Despite your vivid image of thousands of ants literally eating your house, the fact is that you probably have plenty of time. A colony consisting of 200 to 300 worker ants is at least 2 to 4 years. Carpenter ants are destructive pests, Contact Ampm pest control operator to schedule a treatment immediately. Educate yourself about ants and the available control methods. Hire ampm exterminator professional, that understands your concerns about toxic chemicals and will work with you to select a least-toxic control program. At the same time, plan the repairs and modifications which will prevent recurrence of the problem without additional use of chemicals.