Smoke Detectors: Green Valley vs Marana
How do smoke detectors rules compare between Green Valley, AZ and Marana, AZ?
Green Valley and Marana have similar restriction levels.
Green Valley, AZ
Pima County
Pima County requires smoke detectors per the adopted IRC. Detectors needed in every bedroom, outside sleeping areas, and on each level. New construction requires hardwired units.
View full Green Valley rules →Marana, AZ
Pima County
Marana adopts the International Residential Code requiring smoke alarms in each bedroom, outside sleeping areas, and on every level of a dwelling. Carbon monoxide detectors required where fuel-burning appliances or attached garages exist.
View full Marana rules →Key Facts Comparison
| Fact | Green Valley | Marana |
|---|---|---|
| New Construction | Hardwired, interconnected | - |
| Existing Homes | Battery-only acceptable | - |
| Locations | Every bedroom, sleeping areas, each level | - |
| Replacement | Every 10 years | - |
| Code | - | International Residential Code (adopted) |
| Smoke Alarms | - | Every bedroom, outside sleeping areas, each level |
| CO Detectors | - | Required with fuel-burning appliances |
| Type | - | Hardwired, interconnected, battery backup |
Highlighted rows indicate differences between cities.
Green Valley FAQ
Does Pima County require smoke detectors?
Yes. The adopted IRC requires smoke detectors in all residential buildings -- every bedroom, outside sleeping areas, and on each level. New construction needs hardwired interconnected units with battery backup.
Do rental properties need smoke detectors?
Yes. Arizona landlord-tenant law (ARS 33-1364) requires landlords to provide functioning smoke detectors. Detectors must be working at the start of each tenancy.
Marana FAQ
Where do smoke detectors need to be installed in Marana homes?
Per the adopted International Residential Code: in every bedroom, in the hallway outside sleeping areas, and on every level of the home. They must be hardwired and interconnected with battery backup in new construction.
Are carbon monoxide detectors required in Marana?
Yes, in homes with fuel-burning appliances such as gas furnaces or water heaters, or homes with attached garages.
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