MarQuite’ Mayes serves as a Legal Advisor for the Dallas County Sheriff’s Department. Her career in the criminal justice system has included multiple roles. As an Assistant District Attorney, she handled misdemeanor and felony cases and served as lead prosecutor on complex drug-trafficking cases referred to the District Attorney’s Office by the Drug Enforcement Administration (DEA). She later entered private practice, where she founded and managed her criminal defense firm, representing both retained and court-appointed clients.

The Dallas County Sheriff’s Office is the chief law enforcement agency in the county. Established on March 30, 1846, we operate the seventh-largest jail in the United States with an average jail population of over 6,000 inmates and more than 2,000 employees.
Latest News
Dallas County Sheriff’s Office 2024 Annual ReportJune 18, 2025 - 11:54 am
Dallas County Jail Passes State Jail InspectionJanuary 25, 2024 - 4:00 pm
Our Address
Frank Crowley Courts Building
133 N. Riverfront Boulevard, Dallas, TX 75207
Main Distpatch/Emergency Telephone:
(214) 749-8641Fax: (214) 653-3420
Jail/Inmate Information:
(214) 761-9025
PREA Inquiry:
(214) 653-3419
SheriffPREA@dallascounty.org
Warrant Information:
(214) 761-9026
