Isaac Villarreal

Attorney Profile

Top Rated Business Litigation Attorney in Houston, TX

McCathern, PLLC
 | 2000 West Loop South, Suite 1850
Houston, TX 77027
Phone: 832-533-8689
Fax: 832-213-4842
Selected to Rising Stars: 2017 - 2019
Licensed Since: 2008
Practice Areas:
  • Business Litigation (50%),
  • Construction Litigation: Business (10%),
  • Business/Corporate (10%),
  • Employment & Labor: Employee (10%),
  • Estate Planning & Probate (10%),
  • Real Estate: Consumer (10%)
Attorney Profile

Attorney Isaac Villarreal is a partner with the McCathern law firm, and he works out of their Houston, Texas, office. A highly versatile and award-winning attorney with more than 11 years of legal experience, Mr. Villarreal represents a diverse range of clients throughout the greater Houston metro area and across the state who have legal needs involving any of the following:

  • Business and commercial litigation as well as transactional matters
  • Construction litigation
  • Real estate litigation and transactions
  • Probate and estate litigation
  • Collections, banking and mortgage issues
  • Employment law
  • Restaurant and hospitality law
  • Director and officers' liability
  • Appeals

Over the course of his career, Mr. Villarreal has achieved notable success representing the needs and interests of a wide range of commercial clients, from large, multinational corporations to small family-owned businesses. Through his efforts, he has helped defend his clients against tortious claims involving millions of dollars, and he has successfully prosecuted plaintiff claims of the same. He has also assisted many closely held business owners with their business succession plans and any resulting disputes during the estate administration process.

Moreover, Mr. Villarreal has become a recognized leader in real estate law and transactions, representing the interests of private homeowners, construction and real estate professionals, property investors, corporations, and others. He also has achieved considerable success resolving a variety of issues during arbitration, including partnership disputes, breach of fiduciary duty claims and other serious matters.

Mr. Villarreal earned both his bachelor's and master's degrees from Southwest Texas State University. He then attended the Thurgood Marshall School of Law, where he obtained his Juris Doctor magna cum laude in 2008 and served as editor-in-chief of the Thurgood Marshall Law Review.

Along with practicing before all Texas state courts, he received voluntary restricted status to practice before all state courts in Minnesota. He is also admitted to practice before the all U.S. District Courts in Texas as well as the U.S. Court of Appeals for the 5th Circuit.

Highly active in his legal community, Mr. Villarreal is a member of several local, state and national legal organizations. He is also a member of the Hispanic Bar Association, the Galveston Bar Association, the Garland Walker American Inns of Court and the Texas Association of Mediators.

Practice Areas
Lawyer Practice Area Pie Chart

Business Litigation (50%)

Construction Litigation (10%): Construction Defects

Business/Corporate (10%): Business Formation and Planning, Partnership, Contracts

Employment & Labor (10%): Employment Law - Employee

Estate Planning & Probate (10%): Probate & Estate Administration

Real Estate (10%)

Focus Areas

Construction Defects, Business Formation and Planning, Partnership, Contracts, Employment Law - Employee, Probate & Estate Administration


top-imageSelected to Rising Stars for 3 years

Rising Stars: 2017 - 2019

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About Isaac Villarreal

Admitted: 2008, Texas

Professional Webpage:


  • Litigator of the Week, The Texas Lawyer

Bar/Professional Activity:

  • Texas Association of Mediators
  • Galveston Bar Association
  • Garland Walker American Inns of Court
  • Hispanic Bar Association
  • Houston Bar Association, Alternative Dispute Resolution Section
  • State Bar of Texas, Litigation Section
  • U.S. District Court for the Eastern District of Texas
  • State Bar of Texas, Alternative Dispute Resolution Section
  • American Bar Association
  • All Courts for the State of Minnesota—Voluntary Restricted Status
  • U.S. District Court for the Northern District of Texas
  • U.S. District Court for the Western District of Texas
  • U.S. Court of Appeals for the Fifth Circuit
  • U.S. District Court for the Southern District of Texas
  • State of Texas (Texas Bar License No. 24054553)

Scholarly Lectures/Writings:

  • Editor-in-Chief, Thurgood Marshall Law Review, Thurgood Marshall School of Law at Texas Southern University, May 2008
  • Continuing Education Materials for Mediators, Alternative Dispute Resolution Section, State Bar of Texas

Educational Background:

  • Southwest Texas State University, Bachelor of Arts, English, May 2002
  • Southwest Texas State University, Master of Arts, Legal Studies, May 2004

Industry Groups

  • American Bar Association
  • Galveston Bar Association
  • Garland Walker American Inns Of Court
  • Hispanic Bar Association
  • Houston Bar Association
  • State Bar Of Texas
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Office Location for Isaac Villarreal

2000 West Loop South
Suite 1850
Houston, TX 77027

Phone: 832-533-8689

Fax: 832-213-4842

Isaac Villarreal:

Last Updated: 8/16/2019

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