← Back to Jefferson County (1 courts)

Jefferson County Justice Court

Filing information for Jefferson County Justice Court in Boulder, MT. Part of the Jefferson County small claims court system.

E-Filing

Not available

Max Claim

$7,000

Courthouse Details

Jefferson County Justice Court

108 S. Washington Street

Boulder, MT 59632

Mailing Address

P.O. Box H

Boulder, MT 59632

Phone: (406) 225-4055Email: justicecourt.jefferson@mt.gov

Hours: Monday - Friday: 9:00 AM to 12:00 PM; 1:00 PM to 5:00 PM

Area Served

Jefferson County

How to File at Jefferson County Justice Court

File in person

Bring your completed forms to the courthouse during business hours.

File by mail

Most small claims courts accept filing by mail — check with this court first. Typically you mail your completed forms with the filing fee plus a self-addressed stamped envelope for your returned copies.

Ready to take action?

A demand letter often settles disputes before a case is ever filed — and it only takes a few minutes.

Read the demand letter guide

For statewide rules, see the full Montana small claims court guide →

Data verified May 6, 2026.