Smoke / CO Detector Replacement Cost in Joliet, IL
What homeowners in Joliet typically pay to replace a smoke / co detector in 2026.
Typical range
$25–$80
Most homeowners pay around $50 installed.
EstimatedUpdated 6/17/2026
How we calculated this
Code compliance for interconnected safety devices drive consistent installation pricing.
Nearby cities
Other safety replacement costs in Joliet
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