← Back to San Mateo County (1 courts)

Superior Court of California, County of San Mateo - Southern Branch: Hall of Justice and Records

Filing information for Superior Court of California, County of San Mateo - Southern Branch: Hall of Justice and Records in Redwood City, CA. Part of the San Mateo County small claims court system.

E-FILE!

E-Filing

✓ Available

Max Claim

$12,500

Courthouse Details

Superior Court of California, County of San Mateo - Southern Branch: Hall of Justice and Records

400 County Center, 1st Floor, Room A

Redwood City, CA 94063

Mailing Address

400 County Center, 1st Floor, Room A

Redwood City, CA 94063

Phone: (650) 261-5100Email: smallclaims@sanmateocourt.org

Hours: Monday - Friday: 8:30 a.m. - 1:00 p.m. (by appointment only)

Area Served

All of San Mateo County

How to File at Superior Court of California, County of San Mateo - Southern Branch: Hall of Justice and Records

E-filing available

This court accepts electronic filing for small claims cases.

Note: E-filing is mandatory for attorneys. Filers must select a third-party electronic filing service provider (EFSP) to file documents with the 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 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

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

Data verified May 6, 2026.