Smoke Detectors: Mount Vernon vs Yonkers
How do smoke detectors rules compare between Mount Vernon, NY and Yonkers, NY?
Mount Vernon and Yonkers have similar restriction levels.
Mount Vernon, NY
Westchester County
Mount Vernon enforces the New York State Uniform Fire Prevention and Building Code (19 NYCRR Part 1225, incorporating the 2020 Fire Code of NYS), which requires smoke alarms in every sleeping room, outside each sleeping area, and on every story of a dwelling. New construction alarms must be hardwired with battery backup and interconnected; replacement battery-only alarms must use a sealed 10-year battery.
View full Mount Vernon rules βYonkers, NY
Westchester County
Yonkers enforces New York State smoke and carbon monoxide alarm requirements under 19 NYCRR Part 1225 (Uniform Fire Prevention and Building Code). All dwellings must have working smoke alarms in every sleeping area, outside each sleeping area, and on every story; battery-only alarms sold in NY since 2019 must be sealed 10-year units.
View full Yonkers rules βKey Facts Comparison
| Fact | Mount Vernon | Yonkers |
|---|---|---|
| Governing Code | 19 NYCRR Part 1225 | - |
| Standard | 2020 NYS Residential Code R314 | - |
| Required Locations | Each bedroom, hall, every story | Each bedroom + outside sleeping areas + each story |
| New Construction | Hardwired + battery + interconnected | Hardwired + interconnected + battery backup |
| Battery Replacements | Sealed 10-yr (since 4/1/2019) | - |
| Maximum Alarm Age | 10 years | - |
| State Code | - | 19 NYCRR Part 1225 |
| Existing Homes | - | Battery-only OK if sealed 10-yr |
| Sealed Battery Law | - | NY GBL 399-ccc (Apr 2019) |
| CO Alarms | - | Required (Amanda's Law) |
| Replacement | - | Every 10 years |
| Yonkers Fire Dept | - | (914) 377-7575 |
Highlighted rows indicate differences between cities.
Mount Vernon FAQ
Where do I have to install smoke alarms in a Mount Vernon home?
Section R314 of the 2020 New York State Residential Code (adopted via 19 NYCRR Part 1225 and enforced locally under Mount Vernon Chapter 131) requires a smoke alarm inside every sleeping room, outside each separate sleeping area in the immediate vicinity of the bedrooms, and on each additional story of the dwelling including basements and habitable attics. New construction alarms must be hardwired with battery backup and interconnected so one triggers all.
Can I still use 9-volt battery smoke alarms in Mount Vernon?
Existing replaceable-battery alarms installed in compliance with prior code may remain in service, but any battery-only replacement smoke alarm sold or installed in New York since April 1, 2019 must use a sealed, non-removable 10-year battery under NY General Business Law section 399-ccc. All smoke alarms must be replaced 10 years from the date of manufacture or sooner if they fail an operability test.
Yonkers FAQ
Where do I need smoke alarms in my Yonkers home?
You need a smoke alarm inside each bedroom, outside each separate sleeping area, and on every story of the dwelling including the basement, per 19 NYCRR Part 1225.
Do I need hardwired or battery alarms?
New construction and substantial renovations require hardwired, interconnected alarms with battery backup. Existing one- and two-family homes may use battery alarms, but any new battery alarm sold in NY since April 2019 must have a sealed, non-removable 10-year battery.
Are landlords or tenants responsible for smoke alarms?
Landlords must install working alarms before occupancy. Tenants are responsible for ongoing testing and battery replacement (where removable) and must report any failure to the landlord promptly.
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