized defense strategies, challenge evidence, and win cases. Results matter. Quality of life matters. Trey Porter Law fights to win.

Nestled in the heart of San Marcos, the historic courthouse boasts a majestic domed roof and stately columns, surrounded by lush trees and fluttering flags, under a clear blue sky—an iconic backdrop for any local DWI lawyer.

Beat Your DWI Charge in San Marcos

Expert Guidance

Our seasoned attorneys have extensive experience in DWI defense, ensuring you receive top-notch legal advice and representation.

Personalized Defense Strategies

We tailor our approach to fit the specifics of your case, aiming for dismissals or reduced charges whenever possible.

Proven Track Record

With a reputation for winning tough cases, our trial lawyers work to achieve the best result, in every DUI case, every time.

Comprehensive Support

From the initial consultation to the resolution, we provide continuous support and keep you informed every step of the way.

Our Proven Process To Fight San Marcos DWI Charges

Free Consultation

It starts with a no-obligation consultation. Our experienced DWI team takes time to understand your situation, answer your questions, and outline potential defense strategies. Our award-winning attorneys have successfully resolved thousands of Texas DWI charges. Learn how our experience can work for you.

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Thorough Investigation

Our experienced DWI attorneys conduct a comprehensive investigation in every case. We meticulously review evidence of breath test and blood test data, police reports, body camera footage of field sobriety testing, and driving facts. Our team scrutinizes every detail to identify procedural errors and violations of your constitutional rights.

Aggressive Defense

With a detailed investigation complete, we develop a powerful DWI defense strategy tailored to the facts of your case. Our experienced San Marcos DWI attorneys are relentless in working to suppress evidence in pursuit of DUI dismissals and reduced charges. The team at TPL is with you every step of the way, fighting for your rights.

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Top-Rated DWI Lawyers In San Marcos

Experience
Results
Fight to Win
Quality of Life

40+ Years Combined DWI + DUI Experience.

The trial lawyers at Trey Porter Law are right at home in the hallways of the Hays County Government Center in San Marcos. Our battle-tested DUI attorneys have stood up for thousands of people facing DWI prosecution. Experience is the foundation of TPL’s hard-earned reputation for getting big wins in tough DUI cases.

700+ 5 Star Client Reviews.

Results matter. Dismissal is always our #1 goal. Hays County DWI and DUI charges come with tough facts. TPL works to leverage strategy, relationships & reputation, and high-powered legal advocacy to get the best result in every case, every time.

TPL always fights to win.

This mindset separates TPL from other San Marcos DWI law firms. Tenacious, zealous advocacy that comes out swinging against the Government allows TPL to work from a position of strength and obtain the best possible result in the courtroom.

TPL prioritizes quality of life for clients.

We understand that life must go on while a San Marcos DWI case is pending. Our team works to prioritize clients' personal and professional responsibilities by coordinating with courts and Hays County Pretrial Services for travel and work accommodations. Our team also fights to ensure driving privileges are protected and restored.

DWI In San Marcos: Important Information

How Much is Bail For DWI in San Marcos?

Bail is typically $1,500-$2,500 for DWI in San Marcos. Multiple factors impact bail. Bail bond companies charge a percentage for jail release. PR bonds are increasingly utilized in San Marcos for DUI cases. Most people arrested for DWI in San Marcos are processed at the Hays County Jail located at 1307 Uhland Rd, San Marcos, TX 78666. The office phone number is 512-393-7800 and records are available online.

Can a DWI be Dismissed in San Marcos?

Yes. DWI charges can be dismissed and beaten in San Marcos. Powerful DWI defense strategies attack evidence, assert constitutional rights, and force the Government to meet its burden of proof. Every DWI charge should be challenged, no matter the facts of the case. You can’t win if you don’t fight. Read More.

How Much Does a DWI Cost in San Marcos?

San Marcos DWI charges can cost thousands of dollars. Factors include bail, ignition interlock devices, drug testing, fines up to $10,000 and court costs on top of that. Insurance rates go up with DWI. The biggest cost is legal representation. DWI convictions have devastating effects on employment and finances. Read More.

Can You go to Jail For DWI in San Marcos?

Yes. Everyone arrested for DWI in Hays County, Texas is facing jail time. First-time DWI charges have a 1 year jail punishment depending on your BAC. The presence of children or serious bodily injuries can increase the charges and the range of jail incarceration for DUI. Read More.

What is DWI First Offense in San Marcos?

DWI is a Class B misdemeanor in Texas. First-time DWI consequences include thousands of dollars in fines and fees, 6 months in jail, and a driver’s license suspension. San Marcos Police have a DWI No Refusal Policy. If you don’t submit to a breath test, they will forcibly take your blood. DWI can be enhanced to a higher, more serious charge by factors like injuries, child passengers, and high BACs. Read More.

Do I Need a Lawyer For a San Marcos DWI Charge?

Yes. Everyone arrested for DWI in San Marcos needs to hire a lawyer. DUI Attorneys can be the difference in a temporary inconvenience and a permanent criminal conviction. The likelihood of a DWI dismissal is vastly improved with experienced legal counsel. Read More.

Can a DWI 2nd be Reduced in San Marcos?

Yes. DWI 2nd charges can be reduced and beaten in San Marcos. Powerful DUI defense strategies attack the Government’s evidence, challenging police officer credibility, blood and breath test accuracy, and field sobriety test administration. Compromised evidence can force the Government to reduce or dismiss DWI charges because they can no longer meet their burden of proof. Read More.

What is a DWI 3rd Offense in San Marcos?

DWI 3rd is an incredibly serious charge. Categorized as a Third Degree Felony in Texas law, if you are arrested for DWI 3rd in San Marcos you are facing 10 years in prison and life as a convicted felon. It is critical to contact an experienced San Marcos DWI lawyer immediately. Read More. 

San Marcos DWI Charge? Dismissal Is Our #1 Goal

TPL’s award-winning DWI lawyers are ready to stand up for you in San Marcos. It’s important to take action immediately after arrest by asserting and protecting important constitutional rights. Call us today at 512-201-4381 to schedule a free, confidential consultation or submit the form below and our team will promptly reach out to you. Take control and start building your defense today.

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San Marcos' Highest-Rated DUI Lawyers

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700+ 5 Star Reviews

Results matter. Our team fights for DWI dismissals. We have a track record of success in San Marcos that’s been built one case at a time by challenging evidence, asserting our client’s right, and utilizing deep experience and dynamic advocacy.

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40+ Years Combined

Our lawyers have unparalleled experience and a deep understanding of Texas DWI laws. We’ve tried every type of DWI case, and our experience serves as the foundation for the powerful defense we provide our clients facing DUI in San Marcos.

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We Attack the Evidence

Prosecutors have to prove DWI cases beyond a reasonable doubt. Our lawyers attack the evidence, working to get specific things excluded. Excluded evidence increases the likelihood of dismissal. Our aggressive approach attacks evidence and wins DWI cases.

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San Marcos DWI Lawyers

We know San Marcos. We know the faces in the courthouse. Judges’ temperaments, prosecutors to work with, and those to avoid. How to make a request, and when to make that request, are all things we use to our clients’ advantage.

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Top-Rated, 5 Star Service

Our award-winning, powerful team of DWI lawyers have earned the respect of judges, prosecutors, and countless clients over the years. Voted by their peers as Best DWI Lawyers, our advocates have also been recognized by The National Trial Lawyers Association.

San Marcos DWI Penalties

Everyone facing a DWI in San Marcos is facing jail time. Texas DWI penalties are some of the most severe in the nation, and the Hays County District Attorney’s Office aggressively prosecutes DWI cases to the full extent allowed by Texas law.



Below are the 5 Consequence Categories for DWI in San Marcos:

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Thousands of Dollars in Fines & Fees

Texas law includes thousands of dollars in fines as punishment for DWI. In San Marcos, Hays County judges regularly impose these fines on DWI defendants.
Read more

Jail Time & Prison Incarceration

DWI defendants in San Marcos face up to 1 year in jail, 2 years in a State Jail Facility if a child was present, and 10 years in prison for repeat offenders with two convictions. Read more

Suspended Driver’s License

DWI defendants face multiple driver’s license suspensions from Hays County Court judges and the Texas Department of Public Safety in Austin. Read more

Requirements of Hays County DWI Probation

Criminal Conviction on Background Checks

Criminal records are public records. You cannot expunge a DWI conviction in Texas. Read more

San Marcos' Premier DWI Defense Law Firm

Win Your DWI Case

A DWI conviction in San Marcos can result in harsh punishments that impact every facet of your life. Even if this is your first offense and you have no prior criminal record, the consequences you face are extremely serious and can derail future job and life opportunities. San Marcos DWI charges can be dismissed. Trey Porter Law wins DWI dismissals with a powerful, proven strategy.

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Clear Your Criminal Record

San Marcos criminal records are public records. Texas DWI laws prohibit DWI convictions from being removed through expunction. This makes it critical to obtain a DWI dismissal if you are charged with DWI in San Marcos. DWI charges dismissed through legal challenges can be expunged and those resolved through Deferred Adjudication can be sealed through a nondisclosure.

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Proven Process. Powerful Results.

“The team at Trey Porter Law got my DWI dismissed. Thanks to them, I was able to clear my name and move forward with confidence. TPL’s expertise and dedication made the process seamless, and I’m forever grateful. I highly recommend Trey Porter Law to anyone facing a DWI charge in Texas.”
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Sean Marsh
Satisfied Client

Learn More About San Marcos DWI Laws

How to Beat a DWI in San Marcos

Winning Strategies for San Marcos DUI

Hays Co. DWI Dismissals: Attack Evidence

Accountability: Prosecutor’s Burden of Proof

Texas Penal Code 49.04: DWI Laws

Texas Alcoholic Beverage Code 106.041: DUI

Texas Penal Code 49.045: DWI with Child

San Marcos DWI Penalties & Punishments

Dismissed: Nurse Charged with DWI .15+

Client Success Stories

Dismissed: Teacher facing 1 year in Jail

Client Success Stories

Dismissed: No Probable Cause for Arrest

Client Success Stories

Dismissed: Speedy Trial Victory

Client Success Stories

Sealing a Texas DWI Charge

Legal Resources and Tips

Texas DWI Convictions are Permanent

Legal Resources and Tips

Texas ALR Hearing and Driver’s Licenses

Legal Resources and Tips

Driving Legally With DWI Charges

Legal Resources and Tips

How Likely Is Jail Time For DWI In San Marcos?

Everyone facing a DWI charge in San Marcos is facing up to 12 months in the Hays County Jail. DWI first-offense is a Class B misdemeanor with a maximum jail punishment of 6 months. Texas law stipulates that a DWI charge can be enhanced to a Class A misdemeanor with a 1 year jail punishment if a person’s BAC is 0.15 or higher. 


San Marcos has a strict No Refusal DWI policy. This means that if you refuse a breath test, police officers will get a warrant for your blood. While jail time is a real possibility in every DWI case, Trey Porter Law has a proven track record of eliminating jail time and reducing consequences for clients.


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What To Know After DWI In San Marcos:

Will a DWI Show up on a Background Check?

Yes. San Marcos DWI arrests are reported to statewide and national databases. Though pending, these charges will almost instantly begin to show up on background checks for school, employment, and professional licensing. Read More.

How Much Does Insurance Go Up After a DWI?

Insurance rates can increase by hundreds of dollars per year after a DWI arrest in San Marcos. The Department of Public Safety also takes suspension action on driver’s licenses following DWI arrests in Texas, causing additional costs. Read More.

Can I Get Deferred Adjudication For DWI?

Yes. Deferred Adjudication is available in limited situations for DWI in San Marcos. DWI Deferred Adjudication requires successful completion of probation. As a condition, judges routinely require installation of an ignition interlock device. Read More.

Is it Worth Fighting a DWI in San Marcos?

Yes. It is worth fighting a DWI charge. Exercising the constitutional rights of due process, counsel, and confrontation can measurably improve the end-result. The State often fails to meet the legal requirements of the burden of proof when challenged. Read More. 

What Happens if I Plead Guilty to a DWI Charge?

Pleading guilty to a DWI charge in San Marcos will result in a permanent criminal conviction. A guilty plea also exposes you to the full range of punishment, including jail time. DWI convictions are permanent in Texas, and should rarely be voluntarily agreed to. Read More.

What’s The Difference Between DUI & DWI?

DUI is a Class C misdemeanor, only applicable to minors in Texas. Minors can be charged with DWI in San Marcos, but adults cannot be charged with DUI. DWI is a Class B misdemeanor in Texas, but can be enhanced by certain factors. Read More.

Is Your License Suspended if You Get a DWI?

Yes – everyone charged with DWI and DUI in Texas faces an automatic driver’s license suspension. Requesting an ALR hearing with Texas DPS is the only way to avoid and delay the suspension. Read More.

What is The Typical Punishment For DWI?

DWI punishments vary widely in San Marcos. Case facts play a big role in determining punishment, but the biggest difference-maker is legal counsel. An experienced DWI lawyer is a person’s best chance at avoiding jail time and reducing consequences. Read More.

San Marcos DWI Lawyers That Win Cases

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Top-Rated DUI Lawyers

Trey Porter has the most 5 Star AVVO client reviews among San Marcos’s DWI lawyers. Mr. Porter is a multi-year recipient of the AVVO People’s Choice Award, and has been recognized by Texas SuperLawyers, Forbes, and the National Trial Lawyers Association.

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TPL Wins DWI Cases

Arrested for DWI 1st in San Marcos? The team at Trey Porter Law brings 40+ years of combined experience, a deep knowledge of Texas DUI laws, and a strategic approach to every case – no matter the facts. If you’re facing a DWI first charge in San Marcos, you’re facing up to 1 year in jail and permanent criminal conviction. Contact TPL to start building your defense today.

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Strategic DWI Defense

Charged with DWI 0.15+? The San Marcos DWI lawyers at Trey Porter Law have extensive experience in challenging blood and breath evidence in DWI cases. Pursuant to Texas DUI laws, people with a BAC of 0.15 or higher face increased penalties that are twice as serious just because of the BAC result. Our team works hard to remove and reduce these harsh DWI penalties.

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Powerful Defense to Avoid Jail.

DWI 2nd charge in San Marcos? Texas law requires jail as a punishment for DWI 2nd, even if the judge grants probation. The team at TPL are the Best DWI Lawyers in San Marcos for DWI 2nd charges. Our team has successfully defended thousands of DWI 2nd charges in San Marcos, keeping our clients out of jail and driving legally.

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High-stakes DWI Defense

DWI 3rd charges in San Marcos are Third Degree Felony charges. The maximum penalty is 10 years in prison, and every person convicted becomes a lifelong felon. The stakes could not be higher. Trey Porter Law mounts a powerful, aggressive defense for clients facing DWI 3rd in San Marcos. No matter the facts, you can’t win if you don’t fight.

Testimonials

A Proven track record of success

Results Matter

 

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The stakes are high. Criminal charges can have devastating, lifelong consequences. During the free, confidential consultation, Mr. Porter will answer questions surrounding your legal matter, and discuss and identify potential defenses.
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