
Spider Control in Kennewick
ALSO SERVING PASCO, RICHLAND, AND OTHER TRI-CITIES COMMUNITIES
Walking through an invisible web or spotting a spider dart across the floor is never a welcome moment. Even though most spiders help control other pests, they don’t belong in your living room or bedroom. While they rarely pose a direct threat, having a team that can manage such unwelcome visitors can bring much-needed peace of mind!
At Proterra Pest Control, we provide safe and effective pest control solutions for homes and businesses throughout the Tri-Cities area, including Kennewick, Pasco, Richland, and surrounding communities.
Our clients choose us for numerous reasons, not least among them are:
For spider control in Kennewick, call our friendly team at (509) 284-8030.
24/365 Proterra Protection

Safe & Effective
We combine organic and premium products to deliver the ideal balance of safety and proven effectiveness.

Meticulously Thorough
Our detailed 27-point inspection ensures every corner is checked and treated with a plan tailored to your property.

Fast & Easy
We schedule service within 24 hours (excluding weekends) and make the entire process simple and stress-free.

Guaranteed Results
If pests return between visits, we’ll retreat your property at no extra cost—usually within 24 hours.
Identifying Common House Spiders
Understanding the types of spiders that show up indoors can help ease concerns and guide how you respond. Most species in the Tri-Cities area are harmless and tend to wander inside while hunting or seeking shelter. Recognizing a few of the most common encounters can make these encounters less alarming.
Some examples of spiders that are common in our area include:
Does Washington Have Any Dangerous Spiders?
While Washington is home to hundreds of spider species, very few pose any real threat to humans. In the Kennewick area, only one native species is considered medically significant: the black widow.
Recognizable by its shiny black body and red hourglass marking, the female black widow prefers dark, dry spaces like woodpiles, sheds, and crawl spaces. Bites are rare and typically occur only when the spider is pressed against the skin. Though serious, bites are rarely life-threatening with proper medical care.
Most spiders in the region are harmless and play a helpful role in controlling other pests. Knowing which ones to watch for can help reduce unnecessary worry and guide how you respond.

