Oscar G. Trevino

O'Hanlon, Demerath & Castillo·Austin, TX·34 years licensed

Oscar G. Trevino is a lawyer in Austin, TX who works for O'Hanlon, Demerath & Castillo. Practice areas include Administrative and Public, Business, Civil Rights. Court admissions include Fifth Circuit Court of Appeals, Texas Eastern District Court. Licensed in Texas since 1991. Graduated from University of Texas in 1991.

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● 6 PROFILE VIEWS (30D)

Law school

University of Texas

Class of 1991

Bar admission

1991

State Bar of TX

Office

808 West Avenue

Austin, TX

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.

Walsh Gallegos Trevino Kyle & Robinson PAS OF MAY 2023
Private Law Practice · Austin, TX
O'Hanlon, Demerath & CastilloAS OF APR 2026
Private Law Practice · Austin, TX

Case history

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