In Johnson City and across the Tri-Cities, spiders typically move indoors for one reason: food. If your home has other insects (ants, flies, roaches, stink bugs), spiders follow. They prefer quiet, undisturbed areas like basements, crawlspaces, garages, attics, closets, and cluttered storage—then spread into living areas over time.

• Wolf Spiders: Large, fast ground spiders often seen in basements, garages, and on floors. They don’t rely on webs, so sightings can feel sudden and frequent.

• House Spiders: Common web builders found around corners, windows, basements, and ceiling edges. Webs often appear in the same spots repeatedly without proper prevention.

• Cellar Spiders: Usually found in basements and damp areas. They’re not typically dangerous, but they can build heavy webs and multiply in undisturbed spaces.

• Black Widows: More likely in garages, woodpiles, sheds, and outdoor storage. If you suspect a widow, professional service is strongly recommended for safety.

At Pest Detectives Pest Control, we don’t just knock down webs—we identify pressure areas, treat harborages, and reduce the insect food sources that keep spiders coming back.