The answer to 'how much to replace dimmer switch in my area' is that the cost to replace a dimmer switch can vary significantly depending on your location, the complexity of the job, and whether you hire a professional electrician or do it yourself. As a general range, you can expect to pay anywhere from $50 to $200 or more to have a professional electrician replace a dimmer switch, including labor and materials.
The exact cost will depend on factors like the type of dimmer switch, the accessibility of the electrical box, whether any additional wiring or electrical work is needed, and the rates charged by electricians in your local area. Replacing a simple dimmer switch yourself may cost as little as $20-$50 for the materials, but it's important to have the necessary electrical skills and safety knowledge to do it properly.