Smoke alarms must be installed inside each bedroom, outside each sleeping area, and on every level including the basement. Carbon monoxide alarms are required outside sleeping areas and on every level. Colorado law also requires CO alarms in homes with fuel-fired appliances.
Castle Rock Fire and Rescue directs that 'smoke alarms need to be installed inside each bedroom and outside of each sleeping area' and 'on every level of the home, including the basement,' at least 10 feet from cooking appliances and within 12 inches of the ceiling if wall-mounted. CO alarms should be installed 'outside separate sleeping areas' and 'on every level of the home.' Colorado statute (CRS 38-45-102) requires the seller of an existing single-family dwelling with a fuel-fired appliance, fireplace, or attached garage to install an operational CO alarm within 15 feet of each sleeping room.
Rental and sale non-compliance can block occupancy or transfer; the fire code official may require correction. No fixed municipal fine is published.
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