Cost to install smoke detector

ElectricalUpdated March 2026

The answer to 'cost to install smoke detector' is that the typical cost to install a smoke detector can vary significantly depending on several factors. While a basic smoke detector may cost $10-$50 for the device itself, the total installation cost can range from $50 to $200 or more.

The main factors that influence the cost include whether it's a new installation or replacing an existing one, the accessibility of the installation location, the complexity of the electrical wiring, and whether any drywall or other construction work is required. Additionally, labor costs from the electrician or handyman can vary based on their experience, location, and the specific job details.

Sources

National Fire Protection Association— authority

Underwriters Laboratories (UL)— authority

U.S. Fire Administration— authority

Frequently Asked Questions

Can I install a smoke detector myself?

In many cases, a homeowner can install a basic smoke detector themselves as a DIY project. However, for more complex installations or if the smoke detector needs to be hardwired into the home's electrical system, it's best to hire a licensed electrician.

How often should I replace my smoke detectors?

Most smoke detectors have a lifespan of 8-10 years. It's recommended to replace them every 10 years or as directed by the manufacturer to ensure they are functioning properly and providing adequate protection.

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