Spider Control in Seattle

Are spiders in my home dangerous?

Most are not. Nearly all household spiders are of little concern to people. We do not list local venomous species because none is sourced here. If you are bitten and develop spreading redness, severe pain, fever or other worrying symptoms, seek medical care and, if possible, keep the spider for identification.

A bite from a spider is uncommon. Many skin problems blamed on spiders turn out to be infections or other insect bites. A doctor is the right person to decide.

For a spider you are worried about, a photo is the first step. Call and describe it, and the technician helps you decide whether a visit is needed.

Why do spiders collect in garages and window wells?

Because those places are undisturbed and full of prey. Garages hold stored boxes and offer gaps under doors, while window wells trap leaves and insects. Spiders settle where food and quiet meet, so clearing debris, reducing insects and sealing gaps all cut the numbers.

Garages in particular combine clutter, cardboard and gaps at the door, plus lights that draw moths. A garage with a tight door seal, plastic bins and a cleaned floor is a poor spider habitat.

Window wells collect wet leaves and soil. Cover them, clear them each fall and check them again after storms.

• Replace cardboard with sealed bins
• Fit a door sweep on the garage door
• Clear leaves from window wells
• Keep outdoor lights off when not needed

Do sprays work on spiders?

Sprays kill spiders that touch them, but spiders often avoid treated surfaces and new ones arrive. Removing webs, reducing insects and sealing gaps give longer results. A technician may use a targeted product on hiding places, but it is one tool among several and not a one-visit cure.

Because spiders feed on insects, killing the insects removes the reason for the web. A lighted porch with a web in every corner is a signal to change the light before changing the spray.

Be wary of any promise that spiders will never return. They can walk in from outside at any time.

When are spiders most noticeable?

There is no sourced Seattle calendar for spiders. Many people notice more webs and larger spiders in late summer and fall, when spiders mature and rain pushes insects and spiders toward buildings. Treat this as common experience, not a measured pattern, and check garages and crawl spaces whenever you see signs.

Wet weather can drive spiders indoors, along with the insects they eat. After a heavy rain, garages and basements often show more activity.

Spring cleaning of eaves and corners, before spiders build up, is easier than clearing a season of webs in autumn.