According to a Dietitian

There are many reasons people struggle to kill yellow jackets. The entrance to an underground yellow jacket nest isnt always easy to spot because it may be partially obstructed by loose debris and leaves. How To Keep Yellow Jackets Away From Your Home 15 Home Remedies For Killing Wasps You can use boiling water to kill Yellow Jackets. Killing yellow jacket nest . For that reason its important to get rid of yellow jacket nests when you find them in buildings and other structures where people could get stung. Merely approaching a nest is enough to warrant an attack. Spraying a yellow jackets nest with over-the-counter insecticide can be very dangerous. Spray the solution around your home in places that could attract yellow jackets such as near small crevices ledges eaves and porches. Boiling water can flow down into the entrance freely instantly killing the insects. I can tell you that I personally tried this twice and they were still there and mad as hell that I tried this