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Warren County Circuit Court

Filing information for Warren County Circuit Court in Warrenton, MO. Part of the Warren County small claims court system.

E-Filing

Not available

Max Claim

$5,000

Courthouse Details

Warren County Circuit Court

104 W Main

Warrenton, MO 63383

Mailing Address

104 W Main

Warrenton, MO 63383

Phone: (636) 456-3363Fax: (636) 456-2422

Hours: 8:00 AM - 4:30 PM

Area Served

Warren County

How to File at Warren County Circuit 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 Missouri small claims court guide →

Data verified May 6, 2026.