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Contact
Email
Phone
512-396-0066
Address
San Marcos, TX, 78666-5509, US
Professional
Bar Number
10571950
About
Mark Janssen is a criminal defense attorney practicing in San Marcos, Texas. He is admitted to the Texas Bar and focuses his practice on criminal law matters. Mr. Janssen's bar number is 10571950. He is located at 110 E San Antonio St in San Marcos, TX.
About Criminal Law
Criminal attorneys represent individuals accused of crimes, protecting their constitutional rights throughout the legal process. They work to achieve the best possible outcome. Common matters include felonies, misdemeanors, drug crimes, violent crimes.
Other Criminal Attorneys in San Marcos, TX
Updated: May 29, 2026Verified: Apr 27, 2021