Serving Oshawa and Durham Region

Pest Control Oshawa: Licensed, 90-Day Warranty

Licensed pest control for Oshawa homes, rentals and businesses: mice, bed bugs, cockroaches, ants, wasps, spiders, mosquitoes and ticks, backed by a 90-day warranty.

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What Oshawa and Durham Region say, pest by pest

AstraHive Pest Control provides licensed pest control in Oshawa for houses, rentals and businesses. The City of Oshawa and the Durham Region Health Department publish specific guidance on rodents, bed bugs, mosquitoes and ticks. This page shows what it says and which of our services fits each problem.

PestWhat the local sources sayOur service page
Mice and ratsConstruction and the changing seasons push rodents indoors. Mice need only a six millimetre gap. Owners must keep properties free of pests under by-law section 5.12.1.Mice exterminator Oshawa
Bed bugsDurham says tenants tell the landlord, tenants are owed 24 hours' written notice, landlords maintain the unit and only licensed companies should be used.Bed bug exterminator Oshawa
CockroachesDurham inspects food premises, lists pest control as an inspected item and publishes results through Check&GO! Durham.Cockroach exterminator Oshawa
MosquitoesDurham reported 21 human West Nile cases and 26 positive mosquito batches in 2025, and an Oshawa trap batch tested positive on July 24, 2026.Mosquito control Oshawa
TicksDurham says blacklegged tick populations are now established throughout the region and found in or near wooded areas, leaf litter, bushes and tall grass.Flea and tick control Oshawa
Ants, spiders, silverfish, waspsNo Oshawa-specific counts are published. Health Canada's guidance and Oshawa's climate normals shape the timing.Ants · Spiders · Silverfish · Wasps

Sources: City of Oshawa, Region of Durham, Health Canada.

Durham Region's 2026 calendar for mosquitoes and ticks

WhenWhat Durham Region does or reportsWhat it means for an Oshawa property
April 15, 2026Announced the 2026 West Nile surveillance program.Time to clear gutters and plan for standing water.
May 11 to June 8Program begins, with larval surveillance, larvicide in catch basins and surface water, and adult trapping.Public catch basins are covered. Private ones can be requested at durham.ca/BYCBlarvicide.
June to SeptemberTraps are set across the region every week and mosquitoes are tested.The window when a private yard is the gap in the program.
July 24An Oshawa trap batch tested positive for West Nile virus, the second in Durham that season.Confirms virus activity inside the city.
Fall and springTick-borne disease is rising as tick populations are established throughout the region.Wooded edges and tall grass are where ticks wait.

Sources: Region of Durham news releases and Tick-Borne Diseases page.

The nearest full weather record to Oshawa, the Oshawa WPCP station about 4.3 km away, averages -4.8 °C in January and 20.6 °C in July.

JanFebMarAprMayJunJulAugSepOctNovDec
Mean temperature (°C)-4.8-3.60.46.612.317.620.620.015.99.54.2-1.2
Total precipitation (mm)665754737974737794708571

Environment and Climate Change Canada climate normals, 1981 to 2010, Oshawa WPCP station (4.3 km from Oshawa). A station is the nearest one with a full set of normals, not a reading from your street.

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How AstraHive Pest Control gets rid of pests in Oshawa

Every job starts with an inspection. Products are Health Canada approved and applied according to the product label, and our technicians are licensed by the Ontario Ministry of the Environment, Conservation and Parks (MECP). Treatments carry a 90-day warranty, and wasp nest work carries a 30-day warranty.

PestWhat we do
Mice and ratsExterior sealing with steel wool or copper mesh locked in with sealant or foam. Weep holes and vents are covered with breathable mesh only, never sealant, foam or mortar. Interior trapping, and tamper-resistant bait stations where needed. Follow-up visit.
Bed bugsInspection, a preparation list for you, our standard chemical treatment or Aprehend, our premium biological treatment, and a follow-up 4 to 6 weeks later.
CockroachesA four-way interior process: residual spray along baseboards and under sinks and appliances, an ULV flush, gel bait that spreads through the colony, and dust in cracks and voids. Follow-up in 4 to 6 weeks.
AntsGranular bait or bait stations to kill the colony, plus interior treatment and an exterior perimeter barrier of about 90 days. Pharaoh ants get gel bait only.
Wasps and hornetsNest treated at dusk with an approved product at the full nest, then removed when safe. Nests above the second floor cannot be serviced.
Spiders and silverfishExterior perimeter barrier, interior treatment only where the inspection shows it is needed, monitors left in place and a follow-up.
MosquitoesBreeding zones found, larvicide on standing water that cannot be drained, residual treatment on foliage and shaded resting areas, monthly program May to September.
Fleas and ticksAffected rooms treated, exterior perimeter ULV fogging for ticks, and a follow-up in 4 to 6 weeks. Pets must be treated by your vet at the same time.

Frequently asked questions: pest control in Oshawa

Who is responsible for pests in an Oshawa rental?

Oshawa's Property Standards By-law 1-2002 requires every property to be kept free of pest infestation. Durham Region's tenant guidance says tenants tell the landlord or property manager, the landlord maintains the unit, and only licensed pest control companies should be used.

Where do I report rats in Oshawa?

Contact Service Oshawa. If the source is known the City creates a Property Standards By-law complaint, and if not the information is used to try to find the source.

Did mosquitoes test positive for West Nile virus in Oshawa?

Yes. Durham Region reported on July 24, 2026 that a batch of adult mosquitoes collected in Oshawa tested positive. Durham reported 21 human cases and 26 positive batches for 2025.

Are ticks established in Durham Region?

Durham Region says tick populations are now established throughout the region. Blacklegged ticks are usually found in or near wooded areas, in leaf litter, or on bushes and tall grass.

Do you serve neighbourhoods around Oshawa?

Yes. We serve Oshawa and nearby areas including Whitby, Courtice, Bowmanville and Ajax. Pages for each are linked below.

Areas we serve near Oshawa

We serve Oshawa and the communities around it. These pages go deeper on each area.

Sources

  1. Region of Durham: Health Department begins 2026 West Nile virus surveillance program . 2025 cases, program dates, private catch basins
  2. Region of Durham: Mosquitoes test positive in Oshawa for West Nile virus (July 24, 2026) . Oshawa positive batch
  3. Region of Durham: Tick-Borne Diseases . tick habitat, established populations, prevention
  4. City of Oshawa: Property Standards By-law 1-2002 . sections 4.5.2, 5.5.4 and 5.12.1
  5. City of Oshawa: Rodents . signs, entry sizes, prevention, reporting
  6. Region of Durham: Tenant rights in Ontario regarding bed bugs . landlord and tenant roles, notice, licensed companies
  7. Region of Durham: Food Safety . pest control as an inspected item
  8. Environment and Climate Change Canada: Canadian Climate Normals 1981-2010 . monthly temperature, precipitation, frost days and degree-days

Pest Control Guides for Oshawa Homeowners

Plain-language, sourced guides on the pests homeowners in and around Oshawa ask about most: how to identify them, why they keep coming back, and what actually works.

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