Rodents
House Mouse
The house mouse is the most common rodent in Montreal homes. It can squeeze through openings as small as a dime.
Danger
Size6 to 10 cm (body) + 7 to 10 cm (tail)
ColorGrey-brown
Lifespan1 to 2 years

How to identify
Small rodent with grey-brown fur and a lighter belly. Large ears and a long thin tail.
Typical habitat
Walls, attics, basements, pantries. Prefers warm spots near food sources.
Health risks
Mice contaminate food with their droppings and urine. They can transmit salmonellosis, hantavirus and other diseases. Their gnawing damages electrical wires and can cause fires.
Signs of an infestation
If you notice any of these signs, contact us quickly.
- Small black droppings (3 to 6 mm) along walls
- Scratching noises in walls at night
- Gnaw marks on food packaging
- Persistent musky odor
- Nests made of shredded materials
- Grease marks along baseboards
How to prevent
Simple measures to apply to limit infestation risk.
- Seal all openings larger than 6 mm
- Store food in airtight containers
- Keep kitchen and dining areas clean
- Eliminate standing water sources
- Store firewood away from the house
- Install weatherstripping under doors
House Mouse problem? We respond within 4 hours
Montreal, Laval, South Shore, North Shore. Written guarantee, certified technician, unmarked vehicle.

