Pest control services are professional services that identify, manage, prevent, and eradicate pests in homes, businesses, and agricultural settings. Pest control services use physical and chemical methods to: Prevent pests from entering an area, Detect pests, Eradicate pests, and Ensure good hygienic practices. Pest control services are recommended twice a year. It's best to hire a licensed pest professional who is an expert on the pests they treat.