← Back to Petroleum County (1 courts)

Petroleum County Justice Court

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

E-Filing

Not available

Max Claim

$7,000

Courthouse Details

Petroleum County Justice Court

302 East Main

Winnett, MT 59087

Mailing Address

PO Box 226

Winnett, MT 59087

Phone: (406) 429-5104Fax: (406) 429-6328Email: wmenager@mt.gov

Hours: Mondays 9am-12pm and Thursdays 1pm-4pm

Area Served

Petroleum County

How to File at Petroleum 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.