Smoke / CO Detector Replacement Cost in Baltimore, MD
What homeowners in Baltimore typically pay to replace a smoke / co detector in 2026.
Typical range
$90–$180
Most homeowners pay around $135 installed.
EstimatedUpdated 6/16/2026
How we calculated this
Local building codes often require hardwired interconnected units that necessitate professional electrical installation.
Other safety replacement costs in Baltimore
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