The answer to 'how often for rat control' is that the frequency of rat control treatments can vary depending on the severity of the infestation and the methods used. Generally, for effective rat control, a professional exterminator will recommend a series of treatments spaced 2-4 weeks apart. This allows time for the initial treatment to take effect and any remaining rats to be eliminated.
The first step is typically a thorough inspection to identify entry points, nesting areas, and food sources that are attracting the rats. The exterminator will then use a combination of baits, traps, and exclusion methods to get the infestation under control. Follow-up treatments are usually needed to ensure all rats are eliminated and prevent them from returning.