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Patrol Division

CHELSEA-PD-17-200x300The Chelsea Police Patrol Division consists of one Captain, three Lieutenants, nine Sergeants, and approximately fifty Patrol Officers.
The Division Commander is  Captain William Dana.

Patrol shifts are non-rotating and consist of three eight-hour shifts: the Day Shift, the First Half Shift and the Last Half Shift. Each shift is comprised of one Lieutenant, three Sergeants and three squads of patrol officers. A Lieutenant commands each shift and each squad is led by a Sergeant. In addition, there is an overlapping “Impact” shift from 5 p.m. to 3:30 a.m. each night. There are also three “K9″ officers assigned to the patrol division.


The patrol division is the largest division in the Chelsea Police Department. It operates year-round- seven days a week, twenty-four hours a day. The function of the patrol division is to provide uniformed patrol coverage to all areas of the city. Officers conduct patrols on foot, bicycle, and in motor vehicles. They respond to emergencies such as crimes in progress, motor vehicle accidents, injuries, illness, and fires. They routinely investigate citizen complaints; arrest offenders; appear in court; provide traffic control and enforcement; and attend community based meetings.

The primary goal of the patrol division is the prevention of crime and disorder by adhering to the community policing philosophy; which was adopted by this department over fifteen years ago. Under the community policing philosophy, officers are assigned to designated areas of the city, called sectors. Each officer has the responsibility of addressing the concerns in their area with the assistance of specialized units and community members.

The Patrol Division additionally provides service to the community by responding to emergency 9-1-1 calls on a daily basis. Annually the Chelsea Police Department receives approximately 35,000 calls for service. Of the 35,000 calls received, approximately 5,500 are documented as incidents requiring reports. We also investigate on average 700 motor vehicle accidents per year and arrest approximately 2,000 individuals annually.

Captain William Dana
617-466-4841