The answer to 'cost to install smoke detector in my area' is that the typical cost to install a smoke detector in a home can range from $50 to $200 per detector, depending on several factors. The cost can vary based on the type of smoke detector, whether it's a basic battery-powered model or a more advanced hardwired unit, as well as the complexity of the installation and any necessary electrical work.
Other factors that can influence the cost include the accessibility of the installation location, the need for any drywall or other construction work, and the labor rates in your local area. It's always best to get quotes from licensed electricians in your area to get a more accurate estimate for your specific project.