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Los Alamos County Magistrate Courthouse

Filing information for Los Alamos County Magistrate Courthouse in Los Alamos, NM. Part of the Los Alamos County small claims court system.

E-FILE!

E-Filing

✓ Available

Max Claim

$10,000

Courthouse Details

Los Alamos County Magistrate Courthouse

2500 Trinity Drive, Ste D

Los Alamos, NM 87544

Mailing Address

2500 Trinity Drive, Ste D

Los Alamos, NM 87544

Phone: (505) 662-2727Fax: (505) 661-6258Email: lalmfilings-grp@nmcourts.gov

Hours: Monday - Friday: 8 a.m. to 4 p.m.

Area Served

Los Alamos County

How to File at Los Alamos County Magistrate Courthouse

E-filing available

This court accepts electronic filing for small claims cases.

Note: E-filing is available and mandatory for attorneys in Magistrate Courts. Self-represented litigants (pro se) cannot use the e-filing system. Los Alamos Magistrate Court also accepts filings via email at lalmfilings-grp@nmcourts.gov.

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.

File by email

Email submissions to lalmfilings-grp@nmcourts.gov.

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 New Mexico small claims court guide →

Data verified May 6, 2026.