Landlord Atlas

What does Illinois law require a landlord to repair?

Verified August 29, 2026 All Illinois topics →

Illinois requires landlords to keep rented homes habitable, but the duty comes from the courts rather than from a statute: the Illinois Supreme Court created an implied warranty of habitability in 1972 and has since applied it to every residential lease in the state, whether or not the town has a housing code.

Cited to 765 ILCS 705/20 (heating and cooling standards; the 55-and-over limiter in subsection (c)) (a)-(c) and 15 more cited sources · Verified August 29, 2026

A defect breaches the warranty when it is substantial enough to make the home unsafe or unsanitary and so unfit to live in, and the tenant must give notice and allow a reasonable time to fix it. Two statutes add specific remedies: a tenant may have a repair made and deduct the cost, capped at the lesser of $500 or half a month's rent, after 14 days' written notice and only if the work is done by an unrelated licensed and insured tradesman; and where the landlord agreed to pay a water, gas or electric bill and does not, the tenant may end the lease or pay the utility and take the full amount off the rent, with no cap. There is no rent escrow, and a tenant who simply withholds is relying on raising the warranty as a defense if the landlord sues. Retaliating against a tenant who complains carries a one-year rebuttable presumption and damages of 2 months' rent or twice the tenant's losses, whichever is greater, plus fees.

Illinois habitability & repairs at a glance

Where the duty comes from Court decisions — no statewide habitability statute exists
Duty source details No Illinois statute states a general duty to keep a rented home in repair. The duty is the implied warranty of habitability, created by the Illinois Supreme Court: Jack Spring, Inc. v. Little adopted it for multi-unit dwellings in 1972, Pole Realty Co. v. Sorrells extended it to single-family houses in 1981, and Glasoe v. Trinkle settled its reach in 1985, holding that the warranty applies to all leases of residential real estate regardless of the existence of housing or building codes. Statutes then add particular remedies on top of that judge-made duty — a tightly capped repair-and-deduct right in the Residential Tenants' Right to Repair Act, a termination-or-pay-and-deduct right when the landlord fails to pay a utility he agreed to pay, and retaliation protection — but none of them creates the duty. The repair statute is explicit about this: it operates only where a repair is already required by the lease, by law, or by a local ordinance or regulation.
Who is covered Statewide — no coverage split
Where the repair standards live Courts define what the duty covers
What must be kept in repair Illinois has no statutory list of what a landlord must maintain in an ordinary rental. The standard comes from Glasoe: a defect breaches the warranty only if it is substantial enough to render the premises unsafe or unsanitary and so unfit for occupancy, and it must truly make the home uninhabitable in the eyes of a reasonable person. The warranty also requires that at the start of the lease there be no latent defects in the facilities vital to using the dwelling as a home and vital to the tenant's life, health and safety, and that the premises stay habitable through the term. Whether a particular condition breaches it is a question of fact decided case by case, weighing the nature of the defect, its effect on habitability, how long it lasted, the age of the building, the amount of the rent, the area, whether the tenant waived the defect, and whether it came from abnormal or unusual use by the tenant. Housing-code violations are evidence of a breach, not a precondition to one. One statute does set figures for heating and cooling, but it applies only to housing limited to people 55 and older.
Heat standard type A duty to supply heat or maintain temperatures while the unit is occupied
Heat standard details This is not a general Illinois heat standard, and treating it as one is the most common error made about Illinois law. The figures in 765 ILCS 705/20 apply only to residential rental property in which rental or occupancy is limited to persons 55 years of age or older, and only where the property has a heating or cooling system serving the entire premises. In that narrow class: during the heating season, October 1 through May 31, heat must register at least 68 degrees Fahrenheit between 6 a.m. and 10 p.m. when the outside temperature falls below 55 degrees, and at least 62 degrees between 10 p.m. and 6 a.m.; during the cooling season, June 1 through September 30, cooling must operate when the heat index exceeds 80 degrees. Where such a building has no premises-wide cooling system, the landlord must instead provide at least one indoor common gathering space cooled when the heat index exceeds 80 degrees, free to all tenants, unless the property has no such space. For every other Illinois rental there is no statutory temperature and no season — heat is governed by the implied warranty and by the local code.
Headline repair day count 14 days
Notice and repair-window rules Illinois runs two clocks and they do different jobs. The warranty itself carries no statutory number: under Glasoe the tenant must give the landlord notice of the defects and the landlord must have a reasonable time to correct them, with what is reasonable depending on the condition. The 14 days belongs to the repair-and-deduct statute. There the tenant notifies the landlord in writing, by registered or certified mail or another restricted delivery service, at the landlord's or agent's address as shown on the lease — or at the landlord's last known address if none is listed — stating an intention to have the repair made at the landlord's expense; if the landlord has not made the repair within 14 days of that notice, or more promptly as conditions require in an emergency, the tenant may have the work done. The statute defines the emergency shortcut: conditions that will cause irreparable harm to the apartment or a fixture attached to it if not immediately repaired, and any condition posing an immediate threat to the health or safety of an occupant or of a common area.
Repair and deduct Yes — authorized by statute — Limit: The reasonable cost of the repair must not exceed the lesser of $500 or one-half of the monthly rent — Illinois uses the lesser of the two figures, not the greater, so for any rent below $1,000 a month the half-rent number is the real ceiling. The deduction may also not exceed the reasonable price then customarily charged for the repair. — The remedy runs on strict conditions and losing any of them loses the remedy. The repair must already be required by the lease, by law, or by a local ordinance or regulation; the tenant must give the written notice described above and wait 14 days (or less in an emergency); the work must be done in a workmanlike manner and in compliance with the applicable law, rule or ordinance; and the tradesman or supplier must be unrelated to the tenant, hold the valid license or certificate state or municipal law requires for the work, and be adequately insured against bodily harm or property damage from negligent or substandard work. The tenant then submits a paid bill — for work actually done and paid in full — and, if the bill does not show them, the name, address and telephone number of the tradesman or supplier, and deducts the amount of the bill within the cap. The tenant is responsible for damage the tradesman causes. A tenant may not repair at the landlord's expense where the condition was caused by the deliberate or negligent act or omission of the tenant, a member of the tenant's family, or another person on the premises with the tenant's consent. A tenant who does not meet every requirement is not entitled to the remedy and may not assert the withheld rent as a defense to an action for rent or eviction. Six classes of housing sit outside the Act altogether: public housing, condominiums, not-for-profit residential cooperatives, non-residential tenancies, owner-occupied rental property with 6 or fewer dwelling units, and units covered by the mobile home tenancy law, which are covered with the manufactured-home rules.
Rent withholding or escrow Only on conditions that commonly defeat it — see this page — How: withholding raised as a defense once the landlord sues — Illinois has no self-help withholding right and no court or agency escrow program for repairs. What it has is the warranty raised defensively. In an eviction for nonpayment the tenant may plead breach of the implied warranty as an affirmative defense, and Jack Spring holds such a defense germane to the decisive question of whether rent is owed, so it cannot be struck. If the defense succeeds, Glasoe supplies the arithmetic: the tenant is liable only for the fair rental value of the premises in their defective condition during the period of the breach and is entitled to an abatement of rent above that amount, with damages if full rent was already paid. Two limits keep this from being a licence to stop paying. Liability for rent continues as long as the tenant remains in possession, so a tenant who withholds is betting on the court's valuation and can be evicted if the breach is not made out. And rent withheld under the repair-and-deduct statute cannot be defended at all unless every requirement of that Act was met.
Termination over habitability failures Only on conditions materially narrower than the general repair duty — Illinois states no general statutory right to end a lease over an unrepaired condition; a tenant who leaves is relying on the general law of leases. Two narrow statutory termination rights do exist. Where the landlord or agent agreed to pay for water, gas or electrical service and does not pay, the tenant may terminate the lease — the termination does not release either side from obligations that arose under the lease before it. And a tenant who has been retaliated against may terminate, in which case the landlord must return all security and interest recoverable under the security-deposit law and all prepaid rent.
Essential-service remedies Yes — distinct statutory remedies for essential-service failures — One statute gives Illinois tenants a real essential-services remedy, and it is uncapped. Where a landlord or agent is required by an agreement, written or verbal, to pay for water, gas or electrical service, the landlord must pay so the service stays available throughout the lease and must pay in time not to cause an interruption. If the landlord does not, the tenant — or the tenants served by a common system through a common meter in a single building, including service to common areas — may either terminate the lease or pay for the service where the landlord's nonpayment jeopardizes its continuation. Sums the tenant pays for service the landlord was required to pay may be deducted from the rent, and the total rent is diminished by the amount paid: there is no dollar cap, no waiting period, no licensing condition and no relation to the $500-or-half-rent repair ceiling. On payment of the landlord's past-due amount the utility must immediately restore service; alternatively it must restore and continue service for a tenant who puts the bill in their own name, establishes satisfactory credit references or pays a security deposit under the Illinois Commerce Commission's rules for new service, and agrees to pay future bills. Before terminating service for the landlord's nonpayment the utility must notify all tenants in buildings with 3 or more residential apartments. The section reaches only services the landlord agreed to pay for, so heat generated by a tenant-paid utility, and any non-utility service, fall back on the implied warranty.
Retaliation protection Protected by a general retaliation statute — One year, and it works as a rebuttable presumption: in an action by or against the tenant, evidence that the landlord's conduct was directed at protected activity occurring within one year before the alleged act of retaliation creates a presumption that the conduct was retaliatory. The presumption does not arise where the protected activity began after the alleged act of retaliation. — The Landlord Retaliation Act declares retaliation against public policy and bars a landlord from knowingly terminating a tenancy, increasing rent, decreasing services, bringing or threatening to bring a possession suit, or refusing to renew, because the tenant did a protected thing in good faith. It gives the tenant both a defense in any retaliatory action and a civil action for damages and other appropriate relief: terminating the rental agreement with return of all security and interest recoverable under the security-deposit law and all prepaid rent; recovering possession where the landlord has dispossessed the tenant, threatened to, or is in the process of doing so; and recovering an amount equal to and not more than 2 months' rent or 2 times the damages the tenant sustained, whichever is greater, plus reasonable attorney fees. An action is not retaliatory if the landlord can prove a legitimate, non-retaliatory basis for it, or that the landlord began the action before the tenant engaged in the protected activity. — Seven acts are protected: complaining of code violations to the government agency, elected representative or public official responsible for enforcing a building, housing, health or similar code; complaining of such a violation or of an illegal landlord practice to a community organization; seeking a community organization's help to remedy a code violation or illegal practice; complaining or asking the landlord to make repairs required by a building code, health ordinance, other regulation or the rental agreement; organizing or joining a tenants' union or similar organization; testifying in any court or administrative proceeding about the condition of the premises; and exercising any right or remedy provided by law — a catch-all that carries the rest.
Damages, penalties, and defenses Glasoe sets the damages measure and prefers the difference-in-value approach: the difference between the fair rental value of the premises as warranted and their fair value in the defective condition, with the agreed rent admissible as evidence of fair rental value. A percentage-reduction-in-use approach or another method may fit a particular case. The tenant is liable only for the fair rental value during the period of the breach and is entitled to an abatement of rent above that figure, or damages in that amount where full rent was already paid. Illinois recognizes no common-law repair-and-deduct remedy — Glasoe only noted that other states have one — so the capped statutory route is the only way to charge a repair to the landlord. The landlord's stated defenses are that the condition does not rise to unsafe or unsanitary, and, from Pole Realty, that the conditions complained of are due to waste or misuse of the premises by the tenant; the repair statute adds that damage caused by the tenant's side is outside it. There is no fee-shifting for a warranty claim: attorney fees appear in the retaliation act, not in the repair act. The Illinois Supreme Court has also declined to fix the outer edges of the doctrine, saying in Glasoe that it did not intend to establish hard and fast rules about the scope of the warranty, what breaches it, the relief available, or the measure of damages.
Can the duty be waived or shifted The law says nothing either way
Waiver and delegation rules Illinois law does not settle whether a lease can waive the implied warranty. Jack Spring is often cited for the proposition that it cannot, and that is not what the case held: faced with a lease clause reciting that the tenant had examined the premises and that taking possession was conclusive evidence of good order, the court held only that the question whether such a clause defeats the warranty was germane to whether rent was due and should not have been struck — it left the question to be litigated. Glasoe then lists whether the tenant waived the defects among the factors bearing on breach, which points the same way: waiver is an argument, not a settled bar. One adjacent statutory rule is real and is often confused with warranty waiver: a lease covenant exempting the landlord from liability for injury to person or property caused by the landlord's own negligence in operating or maintaining the premises is void as against public policy and wholly unenforceable, except that a non-residential lease may still exempt the landlord for property damage. The repair-and-deduct statute adds a floor of its own for local law rather than for leases: a home rule unit may not regulate residential leases in a way that diminishes the rights that Act gives tenants.
Leading court decisions Jack Spring, Inc. v. Little, 50 Ill. 2d 351 (1972) — Adopted the implied warranty of habitability for Illinois, holding that the contracts governing tenancies in multiple-unit dwellings — oral and written alike — include an implied warranty of habitability, fulfilled by substantial compliance with the applicable building code. A tenant's affirmative defense pleading the warranty and its breach is germane to whether rent is owed in an eviction and may not be struck. The court noted its holding does not alter the rule that liability for rent continues as long as the tenant keeps possession. • Pole Realty Co. v. Sorrells, 84 Ill. 2d 178 (1981) — Extended the warranty to leases of single-family dwellings, reasoning that a tenant expects a single-family house to be fit to live in just as much as a unit in a larger building, and that breach may be pleaded when the landlord claims rent is due in an eviction. The court confirmed that rent liability continues while the tenant remains in possession, and that on remand the landlord may rebut the claimed breach and may argue the conditions came from the tenant's waste or misuse. • Glasoe v. Trinkle, 107 Ill. 2d 1 (1985) — The controlling modern statement: the implied warranty of habitability applies to all leases of residential real estate regardless of the existence of housing or building codes, so a home in a town with no code is covered. A breach requires a defect substantial enough to render the premises unsafe or unsanitary and unfit for occupancy, judged case by case against listed factors; the tenant must give notice and allow a reasonable time to correct; and damages are measured by the difference between the value of the premises as warranted and their value as they were, with rent abated above the fair rental value of the defective premises.
Local rules Local law does most of the visible work in Illinois, and much of what circulates as "Illinois law" on repairs is in fact Chicago's ordinance and applies nowhere else. Chicago's residential landlord-tenant ordinance requires the landlord to maintain the premises in compliance with all applicable provisions of the municipal code and to make promptly any repairs needed to meet that obligation, and it carries its own set of tenant remedies; the numerical standards for heat, water and the rest sit in the city's building provisions, which that duty pulls in. State law sets one floor under local variation: a home rule unit may not regulate residential leases in a way that diminishes the rights the state repair-and-deduct law gives tenants. Read the ordinance of the city or county where the property sits alongside the state answer on this page.

Cite this page: "Landlord Atlas, Illinois Habitability & Repair Laws (verified August 29, 2026), landlordatlas.com/laws/habitability/illinois/" — free to cite and quote with a link (how these records are verified). Everything above is cited in the citations section below.

City habitability pages in Illinois

Notes and caveats

Common questions: Illinois habitability & repairs

Each answer is the verified value from the table above, restated as a direct answer. Free to quote with a link to this page.

Does Illinois have an implied warranty of habitability?
Court decisions — no statewide habitability statute exists. No Illinois statute states a general duty to keep a rented home in repair. The duty is the implied warranty of habitability, created by the Illinois Supreme Court: Jack Spring, Inc. v. Little adopted it for multi-unit dwellings in 1972, Pole Realty Co. v. Sorrells extended it to single-family houses in 1981, and Glasoe v. Trinkle settled its reach in 1985, holding that the warranty applies to all leases of residential real estate regardless of the existence of housing or building codes.
How long does a landlord have to make repairs in Illinois?
14 days. Illinois runs two clocks and they do different jobs. The warranty itself carries no statutory number: under Glasoe the tenant must give the landlord notice of the defects and the landlord must have a reasonable time to correct them, with what is reasonable depending on the condition.
Can a tenant repair and deduct in Illinois?
Yes — authorized by statute — Limit: The reasonable cost of the repair must not exceed the lesser of $500 or one-half of the monthly rent — Illinois uses the lesser of the two figures, not the greater, so for any rent below $1,000 a month the half-rent number is the real ceiling. The deduction may also not exceed the reasonable price then customarily charged for the repair. — The remedy runs on strict conditions and losing any of them loses the remedy.
Can a tenant withhold rent for repair problems in Illinois?
Only on conditions that commonly defeat it — see this page — How: withholding raised as a defense once the landlord sues — Illinois has no self-help withholding right and no court or agency escrow program for repairs. What it has is the warranty raised defensively.
Can a landlord retaliate against a tenant who complains about repairs in Illinois?
Protected by a general retaliation statute — One year, and it works as a rebuttable presumption: in an action by or against the tenant, evidence that the landlord's conduct was directed at protected activity occurring within one year before the alleged act of retaliation creates a presumption that the conduct was retaliatory. The presumption does not arise where the protected activity began after the alleged act of retaliation. — The Landlord Retaliation Act declares retaliation against public policy and bars a landlord from knowingly terminating a tenancy, increasing rent, decreasing services, bringing or threatening to bring a possession suit, or refusing to renew, because the tenant did a protected thing in good faith.
Can a lease make the tenant responsible for repairs in Illinois?
The law says nothing either way. Illinois law does not settle whether a lease can waive the implied warranty. Jack Spring is often cited for the proposition that it cannot, and that is not what the case held: faced with a lease clause reciting that the tenant had examined the premises and that taking possession was conclusive evidence of good order, the court held only that the question whether such a clause defeats the warranty was germane to whether rent was due and should not have been struck — it left the question to be litigated.

Citations

How this record was verified: Direct reading of the Illinois Compiled Statutes on the General Assembly's official site: the Landlord and Tenant Act (765 ILCS 705), the Landlord Retaliation Act (765 ILCS 721), the Rental Property Utility Service Act (765 ILCS 735) and the Residential Tenants' Right to Repair Act (765 ILCS 742) each read section by section in full, with every other landlord-tenant act in chapter 62 read for a maintenance duty and every source credit line read; the enrolled texts of Public Acts 103-831, 104-479 and 104-514 with the General Assembly's own effective-date stamps, and the complete Public Acts index of the 104th General Assembly; and the official reporter texts of Jack Spring, Inc. v. Little, Pole Realty Co. v. Sorrells and Glasoe v. Trinkle, each read in full including the separate opinions.