Mouse extermination in Montreal – Professional and guaranteed service

Mouse problems in Montreal: take action before the infestation

Mice are among the most common pests in homes and businesses in Montreal.
They sneak through cracks, attics, or pipes to find warmth and food, often in the fall or winter.

Signs of an infestation:

  • Scratching noises in the walls or ceiling

  • Droppings in closets or the kitchen

  • Persistent odor in certain rooms

  • Damage to electrical wires and insulating materials

Ignoring these signs can lead to a severe infestation, causing health risks (salmonellosis, hantavirus) and costly damage.

Our services mouse extermination in Montreal

Complete inspection:

Our certified technicians thoroughly inspect high-risk areas—walls, basements, attics, and closets—to identify entry points and the source of the infestation.

Safe treatment

We apply effective and sustainable treatments that are approved by Health Canada and comply with Quebec's Ministry of the Environment.

Clogging and prevention

After removal, we seal all possible openings using galvanized wire mesh and high-density foam to prevent reinfestation.

Monitoring and warranty

A follow-up inspection is included to verify the effectiveness of the treatment and ensure long-lasting protection against mice returning.

Security and compliance environmental

Extermi Pro Inc. offers safe and environmentally friendly treatments:

  • Products approved by Health Canada and the Ministère de l'Environnement du Québec

  • Safe for families and pets

  • Use of professional equipment and environmentally friendly bait management

  • No banned products, no compromises on safety

Our priority: Protect your home without harming your health or the planet.

Why choose us

Why choose Extermi Pro ?

By choosing Extermi Pro, you benefit from a local, fast, and guaranteed service, directed by certified technicians and equipped with professional equipment.

Advantages to list:

  • 🚐 Rapid response 24/7 in Montreal and Laval
  • 🧑‍🔧 Certified and highly trained technicians, experienced in urban rodent control
  • 🌿 Safe methods (locked stations, discreet installation)
  • 🛠️ Clogging sustainable entry points
  • 🧾 Detailed report + maintenance recommendations
  • 🛡️ Warranty written (up to 6 months)

 

Our warranty and follow-up after treatment

Every mouse infestation is unique.
That's why we offer a guarantee adjusted according to the severity and type of building :

  • Standard residential: guaranteed from 6 months 

  • High-risk or commercial buildings: extended warranty up to 2 years

Our technicians ensure regular monitoring with a second follow-up visit 15 to 30 days after treatment.
If activity is detected during the warranty period, a free intervention is performed at no additional cost.

A real guarantee, tailored to each situation and backed by professional follow-up service.

The most common rodents in Montreal

  • House mouse — small, agile, loves cooking and hollow walls.

  • Norway rat — larger, basements, sewers, outdoors near waste.

  • Field mouse — active in winter, often in the attic/storage room.

 

What what our customers say from us

Areas served

Our exterminators travel throughout the greater area of Montréal, Laval, Ahuntsic, Villeray, Rosemont, Outremont, Saint-Léonard, Plateau-Mont-Royal, North Shore and South Shore.
No matter what industry you're in, we guarantee a quick and professional response.

Others pests we treat

In addition to exterminating cockroaches, Extermi Pro offers comprehensive treatments for all types of infestations in Montreal, Laval, North Shore, and South Shore.
Our experts are trained and certified to effectively eradicate every type of pest while using environmentally friendly products approved by Health Canada.

Tip for prevent mice from returning

  • Seal cracks and openings around pipes, baseboards, and foundations to prevent mice from entering.
  • Install brushes under doors and check the window seals, which are the most common entry points.
  • Store food in airtight containers. to eliminate any source of food attraction.
  • Clean up crumbs and grease under appliances and behind cabinets.
  • Always close trash cans inside and outside, and avoid sticking them against walls.
  • Regularly inspect the attic and basement., common breeding grounds for rodents.
  • Vacuum and disinfect all corners where the mice have been to remove their pheromones and droppings.
  • Keep shrubs and wood away from the building., which often serve as a passageway to the interior.
  • Schedule an annual pest control inspection to prevent any further infestation.

Fair frequently asked questions

The duration varies depending on the extent of the infestation, the type of building, and the accessibility of hidden areas. In general, the first reductions in activity are visible within 3 to 7 days, but complete eradication may take 1 to 3 weeks. At Extermi Pro, a follow-up is provided after 10 to 14 days with adjustments as needed.

No, they are approved by Health Canada.

Yes. We use locked bait stations, products approved by Health Canada and methods that comply with residential pest control standards. Areas where children and pets are present are protected, and your home remains ready for occupancy immediately after the work is completed.

In most cases, no. The treatment is designed to be carried out without the occupants having to leave. However, if the infestation is very severe or if sealing work is required (attic, crawl space), specific instructions will be provided during the initial inspection.

  • Black, rice-grain-shaped droppings, often near walls or cupboards

  • Scratching or moving noises at night in the walls/ceilings

  • Damage caused by gnawing: cables, food packaging, insulation

  • Grease marks or signs of passage near baseboards or ducts
    If you notice one or more of these signs in Montreal or the surrounding area, a quick inspection is recommended.

Prevention is essential. Here is some advice from our technicians:

  • Seal all cracks and holes around pipes and baseboards.

  • Install brushes under exterior doors

  • Store food in airtight containers and clean up crumbs.

  • Close and move trash cans away from walls

  • Perform a annual preventive inspection, even without visible signs
    These practices prolong eradication and greatly reduce the risk of recurrence.

Contact Extermi Pro as of today

Have you spotted cockroaches in your home? Don't wait for the colony to spread.
Contact our team now for fast and guaranteed service.

📍 8350 Durocher St. #6, Montreal, Quebec H3N 2Z2
📞 (438) 835-8401
✉️ extermipro@gmail.com