New Mexico Pet and ESA Laws: The Landlord and Tenant Guide

Animals in a New Mexico rental fall into two very different legal buckets, and confusing them is where most landlord liability arises. An ordinary pet is governed by the lease and New Mexico law, so a landlord may set pet rules and charge a pet deposit within the state’s one-month deposit cap and may charge pet rent. A service animal or emotional support animal is not a pet under the federal Fair Housing Act or the New Mexico Human Rights Act, so the pet rules, fees, breed limits, and weight limits simply do not apply to it. This guide walks the whole framework, corrects a widespread error about New Mexico’s fake-service-animal statute, and ties every rule to the actual New Mexico code section so you can stay compliant.

Below you will find how New Mexico treats pet deposits, pet fees, and pet rent for an actual pet, the difference between a service animal and an emotional support animal, the single federal rule that an assistance animal is not a pet, the two questions a landlord may ask, the documentation you may and may not request, where a tenant gets a valid New Mexico emotional-support-animal letter, why New Mexico Code Section 28-11-6 actually does criminalize faking a service animal, the thirty-day security-deposit return rule, when you may deny a specific animal, and a step-by-step compliant process for both landlords and tenants. Where the analysis touches deposits, the details ride on the New Mexico security deposit laws.

Because the housing analysis turns on one distinction, the safest posture for a landlord is to run two separate tracks: a written pet policy for actual pets, and a reasonable-accommodation process for every assistance-animal request. The strongest position for a tenant is to know that a service animal or emotional support animal cannot be charged a pet deposit, a pet fee, or pet rent, and cannot be met with a breed or weight limit. Treat every figure and rule here as a starting point and verify the current law before you charge, pay, or dispute anything.

Before the New Mexico-specific rules, understand that assistance-animal law is primarily federal. Three statutes create overlapping duties for every rental owner, and none can be overridden by a state statute, a city ordinance, an association covenant, or a lease clause. State law can add protection on top of the federal floor, but it cannot subtract from it. The federal Fair Housing Act, at 42 U.S.C. Section 3604, prohibits disability discrimination in housing, including the refusal to make a reasonable accommodation, and it is the primary source of emotional-support-animal protection in a home.

The Americans with Disabilities Act governs service animals in places of public accommodation, which in a rental setting means the leasing office, public tour areas, and amenity spaces open to the public, not the private dwelling unit. Section 504 of the Rehabilitation Act, at 29 U.S.C. Section 794, reaches housing that receives federal financial assistance, such as public housing, Housing Choice Voucher units, and tax-credit properties. HUD’s former interpretation of the Fair Housing Act’s assistance-animal rules, Notice FHEO-2020-01, issued in twenty twenty, is no longer HUD guidance and is no longer a documentation authority: it was rescinded on September seventeen, twenty twenty-five, together with the 2013 notice it replaced, and the rescission was permanently reconfirmed in HUD’s Office of Fair Housing and Equal Opportunity enforcement memorandum of May twenty-two, twenty twenty-six. The duty it interpreted is unchanged — 42 U.S.C. Section 3604(f)(3)(B) and 24 C.F.R. Section 100.204 still require the accommodation, and 24 C.F.R. Section 5.303 still exempts assistance and support animals from pet rules in HUD-assisted housing — so documentation reliability now rests on the statute and the regulation as courts apply them.

On top of that federal floor sits the New Mexico Human Rights Act, at New Mexico Code Section 28-1-7, enforced by the New Mexico Human Rights Bureau. It makes disability discrimination in housing an unlawful practice, giving a tenant a state-law remedy for disability discrimination in housing in addition to the federal claim. Be precise about its limits: Section 28-1-7(G) is a straight non-discrimination prohibition and, on the published text we could read, it carries no reasonable-accommodation clause — the “reasonable accommodation” language elsewhere in Section 28-1-7 sits in subsections (J), (K) and (L), which are employment provisions on disability, pregnancy and childbirth, and not one of which is a housing clause. New Mexico publishes no free official full text, so treat that as our reading of a secondary rendering rather than a settled negative, and note that the Human Rights Commission regulations at 9.1.1.7 NMAC supply a definition of “reasonable accommodation” where the statute does not, as the Tenth Circuit recognized in Albert v. Smith’s Food & Drug Centers, Inc., 356 F.3d 1242 (10th Cir. 2004). The safe conclusion for a New Mexico rental is that the accommodation duty runs through the federal Fair Housing Act, with the state Act supplying the underlying disability non-discrimination rule and a state forum. The federal small-building and single-family exemptions, often called the Mrs.-Murphy exemptions, are narrower than most landlords assume and do not switch off the state Act, so a small New Mexico landlord should not assume a federal exemption lets them refuse an assistance animal. Where deposits enter the picture, they follow the New Mexico security deposit laws.

Pet deposits, pet fees, and pet rent are the most common points of daily confusion between landlords and tenants, and the single most common reason a tenant files a fair housing complaint. The rules break into two very different tracks depending on whether the animal is a pet or an assistance animal. For an ordinary pet, New Mexico gives a landlord real discretion, but inside a firm ceiling: under New Mexico Code Section 47-8-18(A)(2), part of the Uniform Owner-Resident Relations Act, a landlord may collect no more than one month’s rent as a deposit where the rental agreement runs for a duration of less than one year. A twelve-month lease is an annual agreement and falls under Section 47-8-18(A)(1) instead, which sets no ceiling but requires annual passbook interest once the deposit exceeds one month’s rent.

Because a pet deposit is up-front money held against the tenancy, it is generally treated as part of that security deposit and folds inside the one-month cap rather than being added on top of it, so a landlord on a short lease cannot demand a separate pet deposit that pushes the total above one month’s rent. For a lease longer than one year there is no dollar cap, but Section 47-8-18 then requires the landlord to pay the tenant annual interest on the deposit. Pet rent and a clearly disclosed nonrefundable pet fee are not capped by any New Mexico statute, so those track the local rental market and the lease. A landlord may charge a pet deposit inside the cap, monthly pet rent, and reasonable pet rules for a non-assistance animal, so long as the lease clearly identifies each charge and whether it is refundable.

The one hard rule cuts across every figure above: none of it applies to an assistance animal. A service animal or emotional support animal is not a pet, so a landlord may not charge it pet rent, a pet fee, or a pet deposit, and may not fold a charge for the animal into rent under another label. A dollar figure that is perfectly lawful for an actual pet becomes a fair housing problem the moment it is attached to a service animal or emotional support animal. Keep the market figures on the pet-policy track and off the accommodation track entirely.

How much can a landlord charge for pet rent in New Mexico?

No New Mexico statute caps pet rent for an actual pet, so the amount is set by the market and the lease rather than by law. As a rough market norm, and not a legal limit, monthly pet rent commonly runs from about twenty-five to seventy-five dollars per pet, a one-time pet fee often falls in the range of about two hundred to five hundred dollars, and any refundable pet deposit must sit inside the one-month total deposit cap where the agreement runs for less than one year, rather than on top of it. These are wide ranges that vary by city and building. Treat them as context for what a lease might say, not as numbers the law entitles a landlord to collect, and remember that none of them may attach to a service animal or emotional support animal.

Breed restrictions are among the most litigated parts of a rental pet policy. New Mexico has no statewide law that stops a private landlord from writing a breed or weight policy into a lease for ordinary pets, and many landlords tie the policy to their liability insurer’s excluded-breed list. Common private restrictions target pit bull types, Rottweilers, Doberman Pinschers, German Shepherds, Akitas, Chows, and wolf hybrids, or set a weight cap such as no pets over a stated number of pounds. An insurance-based breed policy is legitimate for an actual pet when the insurer actually excludes coverage for the breed.

The assistance-animal exception is absolute. No breed, size, or weight restriction may be applied to a verified assistance animal. A blanket breed ban applied to an animal that is a required reasonable accommodation is unlawful under the Fair Housing Act and 24 C.F.R. Section 100.204 themselves, because the accommodation must be judged on the individual animal’s own conduct rather than on its breed. Notice FHEO-2020-01 was formerly cited here, but it was rescinded on September seventeen, twenty twenty-five and it never established a per-se rule in any event. A ninety-pound service dog stays regardless of the building’s pet weight cap. The only permitted basis for denying a specific assistance animal is individualized, objective evidence that this particular animal poses a direct threat or would cause substantial physical damage, not that the breed as a category is presumed dangerous. A documented prior attack tied to that animal can support denial; a general article about a breed cannot.

A service animal is a dog — or in some cases a miniature horse — individually trained to do work or perform tasks for a person with a disability, such as guiding a person who is blind, alerting a person who is deaf, pulling a wheelchair, or interrupting a panic episode. The New Mexico Service Animal Act, at New Mexico Code Section 28-11-2, defines a qualified service animal in nearly the same terms, as a service dog or service miniature horse trained or being trained to assist an individual with a disability. The defining feature is the trained task tied to the disability. An emotional support animal provides therapeutic support for a person with a mental or emotional disability through its presence, is not trained to perform a specific task, and need not be a dog.

For housing, that training difference matters far less than people assume. Federal fair housing law treats both a service animal and an emotional support animal as assistance animals entitled to a reasonable accommodation. So while the line is sharp in a public-accommodation setting — where a service animal has broad access rights and an emotional support animal does not — in a rental the two collapse into a single category for the fee and accommodation analysis: neither is a pet, and neither may be charged a pet deposit, pet fee, or pet rent. A psychiatric service dog trained to perform a task is a service animal, not an emotional support animal. For a deeper comparison, see our guide to the difference between a service animal and an ESA for landlords.

Under the federal Fair Housing Act, an assistance animal is not a pet, and that single rule drives the housing analysis. A New Mexico landlord must make a reasonable accommodation to a no-pet policy to allow a tenant with a disability to keep an assistance animal, and may not charge a pet deposit, a pet fee, or pet rent for it. The no-pet clause that would bar an ordinary dog does not bar a service animal or emotional support animal, because the accommodation duty overrides the pet policy, and the New Mexico Human Rights Act reaches the same result under state law.

That does not leave the landlord without recourse for real harm. If the assistance animal causes actual damage beyond ordinary wear, the landlord may charge for that damage just as for any tenant-caused damage, and the tenant remains liable for the animal’s behavior. The prohibition is on charging in advance because the animal is present — a pet deposit or pet fee — not on recovering the cost of harm the animal actually does. A landlord may look to the ordinary security deposit f