The answer to 'quarterly service extermination cost' is that the cost can vary significantly depending on several factors. Typical ranges for quarterly pest control service can range from $100 to $300 or more per visit, but the exact price will depend on the size of your home, the severity of the pest problem, the products and methods used, and your location.
Factors that influence the cost include the type of pests being treated, the number of access points in your home, whether you need ongoing monitoring or one-time treatment, and the experience and reputation of the pest control company. It's important to get quotes from multiple local providers to compare pricing and services.