Last updated 2026-07-25
TL;DR
NYC's Housing Maintenance Code requires heat from October 1 through May 31. Daytime (6am-10pm) heat must keep units at 68°F when it's below 55°F outside. Overnight (10pm-6am) it must keep units at 62°F regardless of outdoor temp. Violations run from a few hundred dollars to $1,250 per day for repeat offenders in cold months.
When does NYC's heat season start and end?
NYC's mandatory heat season runs from October 1 through May 31 every year. This is set by the city's Housing Maintenance Code, and it applies whether or not the weather actually feels cold on a given day in October or May [1]. During this window, building owners have a legal duty to supply heat to every unit, and the rules apply on a fixed schedule, not a discretionary one. A landlord can't decide heat season is over on April 15 because it's been warm for a week. The calendar controls, not the thermometer, except for the daytime temperature trigger described below. Outside heat season (June 1 through September 30), owners still have to maintain the heating system in working order, but there's no legal requirement to actually run it during those months [1].
What indoor temperature is a landlord required to maintain in NYC?
| 6:00 a.m. - 10:00 p.m. | Below 55°F | At least 68°F | |
|---|---|---|---|
| 10:00 p.m. - 6:00 a.m. | Any temperature | At least 62°F | These thresholds come from NYC Administrative Code §27-2029 and are enforced by the Department of Housing Preservation and Development (HPD) [1][2]. New York State's Multiple Dwelling Law has a parallel heat provision that applies outside the five boroughs in cities and towns that adopt it, but NYC enforcement runs through HPD and its own code section [3]. |
NYC uses two separate temperature rules depending on time of day. During the day, from 6:00 a.m. to 10:00 p.m., a landlord must keep indoor temperatures at least 68°F whenever the outdoor temperature falls below 55°F. Overnight, from 10:00 p.m. to 6:00 a.m., the indoor temperature must stay at least 62°F, and this applies regardless of what the outdoor temperature is [1][2]. That overnight rule trips people up. A lot of landlords assume heat is only required when it's cold outside, full stop. Not true for the night hours. Even on a mild 60-degree October night, an apartment has to hit 62°F indoors between 10pm and 6am. Here's the breakdown in one table: | Time of day | Outdoor temp trigger | Required indoor temp |
What happens if a landlord doesn't provide required heat?
HPD treats no-heat or insufficient-heat complaints as an emergency (Class C) violation, the most serious category HPD issues, because inadequate heat is considered hazardous to health [4]. A Class C heat violation during the heat season can carry a civil penalty starting around $250 to $500 per day for a first offense, with a repeat violation escalating up to $1,250 per day in-season, based on HPD's civil penalty schedule adopted under the Housing Maintenance Code [4][5]. HPD does not wait for an inspector to physically enter every apartment to issue a violation. If HPD receives a heat complaint through 311, it can dispatch an inspector, and if outdoor temperature records from that period show the trigger was met, HPD can issue a violation even without an in-person confirmation of temperature at the exact complaint time, using recorded weather data as evidence [4]. Repeat offenders face steeper consequences. Owners who accumulate multiple heat violations in a season can land on HPD's Alternative Enforcement Program or in Housing Court through HPD's Emergency Repair Program, where the city arranges the repair or fuel delivery itself and bills the owner, sometimes with liens placed on the property [4].
How does HPD find out a building has no heat?
Tenants call 311 to report a heat or hot water complaint, and 311 routes it directly to HPD. HPD's Central Complaint Bureau logs the complaint and, for heat/hot water issues during heat season, can trigger an inspection, sometimes same-day or next-day depending on volume [4]. HPD also cross-references outdoor temperature data from the National Weather Service for the relevant date and time when the complaint was filed. This lets HPD establish the outdoor temperature trigger was met even if an inspector didn't arrive at the exact hour of the complaint. Landlords should know that a single tenant complaint about one apartment can, depending on the building's heating system, result in a violation that technically covers common problems affecting other units too, since boiler or furnace failures rarely affect just one apartment.
Are there exceptions to NYC's heat requirements?
There's very little wiggle room built into the Housing Maintenance Code's heat rule itself. The main practical outs are for buildings where heat is legitimately not the owner's responsibility, like certain owner-occupied two-family homes carved out under specific Multiple Dwelling Law provisions, or situations involving a documented, active repair in progress with the owner making reasonable, prompt efforts to fix a system failure [1][3]. A broken boiler is not an exception. If a heating system fails, the owner still has to provide heat, which in practice means bringing in emergency heaters, or accelerating repair, or in worst cases HPD stepping in and doing emergency repairs itself and billing the owner [4]. Tenants withholding rent, tenants being difficult, or a dispute over another lease issue also aren't exceptions. Heat obligations run independent of whether rent is current.
How do heat rules interact with rental registration and inspection requirements?
Heat compliance sits alongside, not instead of, NYC's separate registration requirements for multiple dwellings. Owners of buildings with three or more units generally must register annually with HPD under the Multiple Dwelling Registration (MDR) system, and unregistered owners can face restrictions on collecting rent through Housing Court along with fines [6]. A heat violation and a registration lapse are two separate line items on an HPD record, and both show up when a prospective tenant, buyer, or lender pulls a property's HPD violation history. Landlords managing 1 to 10 units, the classic small-portfolio range, often get tripped up because they assume a duplex or small multi-family is exempt from all this. Depending on unit count and structure, some are covered under Multiple Dwelling Law and some fall under different rules for one- and two-family homes, so it's worth confirming your building's exact classification with HPD or your borough's housing office rather than guessing [3][6]. If you're pulling together everything needed for an inspection or license renewal cycle (heat logs, boiler service records, violation history, registration proof) it helps to have it organized before an inspector or 311 complaint forces the issue. That's the kind of prep work our $79 City Rental License & Inspection Prep Packet is built around: a structured checklist so you're not scrambling through paperwork after a violation notice already landed.
What can a landlord do to avoid heat violations?
Service the boiler or furnace before heat season starts, not after the first cold snap. October 1 is a hard date. If a system needs a part that takes two weeks to order, you want to know that in September, not on October 3rd with an already-cold apartment and a 311 complaint filed. Keep a heat log. Some property managers keep a simple daily record of thermostat settings and any outdoor temperature readings during shoulder-season months (early October, late April, May) when outdoor temps hover near that 55°F trigger. If HPD ever disputes a violation, having your own contemporaneous record matters. Respond fast to tenant heat complaints, ideally before they escalate to 311. A tenant who calls you directly and gets a same-day response is far less likely to also call the city. A tenant who gets ignored for three days in January calls 311 and HPD shows up with a violation notice. If you have multiple properties or units, track heat season start dates across all of them the same way you'd track a lease renewal or licensing deadline. This is exactly the kind of recurring compliance item that's easy to let slip once you're managing more than one or two buildings.
How much notice does a landlord have to give before entering to inspect heat?
New York doesn't have one single statewide statute spelling out an exact notice period for routine landlord entry, but the widely followed practical standard, and what most NYC leases and housing court guidance reflect, is at least 24 hours advance notice for non-emergency entry, with entry at reasonable times [7]. Emergency situations, including no-heat complaints that HPD is responding to, or an active leak, generally allow faster access since the health and safety issue is time-sensitive. If you're planning a routine visit to check a thermostat, replace a radiator valve, or do the pre-season boiler inspection, give written notice and a reasonable time window. It protects you if a dispute ever comes up, and it's simply the professional way to run a rental business.
What can a landlord look at during an inspection?
An inspection, whether it's HPD responding to a heat complaint or a routine city rental inspection in another jurisdiction, is limited to the areas relevant to the complaint or the scope of the licensing inspection. For a heat complaint specifically, an HPD inspector checks the indoor temperature in the complaining unit and often nearby units, checks the boiler or heating plant, and looks at related conditions like broken windows or lack of insulation that could be contributing to heat loss, since those get logged too if found [4]. An inspector generally isn't there to go through personal belongings, closets, or areas unrelated to the complaint. If your city runs a broader rental licensing inspection (common in many mandatory-licensing municipalities outside NYC, covering smoke detectors, egress, electrical safety, and general habitability) the scope is typically whatever your local ordinance defines, and landlords should ask for that scope in writing ahead of time rather than assuming.
How does NYC's heat law compare to other cities' rules?
| New York City | Oct 1 - May 31 | 68°F (if outside below 55°F) | 62°F (any outdoor temp) | |
|---|---|---|---|---|
| Chicago | Sept 15 - June 1 | 68°F (if outside below 40°F) | 66°F | If you're comparing obligations across cities as part of a broader compliance check, our city guides library breaks down registration, inspection, and licensing rules city by city, since heat is only one piece of what mandatory-licensing municipalities require. |
NYC's dual daytime/nighttime temperature rule (68°F day, 62°F night) with the 55°F outdoor trigger is one of the more detailed heat mandates in the country, and it's frequently used as the reference model other cities cite. Not every mandatory rental-licensing city has anything this specific. Chicago's municipal code, for comparison, requires 68°F during the day (8:30am to 10:30pm) when it's below 40°F outside, and 66°F overnight, with heat season running September 15 through June 1, a longer window than NYC's [8]. Landlords who own property in more than one city need to track each jurisdiction's own dates and thresholds separately; there's no universal number. Here's a side-by-side: | City | Heat season | Daytime minimum | Overnight minimum |
What rights do tenants have if there's no lease?
A tenant without a written lease in New York is still a tenant, typically classified as a month-to-month tenant if rent is being paid and accepted regularly, and they retain the same basic protections against illegal lockout, the same right to a habitable unit including heat and hot water, and the same right to file HPD complaints as a tenant with a formal lease [3][9]. The absence of a lease document doesn't strip away Housing Maintenance Code protections, which attach to the unit and the tenancy, not to a signed paper. Landlords sometimes assume a no-lease or expired-lease tenant has fewer rights or can be handled more informally. That's a mistake that can create real legal exposure, particularly around termination notice periods and eviction procedure, which still apply. If you're unsure what obligations attach to a specific tenancy type, it's worth reviewing tenant rights resources or talking to a local tenant-landlord attorney before taking action.
What is landlording and what does becoming a landlord actually involve?
Landlording is the ongoing work of owning and operating rental property: collecting rent, maintaining the unit, handling repairs, staying current on local registration and licensing rules, and managing the tenant relationship within the law. A landlord, put simply, is the owner (or the owner's authorized agent) who leases real property to a tenant in exchange for rent, taking on legal responsibilities for habitability that vary by state and city [3]. Becoming a landlord for the first time in NYC or any mandatory-licensing city generally means a few concrete steps: confirm your building's classification (one/two-family vs. multiple dwelling) with your city or state housing office, register the property if required, get familiar with your Housing Maintenance Code or municipal housing code obligations (heat, hot water, smoke and CO detectors, pest control, lead paint disclosure where applicable), get proper landlord insurance, and set up a system for handling maintenance requests and complaints before they become 311 calls or violations. A lot of new landlords underestimate how much of the job is administrative rather than physical. Tracking registration renewal dates, heat season dates, inspection deadlines, and insurance renewals is arguably more important to avoiding fines than any repair skill. If you're just getting oriented, our landlord basics overview is a reasonable starting point before you dig into city-specific rules.
Why do landlords require renters insurance, and does it relate to heat issues?
Landlords require renters insurance mainly to shift liability for a tenant's personal belongings and personal liability claims (like a guest getting injured in the unit) away from the landlord's own policy. A landlord's property insurance typically covers the building structure, not a tenant's furniture, electronics, or clothing, so if a pipe bursts, or in some cases if a heating failure causes frozen-pipe damage, a tenant without renters insurance has no coverage for their own losses and may look to the landlord for compensation even when the landlord isn't at fault [10]. There's an indirect heat connection here too: extended heat outages in freezing weather raise the risk of frozen and burst pipes, which is exactly the kind of secondary property damage renters insurance (liability portion) and landlord insurance (building portion) are both meant to address. Requiring proof of renters insurance as a lease condition is legal in New York and is standard practice for many NYC landlords managing smaller buildings.
What can't a landlord do (Ohio and general habitability comparison)
Ohio's landlord-tenant law, under Ohio Revised Code §5321.04, requires landlords to keep all common areas safe, maintain electrical, plumbing, heating, and other systems in good working order, and comply with health and safety codes, while explicitly prohibiting retaliatory conduct, like raising rent or attempting eviction because a tenant reported a code violation or joined a tenant organization [11]. Ohio law also generally prohibits landlords from shutting off utilities, changing locks, or removing a tenant's belongings without a court order (self-help eviction is illegal) [11]. The pattern across most states, NYC and Ohio included, is consistent even though the specific statute numbers differ: landlords can't retaliate against tenants for complaints, can't shut off essential services like heat or water to force someone out, and can't bypass the court eviction process no matter how justified the landlord feels. If you're operating in more than one state, don't assume Ohio's rules match New York's or any other state's; pull the actual code section for each jurisdiction you operate in rather than relying on general habit.
Frequently asked questions
What is the exact heat requirement for NYC apartments?
From October 1 to May 31, NYC landlords must keep indoor temperatures at 68°F between 6am and 10pm whenever it's below 55°F outside, and at 62°F between 10pm and 6am regardless of outdoor temperature, under NYC Administrative Code §27-2029 [1].
What happens if my landlord doesn't turn on the heat in NYC?
File a complaint with 311, which routes to HPD. HPD can inspect and issue a Class C emergency violation, with civil penalties that can reach up to $1,250 per day for repeat violations during heat season [4][5]. Repeated failures can lead to HPD arranging emergency repairs and billing the owner.
Does NYC heat season apply to all buildings?
It applies broadly to residential multiple dwellings covered by the Housing Maintenance Code. Some owner-occupied one- and two-family homes fall under different Multiple Dwelling Law provisions with different obligations, so confirm your specific building classification with HPD rather than assuming coverage either way [1][3].
How to become a landlord in a city like New York?
Confirm your building's dwelling classification, register with the city housing agency if required (HPD for NYC multiple dwellings), learn your local housing maintenance code obligations, secure landlord insurance, and set up systems for maintenance requests before you take on tenants. Requirements vary heavily by city and unit count.
Who is responsible for a rental property walk-through inspection in California?
In California, the landlord or their authorized agent typically conducts move-in and move-out walk-through inspections, and under California Civil Code §1950.5, landlords must offer an initial inspection before move-out if requested, giving tenants a chance to fix deficiencies before final deductions from a security deposit [9].
What is landlording?
Landlording is the practical, ongoing work of owning and operating rental property: rent collection, maintenance, code compliance, registration and licensing upkeep, and managing the tenant relationship within legal limits. It's distinct from simply owning real estate, since it involves active operational and legal responsibilities.
What is a landlord?
A landlord is the owner or authorized agent who rents residential or commercial property to a tenant under a lease or rental agreement, taking on legal duties like maintaining habitability, following code requirements, and respecting tenant rights, with specifics varying by state and city.
What rights do tenants have without a lease?
A tenant without a written lease who pays and the landlord accepts rent regularly is typically treated as a month-to-month tenant, retaining the same habitability protections, illegal lockout protections, and complaint rights as a tenant with a formal lease. The lack of paperwork doesn't erase legal tenancy protections.
How to be a landlord without violating heat rules?
Service heating systems before October 1, keep a daily heat log during shoulder-season months, respond to tenant heat complaints same-day when possible, and track heat season dates the same way you'd track licensing renewals. Prevention is cheaper than the $250 to $1,250 per day HPD penalty range [4][5].
Why do landlords require renters insurance?
Renters insurance shifts liability for a tenant's belongings and personal injury claims away from the landlord's policy, since standard landlord insurance covers the building structure, not tenant property. It's especially relevant after water damage events, including pipe bursts tied to heating failures in freezing weather.
How much notice does a landlord have to give before entering a unit?
New York doesn't have one uniform statute number for this, but the practical standard followed in NYC and reflected in most leases is at least 24 hours' written notice for non-emergency entry at a reasonable time. Emergency issues, like an active no-heat complaint, allow faster access [7].
What can a landlord look at during an inspection?
Scope depends on the inspection type. For an HPD heat complaint, an inspector checks indoor temperature and the heating plant, plus related conditions like broken windows. For general rental licensing inspections, scope is set by local ordinance and should cover only what the notice specifies, not personal belongings.
What can't a landlord do in Ohio?
Under Ohio Revised Code §5321.04, landlords can't retaliate against tenants for reporting code violations, can't shut off utilities or change locks to force a tenant out (self-help eviction is illegal), and must maintain heating, plumbing, and electrical systems in good working order [11].
Does the 62-degree overnight rule apply even in mild weather?
Yes. Unlike the daytime 68°F rule, which only kicks in when it's below 55°F outside, the overnight 62°F minimum applies from 10pm to 6am regardless of the outdoor temperature during NYC's October 1 to May 31 heat season [1][2].
Sources
- NYC Administrative Code §27-2029 (via NYC Council Legislation): Heat season dates (Oct 1-May 31) and the 68°F/62°F temperature requirements
- NYC HPD, Heat Season Facts: Specific daytime and nighttime temperature thresholds and hours
- New York Multiple Dwelling Law §79: State-level heat requirement provision paralleling NYC's rule
- NYC HPD, Complaints and Enforcement: How 311 heat complaints trigger HPD inspection and Class C violation classification
- NYC Administrative Code §27-2115: Civil penalty ranges for housing maintenance code violations including heat-related Class C violations
- NYC HPD, Property Registration: Annual multiple dwelling registration requirement and consequences of failing to register
- New York State Homes and Community Renewal, Tenant Rights Guide: Practical notice standard for landlord entry into occupied units
- Chicago Municipal Code, Residential Landlord and Tenant Ordinance heat provisions: Chicago's heat season dates and daytime/overnight temperature minimums
- California Civil Code §1950.5: California landlord obligation to offer initial move-out inspection before deposit deductions
- Insurance Information Institute, Renters Insurance: Landlord property insurance does not cover tenant personal belongings, motivating renters insurance requirements
- Ohio Revised Code §5321.04: Ohio landlord obligations for maintenance, safety, and prohibition on retaliatory conduct