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Courthouse Annex

Filing information for Courthouse Annex in Colusa, CA. Part of the Colusa County small claims court system.

E-FILE!

E-Filing

✓ Available

Max Claim

$10,000

Courthouse Details

Courthouse Annex

532 Oak St

Colusa, CA 95932

Mailing Address

532 Oak Street

Colusa, CA 95932

Phone: (530) 458-5149Fax: (530) 458-2230

Hours: Monday - Friday: 8:30am - 5:00pm

Area Served

All of Colusa County

How to File at Courthouse Annex

E-filing available

This court accepts electronic filing for small claims cases.

Note: E-filing is permissive and not mandatory for all litigants in Colusa County Superior Court. Certain documents, such as wills, bonds, and subpoenaed documents, may not be electronically filed.

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 get your money back?

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

Read the demand letter guide

Wrong court? Colusa County has 2 courts.

See all 2 courts in Colusa County

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

Data verified May 6, 2026.