Smoke Detectors: Bellevue vs Renton
How do smoke detectors rules compare between Bellevue, WA and Renton, WA?
Bellevue and Renton have similar restriction levels.
Bellevue, WA
King County
Bellevue follows Washington State Building Code requiring smoke alarms in every bedroom, outside sleeping areas, and on every level, plus CO alarms under RCW 19.27.530.
View full Bellevue rules →Renton, WA
King County
Renton requires smoke alarms in every sleeping area and on each floor under the WA Residential Code (RCW 19.27) and IFC via RMC 4-5-070. Rentals need working alarms at each tenancy per RCW 48.48.140.
View full Renton rules →Key Facts Comparison
| Fact | Bellevue | Renton |
|---|---|---|
| - | - | |
| Code | - | WA Residential Code, IFC 907 via RMC 4-5-070 |
| Locations | - | Each bedroom, outside sleeping areas, each floor |
| New Construction | - | Interconnected hardwired with backup |
| CO Alarms | - | Required with fuel appliances or garage |
| Rentals | - | Working alarms at each tenancy, RCW 48.48.140 |
Highlighted rows indicate differences between cities.
Bellevue FAQ
Renton FAQ
Do I need interconnected smoke alarms in my older Renton home?
Not until you do a permitted renovation over 1,000 dollars or add a bedroom. Otherwise battery-operated sealed 10-year alarms meet the minimum.
Are carbon monoxide detectors required?
Yes, in any dwelling with fuel-fired appliances like gas furnaces or a garage attached to living space, per RCW 19.27.530.
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