Local Law No. 4-2001 Carbon Monoxide Detectors

Press Enter to show all options, press Tab go to next option


The City of Yonkers has passed local legislation requiring the installation of Carbon Monoxide Detectors in most dwellings.

Carbon Monoxide, or CO, is an invisible, odorless gas produced by the incomplete combustion of fossil fuels such as natural gas, oil, wood, propane, coal, or kerosene.

Breathing high levels of Carbon Monoxide may lead to loss of consciousness and can be fatal.

Breathing even small amounts of Carbon Monoxide may produce flu-like symptoms such as headache, fatigue, nausea, and dizziness.

Who Must Install CO Detectors?

Owners of One & Two Family Homes, Multiple Dwellings, Hotels & Motels that heat the building or produce hot water with the following fossil fuels: natural gas, oil, wood, propane, coal or kerosene.

Owners of One & Two Family Homes, Multiple Dwellings, Hotels & Motels that have a garage within, or attached, to the building.

What Type of Detector is Required?

UL Listed, Carbon Monoxide Detector with digital readout that indicates the amount of Carbon Monoxide concentration. Readout may display levels continuously or when in alarm mode. Detectors may be battery operated, plug in, or hard wired.

When Must I Install the CO Detector?

Local Law No. 4-2001, requiring the installation of CO Detectors, took effect on
August 15, 2001

Where Must the CO Detector be Installed In *One & Two Family Homes?

CO Detector(s) must be installed within 10 feet of all sleeping rooms.

* One & two family dwellings are buildings which contain one or two dwelling units.

Where Must the CO Detector be Installed In *Multiple Dwellings?

CO Detectors are required within 10 feet of all sleeping rooms in apartments that are located either directly above, below, or next to a garage, boiler room or hot water heater room.

CO Detectors must be installed in apartments that are either penetrated by a chimney flue, or units that border a chimney flue.

Multiple Dwellings that have Fossil Fuel fired, Central Heating & Air Conditioning systems utilizing air ducts to transfer air or heat must install individual CO Detectors within 10 feet of all sleeping areas.

Multiple Dwellings require additional CO Detectors in the boiler room, as well as any
corridor leading to the boiler room.

* Multiple Dwellings are apartment buildings having three or more families, Lodging house, Dormitories, Senior Citizen building, Community Residence, etc.

Where Must the CO Detector be Installed in Hotels & Motels?

CO Detectors must be installed as follows:

Every 10,000 square feet of gross floor area, or fraction there of.
Every floor to be calculated individually, minimum (1) detector per floor.
Installed in all areas where the signal is audible to the Hotel/Motel staff.

Additional Requirements

Multiple Dwellings, Hotels & Motels:
If an individual unit contains heating, hot water, or portable heating appliances
i.e. hot water heater, pellet stove, boiler, furnace, fire place, or a wood burning stove that burns fossil fuel, a CO Detector must be installed in the Individual unit, within 10 feet of all sleeping units. CO Detectors must also be installed in any unit located directly above, below, or next to the unit.

Portable, unvented, kerosene or propane heaters are illegal for most applications in the City of Yonkers.

Common Causes of Carbon Monoxide Poisoning

Running a vehicle or any internal combustion engine indoors or in an enclosed garage.

Using charcoal or a gas grill indoors.

Clogged or leaky vents, flues, or chimneys attached to boilers, hot water heaters, or other appliance.

Using an Unvented fuel burning appliance in a closed room.

Note: It is important to properly maintain all fuel burning appliances. Have them checked at least annually by a qualified technician or as recommended by the manufacturer.

Also, never use a gas oven for heating purposes.

What should you do in the event a CO Detector Alarm Sounds?

Immediately move everyone to a source of fresh air.

Call 911 to notify the Fire Department.

Do not re-enter the building until the Fire Department has arrived and investigated the cause of the alarm.

Need more information?

Fire Prevention Division                Or                Building Department
914-377-7525                                                  914-377-6500

Free viewers are required for some of the attached documents.
They can be downloaded by clicking on the icons below.

Acrobat Reader Download Acrobat Reader Flash Player Download Flash Player Windows Media Player Download Windows Media Player Microsoft Silverlight Download Microsoft Silverlight Word Viewer Download Word Viewer Excel Viewer Download Excel Viewer PowerPoint Viewer Download PowerPoint Viewer