Idaho Maximum Security Institution (IMSI)
IMSI opened in November 1989 to confine Idaho's most disruptive male residents. It has a capacity of 549 residents and is located within a double perimeter fence reinforced with razor wire and an electronic detection system. The population is primarily comprised of close custody and administrative segregation residents. IMSI also operates the state Secure Mental Health Facility, which houses residents under the sentence of death, and residents who are Idaho Security Medical Program (ISMP)
Warden: Randy Valley
Contact
Email: imsi@idoc.idaho.gov
Phone: 208-338-1635
Visiting
NOTE : Idaho code 18-5210 states that a person commits a crime by knowingly introducing or possessing contraband in a correctional facility. Contraband includes, but is not limited to tobacco, cell phone(s) or telecommunication equipment, controlled/illegal substances, firearms or dangerous weapons, ammunition/explosives and escape tools or devices. Violations are punishable by imprisonment of up to 5 years and/or fine of up to $10,000.
Please read and be familiar with the Visiting Rules for Residents and Visitors and complete the visiting application process before visiting the facility.
Visiting schedules are subject to change based on emergency situations.
