That depends on many factors such as whether it’s a home or business. For your home, quarterly pest control barrier treatments are most common. There is no need whatsoever to have monthly pest control at your house. Trust us, we have an entomologist 😉 . Products these days are formulated to withstand harsh environmental conditions and leave longer insecticide residuals than the stuff that was available and on the market years ago. We also have many customers that rejoice over our semi-annual treatments. We know how to protect your home from pests year around. You can either tell us what you prefer, or inquire about our recommendation. You can rest assure that we won’t steer you wrong.