The answer to 'why is my wasp nests' is that wasp nests are typically built in response to warm weather and the need to establish a new colony. Wasps build nests in a variety of locations, including under eaves, in attics, or attached to trees or shrubs. Common signs of a wasp nest include seeing the wasps flying around the nest, hearing buzzing sounds, or noticing the actual nest structure.
The best solution for a wasp nest depends on the size and location. Smaller nests can often be removed safely with DIY methods, but larger or hard-to-reach nests should be handled by a professional pest control technician. Attempting to remove a large nest on your own can be very dangerous due to the risk of being stung.