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Common House Spiders in Lacey and How to Keep Them Out

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Spiders might not be the first thing you worry about in your home, but when they start showing up in every corner, it becomes a real pest problem. Lacey homeowners deal with their fair share of unwanted visitors, and spiders are some of the most persistent. They sneak in quietly, set up webs, and often point to larger pest infestations you might not see right away.

If you’ve noticed webs behind furniture or spiders darting across the floor, you’re not alone. Spiders are some of the most common pests in homes across Lacey, Tumwater, and even as far as Tacoma. While most are harmless, they can still be unsettling to live with, and they often point to other pest issues lurking nearby.

In this article, you’ll learn which spiders are most common in our area, how they’re getting in, and what you can do to keep them out for good. Whether you’re dealing with a one-time sighting or a recurring problem, an innovative treatment plan can help you protect your home year-round. An experienced pest control company can help eliminate the problem at its source and prevent it from recurring.

Key Takeaways

  • Spiders often signal other pest problems: If you’re seeing spiders, it’s likely your home also has other pests like flies, ants, or cockroaches, which serve as their food source.
  • Prevention starts with exclusion: Sealing entry points, reducing moisture, and decluttering are essential steps to keep spiders and other pests, such as termites, bed bugs, and wasps, out.
  • DIY only goes so far: Professional pest management, especially from a licensed pest control company like PCI, offers customized, eco-friendly solutions that address both spiders and broader pest infestations.
  • Regular, year-round pest control is essential in the Pacific Northwest: Seasonal shifts and a damp climate make homes in Lacey, Olympia, and surrounding areas prone to ongoing pest activity, requiring consistent protection.

Spiders you’re likely to find in Lacey homes.

Several species of house spiders thrive in the Pacific Northwest. The most common ones you’ll see indoors include:

Common house spiders

common house spider

These small spiders create messy webs in corners, closets, and windows. They’re not aggressive, but they multiply quickly in undisturbed spaces.

Giant house spiders

giant house spider

Known for their size and speed, these spiders prefer cool, dark areas, such as basements and garages. They can be intimidating, but are not dangerous.

Cellar spiders

cellar spider

Also known as daddy long legs, they often hang from ceilings or crawl space corners. Their thin legs and frequent web-building make them easy to identify.

Hobo spiders

hobo spider

Sometimes mistaken for brown recluse spiders, hobo spiders are a subject of debate regarding health risks. They tend to hide in the lower levels of homes and emerge at night.

Why are spiders coming inside?

Spiders often appear indoors for several reasons: to seek shelter, find food, and maintain warmth. Your home may be more attractive to them if you have other pests, such as flies, silverfish, or odorous house ants, around. These insects serve as a food source, so where there are bugs, there will eventually be spiders.

Excess moisture in crawl spaces or basements also creates an inviting environment. Homes with gaps around windows, doors, or siding make it easy for pests to enter. If you live in an older home in areas like Tumwater or Tacoma, sealing up entry points with proper exclusion work is a smart way to start.

Sometimes, sightings of spiders spike during seasonal changes. They’re trying to escape colder temperatures or start nesting. That’s why regular inspections and year-round pest control solutions are essential to stop future infestations before they start.

Signs of a spider infestation

One spider might not seem like a big deal, but it can signal a larger issue. Look for:

  • Cobwebs in corners, behind furniture, or near vents
  • Small white egg sacs stuck to surfaces
  • Frequent sightings of spiders in more than one area of the home
  • Signs of other pest activity, especially ants, flies, or roaches

If you’re seeing multiple signs, it might be time to reach out for professional support. An experienced technician can assess the situation and recommend a targeted treatment plan.

How to keep spiders and other pests out

Spiders may be the first pest you notice, but they’re rarely alone. Here’s how to prevent spider issues while cutting down on other pest activity, too:

Practice exclusion

Seal cracks around windows, doors, and the foundation. Install screens and door sweeps, and make sure crawl space vents are secure.

Clean regularly

Vacuum corners, baseboards, and storage areas often. Spiders love undisturbed spaces and cluttered basements.

Address food sources

If you’re seeing ants or fruit flies, spiders will follow. Tackle ant control and other infestations early to prevent attracting spiders. Carpenter ants, in particular, can be a major concern and are known to attract spider activity.

Maintain your yard

Trim plants and remove yard debris around the home. Vegetation touching the house creates easy bridges for critters to cross.

Yard clutter and overgrown vegetation can also attract other pests, such as wasps, so routine outdoor maintenance is essential.

When professional pest control makes the difference

DIY methods only go so far. If spiders keep showing up despite your efforts, or if you’re dealing with other pests like odorous house ants, termites, or fleas, it’s time to call in a professional. At PCI Pest Control, we offer custom pest control solutions designed for homes in Lacey, Tumwater, Tacoma, and surrounding areas.

Our WSDA-licensed exterminators offer targeted spider control treatments that deliver effective results. We also inspect for common pests and tailor a plan to fit your home’s needs. Whether you’re dealing with spiders, ants, or future infestations, we’ll help you stay pest-free with year-round protection.

Why Professional Pest Management Works

licensed pest control company can do more than eliminate spiders. With an integrated pest management approach, technicians target the root of infestations and apply treatments tailored to your home’s needs.

Our treatments utilize eco-friendly methods whenever possible to ensure the safety of your family and pets.

Final Thoughts

You don’t need to live with spiders, and you shouldn’t have to battle them alone. At PCI Pest Control, we create customized treatment plans tailored to your home, schedule, and specific pest concerns. Whether you’re dealing with spiders, ants, or other common pests, we offer practical solutions that deliver real results.

Our experienced team serves Lacey, Olympia, Tumwater, Tacoma, and the surrounding areas with year-round pest control services designed to prevent future infestations. From exclusion work to targeted treatments, we handle it all, without locking you into a contract.

Protect your home with a plan tailored to your specific pest control needs. Request your free quote today and let us help you reclaim your space.

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Written by Matt Purcell,

I was born and raised in Olympia, WA, which is why I value being a part of this community so much. My favorite part of PCI is the chance to laugh and engage with my employees, and how we work together to continuously strengthen the team. Outside of work I enjoy playing tennis, traveling, and riding motorcycles