Montana · Boulder

Jefferson County Public Records & Jail Directory

Independent public records directory for Jefferson County, Montana (County Seat: Boulder, Population: 13,048). Access verified county jail custody rosters, bail schedules, commissary procedures, and official sheriff facility contacts.

Jurisdiction Status
Custody Status 17 active inmates
State Jurisdiction MT
County Population
13,048
Census estimate
Current Jail Roster
17
Active detainees in facility
County Seat
Boulder
Primary administrative center
⚖️
Legal Directory Sixth Amendment Rights

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Connect with licensed attorneys for bail reduction, docket representation, and case defense.

Custody Directory

County Custody Portal & Roster Directory

Inmate Search Sheriff / Detention

Jefferson County Jail Inmate Search & Custody Roster

Search Jefferson County current custody rosters, recent bookings, criminal charges, and bail bond amounts.

Facility: Jefferson County Detention Center
Location: 110 S Washington St, Boulder, MT 59632
Phone: (406) 225-4091
Commissary: Inmate Canteen
Facility & Inmate Services Visitation & Mail

Jefferson County Detention Center

Physical detention facility operations, detainee account funding, visitation rules, and mail guidelines for Jefferson County.

Facility Inquiries: Call booking desk at (406) 225-4091 for current visitation and mail delivery requirements.
Custody Statistics

Jefferson County Custody Profile & Booking Trends

Active custody statistics, recent booking patterns, and top charges for Jefferson County.

Active Custody Snapshot
Aggregated from 17 verified records

As of the most recent official sheriff custody read, Jefferson County (MT) holds an active detention census of 16 individuals in custody. Due to the small facility population size, aggregate statistical distributions, median bail values, and demographic proportions are deliberately withheld to preserve individual privacy and maintain statistical validity. All currently detained persons are cataloged with official booking identifiers, statutory charges, and holding agencies in the real-time custody roster below.

Agency Directory

Jefferson County Law Enforcement & Courthouse Directory

Verified contact information and physical office addresses for local county authorities.

Sheriff Department

Tom A. Grimsrud

Headquarters: 110 S Washington St, Boulder, MT 59632
Phone: (406) 225-4075
Detention Center

Jefferson County Detention Center

Address: 110 S Washington St, Boulder, MT 59632
Booking Line: (406) 225-4091
Trust / Commissary: Inmate Canteen
Jefferson County Public Records Compliance & Corrections Independent Directory · Free 72-Hour Expungement Review

Custody information is synchronized from official public sheriff records. In accordance with the US Constitution, all arrestees are presumed innocent until proven guilty in a court of law. To submit court-ordered expungements, dismissals, or report a data discrepancy, access our free compliance desk.

Regional Coverage

Surrounding County Records in Montana

Jail rosters in adjacent counties:

Answers

Jefferson County Custody & Records FAQ

Direct answers regarding Jefferson County inmate searches, detention facilities, and bail procedures.

How many inmates are currently detained in Jefferson County?

According to verified public custody records as of the most recent verification on Oct 17, 2026, there are 17 individuals listed in Jefferson County custody.

What is the main jail facility in Jefferson County and how can I contact them?

The primary detention facility is Jefferson County Detention Center, located at 110 S Washington St, Boulder, MT 59632. For booking verification, housing inquiries, or visitation scheduling, the facility desk can be reached at (406) 225-4091.

How do bail and bond postings work in Jefferson County?

Bail is established according to the local judicial bond schedule or set by a magistrate judge during initial appearance hearings. Bail may be posted via cash directly at the detention facility or through state-licensed surety bail bond agents.

How frequently is the Jefferson County custody roster updated?

Custody records for Jefferson County are scheduled for automated daily synchronization from official public sheriff booking portals. The exact verification timestamp for Jefferson County is displayed on the roster to ensure full data transparency.

Legal Notice
Fair Credit Reporting Act (FCRA) compliance

This website is an independent, non-governmental informational directory indexing publicly available county records, court clerks, and sheriff department resources. We are NOT a consumer reporting agency. The records referenced herein are public information and may not be used for employment screening, tenant background checks, insurance underwriting, or consumer credit assessment under 15 U.S.C. § 1681.