New Mexico Rent Late Fees: The Legal Limit and What a Fee Costs

New Mexico caps a residential late fee at 5% of the rent for each rental period in default. No statutory grace period applies. Source: N.M. Stat. § 47-8-15, verified November 7, 2026.

Last updated: October 2026

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The short answer: New Mexico caps a residential late fee at 5% of the rent for each rental period in default. The statute sets no mandatory grace period, so a fee may attach once rent is past due unless the lease provides otherwise. The governing provision is N.M. Stat. § 47-8-15, verified November 7, 2026.

New Mexico lowered its cap from 10% to 5% in 2025 (SB 267). The fee is calculated on rent only, not deposits, other fees or utilities, and the landlord must give notice of the fee by the last day of the next rental period.

What the New Mexico Statute Sets

Statutory ceiling5% of the rent for each period in default
Grace periodNone required by statute
StatuteN.M. Stat. § 47-8-15
VerifiedNovember 7, 2026
Applies toResidential tenancies. This page does not cover commercial leases; for one, check the lease.

Laws change. The figure above reflects the statute as read on November 7, 2026, and the link goes to the official text so the current version can be checked directly.

New Mexico Late Fee Calculator

Pre-filled with New Mexico's statutory rules and a fee at the statutory ceiling on $1,500 rent. Adjust the numbers to match the lease.

$

Your base monthly rent

$

The one-time fee charged when rent is late (enter 0 if the lease only charges a daily fee)

$

Any per-day charge that accrues while rent stays unpaid (enter 0 if none)

days

How many days past the due date rent is paid

days

Days after the due date before a fee applies, if the lease has one (enter 0 if none)

Total Late Charge

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Share of One Month's Rent

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Cost If It Recurred Monthly

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Days Subject to Daily Fee

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Enter your numbers to see results.

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What a Fee at the New Mexico Ceiling Costs

The statutory ceiling is a percentage or dollar figure, which makes it abstract until it meets a real rent number. Here is what the ceiling works out to across common rent levels in New Mexico, and what the same charge would total if it recurred every month for a year.

Monthly rentStatutory ceiling on the feeWhat that represents
$1,000$505% of rent · $600 if it recurred every month
$1,500$755% of rent · $900 if it recurred every month
$2,000$1005% of rent · $1,200 if it recurred every month
$2,500$1255% of rent · $1,500 if it recurred every month

The right-hand column is the figure that tends to surprise people. A late fee reads as a one-time nuisance, but a charge that repeats monthly is a recurring cost on the order of a rent increase.

When There Is No Written Lease

Month-to-month and handshake tenancies are common in New Mexico, and they raise a question the statute books answer indirectly: a late fee is a contract term, and an oral tenancy still has terms. A statutory cap comes from the statute, not the lease, so it can still matter when nothing was signed. What is missing is a written record of what was agreed.

Three things tend to matter in that situation. The first is whether the fee was ever communicated at all before it was charged. The second is whether rent has been paid late before without a fee being assessed, since a consistent past practice is itself evidence of what the parties understood the arrangement to be. The third is the record of payment dates — bank transfers, money order stubs, text messages acknowledging receipt — which establishes when rent actually arrived rather than when it was recorded.

How New Mexico Compares to Neighboring States

Late fee rules change sharply at state lines, which matters for anyone comparing rentals across a metro area that spans two states.

StateStatutory late fee limitGrace periodSource
ArizonaNo statutory capNone set by statuteSet by the lease
ColoradoGreater of $50 or 5% of past-due rent7 daysC.R.S. § 38-12-105
TexasPresumed reasonable if ≤ 12% (≤ 4 units) or ≤ 10% (> 4 units)Any portion of the rent must remain unpaid two full days after the date it was originally dueTex. Prop. Code § 92.019
UtahGreater of 10% of rent or $75None required by statuteUtah Code § 57-22-4

The full picture across all 51 jurisdictions is on the late fees by state index.

Common Questions About New Mexico Late Fees

What is the maximum late fee a landlord can charge in New Mexico?

New Mexico sets the ceiling at 5% of the rent for each rental period in default under N.M. Stat. § 47-8-15, verified as of November 7, 2026. The statute does not require a grace period, so the fee may apply once rent is past due. A lease may set a lower fee than the statutory ceiling, but a figure above it exceeds what the statute permits.

Does New Mexico require a grace period before a late fee applies?

As of November 7, 2026, N.M. Stat. § 47-8-15 does not set a grace period for this fee. Many leases include one as a contract term, so check the lease. Laws change, so confirm the current text.

Can a late fee in New Mexico be charged more than once on the same late rent?

That depends on how the lease is written. A single flat fee per late payment is the most common structure. Some leases add a daily charge that accrues while rent stays unpaid, which compounds the total well beyond the headline figure — the calculator on this page separates the flat fee from the daily accrual so the two are visible independently. The statutory ceiling in New Mexico is 5% of the rent for each period in default.

What happens if a lease in New Mexico sets a late fee above the statutory cap?

A lease figure above the statutory limit goes beyond what the statute allows. What follows depends on the facts and on how the statute is applied, so a local tenant resource or a lawyer is the place to ask. Keep the lease, what was charged, and the payment record. New Mexico's provision is at N.M. Stat. § 47-8-15.

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