Smoke Detectors: Gilbert vs Surprise
How do smoke detectors rules compare between Gilbert, AZ and Surprise, AZ?
Gilbert has fewer restrictions than Surprise.
Gilbert, AZ
Maricopa County
Gilbert follows the 2018 International Residential Code (Section R314) and 2018 International Fire Code adopted statewide in Arizona. Smoke alarms are required inside every sleeping room, outside each separate sleeping area, and on every story of a dwelling, all interconnected so one alarm sounds them all. Statewide A.R.S. § 36-1637 governs landlord/tenant duties.
View full Gilbert rules →Surprise, AZ
Maricopa County
Surprise requires smoke detectors in all residential dwellings per the adopted International Residential Code and International Fire Code. Detectors must be in every bedroom, outside sleeping areas, and on every level. Carbon monoxide detectors are required where fuel-burning appliances are present.
View full Surprise rules →Key Facts Comparison
| Fact | Gilbert | Surprise |
|---|---|---|
| Building Code | 2018 IRC Section R314 (adopted) | - |
| Fire Code | 2018 IFC (state-adopted) | - |
| Required Locations | Each bedroom, hallway, every story | - |
| Interconnection | Required within unit | - |
| Statewide Statute | A.R.S. § 36-1637 | - |
| Gilbert Fire & Rescue | Confirm code amendments at 480-503-6300 | - |
| Bedrooms | - | Detector in every bedroom |
| Hallways | - | Outside each sleeping area |
| CO Detectors | - | Required with fuel-burning appliances |
| Rental Law | - | ARS 36-1637 |
| Surprise Fire | - | (623) 222-4810 |
Highlighted rows indicate differences between cities.
Gilbert FAQ
Where do smoke alarms have to be installed in a Gilbert home?
Under the 2018 International Residential Code (Section R314), which Gilbert enforces, smoke alarms are required inside each sleeping room, outside each separate sleeping area in the immediate vicinity of the bedrooms (typically the hallway), and on every additional story of the dwelling, including basements and habitable attics. All alarms within a single unit must be interconnected so that activation of one alarm sounds them all.
Who is responsible for smoke detectors in a rented Gilbert home?
Under A.R.S. § 36-1637, the landlord must install approved smoke detectors when housing is built or when a sleeping area is remodeled under a building permit, and must repair detectors after receiving written notice from the tenant. The tenant is responsible for routine testing, replacing batteries, and providing that written notice if a unit fails. Confirm any local amendments with Gilbert Fire & Rescue at 480-503-6300.
Surprise FAQ
Where do I need smoke detectors in my Surprise home?
Inside every bedroom, outside each sleeping area in hallways, and on every level of the home. New construction requires hardwired interconnected alarms with battery backup.
Do I need carbon monoxide detectors?
Yes, if your home has fuel-burning appliances (gas furnace, water heater, fireplace) or an attached garage.
Does Surprise offer free smoke detectors?
Surprise Fire-Medical Department offers smoke alarm installation programs for qualifying residents. Contact them at (623) 222-4810.
Compare other topics
See how Gilbert and Surprise compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool