2026 Cost Guide · Updated August 2026
Smoke Detector Installation Cost in Los Angeles
Smoke Detector Installation in Los Angeles costs $80–$160, with a typical job around $120. We quote a flat price upfront, before any work starts.
What affects the price
A handful of concrete things move the price, and the list below covers them. A simple job with easy access lands near $80; when several factors stack up, the quote moves toward $160. Typical time for smoke detector installation: 20–40 minutes per unit.We look at your specifics, quote one flat price, and you approve it before we start. The quote is free, and it only changes if the job itself changes, never mid-work without your OK.
- •Number of units
- •Hardwired vs battery
- •Combo smoke / CO units
- •Ceiling height
Flat-rate vs hourly
Most smoke detector installation jobs get one flat price per job, and you approve it before we start. Larger or open-ended work runs hourly at $85–$125/hour, the going rate in Los Angeles.
Other jobs you might need
Often booked alongside smoke detector installation. Each has its own flat-rate guide.
Smoke Detector Installation cost: FAQ
What does smoke detector installation cost in Los Angeles?
Most smoke detector installation jobs run $80 to $160. A typical job lands near $120. We quote one flat price upfront, so you know the cost before any work starts.
What makes smoke detector installation cost more or less?
The biggest drivers are number of units, hardwired vs battery, combo smoke / CO units, and ceiling height. A simple job with easy access sits near $80. When several of those stack up, we quote closer to $160.
What does the smoke detector installation price include?
Your flat quote covers the work itself: Install/replace smoke & CO units, Battery or hardwired, and Correct placement per room. Labor and the visit are in the price, with no separate trip fee.
Which smoke detector installation jobs does this price range cover?
We book these most often: Chirping / dead detector, Pre-sale code compliance, Add CO detectors, and Whole-home replacement. All of them sit inside the $80 to $160 range, and anything unusual gets its own flat quote once we see it.
Do you charge by the hour or a flat rate?
Smoke Detector Installation is flat-priced per job, so there are no hourly surprises. Typical time: 20–40 minutes per unit. For bigger open-ended projects we bill $85–$125/hour, in line with LA handyman rates.
Can I save by booking other jobs at the same time?
Often yes. Bundling two or three fixes into one visit gets you the best value per job, and smoke detector installation pairs well with light fixture installation and outlet & switch replacement. Send us the whole list and we will quote it all together.