A complete detector visit
The $125 basic service includes standard batteries for up to six detectors plus cleaning, testing and inspection of every smoke and CO detector in the home.
Replacement when a unit is due
Published pricing is $65 per hardwired smoke detector and $85 per hardwired smoke-and-CO combination detector, using the specified First Alert models with parts and labor included.
Thornton safety resources
Thornton Fire Department publishes monthly test and ten-year smoke-alarm replacement guidance. North Metro Fire Rescue also maintains an alarm-assistance program for qualifying residents who cannot provide alarms for their home.
Schedule locally
Call or text (303) 880-9881 with the Thornton address, home size and approximate number of detectors. For an active alarm or suspected emergency, leave the home and call 911.
Safety references
Primary sources used for this page:
Manufacturer instructions and current local requirements control. For an emergency, call 911.