Are New York Hotels and Short-Term Rentals Required to Have CO Detectors?
Executive Law 378(5) is headed "Standards for hotels, motels and lodging houses" and says nothing about carbon monoxide. It asks for a notice in each guest room giving the nearest exits and fire alarms and what to do when a detector sounds, which is a real duty and a different one. The carbon monoxide mandate is the subdivision after it. Section 378(5-a), Amanda's Law, has required operable detectors in every multiple dwelling since 22 February 2010 wherever an appliance, device or system that may emit carbon monoxide is present or an attached garage exists, and its definition of multiple dwelling names hotels, motels, apartment hotels, lodging houses, rooming houses and boarding houses.
Last verified: August 24, 2026
Key Takeaways
- New York City rewrites these provisions rather than adopting them, so an operator in the five boroughs who reads Section 378(5-a) and stops has read the wrong document.
- The city defines the covered units by proximity rather than by what a unit contains. Section 915.1.1.1 reaches units on the story holding carbon monoxide producing equipment or enclosed parking, units on the stories immediately above and below it, units in a building with a central furnace, boiler or water heater, and units served by such a central system standing in an adjoining or attached building. That last category reaches an apartment whose own building burns nothing.
- Section 915.1.1.1.1 then puts a device in any room used for sleeping purposes, rather than only where an appliance sits in the room, and on every story including below-grade stories and penthouses.
- Local Law 77 of 2023 added ventilation hardware to the code, which is an unusual thing for a carbon monoxide rule to require. For one- and two-family homes and townhouses with an attached garage, Section 915.1.1.1.2 wants a powered exhaust system that starts on its own at 35 parts per million and moves 1.5 cubic feet per minute for each square foot of garage floor, wired to fail safe so that a cut wire or a pulled sensor starts the fan, and kept off arc-fault and ground-fault protected circuits.
- A New York City detector at the source shuts the source down. Section 915.3.1 requires it, with generators excepted, and Section 915.1.2.1 applied the commercial detector rule retroactively to existing buildings with fire alarm systems by 1 July 2021.
- Rochester and Buffalo are open rather than clean. Both are absent from the publisher that served the New York City text, both return 403 from eCode360, and neither has a Municode client, so nothing was searched in either and no negative should be read into the silence.
Legal Summary
New York's carbon monoxide detection requirements for hotels and short-term rentals flow from two interlocking legal frameworks. At the state level, Amanda's Law, enacted as Chapter 367 of the Laws of 2009 and codified at Executive Law Section 378(5-a), requires all one- and two-family dwellings and multiple dwellings to be equipped with operable CO detectors wherever appliances, devices, or systems that may emit carbon monoxide are present, or where an attached garage exists. Under the statute, "multiple dwelling" explicitly includes hotels, motels, apartment hotels, lodging houses, rooming houses, and boarding houses. Amanda's Law took effect statewide on February 22, 2010, and its requirements are implemented through the New York State Uniform Fire Prevention and Building Code (19 NYCRR Parts 1220 and 1225).
Properties in New York City operate under an additional layer: the NYC Administrative Code and rules administered by the Department of Housing Preservation and Development (HPD), the Department of Buildings (DOB), and the Fire Department of New York (FDNY) impose supplemental obligations for Class B multiple dwellings, the classification that covers hotels and transient lodging.
Read the subdivision number carefully, because the one immediately before it is also about lodging and is not about carbon monoxide. Executive Law Section 378(5) is "Standards for hotels, motels and lodging houses" and requires a notice posted in a prominent place in each guest room giving the nearest exits and fire alarms, what to do when a fire or smoke detector sounds, and what to do if fire or smoke develops. It is a real duty an operator owes, and it says nothing about carbon monoxide. The detector mandate is 5-a. A citation to 378(5) in a carbon monoxide context points at the wrong obligation rather than at nothing.
Who Is Covered
Amanda's Law covers all "multiple dwellings" in New York State where CO-emitting conditions exist, and the statute's definition of "multiple dwelling" explicitly includes hotels, motels, apartment hotels, tourist houses, lodging houses, rooming houses, and boarding houses. Short-term rental operators in New York are covered under the same framework: single- or two-family homes offered for short-term rental are subject to the residential provisions of Amanda's Law, while STR operations in multi-unit buildings fall within the multiple dwelling definition. New York City properties are additionally subject to NYC Administrative Code requirements: Class B multiple dwellings, which encompass transient hotels and lodging, must comply with both state requirements and NYC-specific rules enforced by HPD, DOB, and FDNY.
Hotels already standing: covered too. The New York requirement reaches an existing hotel and not only one being built.
Operator Responsibilities
Hotel operators and short-term rental hosts in New York bear responsibility for installing, maintaining, and replacing CO detection equipment in all covered units. Executive Law § 378(5-a) requires an operable carbon monoxide detector "of such manufacture, design and installation standards as are established by the council", and reaches a hotel by naming one: its definition of multiple dwelling lists hotel, apartment hotel, lodging house, rooming house, boarding house and tourist house among others. The trigger is written at unit level and is worth reading twice, because it is narrower than a building-wide test: detectors are "required only where the dwelling unit has appliances, devices or systems that may emit carbon monoxide or has an attached garage".
In New York City, owners of Class B multiple dwellings, including hotels and transient lodging properties, must provide and install at least one approved, operational CO alarm within each dwelling unit, or alternatively install a line-operated zoned CO detection system throughout the building in accordance with NYC Department of Buildings rules. Owners of NYC multiple dwellings must also keep records of installation and maintenance and make those records available upon request to HPD, DOB, FDNY, or DOHMH.
Under the Uniform Code, adopted at 19 NYCRR Part 1225, CO alarms must be maintained in an operative condition at all times. Alarms that become defective must be replaced or repaired promptly. For new hotel construction or major renovation where commercial building power is available, alarms must be hardwired to building wiring with battery backup; battery-only devices are not permitted in those circumstances. In existing hotels, battery-operated or direct-plug alarms remain an acceptable option where the building wiring configuration does not require hardwired installation. Installing CO detection is considered best practice for STR hosts even where no CO trigger condition formally applies.
Installation and Technical Requirements
New York's Uniform Code requires CO alarms to be listed to Underwriters Laboratories standard UL 2034 or Canadian Standards Association standard CSA 6.19 and installed in accordance with the manufacturer's instructions.
For new buildings (post-January 1, 2008) and new construction generally, alarms must receive primary power from building wiring when served from a commercial source, with battery backup upon interruption of primary power; wiring must be permanent and without a disconnecting switch. Battery-only alarms are acceptable where no commercial or on-site power source is available. Combination CO and smoke alarms are permitted when each hazard type produces a distinct alarm signal.
Placement, and New York does not use the shape most states use. Executive Law § 378(5-a) sets the trigger and then delegates the standard: alarms of "such manufacture, design and installation standards as are established by the council", meaning the State Fire Prevention and Building Code Council. The Council's rule splits by construction date rather than by an exception. As the Department of Health summarises it, in a Group R occupancy or multiple dwelling built on or after 1 January 2008 an alarm goes in each dwelling or sleeping unit where a carbon monoxide source is located, on each story of a multi-storey unit having a sleeping area or a source, and in each unit on the same storey as a source; a building built before that date answers a separate and shorter list. Where more than one alarm is required, they are hardwired to the building wiring and interconnected.
Two cautions on that paragraph, stated rather than buried. The Department of Health document is expressly a summary of the Uniform Code and not the code text, and the 2020 Fire Code of New York State could not be opened from here: codes.iccsafe.org serves a 549-character shell for its chapter 9, up.codes carries no New York jurisdiction view, and dos.ny.gov answers with a 58-character body to curl and through Wayback alike. So the construction-date structure above is reliable as to shape and should be checked against the code text before an operator relies on a specific storey or unit count.
What this page will not do is import the model code's sleeping-unit exception, which is what the previous version of this section did. New York's own instrument does not contain "outside each separate sleeping area in the immediate vicinity of the sleeping unit", and the model provision that does, IFC § 915.2.2, conditions that placement on two things at once: no fuel-burning appliance in the unit or its attached bathroom, and the unit not being served by a forced-air furnace. Quoting half of a test that belongs to a different code is worse than quoting none of it.
Enforcement
Statewide, enforcement of Amanda's Law is carried out by local code enforcement officials and building departments, which have authority to inspect and issue violations for non-compliant properties. In New York City, enforcement authority is distributed among HPD, DOB, FDNY, and DOHMH, all of which may issue violations for failure to install or maintain CO detectors. NYC owners of multiple dwellings must file a Certificate of Satisfactory Installation with HPD's Code Enforcement borough office within ten days of installing CO detectors. Short-term rental operators outside of New York City are subject to local building and fire code enforcement in their municipality. Guests who find missing or inoperable CO alarms should report the issue to the property operator; complaints may be escalated to the relevant local code enforcement authority or, in NYC, to 311.
Penalties
The penalty is not in Section 378 at all. Section 378 states the installation standards; Executive Law Section 382(2) supplies the consequence for a Uniform Code violation, and it runs by the day. For the first one hundred eighty days the exposure is a fine of not more than $1,000 per day of violation, or imprisonment not exceeding one year, or both. For the next one hundred eighty days a minimum appears: not less than $25 and not more than $1,000 per day. Thereafter the minimum rises again, to not less than $50 and not more than $1,000 per day. The maximum never moves; what changes is the floor, so a violation left uncorrected stops being a discretionary nothing and becomes a guaranteed daily charge. Two figures often attached to hotels belong elsewhere in Section 378: the $250 maximum is in subdivision 5-c and applies to solid fuel burning heating appliances, and subdivision 5-d is the commercial buildings and restaurants requirement, which states a duty and no fine. In New York City, failure to provide or maintain a CO detector is a Class B violation, carrying civil penalties ranging from $25 to $100 plus $10 per day per violation until the condition is certified as corrected. Failure to post required notices is a Class A violation carrying civil penalties up to $50.
Local Override Warning
Amanda's Law sets a statewide minimum that New York City lodging operators should treat as the starting point only. Building Code Section 915.1.1 puts Group R-1 hotels and student-apartment buildings in a different class from ordinary apartments: those buildings need carbon monoxide detectors with audible notification appliances, annunciated by dwelling unit at a constantly attended location from which staff can activate the fire alarm system, which is a supervised system rather than the standalone alarms the state requires. Section 915.1.2 extends detectors to buildings with a fire alarm system that hold assembly, business or mercantile spaces, and Section 915.1.2.1 made that retroactive for existing buildings by July 1, 2021.
Below the R-1 class sit the dwelling unit rules, and a host letting an apartment or a townhouse is inside those rather than inside the hotel class. Section 915.1.1.1 fixes coverage by proximity rather than by what the unit itself burns: units on the story holding carbon monoxide-producing equipment or enclosed parking, units on the stories immediately above and below it, units in a building with a central furnace, boiler or water heater, and units merely served by such a central system standing in an adjoining or attached building. That last category reaches a unit whose own building burns nothing. Section 915.1.1.1.1 then requires a device in any room used for sleeping purposes rather than only where an appliance sits, and on every story including below-grade stories and penthouses, so in the city the device count follows the sleeping rooms and the stories rather than the appliances.
Two city rules go past anything a state asks for, and one of them is not a detector rule at all. Local Law 77 of 2023 added Section 915.1.1.1.2: a one- or two-family home or townhouse with an attached garage needs a powered exhaust system, starting by itself at 35 parts per million, moving 1.5 cubic feet per minute for every square foot of garage floor, wired so that cutting the wire or pulling the sensor runs the fan, and kept off arc-fault and ground-fault protected circuits. Nothing else in this survey asks an owner for ventilation hardware. Section 915.3.1 then makes a detector at the source shut that source down, generators excepted, which for an operator means a boiler or generator interlock rather than an alarm on a wall. Rochester and Buffalo were not reachable in this sweep, and short-term rental rules in the rest of the state were not searched, so confirm with your local code enforcement authority before assuming the state minimum is enough.
Frequently Asked Questions
Are CO detectors legally required in New York hotels?
Does Amanda's Law cover Airbnb and short-term rental hosts in New York?
Is there a difference between New York State and New York City CO detector rules for hotels?
Who is responsible for CO detector installation and maintenance in a New York hotel?
What type of CO detector is required in New York hotels and short-term rentals?
What are the penalties for a New York hotel that does not have CO detectors?
Are fully electric New York hotels exempt from CO detector requirements?
Disclaimer: This page explains the law as it stood on August 24, 2026. It is general information, not legal advice, and reading it creates no attorney-client relationship. Requirements vary by city, county and building type, and statutes and codes are amended: confirm the current text with the issuing authority before acting on it. Each requirement here cites the instrument it comes from, so you can check it at source.
Sources and References
- New York Executive Law § 378(5-a), Amanda's Law (Chapter 367 of the Laws of 2009) , Subdivision 5-a, the CO detector mandate, whose multiple dwelling definition names hotels, apartment hotels, lodging houses, rooming houses and boarding houses among others, and which is triggered where dwelling units have appliances or systems that may emit carbon monoxide or an attached garage. Subdivision 5-d is the separate commercial buildings and restaurants requirement and states no fine. Subdivision 5-c carries the only monetary figure in the section, a $250 maximum for solid fuel burning heating appliances. Section 378 contains no per-day penalty; that is Executive Law 382(2)
- New York State Department of Health, Amanda's Law: Carbon Monoxide Alarm Requirements, summarising the Uniform Code , The Uniform Code requirements for buildings constructed on or after 1 January 2008 and for buildings constructed before that date; power source; interconnection; device listing to UL 2034 or CSA 6.19
- NYC Department of Housing Preservation and Development (HPD), Detectors: Smoke, Carbon Monoxide, and Natural Gas , Class B multiple dwelling requirements; Certificate of Installation; recordkeeping; enforcement agencies (HPD, DOB, FDNY, DOHMH)
- New York State Department of Health, About Carbon Monoxide , Amanda's Law scope (hotels/motels explicitly listed); trigger conditions; device standards
- New York City Building Code Section 915, carbon monoxide detection, as it reaches lodging and short lets , 915.1.1, Group R-1 hotels and student-apartment buildings requiring detectors with audible notification appliances annunciated by dwelling unit at a constantly attended location; 915.1.2 and 915.1.2.1, buildings with a fire alarm system holding assembly, business or mercantile spaces, retroactive for existing buildings by 1 July 2021; 915.1.1.1 and 915.1.1.1.1, the dwelling unit rules that reach an apartment or townhouse short let, fixing coverage by proximity and requiring a device in any room used for sleeping purposes and on every story; 915.1.1.1.2 (Local Law 77 of 2023), powered garage exhaust; 915.3.1, source shutdown on detection
Travel CO Safety Check 2 min
Staying in a New York hotel or short-term rental? Answer a few questions about the property and get the checks worth making before you sleep in it.