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Free New Mexico Lease
Extension Addendum Template

The agreement is signed by the same parties as the lease it attaches to.

Last reviewed September 2026

Written by LawLease Editorial

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New Mexico Lease Extension Addendum

This Lease Extension Addendum is built with New Mexico as the governing state. These are the New Mexico landlord-tenant rules that most often bear on it, with the statute for each.

New Mexico rules at a glance

New Mexico rules for a Lease Extension Addendum
Month-to-month termination30 days’ written notice before the periodic rental dateNMSA §47-8-37
Rent-increase notice30 days’ written notice before the periodic rental date, or before the end of a fixed termNMSA §47-8-15
Rent controlProhibited statewideNMSA §47-8A-1
Rent increasesIn a month-to-month residency the owner must give written notice of an increase at least 30 days before the periodic rental date; for a fixed term, at least 30 days before the term ends. For a periodic residency shorter than a month, notice must come at least one rental period ahead (§47-8-15).

Rent, late fees & fee rules

Rent is payable without demand or notice at the time and place the parties agree (§47-8-15). Senate Bill 267, effective June 20, 2025, rewrote the fee rules — leases drafted before then often recite limits the law no longer allows.

  • Late fees — A late fee is allowed only if the rental agreement provides for one, and it can’t exceed 5% of the rent for each rental period the resident is in default. The 5% is calculated on rent alone — not deposits, other fees or utilities — and the owner must give notice of the fee no later than the last day of the next rental period (§47-8-15(D)).
  • Rent increases — In a month-to-month residency the owner must give written notice of an increase at least 30 days before the periodic rental date; for a fixed term, at least 30 days before the term ends. For a periodic residency shorter than a month, notice must come at least one rental period ahead (§47-8-15).
  • Fee increases — Since 2025, raising a recurring fee also requires advance written notice — 60 days for a month-to-month residency (§47-8-19.4).
  • Screening fees — An applicant screening fee is capped at $50, must be refunded if no screening is done, and only one fee may be charged to the same applicant within 90 days (§§47-8-19.2, 47-8-19.3). All rental costs must be itemized in the published listing (§47-8-19.1).
  • Rent control — Cities and counties — including home-rule municipalities — may not enact rent control on privately owned housing (§47-8A-1). A 2025 bill to repeal the ban (SB 216) did not pass.

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