Smoke / CO Detector Replacement Cost in Chicago, IL
What homeowners in Chicago typically pay to replace a smoke / co detector in 2026.
Typical range
$65–$125
Most homeowners pay around $95 installed.
EstimatedUpdated 6/16/2026
How we calculated this
High local labor rates and strict municipal building codes drive the professional installation costs for these safety devices in Chicago.
Nearby cities
Other safety replacement costs in Chicago
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