Calvert County Sheriff's Office The Sheriff’s Office was established in 1654, and is the primary law enforcement agency for Calvert County. The mission of this office is to protect and serve the citizens by enforcing the laws of the land.
Maryland State Police In 1935, the Maryland State Police was established as a separate unit of state government. Along with the Sheriff’s Office, troopers enforce criminal laws and traffic laws on Calvert County roadways.
Maryland Natural Resources Police The Maryland Natural Resources Police is the oldest state law enforcement agency and one of the oldest conservation law enforcement organizations in the United States. They are tasked with enforcing fish, boating, boating education, game laws, and conservation.