What is the California Smoke Detector Law for 2025?

How can the owner of a residential property comply with the current smoke alarm law? California law requires that all dwelling units intended for human occupancy have smoke alarms that comply with the State Fire Marshal’s regulations at the time of installation. This law applies to homes intended for owner occupancy, tenant occupancy, or homes for sale.

Where must smoke alarms be located? Generally smoke detectors must be located in the hallway next to the bedrooms. Since 1992, they must additionally be located in every bedroom and on every floor. If $1,000 or more of permitted improvements are made, then the smoke alarms must meet the more stringent location standards, typically that the smoke alarms to be hard wired and interconnected, if possible. More here on where exactly to install smoke and CO detectors.

Are there any special smoke alarm disclosure requirements when selling a residential
property?
Yes. There is a requirement for the seller to certify that the smoke alarms are in compliance. Conveniently, this seller certification is fully contained within the Transfer Disclosure Statement (TDS). Thus, if the seller provides a TDS, then the seller has complied. If on the other hand, the transaction is TDS exempt, then there is no formal legal requirement for the seller to certify compliance. Either way, many brokers will require the use of C.A.R. form Water Heater and Smoke Detector Statement of Compliance (WHSD). Check with your escrow officer for an explanation of your choices.

Are smoke alarms required to be installed as a requirement for single family homes and duplexes when selling? Yes. Smoke alarms are required to be installed as a point of sale for single family homes, duplexes and factory-built homes unless the transaction is TDS exempt. But even if TDS exempt, it is standard practice to ensure compliance, since many municipalities have their own smoke alarm point of sale installation requirements, and it is often a lender requirement as well. All cities in Southern California require smoke detectors to be installed.

Are the requirements for locating smoke alarms different if you rent or lease property? Slightly. The difference is that if the property is rented or leased, then the smoke alarms must be located in compliance with the most recent building standards, as described above. Any attached home that is rented must have hard wired smoke detectors by California state code.

Are there landlord responsibilities regarding smoke alarms? The landlord is responsible for testing and maintaining the smoke alarms in all units even in single family dwellings. The tenant cannot be made responsible for this, but the tenant has a duty to notify the owner if the tenant becomes aware of an inoperable smoke alarm.

California smoke detector law, retrofitter,retrofit company

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2 thoughts on “What is the California Smoke Detector Law for 2025?”

    1. If it is hard wired, replace with a newer hard wired type that is better suited for kitchens. If it is not hard wired, remove it out of the kitchen area, as it will always go off. Smoke detectors are meant to be near bedrooms, not kitchens.

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