MC
Mark A. Castillo
San Antonio, TX·37 years licensed
Mark A. Castillo is a lawyer in San Antonio, TX. Practice areas include Criminal, Juvenile. Licensed in Texas since 1989. Graduated from South Texas College of Law in 1988.
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Law school
Bar admission
Office
Disciplinary
MC
Mark A. Castillo
San Antonio, TX·37 years licensed
Claim profileContact attorney
Mark A. Castillo is a lawyer in San Antonio, TX. Practice areas include Criminal, Juvenile. Licensed in Texas since 1989. Graduated from South Texas College of Law in 1988.
Law school
South Texas College of Law
Class of 1988
Bar admission
1989
State Bar of TX · No. 3986710
Office
345 Club Dr
San Antonio, TX 78201
Disciplinary
None on record
Clean since admission
Career history
2 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.
- Unknown firmAS OF MAY 2023Private Law Practice · Houston, TX
- Unknown firmAPR 2026 — PRESENTPrivate Law Practice · San Antonio, TX
Case data
Case data
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Practice & jurisdiction
Practice areas
- Criminal
- Juvenile
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Last refreshed Jun 2026