§PlainStatute

Housing · Warranty of habitability

Warranty of Habitability in New Jersey

What a landlord in New Jersey must keep livable, and your remedy when they do not: whether you can withhold or escrow rent, or must use another route. This is the landlord duty behind the repair-and-deduct remedy. Cited to the statute.

Confirmedagainst Marini v. Ireland, 56 N.J. 130 · established by case law; statute code checked for a superseding ruleReviewed by Cholilurrohman · July 2026
Warranty of habitability · New Jersey
New Jersey’s warranty of habitability comes from Marini v. Ireland, which read an implied covenant of habitability into every residential lease. Berzito v. Gambino later made the duty to pay rent and the duty to keep the unit habitable mutually dependent, so a tenant can raise a breach as a defense and setoff. There is no habitability statute.
Case-law warranty, mutually dependent rent
Withhold rent?Case-law warranty, mutually dependent rent
Core rule (Berzito)Rent and habitability mutually dependent
StatuteMarini v. Ireland, 56 N.J. 130

What the warranty of habitability covers in New Jersey

What the landlord must maintain, whether you can withhold or escrow rent, and the limits on the remedy.

What the law saysWhat it means
Marini v. Ireland established the warrantyMarini held that in a residential letting the landlord is bound by an implied covenant of habitability and livability fitness: at the inception of the lease there are no latent defects in facilities vital to residential use, and those facilities will remain in usable condition during the entire term. It is the decision that created the warranty in New Jersey.
Berzito made rent and habitability mutually dependentBerzito v. Gambino held that the tenant’s covenant to pay rent and the landlord’s covenant to maintain a habitable condition are for all purposes mutually dependent. In a suit for unpaid rent the tenant may plead a breach as a defense and setoff, and the tenant is charged only with the reasonable rental value of the property in its imperfect condition.
An eight-factor test for breachBerzito set out factors that weigh whether the warranty was breached, including whether a housing or sanitary code was violated, whether a vital facility is affected, the effect on safety and sanitation, how long the defect persisted, the age of the structure, the amount of rent, whether the tenant waived or is responsible, and more. The list is suggestive rather than exhaustive.
Where it does not applyWhat it means
Notice and a reasonable time firstBerzito requires the tenant to give the landlord positive and seasonable notice of the defect, request its correction, and allow a reasonable time to repair before suing. Not every inconvenience counts. The condition must be serious enough to truly render the premises uninhabitable in the eyes of a reasonable person.
Tenant-caused damageMarini charges the tenant, not the landlord, for damage caused maliciously or by abnormal or unusual use. The landlord’s covenant covers ordinary wear and tear to vital facilities, not harm the tenant caused.
Self-help is limited under MariniMarini gave the tenant the alternative remedies of making the repairs or vacating on a constructive eviction. Repair self-help must be preceded by timely and adequate notice unless the tenant cannot give it after a reasonable effort.
No federal habitability law
There is no national warranty of habitability. Whether a landlord must keep a rental livable, and what a tenant can do about a breach, is decided state by state. New Jersey built its warranty entirely through the courts, without a habitability statute.
Marini, not Berzito, established the warranty
It is commonly said that Berzito created New Jersey’s warranty of habitability. It did not, and Berzito says so, describing Marini as the case that implied the covenant. Berzito’s contribution was to make the rent and habitability covenants mutually dependent and to set the notice rule and the factor test. The warranty itself is Marini’s.
No heat number and no air conditioning rule
Neither opinion sets a heat temperature or season. Berzito describes what a modern tenant needs, including heat, but that is descriptive, not a dated rule. Neither case mentions air conditioning or cooling. The statutes that do set standards, such as the Hotel and Multiple Dwelling Law, are regulatory codes, not the tenant’s contractual warranty.
In plain words
A quick key to the legal terms used on this page.
Self-help
Fixing a problem or acting on your own, such as paying for a repair and subtracting it from rent, without first going to court.

What you can do right now

Concrete, neutral steps when a rental in New Jersey is not being kept livable. This is legal information, not legal advice.

  1. Give positive, seasonable notice

    Berzito requires you to give the landlord clear and timely notice of the defect, request the fix, and allow a reasonable time to repair before you sue. Put it in writing and keep a dated copy.

  2. Judge the problem against the factors

    The condition must be serious enough to truly render the premises uninhabitable to a reasonable person. Weigh whether it violates a code, affects a vital facility, and how long it has lasted, using the Berzito factors as your guide.

  3. Keep proof of the reduced rental value

    Because Berzito charges you only the reasonable rental value of the unit in its defective condition, document the defect and its effect. That evidence sets how much rent you actually owe if you raise the breach as a defense.

  4. Get New Jersey legal help before withholding

    Raising habitability as a defense and setoff is safer than simply stopping rent. Legal Services of New Jersey can explain the Marini and Berzito remedies before you act.

Tenant help in New Jersey

Withholding rent the wrong way can risk eviction, so a legal aid office can confirm the exact notice and escrow steps before you stop paying.

Legal Services of New Jersey

This is general legal information, not legal advice. The notice, the escrow account, and what counts as uninhabitable all matter, so confirm your situation against the statute before withholding rent.

What renters in New Jersey get wrong about habitability

New Jersey’s warranty of habitability is judge-made, and the two cases behind it do different jobs that people routinely mix up. Marini v. Ireland established the warranty in 1970, holding that a residential landlord is bound by an implied covenant of habitability and livability fitness: at the start of the lease there are no latent defects in facilities vital to residential use, and those facilities will stay usable through the entire term. Berzito v. Gambino, three years later, did not create the warranty and expressly says Marini did. What Berzito added was the mutual-dependence rule. The tenant’s duty to pay rent and the landlord’s duty to maintain a habitable unit are for all purposes mutually dependent, so a tenant sued for rent can defend and set off a breach and be charged only the reasonable rental value of the unit in its defective state. Berzito also set the notice rule, requiring positive and seasonable notice, a request to fix, and a reasonable time, and an eight-factor test for whether the warranty was breached. Neither opinion sets a heat number or mentions air conditioning. There is no habitability statute in New Jersey.

Common questions

Does New Jersey have a warranty of habitability?

Yes, from case law. Marini v. Ireland read an implied covenant of habitability into every residential lease in 1970, requiring the landlord to keep facilities vital to residential use in usable condition throughout the term. There is no habitability statute in New Jersey.

Did Berzito v. Gambino create New Jersey’s warranty?

No. Berzito itself credits Marini v. Ireland with establishing the warranty. Berzito’s contribution was to make the rent and habitability covenants mutually dependent and to set the notice rule and an eight-factor test for breach. The warranty itself is Marini’s.

Can I withhold rent in New Jersey for a bad condition?

Because Berzito made rent and habitability mutually dependent, you can raise a breach as a defense and setoff if the landlord sues for rent, and be charged only the reasonable rental value of the unit in its defective condition. You must first give positive, seasonable notice and a reasonable time to repair.

What must a New Jersey landlord fix under the warranty?

Facilities vital to the use of the premises for residential purposes. There is no statutory list. The Berzito factors weigh things like code violations, effect on a vital facility, safety and sanitation, and how long the defect lasted. The condition must be serious enough to truly render the unit uninhabitable to a reasonable person.

Primary source
Marini v. Ireland, 56 N.J. 130 (1970); Berzito v. Gambino, 63 N.J. 460 (1973)
Marini v. Ireland, 56 N.J. 130 (1970) (Justia) · law.justia.com
Cholilurrohman
Every figure on this page is checked line-by-line against the current statute. Editorial standards →

Not legal advicePlainStatute provides plain-language summaries of public law for general information only. This is not legal advice. Statutes change; always confirm current requirements with the official source linked above before acting.

Embed this explainer

Paste this on your own site. The embed stays in sync with this page, so any update here shows up there too.

<iframe
  src="https://plainstatute.com/embed/statute/warranty-of-habitability--new-jersey"
  title="New Jersey statute explainer by PlainStatute"
  loading="lazy"
  height="640"
  style="width:100%;max-width:640px;border:1px solid #e4e2d9;border-radius:12px"
  data-plainstatute="warranty-of-habitability--new-jersey"></iframe>
<script>
  window.addEventListener('message', function (e) {
    if (e.origin !== 'https://plainstatute.com') return;
    var d = e.data || {};
    if (d.type !== 'plainstatute:embed-height') return;
    var f = document.querySelector('iframe[data-plainstatute="' + d.slug + '"]');
    if (f) f.height = d.height;
  });
</script>