Smoke Detectors: Antioch vs Oakley
How do smoke detectors rules compare between Antioch, CA and Oakley, CA?
Antioch and Oakley have similar restriction levels.
Antioch, CA
Contra Costa County
Smoke alarms and carbon monoxide detectors are required in every Antioch dwelling under California Health & Safety Code 13113.7 and 13260. Alarms must be installed in every bedroom, outside sleeping areas, and on each floor. Sale or rental of a property triggers a mandatory compliance inspection.
View full Antioch rules →Oakley, CA
Contra Costa County
California State Fire Marshal regulations require working smoke alarms in every bedroom, outside each sleeping area, and on every floor of all dwellings. Alarms installed after 2015 must be 10-year sealed-battery models. Oakley enforces installation at point of sale and during permitted remodels. Carbon monoxide alarms are required in any home with fuel-burning appliances or attached garages under Health & Safety Code Section 13261.
View full Oakley rules →Key Facts Comparison
| Fact | Antioch | Oakley |
|---|---|---|
| Smoke alarm law | H&S Code 13113.7 | - |
| CO detector law | H&S Code 13260 | - |
| Battery type | 10-year sealed (since 2015) | - |
| Required locations | Each bedroom, hallway, every floor | - |
| Landlord duty | Install at turnover; tenant maintains | - |
| Fact | - | Required in every bedroom, outside sleeping areas, each floor |
Highlighted rows indicate differences between cities.
Antioch FAQ
Do I need CO detectors if I have an all-electric home?
Only if you have an attached garage. Fully electric homes without attached garages or fuel-burning appliances are exempt from the CO detector requirement.
Who is responsible in a rental - landlord or tenant?
The landlord must install and certify functional alarms at tenant move-in. Tenants must test monthly and replace batteries during their tenancy; landlords handle replacements of the sealed units.
Oakley FAQ
Do I need to upgrade my older smoke alarms?
If your alarms were installed before 2015 and use replaceable batteries, they still must be functional but may be replaced with 10-year sealed-battery models at next replacement. All alarms should be replaced every 10 years regardless.
Are carbon monoxide alarms really required in all homes?
Yes, if your home has any fuel-burning appliance (gas furnace, water heater, stove, fireplace) or an attached garage. Only all-electric homes without attached garages are exempt.
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