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Humboldt County Superior Court - Civil Division

Filing information for Humboldt County Superior Court - Civil Division in Eureka, CA. Part of the Humboldt County small claims court system.

E-Filing

Not available

Max Claim

$12,500

Courthouse Details

Humboldt County Superior Court - Civil Division

421 I Street

Eureka, CA 95501

Mailing Address

825 Fifth Street

Eureka, CA 95501

Phone: (707) 445-7256

Hours: 9:00 a.m. - 2:00 p.m.

Area Served

All of Humboldt County

How to File at Humboldt County Superior Court - Civil Division

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.