JM
James Sterling Mattox
James Sterling Mattox is a lawyer in Lockhart, TX who works for Caldwell County Criminal District Attorney's Office. Licensed in Texas since 2017. Graduated from St. Mary's University in 2016.
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Law school
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Office
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JM
James Sterling Mattox
Caldwell County Criminal District Attorney's OfficeLockhart, TX·9 years licensed
Claim profileContact attorney
James Sterling Mattox is a lawyer in Lockhart, TX who works for Caldwell County Criminal District Attorney's Office. Licensed in Texas since 2017. Graduated from St. Mary's University in 2016.
Law school
St. Mary's University
Class of 2016
Bar admission
2017
State Bar of TX · No. 24103872
Office
1703 S Colorado St
Lockhart, TX 78644
Disciplinary
None on record
Clean since admission
Career history
3 observed firms
Based on State Bar of Texas snapshots — each row is a firm the attorney was registered with at one of our quarterly pulls.
- Hays County Criminal District Attorney'sAS OF MAY 2023Private Law Practice · San Marcos, TX
- Caldwell County Criminal District AttornAS OF APR 2026Private Law Practice · Lockhart, TX
- Caldwell County Criminal District Attorney's OfficAS OF JUN 2026Private Law Practice · Lockhart, TX
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Last refreshed Jun 2026