Smoke / CO Detector Replacement Cost in San Francisco, CA
What homeowners in San Francisco typically pay to replace a smoke / co detector in 2026.
Typical range
$95–$185
Most homeowners pay around $140 installed.
EstimatedUpdated 6/16/2026
How we calculated this
Strict fire safety building codes and extremely high professional electrician labor rates significantly inflate installation costs in this region.
Nearby cities
Other safety replacement costs in San Francisco
Track this in your home file
HomeFiles tracks the useful life of every system in your house so you see surprises coming. Get the free weekly homeowner brief.