NYC Administrative Code 27-2045 requires working smoke alarms in every dwelling unit. Since 2019 all replacement alarms must be sealed 10-year battery or hardwired units. Carbon monoxide alarms are also required under 27-2046.
Owners must install and maintain a smoke alarm within 15 feet of each sleeping area. Tenants pay a one-time reimbursement of up to $25 for new installation and up to $50 for combination smoke/CO units. As of April 1, 2019 all newly installed residential smoke alarms must be sealed 10-year battery or hardwired per Local Law 157/2016. CO alarms required within 15 feet of sleeping areas in any unit with fuel-burning appliance, fireplace, or attached garage.
Owner failure to install: HPD Class C immediately hazardous violation, $250-$1,500 fine. Tampering or removing an alarm: additional penalties.
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