What's included
- ✓Install/replace smoke & CO units
- ✓Battery or hardwired
- ✓Correct placement per room
- ✓Test alarms & interconnect
- ✓Haul old units
Common smoke detector installation jobs we handle
California requires smoke alarms in every bedroom, outside sleeping areas and on each level, useful before a sale.
Recent work in Los Angeles
Real electrical jobs by Construction Hub. Our own photos, not stock.
What customers say
Real reviews from Thumbtack, word for word.
“He was amazing to book at last minute Fantastic communication”
“Showed up on time. Went out of their way to make sure I'm happy with their work. And I am very happy with their work!”
“Great Really did a good job. Very professional”
Get a price for Smoke Detector Installation
Pick your job, see your upfront price, and book this week with a local pro.
Typical range for Smoke Detector Installation: $80–$160. Your exact flat quote depends on the job, and you approve it first.
How your smoke detector installation gets done
Simple and upfront: you approve the price before we start.
Share your smoke detector installation details and get an upfront flat price from $80. Call us or use the instant estimate.
You approve the price before any work starts, then pick a time: same-week, often next-day, with a text before arrival.
An insured, background-checked pro completes your smoke detector installation to spec. Most jobs take 20–40 minutes per unit.
We tidy up, walk you through the result, and back it with our satisfaction guarantee.
Read up before you book
What the job costs in Los Angeles, and how far you can get on your own.
What smoke detector installation costs in Los Angeles
Most jobs land between $80 and $160. The guide shows what pushes a quote to either end.
See the price breakdown
Smoke and CO Alarms: When to Replace the Whole Unit
For an alarm that chirps at night, or one nobody remembers putting up. How to read its age, which kind you have, and where California wants smoke and CO alarms.
Read the guideRelated services
We do smoke detector installation across Los Angeles
Smoke Detector Installation: FAQ
What is the starting price for smoke detectors?
Flat from $80; whole-home replacements are bundled per unit, with combo smoke/CO units costing slightly more.
How many detectors do I need?
California requires one in each bedroom, outside sleeping areas and on each level. We put them in the right spots.
Battery or hardwired?
We install both; hardwired interconnected units (one trips all) are common for code compliance.
Can you add carbon monoxide detectors?
Yes, including combination smoke/CO units near sleeping areas as required.