Smoke / CO Detector Replacement Cost in Boston, MA
What homeowners in Boston 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
Higher labor costs and strict local fire code requirements drive the installation cost above the national average.
Nearby cities
Other safety replacement costs in Boston
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