Carbon monoxide alarms are required in newly built one- and two-family homes and townhomes. CO alarms also are required in cases where alterations, repairs or replacement of electrical systems require permits.
CO alarms are required outside of each separate sleeping area in the immediate vicinity of the bedrooms in all newly constructed one and two-family dwellings and town homes not more than three stories.
Effective date: January 2017
CO alarms are required in new residential construction.
Effective date: May 2017