Smoke / CO Detector Replacement Cost in Bellevue, WA
What homeowners in Bellevue typically pay to replace a smoke / co detector in 2026.
Typical range
$35–$100
Most homeowners pay around $65 installed.
EstimatedUpdated 6/17/2026
How we calculated this
Local fire codes for interconnected smart systems make these safety devices a slightly higher cost.
Nearby cities
Other safety replacement costs in Bellevue
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