Smoke Detectors: Downers Grove vs Naperville
How do smoke detectors rules compare between Downers Grove, IL and Naperville, IL?
Downers Grove, IL
DuPage County
No data available yet for Downers Grove.
Naperville, IL
DuPage County
Naperville adopts the 2018 International Building Code and International Residential Code with local amendments requiring smoke detectors and carbon monoxide detectors in all residential dwellings. Detectors are required in every bedroom and on each level of the home.
View full Naperville rules →Key Facts Comparison
| Fact | Downers Grove | Naperville |
|---|---|---|
| Code | - | Title 5, Chapter 1 |
| Building Code | - | 2018 IBC/IRC adopted |
| CO Detectors | - | Required (430 ILCS 135) |
| New Construction | - | Hardwired + battery backup |
Highlighted rows indicate differences between cities.
Downers Grove FAQ
No FAQs available.
Naperville FAQ
Are carbon monoxide detectors required in Naperville?
Yes. Illinois state law (430 ILCS 135) requires CO detectors near sleeping areas in homes with fuel-burning appliances or attached garages. Naperville enforces this through its building code.
Where do smoke detectors go in a Naperville home?
Smoke alarms are required in every bedroom, outside each sleeping area, and on every level of the home including the basement, following the 2018 IRC as adopted by Naperville.
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