Antioch vs Richmond
How do smoke detectors rules compare between Antioch, CA and Richmond, CA?
Antioch and Richmond 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 →Richmond, CA
Contra Costa County
California law requires working smoke alarms in every Richmond dwelling unit, with additional carbon-monoxide detector requirements. All units must have battery-backup or 10-year sealed-battery alarms. Point-of-sale and rental-turnover compliance is mandatory, enforced by Richmond Fire Prevention and the Rent Program for covered rentals.
View full Richmond rules →Key Facts Comparison
| Fact | Antioch | Richmond |
|---|---|---|
| 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 | - |
| - | - |
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.
Richmond FAQ
Compare other topics
See how Antioch and Richmond 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