The answer to 'flea extermination cost in Illinois' is that the cost can vary significantly depending on several factors. Typically, flea extermination services in Illinois can range from $150 to $500 or more, with the average cost falling around $300.
The exact price will depend on the size of your home, the severity of the flea infestation, the type of treatment method used, and whether you need additional services like carpet cleaning or pet treatment. Larger homes, more severe infestations, and more comprehensive treatments will generally cost more. Getting quotes from multiple local pest control companies is essential to find the best price for your specific needs.