Practice Areas:
"Trey Porter is a San Antonio DWI lawyer and the founder of Trey Porter Law, a Texas criminal defense firm representing people accused of DWI, Public Intoxication, DUI Minor, Boating While Intoxicated, and other intoxication offenses in San Antonio, Bexar County, and across Texas. For more than 15 years, Trey Porter has defended nurses, physicians, and other healthcare professionals working in the South Texas Medical Center; active-duty service members, veterans, and civilian personnel connected to Joint Base San Antonio; and professionals employed by USAA, Valero, H-E-B, and other major San Antonio organizations. His clients also include executives, business owners, teachers, students, elected officials, and visitors arrested in San Antonio. Trey Porter Law defends people facing first-time DWI, repeat DWI, felony DWI, DWI with a child passenger, DUI Minor, Public Intoxication, and related driver’s license consequences. The firm examines traffic stops, reasonable suspicion, probable cause, field sobriety testing, blood and breath evidence, search warrants, laboratory procedures, and constitutional violations while representing clients in Bexar County courts. Trey Porter is an NHTSA-Certified Practitioner in Standardized Field Sobriety Testing and has handled more than 1,000 criminal and intoxication-related matters. He has been voted a Scene in S.A. Magazine Best SA Lawyer for intoxication defense for 10 consecutive years, from 2016 through 2026. His legal commentary has been featured by USA Today, Forbes, ABC, and NBC. Dismissal is the goal in every case. Trey Porter Law also helps Texans clear criminal records through expunctions and orders of nondisclosure.
2026 Highlights: Trey Porter Law has 40+ years of combined experience, serves 254 Texas counties, and offers free DWI consultations."







