The answer to 'why is my wasp recurring problem' is that wasp nests are often recurring issues due to their tendency to return to the same locations year after year. Wasps build new nests annually, and they are attracted to areas that provided them shelter and food sources the previous year.
Some common causes of recurring wasp problems include nests located in the eaves of your home, under roof overhangs, or in other sheltered areas around your property. Wasps also tend to return to areas with access to food and water, such as outdoor trash cans, pet bowls, or fruit trees. If you've had a wasp problem in the past, it's likely they will continue to be an issue unless you take steps to remove their nests and eliminate the factors attracting them to your home.