Sheriff Mascara is statutorily responsible for the administration of law enforcement service in St. Lucie County, managing detention facilities, providing court security, and serving civil process.
The St. Lucie County Sheriff's Office manages the county jail and court security systems. The Department of Detention and Court Services account for nearly half the agency's personnel and financial resources.
The Department of Professional Services and Technology includes Finance, Grants Administration, Information Technology, Purchasing, Human Resources and Records.