Smoke Detectors: Auburn vs Seattle
How do smoke detectors rules compare between Auburn, WA and Seattle, WA?
Auburn and Seattle have similar restriction levels.
Auburn, WA
King County
Auburn follows the 2021 IFC under ACC 15.36. Smoke alarms required in each bedroom, outside sleep areas, every level. CO alarms required in dwellings with fuel appliances per RCW 19.27.530.
View full Auburn rules →Seattle, WA
King County
Smoke alarms required in all King County dwellings per WA Building Code (RCW 19.27, IRC R314). New construction needs hardwired interconnected alarms with battery backup; battery-only allowed in existing homes.
View full Seattle rules →Key Facts Comparison
| Fact | Auburn | Seattle |
|---|---|---|
| Smoke Alarm Locations | Every bedroom and level | - |
| CO Alarm Law | RCW 19.27.530 | - |
| Interconnected Required | New construction only | - |
| Free Program | VRFA with Red Cross | - |
| Landlord Duty | RCW 59.18.130 | - |
| Every Sleep Room | - | Required |
| New Construction | - | Hardwired + interconnected |
| CO Alarms | - | Required RCW 19.27.530 |
| 10-year Battery | - | Allowed existing homes |
| Code | - | RCW 19.27 IRC R314 |
Highlighted rows indicate differences between cities.
Auburn FAQ
Where must I install smoke alarms in an Auburn home?
Inside each sleeping room, outside each sleeping area, and on every story including basements. New construction requires interconnected hardwired alarms with battery backup.
Are CO detectors required in Auburn?
Yes. RCW 19.27.530 requires CO alarms in every dwelling with a fuel-burning appliance or attached garage. Landlords must install them before each new tenancy.
Can I get free smoke alarms in Auburn?
Yes. Valley Regional Fire Authority partners with the American Red Cross to install free 10-year smoke alarms for qualifying residents. Request through VRFA website.
Seattle FAQ
Can I use battery-only smoke alarms in my older home?
Yes, battery-only alarms are legal in existing homes not undergoing permitted remodel. 10-year sealed-battery units are recommended and meet the state standard.
Do I need a carbon monoxide alarm?
Yes if your home has any fuel-burning appliance (gas furnace, gas stove, gas water heater, gas fireplace, or wood stove) or an attached garage. Required statewide since 2013.
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