City of Los Angeles Duplex Retrofit Requirements When Selling

When selling a ‘duplex‘ in the city of Los Angeles, the following items must be certified as compliant for escrow purposes.

  • All toilets must be low flow meaning they flush 1.6 gallons per flush or less per flush.
  • Water heater tank(s) must be double strapped to prevent tip-over. Tankless water heaters do not need a strap.
  • Smoke detectors – May be either battery type or hard wired type. Must be in each bedroom and adjacent bedroom hallway. A working smoke detector must be on each level of the home if the home has multiple floors.
  • Carbon monoxide detectors – Must have a working CO or carbon monoxide detector on each level (at least) and in any sleeping room with a gas appliance.
  • Earthquake shut off valve – Must be installed on each gas meter if there is more than one meter.

A ‘duplex’ is defined by public records or title, and contains two units which may be either attached or detached to each other. An ‘ADU’ is not considered a ‘duplex’ unit in the eyes of the city of Los Angeles, even though the property may contain two (detached or attached style) units.

Call us at 310.800.4418 if you have any questions.

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