Irving DWI Defense Lawyer

Tough, Aggressive, Trusted Irving DWI Defense

Facing alcohol-related driving charges can be daunting, and the effects that a conviction can have on one’s personal and professional life should be taken seriously. If you or someone you know has been charged with a DWI, don’t leave your defense to chance — contact Irving DWI attorney Mark T. Lassiter.

Regardless of the situation, placing your trust in the hands of a knowledgeable and aggressive Irving drunk driving lawyer is the smart thing to do. The Irving DWI defense lawyers of the Law Office of Mark T. Lassiter understand the situation and are experienced when it comes to determining the best course of action for your Irving Texas DWI issues.

Irving DWI defense lawyer Mark T. Lassiter handles the following types of Texas Alcohol Offenses in addition to DWI charges:

Following an arrest, you have a mere 15 days to request and to schedule a hearing to challenge the automatic suspension of a Texas Driver ‘s License following a DWI arrest. If this cannot be done, it may be possible to obtain an Occupational Drivers License. Contact us today for a complimentary DWI/DUI consultation and case evaluation.

Your License, Livelihood and Liberty

Irving DWI lawyer Mark T. Lassiter is fully aware that your license, livelihood, and liberty are important. As such, the Law Office of Mark T. Lassiter will fight to save these crucial things. Being charged with a DWI does not mean that you are actually guilty of drunk driving. As people are innocent until proven guilty, the state and its team of prosecutors, police officers, and experts must prove each and every element of a driving while intoxicated charge.

Everyone needs a practiced and competent Irving DWI lawyer to refute the charges of the state every step of the way. Irving DWI lawyer Mark T. Lassiter is a former prosecutor who knows what it takes to win on both sides of the aisle. He is both an aggressive and tough criminal defense lawyer who will fight for your rights on all fronts. The Law Office of Mark T. Lassiter believes that everyone charged with a crime has the right to experienced defense.

Hire a Dallas Texas Criminal Defense Lawyer who focuses on Drunk Driving Offenses

The Irving drunk driving defense lawyers of the Law Office of Mark T. Lassiter understand that being charged with a DWI or related offense can be both humiliating and embarrassing. Irving DWI lawyer Mark T. Lassiter will work on every front to ensure that your dignity is protected and that your concerns are addressed quickly.

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You know when you seek medical care; you put your life in the hands of doctors. You want someone to fight for you as they would fight for themselves. The same occurs with an attorney and Mark is definitely someone that will fight for you.

Dr. Patrick W.

I was arrested in March 2010 for suspicion of DWI, and had blown a 0.18. I retained Mark 3 days later and through his hard work and diligence my case was dismissed without my ever having to appear in front of a judge. His knowledge of criminal law is incredible, and he is very kind, and was incredibly respectful and encouraging throughout this entire harrowing process. Previous to this arrest I had never had so much as a speeding ticket and I came into this extremely scared and terrified of the long term implications of a DWI conviction in Texas, as Texas is not a state that allows adjudication and I am an RN who made one incredibly bad decision, but a conviction on DWI could cost me my license to practice. I chose Mark on the recommendation of several people whom I trust, and I am so glad I did! His staff is very courteous and helpful, and his track record is impeccable! I honestly didn’t dare hope that I might be so fortunate as to get my case dismissed, but Mark came through for me with flying colors! Thanks to Marks knowledge and hard work I will be eligible to have this arrest expunged from my record in two years, and can relax knowing that my license to practice is safe. Mark was also always willing to hear me out and never tried to pressure me into anything I was uncomfortable doing, he returned my calls and emails within hours and did everything he could to reassure me that while there was a great deal of gravity to the situation I had landed myself in, that he would champion my cause. I made a terrible, terrible choice, and I am so grateful and fortunate the no one was hurt. I owe so much to Mark, and I will never be able to thank him enough for his hard work on my behalf.


Obviously you have accessed Mark Lassiter’s website, please bear with me while I inform you about your good fortune. Unfortunately I found myself retained by the Garland Police some time ago on a DWI charge. I have never heard any of my friends/co-harts discuss this subject. Due to the personal humiliation of the circumstances, this is not something that I would approach them on either. So I had to rely on Google to find attorneys that dealt with this type of thing for Garland. Finding multiple hits I began the review of websites until I accessed M. Lassiter’s. I was extremely impressed. I made contact with him with the normal trepidation of retaining an unknown individual for such a sensitive personal matter. Little did I know at the time of my good luck. During the course of my case, a couple of attributes I learned about M. Lassiter are as follows: · He was very capable, and never lost focus of my case and best interests · He was easy to talk to and actually listened and responded to the pros and cons of my standpoints · He is a very personable and energetic person Ultimately I am sure you will find retention of M. Lassiter a most beneficial partnership in the resolution of your case.

Best Regards, Rita L.

In need of legal representation, we researched qualified attorneys in the Dallas Area. At our initial consultation with Mark Lassiter, he discussed his fees, plan of action, and potential outcomes of the case.  We found him to be not just competent, but detail-oriented and thorough.  His knowledge of the law and court proceedings was comforting. Mark Lassiter kept us informed of progress, and was able to resolve the case as quickly as possible.  Through his diligence, we got the best possible outcome. We would highly recommend his services to anyone who asks.

Bob and Jill

I found information regarding Mark by searching the web while in Illinois and my son was needing representation in Tarrant County Texas. Mark returned every single call I made, and every email I sent. I believe that Mark is a fair and honest and will try to do what is best for who he represents.


I had never been in trouble with the law. I had no idea who to call or what to do and I was certain this was going to hang over me the rest of my life. Mark took care of everything. From the first conversation he put my mind at ease and assured me everything was going to be OK…and he was right. He literally made it GO AWAY! Thank goodness. Now, that one moment of my life will not ever define who or what I am.


I’ve finally found a lawyer I can count on.

Cody B.

I switched from my original lawyer to you because you made sure I understood the entire process.

Amanda H.

My family and I will always be indebted to you.

Lisa L.

You were able to help me win my case when I didn’t think anybody could.

Roger C.

I would never use or recommend anyone else for anybody else for a criminal manner.

Cory M.

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