Landlord Tools

New Mexico Security Deposit Law

What landlords in New Mexico need to know about deposit limits, refund deadlines, interest, and penalties for getting it wrong.

Deposit cap

1 month's rent for leases under 1 year (no statutory cap for longer leases)

Refund deadline

30 days

Interest required?

No

Interest is required only on deposits held more than 1 year, at a statutory rate for longer-term leases.

Separate account?

Not required

Penalty for noncompliance

Bad-faith retention can result in actual damages plus statutory penalties.

Statute: N.M. Stat. § 47-8-18

This page summarizes general state-level rules as of 2026 and does not cover city or county ordinances, which can be stricter. Verify against the statute cited above or with a local attorney before relying on it. See all states.