Skip to main content
Sam M. Yates III

Sam M. Yates III

also known as Trey Yates

Practice areas:

Family, Probate, Mediation

About Me

Practicing law in Harris county and surrounding counties since 1986 as well as a member of AAML and TAFLS with a Board Certification in Family Law, Sam "Trey" Yates, III, is able to bring clients the unique advantage only years in the courtroom can afford. With a primary focus on divorce, child custody, complex marital property division, will contests and guardianship litigation; Trey embraces the philosophy that his clients need all the relevant information available to make an informed decision as they navigate through the maze of trial or mediation.


Professional Memberships:



   Gulf Coast Family Law Specialist;

   Texas Trial Lawyers Association;

   The Collaborative Law Institute of Texas;

   Houston Bar Association:

      Member Family Law Section;

      Member Probate, Trusts and Estate Section; and

      Member Collaborative Law Section.;

   Houston Bar Foundation, Life Fellow;

   Fort Bend County Bar Association;

   College of the State Bar of Texas;

   American Inns of Court;

   Burta Rhoads Raborn Family Law Inn of Court;

   Pro Bono College Star Bar of Texas;

   The American Association of Justice; and

   American Bar Association.


            "My law office is committed to providing individuals with the highest ethical and legal representation. My team delivers speedy and successful resolutions in litigation to our clients' satisfaction. We believe in client driven solutions to their legal conflict and give the client all the information available to make an informed decision that is in their best interest."


Languages Spoken: English, Spanish

Photos and Videos

242813 1360600524

242813 1360602278

242813 1360602759

242813 1364304850

Practice Areas

Licensed since 1984

  1. Family: 50%
    31 years
  2. Mediation: 25%
  3. Probate: 25%
    31 years


Payment Types:

Cash, Check, Credit Card

Attorney Endorsements

4 total 

  • Eric B. Dick

    Trey is a cordial and quite knowledgeable in family law


    Eric Dick Insurance Attorney
    Relationship: Opposing Counsel on matter

  • Michael S. Waddington

    I endorse Sam. He is a highly skilled attorney that is well respected in the legal community.


    Michael Waddington Military Law Attorney
    Relationship: Fellow lawyer in community

Contact Info

Law Office Sam M. (Trey) Yates, III, P.C.

50 Briar Hollow Lane
Suite 425 West,
Houston, TX, 77027-9390



TXEligible To Practice In Texas 198408/25/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.

Avvo Contributions

Legal Answers


Award NameGrantorDate Granted
Star VolunteerHouston Volunteer Lawyers Program1999
President's Award for Outstanding Service as Chair of AIDSHouston Bar Association - AIDS Outreach Committee1997

Work Experience

TitleCompany NameDuration
AttorneyLaw Office of Sam M. (Trey) Yates, III, P.C.1986 - Present


Association NamePosition NameDuration
Houston Bar Association, Collaborative Law SectionBoard of DirectorsN/A
BRR Family Law Inn of CourtOfficerN/A
Gulf Coast Family Law SpecialistsBoard of DirectorsN/A
Unity Church of Christianity - HoustonBoard of DirectorsN/A
Bering Omega Community ServicesBoard of TrusteesN/A
Long Term Care Ombudsman ProgramCertified Volunteer OmbudsmanN/A
AIDS Foundation Houston, IncAdvisory BoardN/A
Friends of Hermann ParkAdvisory BoardN/A


School NameMajorDegreeGraduated
St. Mary's UniversityN/ADoctor of Jurisprudence/Juris Doctor (J.D.)1984

Speaking Engagements

Conference NameTitleDate
The Guide to Good DivorceThe Guide to Good Divorce Seminar2013
HVLP Family Law SeminarWhos My Daddy? Parentage Mystery?2013
Gulf Coast Family Law SpecialistsEqual Protection Under the Law and the Redefinition of Marriage2013
27th Annual Family Law ConferenceSo Whats Happening With Same-Sex Marriage?2013
Texas Family Code and Texas Probate CodeIssues for Divorcing Parents with Special Needs Children Under the Texas Family Code and Texas Probate Code2012
Inns of CourtSupport for a Disabled Adult or Minor Child and Related Issues2012
Getting the Benefit of the BargainGetting the Benefit of the Bargain: Drafting Enforceable Language on Temporary Order and Final Decrees2012
26th Annual Family Law ConferenceEffectively Assessing Cases for ADR2012
Annual Family Law ConferenceThe Business of Family Law2011