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Reputation. Respect. Results

You need an experienced lawyer who focuses exclusively on defending criminal cases and who will aggressively protect your rights.

Mark A. Diaz has successfully defended clients facing all types of charges for over 18 years.

Available 24/7, Houston/Galveston
Free Consultation

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Mark Diaz

Aggressive Texas Criminal Defense Attorney

Criminal defense Attorney in Galveston, Mark Diaz has been aggressively defending the rights of Texans for over eighteen years. Mark is a seasoned litigator who has tried every kind of criminal defense case. Mark’s clients receive his cell phone number, so they can connect any time they need help. From arrest through trial, Mark works hard to get the best possible results in and out of court.

Contact Mark Now

Federal Criminal Defense

Defended countless clients accused of federal crimes. As an experienced federal litigator, I know how to assemble an effective defense for high profile crimes.

Drug Possession

Because drug possession is a serious crime that can result in life-changing penalties, it is absolutely imperative to work with a Texas criminal defense lawyer who understands the law in this area.

White Collar Crimes

Because these types of cases are often subject to both state and federal prosecution, it is important to work with a lawyer who is comfortable defending a case at any level.

DWI Charges

A DWI Charge Can Put Your Life on Hold. A single arrest can seriously jeopardize your job, your freedom, and your reputation. If you have been arrested for drunk driving, you can’t afford to delay your defense.

Why Hire Us?

When you have been charged with a crime, you need an experienced lawyer who focuses exclusively on defending criminal cases and who will aggressively protect your rights. Throughout my career, I have successfully handled every type of criminal defense case. More importantly, criminal defense is the only thing I do. I have witnessed firsthand how a criminal charge can negatively impact every area of a person’s life. As a lawyer, I consider it a privilege to help people during this stressful time in their lives. Call me today at (409) 515-6170 for a free consultation to discuss.

I put all my trust in Mark some years back and he took damn good care of me and my case. -Michael Lawson

Free Case Evaluation

Call us 24/7 at (409) 515-6170 or fill out the form below to receive a free and confidential initial consultation.

We Respect your Privacy, Any information submitted will be confidential

Getting the Charges Against You Dropped or Dismissed
Getting the Charges Against You Dropped or Dismissed

Just because you have been charged with a crime does mean you are guaranteed to end up with a criminal record. Never assume your case is hopeless or a lost cause.

Three Steps to Take If You’ve Been Charged With Domestic Violence
Three Steps to Take If You’ve Been Charged With Domestic Violence

While you may be in a bad situation, you don’t want to do anything to make it worse and should take immediate action to protect yourself.

Only the finest

Meet our Attorneys

When you have been charged with a crime, you need experienced lawyers who focuses exclusively on defending criminal cases and who will aggressively protect your rights. Throughout our careers, We have successfully handled every type of criminal defense case. More importantly, criminal defense is the only thing we do..

Katy Jo Muncie

Aggressive Trial Lawyer
Katy Jo Muncie is an experienced and aggressive trial lawyer. She grew up in the Texas Hill Country along the beautiful Guadalupe River. Katy Jo attended The University of Houston on a full academic scholarship awarded to only thirteen high school seniors in the state. After graduating from The University of Houston with honors, Katy Jo obtained her law degree from South Texas College of Law. At South Texas, she excelled in the school’s nationally ranked advocacy program. Katy Jo won a national moot court championship and received multiple top advocate awards during her time there.

Jessica Ebbs

Lawyer - Felony Case Specialist
Jessica Ebbs was raised and has lived in Galveston County her entire life. In 2012, Jessica graduated cum laude from Sam Houston State University with a Bachelor of Business Administration in Accounting. After college, she attended South Texas College of Law to obtain her law degree. After completing law school, Jessica started at the Galveston County District Attorney’s Office as an Assistant District Attorney.

Mark Diaz

Experienced and Aggressive Texas Criminal Defense Attorney
Mark Diaz has been aggressively defending the rights of Texans for over eighteen years. A 1998 graduate of Thurgood Marshall School of Law who obtained his undergraduate degree from the University of Houston, Mark concentrates his practice solely in the area of criminal defense.
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We Respect your Privacy, Any information submitted will be confidential