Mary Masi, Esq. is a distinguished criminal defense attorney based in Los Angeles, specializing in high-stakes litigation and complex criminal cases. Recognized as a top criminal defense attorney in Southern California, she is known for her aggressive advocacy and impressive track record of dismissals, acquittals, and charge reductions, including a notable victory in a federal racketeering case valued at over $120 million.
With a reputation for thorough preparation and masterful courtroom skill, Attorney Masi personally handles all aspects of each case, ensuring no detail is overlooked. Her practice focuses on protecting clients’ freedom, reputations, and assets through strategic defense built on constitutional challenges, evidential scrutiny, and persuasive mitigation. She is highly respected by judges and peers, with a career marked by successful outcomes in both state and federal courts for individuals facing serious felony and misdemeanor charges.
Services Offered
- Trial attorney
- Criminal justice attorney
- DUI defense (alcohol and drugs)
- Fraud and conspiracy cases
- Civil RICO allegations
- Domestic violence defense
- Drug charges defense
- Weapons and firearms offenses
- White collar crime defense
- Violent crime defense
- Sex crimes defense
- Theft and larceny cases
- Burglary defense
- Robbery defense
- Manslaughter and vehicular manslaughter defense
- Homicide and murder defense
- Probation violations
- Bench warrants
- Hit and run cases
- Receipt of stolen property
- Assault and battery defense
- Resisting arrest and evading charges
- Arson defense
- Driver license suspension cases
- Driving with a suspended license
- Loitering and solicitation defense
- Gang injunctions and enhancements
- Federal criminal defense
- Professional license defense
- Wrongful death cases
- Discrimination cases
Admitted to practice in all California courts, Attorney Masi serves clients throughout Southern California and is a member of the Los Angeles Inns of Court Executive Committee. She is also a published author in the Los Angeles and San Francisco Daily Journal, contributing to discussions on contemporary issues in criminal justice.
