
What Causes Spider Infestations? in Bellevue, WA
Spiders are one of the most feared kinds of pests in Bellevue WA. Although most types of spiders are harmless, they still cause alarm for those who encounter them. There are a number of reasons why a home or business may end up with a spider infestation. Understanding why spiders become pests is a good way to know how to get rid of them and keep them away.
Food Sources
Like all animals, spiders need to eat to survive. They primarily feed on insects and other bugs, so they seek out places with a ready supply of them. Although spiders are great to have around because they help get rid of more harmful pests (e.g., roaches, fleas, mosquitoes, etc.), in large numbers spiders can be an unwelcome annoyance. Unfortunately, this can occur inside people’s living and working spaces. Eliminating factors that attract excess bugs can help prevent house spider infestations.
- Keep unscreened windows and doors closed
- Close gaps around doors and windows that allow light in
- Seal cracks and crevices in baseboards
- Avoid unclean and cluttered conditions
- Minimize the use of porch lights and lamps in windows


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Did a great job. Update: after watching for 10 days after the 1st treatment, ants returned.- Carl B.
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He gave me an education on our specific ant problem and the treatment path of solution. We saw an immediate improvement.- Satisfied Customer
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He found the issue, identified the insect and treated it all very quickly and took care of the perimeter of my home.- Traci O.
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Accidentally Hitch a Ride
One can blame the spider for wandering indoors in search of food or shelter. Sometimes, the actual culprits are those who inadvertently bring them inside. Many items that are commonly left around the yard, in the garage, or stored in sheds may harbor spiders and egg sacs. It’s important to thoroughly check the following objects for hitchhikers to prevent them from making a home inside.
- Firewood
- Flowers and plants
- Storage boxes
- Outdoor objects
The effective control of spiders may not be that obvious to those who aren’t trained. Learning about their basic needs and other reasons they end up indoors is a good place to start. When do-it-yourself tactics fail to work, a spider control professional can help eliminate and prevent spider infestations. Reach out to our team today to get started with expert spider extermination services!

