Maryville operates a police department consisting of more than 13 officers to protect and serve the residents and visitors of the Village of Maryville. The services provided by the department include:
The department also participates in neighborhood watch and in the Collinsville D.A.R.E. program.
The lobby is open to the public 24 hours a day; however, the office staff is only available for customer assistance Monday through Friday from 8:00 am to 4:30 pm.
During non-business hours, lobby traffic is monitored via camera by the dispatch center. In addition, there is a call station on the wall that goes directly to the 9-1-1 / dispatch center for officer assistance.