Wasp nest removal in Toronto typically costs $150 to $400 for a residential job, and most wasp and hornet nests come off in a single same-day visit: we knock the nest down and treat the spot so the colony cannot rebuild there. It starts with a free inspection that tells you exactly what you have, a calm paper wasp you could leave alone or a yellowjacket colony that will swarm the moment it is disturbed. The work is carried out by our service partner Insectica Pest Control. If someone in the house is allergic, or the nest is bigger than a softball and near a door, do not touch it. Call and stay back.
Wasp, hornet, or bee? How to tell before anyone gets stung
In Toronto you are almost always dealing with one of three stinging insects that people lump together, and the difference decides how dangerous the nest is and how it has to be handled. The quickest cut: if the insect is smooth and shiny it is a wasp or hornet, and if it is fuzzy it is a bee, which is a pollinator and usually a gentler problem. Among the smooth ones, here is how to read which is which from a safe distance.
- Yellowjacket. Compact and short-bodied, bright yellow and black, smooth and hairless. They nest in the ground, in old rodent burrows, in retaining walls, and inside wall voids and soffits, so often all you see is a steady stream coming and going from one hole. They turn very aggressive near food, garbage bins, and open drinks, and each one stings again and again. This is the classic late-summer picnic wasp, and the nest that puts people in the emergency room.
- Paper wasp. Slender and longer, with long legs that dangle noticeably in flight. It builds the open, umbrella-shaped nest that hangs under an eave, a soffit, a deck, or a porch roof, and you can see the honeycomb cells from below. Paper wasps are the least aggressive of the three and will mostly leave you alone unless you swat at the nest itself.
- Bald-faced hornet. Larger than a wasp, black and white rather than yellow, and the builder of the big grey enclosed "football" nest you see hanging in a tree or off a wall. The size is the tell: a mature nest can hold hundreds, and hornets are very defensive close to it.
- Bees, for contrast. A honeybee or bumblebee is fuzzy and rounded, nests as a cluster of insects or in a cavity rather than in grey paper, and is a pollinator that is often best left alone or saved alive. If your insect is fuzzy, read the bee removal page instead, because the right answer there is usually not extermination.
If the nest is a closed grey ball, or the insects are streaming out of a single hole in the ground, a wall, or the soffit, treat it as aggressive and keep everyone well back. Paper wasps under a rail are the one case where waiting is sometimes fine. Everything else is a call.
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Where wasp nests hide in Toronto homes
Half the job is finding the nest, because the treatment depends entirely on where it is. In Toronto's housing stock the nests turn up in the same handful of places.
- Ground and retaining-wall nests. Yellowjackets move into old rodent burrows, the space under a shed or deck, and the gaps in a stone or block retaining wall. You usually find these the wrong way, with a lawn mower or a foot, which is exactly when they swarm.
- Wall voids and soffits. Wasps slip through a gap around a pipe, a worn brick joint, or a corner of the soffit and build inside the cavity, so all you see is insects entering one spot near the roofline. A soffit colony can chew through the interior finish and end up inside a ceiling or an upstairs room, which is how wasps sometimes turn up indoors.
- Umbrella nests under eaves, decks, and porches. Paper wasps hang their open honeycomb nest under an eave, a deck rail, the underside of deck boards, a porch roof, or a pergola, anywhere dry and sheltered from the rain.
- Football nests in trees and on walls. Bald-faced hornets build the large grey enclosed nest in a tree, a tall hedge, or against the wall under an eave, often high up and out of easy reach.
Older Toronto homes are especially prone to it. Wood soffits, deep porch roofs, and the eaves on a century semi give paper wasps and yellowjackets endless sheltered ledges and gaps to build in, and backyard decks, sheds, and playsets add a dozen more. The harder a nest is to reach, buried in a soffit or three storeys up, the more the job takes, which is the single biggest thing that moves the price.
Why removing a wasp nest yourself is genuinely dangerous
A wasp nest is not the kind of chore you knock off with a can from the hardware store, and the reasons stack on top of one another.
First, wasps sting repeatedly. Unlike a honeybee, which dies after one sting, a single wasp or hornet can sting again and again, and a disturbed nest releases an alarm signal that calls the rest of the colony out to join in. Spray a store aerosol at a yellowjacket nest, miss the hole, and you get a cloud of angry insects and dozens of stings in seconds. Second, disturbing the nest is exactly what triggers the swarm, so the moment you knock, poke, or spray it, the whole colony defends at once. Third, most nests are up high or buried in the structure, which means you are on a ladder or leaning into a soffit when the swarm comes, and the fall does more damage than the stings. Fourth, the calendar works against you: by August and September the colony is at its largest and most defensive, right when people are still out in the yard.
The store-spray problem deserves its own line. A hardware-store aerosol will chase the wasps out of a wall or soffit for an evening and rarely kills the nest inside the void, so you are left with an agitated, partial colony that rebuilds and comes back angrier. The products that actually clear a concealed nest are registered by Health Canada's Pest Management Regulatory Agency and are meant to be applied to the label by a trained technician.
If anyone at the property is allergic to stings, do not go near an active nest, and do not let anyone else knock it down. A swarm can deliver enough venom to trigger anaphylaxis, even in a person who has never reacted before. If someone is stung and shows swelling of the face or throat, trouble breathing, dizziness, or hives spreading across the body, call 911. For a large nest, a ground nest, a nest inside a wall, a nest near a doorway, or anyone with a sting allergy in the home, skip the do-it-yourself entirely and call.
How we remove a Toronto wasp nest
- Locate the nest and the entry. Insectica's technician confirms whether it is a yellowjacket, a paper wasp, or a hornet, and finds exactly where the nest sits and where the insects are getting in. That decides the approach and the price before anything is treated.
- Treat to knock down the colony. A Health Canada PMRA-registered product goes straight into an accessible nest, applied to the label. For a soffit, wall, or ground nest, the entry point is treated so returning wasps carry the product into the colony and it dies from the inside.
- Remove the accessible nest. Once the colony is dead, an accessible nest comes down. A nest buried in a void is left to die out rather than torn open.
- Treat the void so they do not rebuild. The cavity and entry are treated and, where it makes sense, sealed, because an open soffit or wall gap is an invitation to next year's queen to build in the same spot.
- Stand behind it. The work carries a two-month guarantee. If wasp activity returns at the same nest within that window, Insectica comes back once at no charge.
Most standard nests are same-day and done in a single visit.
How much does wasp nest removal cost in Toronto?
Wasp nest removal in Toronto typically costs $150 to $400 for a residential job, and hornet nests fall in the same range. Two things decide where you land: how high or buried the nest is, and how big the colony has grown. An accessible nest you can point at, hanging under an eave or a deck, sits at the lower end. A yellowjacket colony sealed inside a wall or soffit that has to be reached and treated in the cavity sits higher, and a nest that cannot wait for morning adds an after-hours call. We will not print a fake firm number, because the honest price depends on what you have and where it is. The firm number comes after the free inspection, once a technician has actually seen the nest, and every service and how it is priced is laid out on the pest control cost page.
Timing is the other half of the cost, and it runs in your favour if you move early. A wasp nest is smaller, lower-risk, and cheaper to deal with in June, when the queen and a few workers are just getting started. By August and September that same nest can hold thousands and is at its most defensive, which is both a harder job and a more dangerous one, so the calls spike exactly when the nests are worst. Wasps die off with the first hard frost, usually late October in Toronto, and they do not reuse an old nest the next year, so a high, empty-looking nest in November can often simply be left. Through the summer, though, an active nest near a door or a walkway is not a wait-and-see problem.
For a business, a rental building, or a strata with a nest on the structure, the documented, scheduled version of this work is covered under commercial pest control.
Signs it is time to call
- Wasps streaming in and out of one hole in the ground, a wall, or the soffit.
- A grey football-shaped or closed ball-shaped nest anywhere near the house.
- A nest within reach of a door, a walkway, a patio, or a kid's play area.
- More than a handful of wasps indoors, which can mean a nest inside a wall, a soffit, or the attic.
- Anyone in the home with a known sting allergy and any active nest on the property.
We would rather come out same-day for a nest that turns out to be small than get the call after someone has been stung a dozen times trying to knock it down themselves.
Common questions
Is it a wasp or a bee?
Wasps and hornets are smooth and shiny with a pinched waist; bees are fuzzy and rounded. Wasps build papery grey nests, an open umbrella under an eave or a closed ball in a tree or wall, while bees nest as a cluster of insects or in a cavity. If it is smooth-bodied and the nest is grey paper, it is a wasp. If it is fuzzy, it is a bee, which is usually a gentler and different job, covered on our bee removal page.
How much does wasp nest removal cost in Toronto?
A wasp or hornet nest typically runs $150 to $400 for a residential job. An accessible nest under an eave or deck is at the lower end; a colony sealed inside a wall or soffit that has to be reached costs more, and an after-hours call adds to it. The firm price comes after a free inspection, because a yellowjacket nest inside a wall is a different job from a paper wasp nest on a rail.
Can I remove a wasp nest myself?
For a small paper wasp nest out in the open, with no one allergic in the home, sometimes. For a ground nest, a nest hidden in a wall or soffit, a hornet nest, or any nest with an allergic person in the household, no. Wasps sting repeatedly, disturbing the nest triggers a swarm, most nests are up a ladder, and a store spray usually leaves an angry partial colony behind.
Do wasps come back after treatment?
Not the same colony. A treated nest is finished, and wasps do not reuse an old nest. What brings them back to the same spot is an open soffit or wall cavity that next year's queen finds just as sheltered, which is why treating and sealing the void matters. The two-month guarantee covers the treated nest.
What if the nest is inside a wall?
A wall-void or soffit nest is treated at the entry point so the returning wasps carry the product into the colony, rather than torn open, and it is left to die out before the gap is sealed. It takes more time than a nest hanging in the open, and it matters not to seal a live nest too early, because trapped wasps can chew through into a ceiling or a room. This is the case least suited to do-it-yourself.
When are wasps most aggressive?
In late summer, August and September, when the colony has grown to its largest and is defending the most workers and brood. That is when nests are biggest, stings are most likely, and yellowjackets swarm around food and bins. A nest is smaller and safer to deal with earlier in the season, which is the argument for calling in June rather than waiting.
Do you remove hornet nests?
Yes. Bald-faced hornet nests, the large grey enclosed footballs in trees and on walls, are removed the same way, by treating the colony first and taking the nest down once it is dead. Hornets are very defensive near the nest and it is often high up, so this is firmly a job to leave to a technician rather than attempt from a ladder.
How much does hornet nest removal cost?
The same as a wasp nest: typically $150 to $400 for a residential job in Toronto. A bald-faced hornet nest high in a tree or under a top-floor eave sits toward the upper end because of the height and the size of the colony, and a nest you can reach from the ground sits lower.
Can you remove a wasp nest the same day?
Yes. Most standard wasp and hornet nests are removed same-day in a single visit, starting with a free inspection. A nest that cannot wait for morning can be handled as an after-hours call, which adds to the price.
Reviewed October 2026.
For a nest that cannot wait, or anything with an allergy in the home, see emergency pest control. For a fuzzy, rounded insect and no grey paper nest, that is bee removal, a different and usually gentler job. How every service is priced is on the cost page.
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