Smoke Alarms: Martinez vs Oakley
How do smoke alarms rules compare between Martinez, CA and Oakley, CA?
Martinez and Oakley have similar restriction levels.
Martinez, CA
Contra Costa County
California Health & Safety Code 13113.7 and the California Residential Code require working smoke alarms in all dwelling units in Contra Costa County. Alarms are required in each sleeping room, outside each sleeping area, and on every level including basements. Alarms manufactured after 2015 must have a 10-year sealed battery.
View full Martinez rules →Oakley, CA
Contra Costa County
California Health & Safety Code 13113.7 and the California Residential Code require working smoke alarms in all dwelling units in Contra Costa County. Alarms are required in each sleeping room, outside each sleeping area, and on every level including basements. Alarms manufactured after 2015 must have a 10-year sealed battery.
View full Oakley rules →Key Facts Comparison
| Fact | Martinez | Oakley |
|---|---|---|
| Governing law | HSC 13113.7 + CRC R314 | HSC 13113.7 + CRC R314 |
| Locations | Each bedroom + outside + every level | Each bedroom + outside + every level |
| Battery standard (post-2015) | 10-year sealed non-replaceable | 10-year sealed non-replaceable |
| New construction | Hardwired with battery backup, interconnected | Hardwired with battery backup, interconnected |
| Sale certification | Required by seller | Required by seller |
Highlighted rows indicate differences between cities.
Martinez FAQ
How many smoke alarms does my house need?
At minimum, one in each bedroom, one outside each sleeping area, and one on every floor of the home. A typical 3-bedroom, 2-story home requires at least 5 alarms.
Can I still buy 9-volt battery smoke alarms?
No. Since July 2015, California requires battery-only smoke alarms sold in the state to have 10-year sealed non-replaceable batteries and a State Fire Marshal listing.
Oakley FAQ
How many smoke alarms does my house need?
At minimum, one in each bedroom, one outside each sleeping area, and one on every floor of the home. A typical 3-bedroom, 2-story home requires at least 5 alarms.
Can I still buy 9-volt battery smoke alarms?
No. Since July 2015, California requires battery-only smoke alarms sold in the state to have 10-year sealed non-replaceable batteries and a State Fire Marshal listing.
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