The answer to 'how often for carpenter ant control' is that carpenter ant infestations typically require ongoing monitoring and treatment every 1-3 months to fully eliminate the colony. Carpenter ants can be difficult to eradicate as they create extensive tunnel systems in wood and can have multiple colonies in a single home.
Effective carpenter ant control often involves a combination of baiting, spraying, and sealing entry points. A professional pest control technician can assess the extent of the infestation and develop a customized treatment plan to target the main nest and any satellite colonies. Regular inspections and reapplication of treatments are usually necessary to prevent the ants from returning.