Smoke / CO Detector Replacement Cost in Seattle, WA
What homeowners in Seattle typically pay to replace a smoke / co detector in 2026.
Typical range
$60–$110
Most homeowners pay around $85 installed.
EstimatedUpdated 6/16/2026
How we calculated this
High local labor costs and strict residential fire safety codes drive the professional installation premiums in this region.
Nearby cities
Other safety replacement costs in Seattle
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