Smoke Detectors: Fontana vs Ontario
How do smoke detectors rules compare between Fontana, CA and Ontario, CA?
Fontana and Ontario have similar restriction levels.
Fontana, CA
San Bernardino County
Fontana follows state law requiring smoke alarms in every bedroom, outside sleeping areas, and on each floor. CO alarms are required where homes have gas appliances or attached garages.
View full Fontana rules →Ontario, CA
San Bernardino County
Ontario enforces California H and S 13113.7 requiring smoke alarms in every bedroom, outside sleeping areas, and on every floor. 10-year sealed-battery or hardwired units are required on replacement.
View full Ontario rules →Key Facts Comparison
| Fact | Fontana | Ontario |
|---|---|---|
| Where required | Each bedroom, outside sleeping areas, every level of the home | - |
| Technology standard | 10-year sealed lithium battery post-2014 installs | - |
| CO alarms | Required with gas appliances, fireplace, or attached garage | - |
| Landlord duty | Install and test at the start of each tenancy | - |
| Sale trigger | Upgrade required at point of sale or permitted remodel | - |
| State authority | - | CA H and S 13113.7 |
| Required locations | - | Each bedroom, hallway, every floor |
| Alarm type | - | 10-year sealed or hardwired backup |
| Rental rule | - | Test before each new tenancy |
| Retrofit trigger | - | Work over 1,000 dollars |
Highlighted rows indicate differences between cities.
Fontana FAQ
How many smoke alarms does my Fontana home need?
One in each bedroom, one in the hallway outside sleeping areas, and at least one per floor including the basement - older homes may need multiple upgrades.
Do I need a carbon monoxide alarm in Fontana?
Yes if your home has any gas appliance, a fireplace, or an attached garage. Install one on each level and outside every sleeping area.
Who is responsible for alarms in a rental property?
The landlord installs and confirms operation at move-in; the tenant maintains batteries and reports failures during the tenancy.
Ontario FAQ
Do I need hardwired alarms in an older Ontario house?
Homes built before 1992 can generally use 10-year sealed battery alarms, but hardwired alarms with battery backup are required when a permit for significant work is issued.
Who is responsible for alarms in a rental home?
The landlord must install, test, and maintain alarms and verify they work before each new tenant moves in under California Civil Code 1941.1.
Compare other topics
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