The sheriff’s office criminal division consists of patrol, detectives, and the marine unit, and is overseen by Undersheriff Art Frank. There are currently thirteen patrol deputies, two patrol sergeants, two patrol captains, and three detectives. The Marine Unit is a part-time unit made up of personnel from throughout the Criminal Division.
By law, Washington Sheriffs are responsible for operating a jail and providing jail services. The Jefferson County Jail is overseen by Jail Superintendent David Fortino, and employees both sworn corrections officers and sergeants, as well as non-sworn civilian personnel.
The Administrative Division is responsible for records, evidence, permits, and other office-related functions. This division consists of both full-time and part-time civilian employees, and is overseen the Sheriff's Confidential Secretary, Amanda Hamilton.
The Jefferson County Sheriff’s Office employs a full-time Animal Control Deputy, whose mission is to care for the community’s concerns about domestic animals. The Animal Control Deputy reports to one of the patrol sergeants.