Las Cruces runs shorter leases than most New Mexico markets, and the deposit cap is tied directly to lease length. That makes the term itself a compliance input rather than a commercial detail.

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New Mexico rules that apply here
For agreements of a year or less the deposit may not exceed one month's rent. A portfolio letting on nine-month or month-to-month terms is squarely inside that limit, so there is no headroom for the higher deposits sometimes used to offset perceived risk on short tenancies. The commercial instinct and the statutory limit point in opposite directions, and the statute wins.
Because the cap follows the agreement rather than the unit, the same property can carry different permitted maximums across successive tenancies. We record the term alongside the deposit so the permitted figure is evidenced per tenancy rather than assumed from the property record.
The itemisation obligation is unchanged by any of this: an itemised written list of deductions and the balance within 30 days of termination or departure, whichever is later. Where a deposit is capped at a single month, the practical consequence of losing the right to retain it is proportionally larger, because the deposit rarely covers the damage in the first place.
New Mexico 47-8-18 ties the cap to LEASE LENGTH rather than to the unit: one month's rent for agreements of a year or less. The itemised written list of deductions and the balance are due within 30 days of termination of the rental agreement or the resident's departure, WHICHEVER IS LATER, so assuming the clock starts at move-out uses the earlier date.
Where a landlord collects more than one month's rent, annual interest is owed to the tenant on the portion EXCEEDING one month. That splits a single deposit into two components with different treatments: the base month as an ordinary trust liability, and the excess as an accruing one. A ledger holding one figure per tenant cannot compute the obligation, and because the threshold is one month's RENT, a rent increase shrinks the excess without the deposit changing.
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No. For agreements of a year or less the cap is one month's rent, which is the opposite of the commercial instinct on short tenancies.
The lease. The same unit can carry different permitted maximums across successive tenancies, so we record the term alongside the deposit rather than assuming it from the property.
Proportionally larger. With deposits capped at a single month they rarely cover the damage anyway, so losing the right to retain leaves very little recovery.
Other New Mexico markets, the platforms we work in, and the functions available on their own.
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