The answer to 'cost to install dimmer switch' is that the cost can vary significantly depending on several factors. Generally, the cost to install a dimmer switch can range from $50 to $300 or more, depending on the complexity of the installation, the type of dimmer switch, and whether any electrical wiring or other modifications are required.
The main factors that influence the cost include the type of dimmer switch (basic vs smart/connected), the difficulty of the installation (e.g., if the existing wiring needs to be updated), the cost of the materials, and whether you hire an electrician or do the work yourself. It's essential to get local quotes from licensed electricians to get an accurate estimate for your specific project.