The answer to 'quarterly service extermination cost in Chicago' is that the typical range for quarterly pest control service in the Chicago area can vary widely, but generally falls between $100 to $300 per visit. The exact cost will depend on factors like the size of your home, the severity of the pest problem, the type of pests, and the specific services required.
For example, a small single-family home with a minor ant or spider issue may be on the lower end of that range, while a larger multi-unit building with a more serious rodent or termite problem could be on the higher end. It's essential to get quotes from multiple local pest control companies to compare services and pricing for your specific situation.