Smoke / CO Detector Replacement Cost in Rockford, IL
What homeowners in Rockford typically pay to replace a smoke / co detector in 2026.
Typical range
$18–$55
Most homeowners pay around $35 installed.
EstimatedUpdated 6/17/2026
How we calculated this
Regulatory requirements for carbon monoxide and smoke detection drive consistent product demand.
Nearby cities
Other safety replacement costs in Rockford
Track this in your home file
HomeFiles tracks the useful life of every system in your house so you see surprises coming. Get the free weekly homeowner brief.