The answer to 'stink bug extermination cost in Chicago' is that the cost can vary widely depending on several factors. Generally, professional stink bug extermination services in the Chicago area can range from $150 to $500 or more, depending on the size of the infestation, the extent of the treatment needed, and the specific company you hire.
Factors that can influence the cost include the number of rooms or square footage that needs to be treated, whether it's a one-time service or requires ongoing treatment, and the specific methods and products used by the pest control company. It's important to get quotes from multiple local providers to compare prices and services.