Smoke Detectors: Surprise vs Tempe
How do smoke detectors rules compare between Surprise, AZ and Tempe, AZ?
Tempe has fewer restrictions than Surprise.
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 →Tempe, AZ
Maricopa County
Tempe Rental Housing Code requires smoke detectors in all rental units, installed per the currently adopted building code (IRC R314 / IBC 907). Wall-mounted alarms must be 4-12 inches from the ceiling; ceiling units at least 4 inches from any wall. Owners must install, replace batteries annually, keep records, and verify operation between tenancies. Statewide A.R.S. § 36-1637 governs landlord/tenant duties.
View full Tempe rules →Key Facts Comparison
| Fact | Surprise | Tempe |
|---|---|---|
| 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 | - |
| Code Reference | - | Tempe Rental Housing Code |
| Building Standard | - | IRC R314 / IBC 907 |
| Required Locations | - | Each bedroom, hall, every story |
| Wall Placement | - | 4–12 in. from ceiling |
| Battery | - | Replace annually; owner duty |
| Statewide Rule | - | A.R.S. § 36-1637 |
Highlighted rows indicate differences between cities.
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.
Tempe FAQ
Where do smoke alarms have to be installed in a Tempe rental home?
Under Tempe's Rental Housing Code, which adopts IRC Section R314 and IBC 907, smoke alarms are required inside every bedroom, in the hallway or area immediately outside each sleeping area, and on every story including basements and habitable attics. Wall-mounted alarms must sit 4–12 inches from the ceiling; ceiling units at least 4 inches from any wall. The owner must install, maintain, and verify operation before each new tenancy.
Who is responsible for smoke detectors in a Tempe rental — landlord or tenant?
Both. Under Tempe's Rental Housing Code, the owner is responsible for installation, replacing batteries annually if battery-operated, keeping records, and verifying all detectors are operational before re-occupancy. Under A.R.S. § 36-1637, the tenant must maintain and test the detector during occupancy and give written notice of any malfunction; the landlord must then repair it. Reach Tempe Code Compliance at 480-350-8372.
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