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Mark Anthony Diaz
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About Mark
Biography
Mark understands that being charged with a crime is an emotional and personal challenge. He considers criminal defense his life’s work, and he is committed to providing each client with personalized attention, affordable representation, and the best defense available anywhere. Mark prides himself on his ability to quickly respond to the needs and concerns of his clients. In the realm of criminal defense, questions and concerns can’t always wait until morning. 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.
Successfully defending clients facing all types of criminal charges. Available 24/7. Hablo Español.
Practice Areas
3
Practice Areas
Criminal Defense
50%
DUI and DWI
35%
Federal Crime
15%
Fees and Rates
Cost
Payment Methods
- Cash
- Check
- Credit Card
Licenses
Licensed in Texas for 27 years
State: Texas
Acquired: 1998
No misconduct found
Location
Online Presence
Other places you can find Mark online.
Mark Anthony Diaz's Reviews
Avvo Review Score
10 Client Reviews
Mark Anthony Diaz's Lawyer Endorsements
"I endorse this lawyer. Mark has a reputation as one of the best lawyers in Galveston. He is fluent in Spanish. Mark works hard to protect the interests of his clients and obtain the best possible result in each case."
"I met Mr. Diaz my first time fighting for defendants in custody. He helped teach me how I could maintain my client's individual dignity in a place that so often discards it. The fact that such a passionate and knowledgeable attorney was fighting for misdemeanor custody cases shows that he cares and fights for every single client, no matter what. I fully endorse him."
Susan Clouthier
Appeals lawyer
Mark Kelly
Criminal defense lawyer
Experience
Honors
2025
Super Lawyer, Super Lawyers
2024
Super Lawyer, Super Lawyers
2023
Super Lawyer, Super Lawyers
2021
Top 100 Trial Lawyers, National Trial Lawyers Association
2020
Top 100 Trial Lawyers, National Trial Lawyers Association
2019
Top 100 Trial Lawyers, National Trial Lawyers Association
2018
Top 100 Trial Lawyers, National Trial Lawyers Association
2017
Top 100 Trial Lawyers, National Trial Lawyers Association
Work Experience
1998 - Present
Attorney, Mark A Diaz, Attorney at Law
Associations
2010 - Present
Harris County Criminal Lawyers AssociationMember
2016 - 2017
Galveston County Criminal Defense Lawyers AssociationPresident
2015 - 2016
Galveston County Criminal Defense Lawyers AssociationPresident-Elect
2008 - 2009
Galveston County Criminal Defense Lawyers AssociationTreasurer
Education
1998
Thurgood Marshall School of Law
JD - Juris Doctor
1995
University of Houston
BA - Bachelor of Arts
Languages
Spanish
English
Activity
Legal Answers