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Lassen County Superior Court

Filing information for Lassen County Superior Court in Susanville, CA. Part of the Lassen County small claims court system.

E-Filing

Not available

Max Claim

$12,500

Courthouse Details

Lassen County Superior Court

2610 Riverside Drive

Susanville, CA 96130

Mailing Address

2610 Riverside Drive

Susanville, CA 96130

Phone: (530) 251-8205Fax: (530) 251-2115

Hours: Monday - Friday: 8:00 AM - 4:00 PM

Area Served

All of Lassen County

How to File at Lassen County Superior 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 California small claims court guide →

Data verified May 6, 2026.