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  • Writer's pictureJeff Sorg

Are Carbon Monoxide (CO) Alarms a Requirement for Oregon Home Sellers? What You Need to Know

Updated: Mar 28

Picture of Oregon carbon monoxide alarm requirements pamphlet

In Oregon, carbon monoxide (CO) alarms must be installed in dwellings before they are sold, but only if the dwelling contains a carbon monoxide source.

Here's a breakdown of the key points:

  • CO Alarms Required, But Not Always: Not every home needs a CO alarm before being sold. The requirement only applies to dwellings containing a source of carbon monoxide.

  • Common CO Sources:  Examples of CO sources in a home include:

  • Fuel-burning appliances like furnaces, water heaters, and fireplaces.

  • Gas ranges and ovens.

  • Attached garages

  • Alarm Placement:  If a CO alarm is required, it must be installed in accordance with the manufacturer's instructions and specific state regulations. Generally, this means:

  • Placing alarms within each bedroom or within 15 feet outside of each bedroom door.

  • Installing an alarm in any enclosed common area connected by a door, ductwork, or ventilation shaft to a CO source.


By understanding these regulations, sellers in Oregon can ensure their properties comply with CO alarm requirements before transferring ownership.


(C) 2024 Jeff Sorg


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