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About me

Sam H. Lock has tried every type of criminal case, from murder to the most minor of misdemeanors. He brings his legal knowledge, litigation skills and a personal touch to his representation of those accused of crimes.


Largely because of his hands-on approach, Sam has twice been recognized by Texas Monthly as a “Rising Star” in the legal profession. He has been recognized three times in Scene in S.A. Monthly as on of San Antonio’s best lawyers.


He serves on the Boards of Directors for the Texas Criminal Defense Lawyers Association and the San Antonio Criminal Defense Lawyers Association. Sam is also a member of the American Inns of Court, William Session Inn, an organization of top attorneys and judges that meets to discuss developments in the law and current issues facing the courts.


Sam frequently lectures at continuing legal education seminars, educating other attorneys on developments in the law, evidence, procedure and consequences of criminal convictions.


Photos and videos

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Practice areas


  1. Criminal Defense: 25%
  2. DUI & DWI: 25%
  3. Federal Crime: 20%
  4. White Collar Crime: 15%
  5. Violent Crime: 15%



Free consultation (30 minutes)

Payment types:

Cash, Check, Credit card

Attorney endorsements

7 total 

Are you an attorney? Endorse this lawyer

  • Kelly Francis Pittl

    Sam is a fantastic lawyer. Knowledgeable and aggressive in defending his clients. Anyone charged with a crime should seriously consider hiring Sam because you will not regret it.


    Kelly Pittl Criminal defense Attorney
    Relationship: Fellow lawyer in community

  • Robert Carroll Pate Jr.

    I endorse this lawyer.


    Robert Pate Criminal defense Attorney
    Relationship: Fellow lawyer in community

Contact info

Law Office Of Sam H. Lock

1011 S. Alamo
San Antonio, TX, 78210-1109

Law Office of Sam H. Lock

109 Court Street
Seguin, TX, 78155-5715



TXEligible To Practice In Texas 199807/16/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Rising StarSuper Lawyers Magazine2010 VerifiedLawyer.com2010
Rising StarSuper Lawyers Magazine2009
Rising StarSuper Lawyers Magazine2008
San Antonio's Best LawyersSan Antonio's Scene Magazine2006
Rising StarSuper Lawyers Magazine2006
Work experience
TitleCompany nameDuration
AttorneyLaw Office of Sam H. Lock1998 - Present
Association namePosition nameDuration
Texas Criminal Defense Lawyers AssociationBoard of Directors2010 - Present
San Antonio Criminal Defense Lawyers AssociationBoard of Directors2010 - Present
San Antonio Criminal Defense Lawyers AssociationMemberN/A
American Inns of CourtMemberN/A
Williams Session InnMemberN/A
School nameMajorDegreeGraduated
St Mary's University of San Antonio School of LawLawJD - Juris Doctor1998
Speaking engagements
Conference nameTitleDate
Fox News 29 San AntonioInterview on Bexar County Illegal Strip Search2010