Jefferson County Jail
Montana
Jefferson County Detention Center
The Jefferson County Detention Center in Boulder is operated by the Jefferson County Sheriff's Office.
- Address
- 110 S Washington Street, Boulder, MT 59632
- Phone
- (406) 225-4075
How to find an inmate
To check whether someone is held at the Jefferson County Detention Center in Boulder, call the Jefferson County Sheriff's Office at (406) 225-4075 with the person's full name and date of birth. For people sentenced to state prison, use the Montana Department of Corrections offender search (ConWeb).
Visitation
The Jefferson County Sheriff's Office sets visitation rules for the detention center in Boulder. Visitors should expect to show valid photo ID and follow the facility's conduct and dress rules. Call the facility to confirm current visiting times and any scheduling requirements.
Bail and bond
Bail for people held at the Jefferson County Detention Center is set by a judge or by a court bail schedule. Call the detention center to find out the bail amount and accepted forms of payment. Licensed Montana bail bond agents can also post bonds.
Mail and money
Send inmate mail to the facility address in Boulder with the inmate's full name on the envelope. All mail is inspected, and restricted items are rejected. Call the Jefferson County Sheriff's Office to confirm current mail rules and how to deposit money to an inmate's account.
Frequently asked questions
How do I find out if someone is in the Jefferson County Detention Center?
Call the Jefferson County Sheriff's Office at (406) 225-4075 with the person's full name and date of birth.
What is the address of the Jefferson County Detention Center?
The address is 110 S Washington Street, Boulder, MT 59632.
How do I post bail in Jefferson County?
Call the detention center for the bail amount and payment options, or use a licensed Montana bail bond agent.
Can I send money to an inmate at the Jefferson County Detention Center?
Inmates can usually receive money on their accounts. Call the facility to confirm the current deposit methods.