Spiders are one of the most common pest complaints in BC homes, particularly in late summer and autumn when they enter in large numbers seeking warmth and mates. While most spider species found in BC homes are harmless, a sudden population increase is a sign of a larger pest problem — spiders follow their prey indoors.
Why Spiders Enter BC Homes
Spiders enter homes in search of prey — flies, moths, and other insects. A large spider population indoors indicates a significant prey insect population. Treating the underlying pest problem reduces spiders naturally.
How to Get Rid of Spiders
- Seal gaps around windows, doors, and pipe penetrations
- Remove clutter and reduce harbourage sites
- Use residual insecticide around the perimeter
- Treat the underlying prey insect infestation
How to Get Rid of Spiders: Recognizing an Infestation
Knowing how to get rid of spiders starts with recognizing the signs of a real infestation versus the occasional wanderer.
Multiple webs appearing in corners, closets, or window frames within a short time usually means the spider population is growing, not just passing through. Finding egg sacs, which look like small silk pouches tucked into undisturbed areas like garages, basements, or crawl spaces, is another clear signal that spiders are breeding indoors rather than simply entering from outside. Homeowners who notice several spiders a week, especially in areas with low foot traffic, should treat it as an early warning rather than a coincidence, since spider numbers indoors are almost always tied to an underlying insect food source.
How to Get Rid of Spiders Safely: DIY vs Professional Treatment
Many BC homeowners want to know how to get rid of spiders without hiring an exterminator, and light infestations can often be managed with sealing entry points, vacuuming webs and egg sacs regularly, and reducing clutter in basements and garages. However, when spiders keep returning despite these efforts, it usually means the underlying prey insects have not been addressed, which is where professional treatment becomes worthwhile.
For guidance on using pesticides safely around your family and pets during DIY treatment, the Health Canada pest control safety tips are a useful resource before applying any residual insecticide yourself. A licensed technician can also identify which spider species you are dealing with and whether it points to a bigger pest issue nearby.
How to Get Rid of Spiders for Good: Long-Term Prevention
Learning how to get rid of spiders permanently means shifting focus from killing the spiders you see to removing what attracts them in the first place. Keeping exterior lights off or switched to yellow bulbs reduces flying insects near entry points, while regularly clearing leaf litter, woodpiles, and dense vegetation away from the foundation limits outdoor harbourage close to your home.
Indoors, sealing baseboard gaps, weatherstripping doors, and repairing torn screens closes off the routes spiders and their prey use most often. Combined with routine deep cleaning to remove webs and egg sacs before they mature, these habits keep spider populations low year-round instead of only after an infestation is already visible.
How to Get Rid of Spiders in Basements and Garages
Basements and garages are the most common places homeowners ask how to get rid of spiders, since these areas offer dark, undisturbed corners and easy access to insect prey. Storage boxes, especially cardboard, should be moved off the floor and onto shelving, since spiders and the insects they hunt often nest underneath.
Running a dehumidifier helps too, as damp basements attract moisture-loving insects that spiders feed on. Checking behind stored furniture and inside rarely used bins every few months catches new webs and egg sacs early, before a small population turns into a larger infestation that spreads to the rest of the home.
Professional Spider Control
See our spider control Surrey BC page, our signs of a spider infestation guide, and our pest control BC page for all our services.
📞 Call (604) 551-6504 for same-day spider control across BC.