top of page

Spider Infestation: Signs and Prevention

Signs of a Spider Infestation

Cobweb in bottom corner of home's window
Spider webs are commonly found near light or windows that get light at night.

Common signs of a spider problem include:

  1. Spider webs: One of the most common signs of a spider infestation is the presence of spider webs. These webs can be found in corners, along ceiling beams, chandeliers, and other hard-to-reach areas.

  2. Egg sacs: Spider egg sacs are another indication of a potential spider infestation. These sacs are usually found within or near spider webs and can contain numerous spider eggs.

  3. Live or dead spiders: Spotting live or dead spiders in your home is a clear sign of a spider infestation. If you consistently come across spiders in various areas of your house, it may indicate a larger infestation.

  4. Increased spider activity: If you notice an increase in spider sightings, such as seeing more spiders than usual or encountering them frequently, it could be a sign of a spider infestation.

Spider Infestation Prevention Tips

Woman cleaning windowsill containing potted plants
Cleaning areas where spiders are likely to inhabit help prevent an infestation.

To prevent a spider infestation, you can take the following steps:

  1. Clean regularly: Spiders are less likely to inhabit clean homes with fewer hiding places. Sweep down or vacuum up spider webs and egg sacs whenever you see them. Keep your home tidy and free of clutter, as spiders like to hide in piles of old magazines, dirty clothes and other items that provide cover.

  2. Seal entry points: Close off potential entry points for spiders by sealing cracks and crevices in your home. Use caulk to seal gaps around doors, windows, wires, cables and faucets. Patch holes in door or window screens, and make sure your vents and chimney are covered with insect-proof screens.

  3. Remove outdoor hiding spots: Spiders can enter your home from the outside. Move piles of leaves, grass clippings, vegetation, compost or woodpiles away from the exterior of your house. Trim bushes, trees and shrubs so that they are several feet away from the siding of your home. By reducing outdoor hiding spots, you can prevent spiders from finding their way indoors.

  4. Use natural deterrents: There are several natural substances that spiders dislike and can be used as deterrents. Some options include:

    1. Vinegar: Fill a spray bottle with half white vinegar and half water. Spray this mixture in corners, cracks, and crevices to ward off spiders. Be careful to avoid varnished surfaces, as vinegar can cause damage.

    2. Essential oils: Spiders are repelled by certain essential oils, such as peppermint, tea tree, and lavender. Dilute a few drops of these oils in water and spray the mixture in areas where spiders are likely to be present.

  5. Eliminate other pests: Spiders are attracted to places with abundant insect prey. Take measures to control other pests in your home, such as ants, roaches and flies. Keep food stored in tightly sealed containers and address any other insect problems you may have. By reducing the food source for spiders, you can discourage their presence.

  6. Consider professional help: If you have a severe spider infestation or are unsure how to effectively prevent spiders, it may be beneficial to consult with a professional pest control service. They can provide expert advice and assistance in addressing the issue.

It's important to note that the presence of a few spiders in your home is normal and not necessarily indicative of an infestation. However, if you observe multiple signs mentioned above or have concerns about a potential infestation, it may be wise to seek professional pest control assistance to assess and address the situation. Learn more about spider control here.


Recent Posts

See All


bottom of page