Centipede Control in Toronto & GTA
Centipedes in GTA homes are a basement problem linked to excess moisture and other pest activity. They are predators that eat spiders, silverfish, and cockroaches. Seeing them regularly means your home has both a centipede problem and a prey insect problem. Fix both.
Licensed centipede control professionals across the GTA serve Scarborough, Mississauga, Etobicoke, and nearby areas. PestRecord connects you with verified local companies — compare quotes from pros who address both the centipedes and the moisture or insect issues causing them.
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Typical Cost Range in the GTA
$150–$500
Final cost depends on severity, property size, and treatment method.
House centipedes in GTA homes are the long, fast-moving, many-legged insects that bolt across basement floors at 2 AM when you get up for water. They are not dangerous — their bite is equivalent to a mild bee sting and they actively avoid humans — but they are alarming to find in your home and their presence indicates two problems that need fixing.
First: excess moisture. House centipedes need humidity above 75% to survive. GTA basements with poor ventilation, leaking pipes, or condensation on cold walls frequently exceed this threshold. Second: other pest activity. Centipedes are predators. They eat spiders, silverfish, cockroaches, and small ants. If you have centipedes, you have other insects in the structure, which means treating only the centipedes without addressing their food source is a temporary fix.
The fix is threefold: eliminate the prey insects, reduce the moisture, and seal entry points so centipedes cannot re-enter from the exterior.
How It Works
What to expect when you work with licensed centipede control professionals.
Inspection
The technician identifies the prey insect population sustaining the centipedes: spiders, silverfish, cockroaches, or small ants. Moisture levels are measured throughout the basement and bathroom. Entry points along the foundation wall and around utility penetrations are mapped.
Treatment
The prey insect population is treated first — killing the food source causes centipedes to leave. Targeted insecticide is applied along baseboards, in wall voids, and at entry points. Crack sealing along the foundation perimeter prevents centipedes from re-entering from the exterior landscaping.
Prevention
Basement humidity is reduced through dehumidification and ventilation fixes. Entry points around windows, doors, and utility penetrations are sealed. A quarterly pest prevention program that controls spiders and other insects naturally keeps centipede populations low.
Signs You May Need Centipede Control
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Fast-moving, multi-legged centipedes visible on basement floors, bathroom tiles, or basement walls at night
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Centipedes concentrated in specific rooms: bathrooms, laundry rooms, or basement rec rooms
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Other pest activity in the same areas — centipedes follow their prey insects
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Damp, humid basement conditions with visible condensation on walls or windows
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Silverfish, spiders, or small insects visible in the same areas centipedes are found
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Musty basement smell — indicates excess moisture that both centipedes and their prey insects need
Why Hire a Professional
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Centipedes are a symptom of two problems: excess moisture and other pest activity. Treating only the centipedes without addressing the prey insect population and the humidity is a temporary fix.
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Basement humidity in GTA homes with older foundations frequently exceeds 75%, which is the threshold centipedes need to survive. A professional moisture assessment identifies exactly where the problem is coming from.
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GTA ravine-adjacent neighbourhoods in North York, Etobicoke, and Scarborough have higher centipede pressure from the natural environment. Properties in these areas need more robust exclusion and moisture control.
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Centipedes breed indoors in damp conditions. House centipedes complete their entire life cycle inside, meaning an established population grows on its own without outdoor reinfestation.
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A quarterly pest prevention program that controls spiders, silverfish, and other insects naturally reduces centipede populations by eliminating their food source.
Our Guarantee
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Prey insect identification and treatment included. Moisture assessment to identify humidity sources. Entry point sealing and crack treatment. Follow-up visit if centipedes reappear.
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Prey insect identification and treatment included. Moisture assessment to identify humidity sources. Entry point sealing and crack treatment. Follow-up visit if centipedes reappear.
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Centipede Control Across the GTA
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