The general costs of getting pest control Mercer Island depend mainly on two factors; if it is an on-going contract or a one-time extermination procedure. Aside from that, the kind of pest control solution, technique, and size of the property will also have an impact on the overall cost of the project. The average cost of Mercer Island pest control is estimated to be between $110 and $280. To save costs, most homeowners tend to fix the problem by applying insect killing solutions or agents. However, you need to understand that pest infestation requires the attention of professionals to get rid of them totally. For example, wood eating insects like termites can cause severe damage to your home’s structure. Not only are they hard to kill, but they can also return anytime. Critical damage to your house can cost you thousands of dollars in repairs alone.