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New Mexico Security Deposit Laws: 1-Month Cap (Leases Under 1 Year) with Penalties

By Jennifer Torres

New Mexico limits security deposits to 1 month rent for leases under 1 year, with no statutory limit for longer-term leases. Landlords must return deposits within 30 days with a detailed written itemized statement of deductions. If a landlord wrongfully withholds your deposit, you can recover actual damages plus up to $250 plus attorney’s fees, providing meaningful protections for tenants.

The Short Answer

New Mexico caps security deposits at 1 month rent for leases lasting under 1 year; leases of 1 year or longer have no statutory cap. Landlords must return deposits within 30 days with an itemized statement of deductions. Wrongful withholding allows you to recover actual damages plus up to $250 in additional damages plus attorney’s fees, making New Mexico relatively tenant-friendly.

Security Deposit Cap

New Mexico’s deposit cap depends on the lease length:

If you are signing a month-to-month or short-term lease with monthly rent of $1,200, the maximum security deposit is $1,200. However, if you sign a 1-year lease, the landlord can collect any amount as a security deposit (though they may be limited by market norms and lease negotiations). All deposits, regardless of cap status, must still be returned within 30 days with proper itemization.

The 30-Day Return Deadline

Under New Mexico Statute § 47-8-18, landlords must return security deposits or provide a written itemized statement of deductions within 30 days after the lease terminates. The 30-day window is strict—failure to meet it can expose landlords to damages and attorney’s fees. Landlords should mail the deposit or statement to your last known address unless you provide alternative instructions in writing.

What Can a New Mexico Landlord Legally Deduct?

New Mexico law permits landlords to deduct only for actual costs and documented damage. Allowable deductions include:

Each deduction must be itemized with a description and, ideally, supported by receipts or repair estimates.

What Is Normal Wear and Tear in New Mexico?

New Mexico recognizes normal wear and tear as the expected deterioration from ordinary residential living. Landlords cannot charge tenants for these predictable conditions.

Examples of normal wear and tear:

Examples that are NOT normal wear and tear:

Penalties for Wrongful Withholding

New Mexico imposes meaningful penalties for wrongful deposit withholding. If a landlord wrongfully withholds your security deposit, you can recover:

For example, if a landlord wrongfully withholds $300 of your deposit, you could recover $300 in actual damages plus up to $250 in statutory damages plus attorney’s fees—totaling potentially $550 or more. This penalty structure strongly incentivizes landlord compliance.

How to Get Your Deposit Back in New Mexico

  1. Provide your mailing address — Before move-out, ensure your landlord has your current mailing address for returning the deposit or itemized statement.

  2. Document the unit’s condition — Take detailed photos and video of every room and area at move-out showing the condition. Store these files securely.

  3. Keep your lease and correspondence — Maintain copies of your signed lease, move-in inspection reports (if any), and any written communications with the landlord.

  4. Watch the 30-day deadline — Calculate the deadline based on your lease termination date. If you do not receive the deposit or itemized statement by day 30, the landlord is in violation.

  5. Request the itemized statement — If the landlord does not provide the statement by the deadline, send a certified letter demanding it immediately.

  6. Review deductions carefully — Compare each claimed deduction against your documentation, move-in condition, and the lease terms. Identify any vague or excessive claims.

  7. Gather supporting evidence — Collect move-in photos, repair estimates, lease language, or written correspondence that contradicts claimed deductions.

  8. Send a demand letter — If deductions are unjustified or the deadline was missed, send a certified demand letter requesting return of the wrongfully withheld amount.

  9. File in small claims court — If the landlord does not respond, file a lawsuit in New Mexico small claims court for actual damages plus up to $250 plus attorney’s fees.

  10. Bring evidence to court — Present your lease, photos, demand letter, and any other documentation supporting your claim.

Key Statute

N.M. Stat. Ann. § 47-8-18 — New Mexico’s security deposit law establishing the 1-month cap for leases under 1 year, 30-day return requirement, itemization rules, and penalties of actual damages plus up to $250 plus attorney’s fees for wrongful withholding.

Real Situations in New Mexico

In Albuquerque, a tenant signed a six-month lease with a $1,200 monthly rent and paid a $1,200 security deposit (compliant with the 1-month cap for leases under 1 year). Upon move-out, the landlord returned the deposit after 28 days but claimed a $400 deduction for “paint touch-ups” without an invoice or receipt. The tenant objected in writing within 7 days, citing N.M. Stat. Ann. § 47-8-18. The landlord refused to provide documentation. The tenant sued in small claims court and recovered the wrongfully withheld $400 plus $250 in statutory damages plus attorney’s fees, totaling approximately $800.

A Las Cruces landlord rented a home to a tenant under a 2-year lease and collected a $2,500 deposit (no statutory cap applies to leases over 1 year). The landlord returned the deposit after 35 days (five days late) with a detailed itemization claiming $600 for carpet replacement and $400 for painting. However, the invoices were dated 10 days after move-out, and the contractor work had been performed on a different property. The tenant challenged both the late return and the fraudulent deductions. New Mexico courts take late returns and fraudulent claims seriously. The tenant recovered the $1,000 in wrongfully withheld amounts plus up to $250 in statutory damages plus attorney’s fees.

In Santa Fe, a tenant provided a forwarding address and moved out on the last day of the lease term. The landlord returned the deposit after 32 days with no itemization at all—just a check and a note saying “deposit returned.” This failure to provide an itemized statement is a per se violation of N.M. Stat. Ann. § 47-8-18. Even if there were no wrongful withholding, the lack of itemization is itself a violation. The tenant could sue for this procedural violation alone and potentially recover statutory damages.

Common Mistakes New Mexico Tenants Make

Not verifying which deposit cap applies based on lease length. If your lease is for less than 1 year, the cap is 1 month’s rent. If it is for 1 year or longer, there is no cap. Before signing, calculate the cap and ensure the landlord’s deposit demand complies. If it exceeds the cap, object immediately and negotiate it down, or document the overage for later recovery.

Accepting deductions without itemization or refusing to provide itemization in writing. If the landlord returns the deposit without a written itemized statement, or if the statement is vague or undocumented, respond within 7 days with a certified letter demanding a detailed, documented itemization. A landlord’s failure to provide this is itself a violation of the law, separate from the merits of the deductions.

Not challenging late returns immediately. The 30-day deadline is strict. If the landlord returns the deposit on day 31 or later, send a certified letter within 5 days citing the deadline violation. The late return, even by one day, combined with any deductions, can support a claim for actual damages plus up to $250 statutory damages plus attorney’s fees.


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