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Mice are a problem that many homeowners encounter. There are warning signs such as noises, droppings and urine, but homeowners often don’t realize that there are mice in the house until it’s too late. Once infested, in-depth extermination and decontamination will be needed to solve the problem. That’s why it’s important to be proactive and act fast as soon as these signs appear.

In this article, the professional exterminators at Elite Pest Control explain how to recognize the signs of mice in the house.

How mice get in

Mice enter buildings for two main reasons: to shelter from the cold (particularly in winter) and to find food. They have a spectacular sense of smell and amazing agility. Light and small, they can get into walls through the narrowest openings and move around quickly and quietly, particularly at night. Here are some of the ways they get in:

  • Walking along surfaces just a few millimetres wide, such as electrical lines
  • Climbing any kind of vertical surface, as long as the material doesn’t scare them
  • Using pipes and ducts
  • Following electrical lines and drains to reach different levels of a building
  • Gnawing on materials to make holes and get in
  • Squeezing through openings as small as a quarter
  • Jumping up to half a metre high to get around obstacles

An ounce of prevention is worth a pound of cure, so it’s best to keep your house clean and block potential entry points for effective !


How to recognize the signs of mice in the house

Although mice are small and clever, they will leave signs of their presence. Here are a few common signs of a mouse infestation:


Mice in the house are quite noisy. Listen for the following noises coming from the walls in the upper parts of your house:

  • Scratching
  • Knocking
  • Squeaking
  • Vibrations

The noises will usually occur at night, so listen carefully!


Droppings are a common sign of a mouse infestation. Mouse droppings look like little black grains of rice. Check for them behind the stove and fridge, under the sink, in the cupboards, etc.

Seeing mice

If you see a mouse in your home, that doesn’t necessarily mean it lives there. Mice don’t have great vision, so it may have gotten lost and ended up there by accident. On the other hand, if it seems familiar with the layout of your house, it probably lives there.

For more information about the signs of a mouse infestation, check out this video by our expert Pascal (in French only).

Trust Elite Pest Control to recognize the signs of mice and prevent infestations

If you see any of these signs in your home but aren’t sure whether you have an infestation, don’t hesitate to contact Elite Pest Control.

Our exterminators offer free estimates. They can come to your home and determine whether there are mice, then work with you to come up with the best solution to the problem: mouse extermination, house sealing and caulking, etc.

Having mice in the house can cause a variety of problems, but our expert team will be happy to help you get rid of them once and for all.