Location Monitoring (LM) is a cost-effective alternative to detention. It is a special condition imposed by the Court that requires an individual to remain at home except for certain approved activities such as work, court appearances, religious services, and medical appointments. There are three components of location monitoring: Home Incarceration, Home Detention, and Curfew.
Home Incarceration is the most restrictive, requiring 24-hour lockdown except for medical needs, court appearances, and activities approved by the court.
Home Detention requires the participant to remain at home except for pre-approved absences for employment, education, religious services, treatment, and court obligations.
Curfew is the least restrictive and requires the participant to remain at home during set periods of the day.
Stand Alone Monitoring (SAM) operates in conjunction with GPS technology and is used to enforce a specific condition of release. It is not a means of monitoring home incarceration, home detention, or a curfew. SAM ensures the defendant remains in a specific geographical area, complies with attendance at a specific program, or stays out of a specified area.
The following are various types of technology used to monitor the above-mentioned components of Location Monitoring (photos courtesy of BI):
Radio Frequency (RF)
RF technology utilizes a transmitter and Field Monitoring Device (FMD), which is placed in a defendant’s residence. The FMD requires a analog phone line and power source. Currently the cost is $1.98 per day for the landline unit and $3.60 per day for the cellular unit (subject to change).
Global Positioning System (GPS)
GPS uses a tracking device to record the locations of defendants in the community. This information is immediately available to the officer for review. Currently the cost is $4.15 per day (subject to change).
Alcohol Testing Device (Sobrietor)
The Sobrietor is currently $2.98 per day (subject to change) and requires an analog phone line. The sobrietor must be imposed with one of the LM components (Home Incarceration, Home Detention, or Curfew).
Alcohol Testing Device (Soberlink)
The Soberlink SL3 is currently $5.30 per day (subject to change) and requires a cellular phone. The Soberlink SL2 may be used in conjunction with one of the LM components (Home Incarceration, Home Detention, or Curfew).
Location Monitoring Schedule Request Line: 206-428-1744
2022 Holiday Schedule
Location Monitoring Brochure
Location Monitoring FAQs
Financial Resources Assessment Form (FRAF)
Location Monitoring Schedule Form
Location Monitoring Schedule Change Request
Telephone Release Form
Local Overview - RF
Local Overview - GPS