SOS Extermination 514 501-2076
★★★★★4.9 / 5· 218 Google reviews

Spider Exterminator in Montreal

Spiders keep coming back into your house, condo, basement, garage, business or building in Montreal? SOS Extermination offers spider exterminator services in Montreal to reduce their presence, treat activity areas and limit their return.

As featured in

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Our approach

Fast, certified and guaranteed spider control

Seeing a spider once in a while is normal. However, when webs keep coming back, spiders are numerous or they always appear in the same spots, a professional treatment can help reduce their presence.

SOS Extermination serves Montreal with a targeted approach:

01
Inspection of activity areas

basements, garages, windows, doors, wall corners, decks, foundations, light fixtures and exterior walls.

02
Identification of contributing factors

humidity, cracks, damaged window screens, insects present, clutter and rarely disturbed areas.

03
Targeted spider treatment

application adapted to the affected areas and the level of activity observed.

04
Preventive exterior treatment

treatment around windows, doors, foundations, exterior walls, decks and areas where spiders often return.

05
Prevention recommendations

advice to reduce humidity, entry points, hiding spots and the insects that attract spiders.

06
Follow-up according to warranty conditions

to ensure better control and limit the risk of recurrence.

The goal is simple: reduce spider activity, treat at-risk areas and prevent their return.

Signs of activity

What are the signs of a spider problem?

Spiders generally don't cause major material damage, but their repeated presence can become bothersome. In a home, a business or a rental building, frequent activity can also affect comfort and the perception of cleanliness.

Webs that come back quickly

Webs in wall corners, ceilings, windows, basements, garages, balconies or decks can indicate regular activity.

If webs reappear shortly after cleaning, spiders are likely finding favourable conditions in the environment.

Spiders seen over and over

Seeing spiders often in the same rooms can point to a problem with entry points, humidity, clutter or the presence of other insects.

The most common areas are basements, garages, mechanical rooms, closets, storage spaces, windows and entrances.

Activity around doors, windows and foundations

Spiders can get in through cracks, door frames, poorly sealed windows, damaged window screens, openings around the foundations, ducts or ventilation grilles.

An exterior treatment can be useful when activity keeps coming back mainly around the building.

Are spiders dangerous?

Most spiders found in Quebec homes are not dangerous for the majority of occupants. However, their presence can cause real discomfort when they are numerous, visible or recurring.

Some people can also react more strongly to a bite or have a marked fear of spiders. In a business, a daycare, a rental building or a workplace, their presence can also affect the experience of clients, residents or employees.

The goal of a professional treatment is not only to eliminate the visible spiders. The areas where they keep coming back must also be treated, and the conditions that encourage their presence corrected.

Where do spiders hide?

Spiders often look for quiet, dark, humid or rarely disturbed places. They can also settle near areas where insects are present.

Basements, garages and storage spaces

Basements, garages, mechanical rooms, closets, crawl spaces and rarely used rooms are often attractive to spiders, especially when there is humidity or clutter.

Windows, doors, ceilings and wall corners

Window frames, doors, wall corners, ceilings, light fixtures, window screens and cracks can accumulate webs and serve as travel zones.

Decks, foundations, hedges and exterior walls

Outdoors, spiders are often found near foundations, hedges, balconies, decks, exterior walls, light fixtures, electrical boxes and humid areas around the building.

What attracts spiders to your home?

Spiders are often attracted indirectly by the conditions that encourage them to settle in and by the presence of other insects. By correcting these factors, it is possible to reduce their activity.

Spiders are encouraged by:

  • insects present in the environment;
  • humidity;
  • poorly ventilated basements and garages;
  • clutter;
  • rarely cleaned corners;
  • cracks and openings;
  • damaged window screens;
  • outdoor lighting that attracts insects;
  • dense vegetation near the building;
  • wood, objects or debris near the foundations;
  • dark or rarely disturbed areas.

To reduce the risks, clean up webs, reduce humidity, seal openings, repair window screens, keep objects away from the foundations and limit the insects that attract spiders.

When should you call a professional spider exterminator?

It is best to call an exterminator when spiders keep coming back despite cleaning or when their presence becomes uncomfortable in your living spaces.

Webs keep reappearing in the same spots

If webs come back in the same corners, windows, ceilings, garages or basements, there may be recurring activity in those areas.

Spiders are numerous indoors

A frequent presence in bedrooms, living rooms, bathrooms, basements, offices or businesses can justify a targeted treatment.

The problem comes back every season

Spiders can be more visible in spring, summer and fall, especially when insects are more present or when they are looking for sheltered spots. A preventive treatment can help reduce their return around the building.

Why us

Why choose SOS Extermination as your spider exterminator?

Choosing the right spider exterminator in Montreal is important to get a lasting result. Removing the visible webs is not always enough if spiders still find humidity, insects, cracks or hiding areas around the building.

Tailored solutions

every situation is different. SOS Extermination adapts the treatment to the affected areas, the level of activity and the conditions observed.

Safe and targeted method

our treatments target the areas where spiders travel, hide or keep coming back.

Preventive exterior treatment

when needed, the treatment can target the foundations, window frames, doors, decks, exterior walls, light fixtures and travel zones.

Certified and experienced technicians

our exterminators work in houses, condos, basements, garages, businesses, rental buildings and residential buildings in Montreal.

Transparent pricing

ask for a free quote before the treatment, with no bad surprises.

Written warranty

warranty conditions are indicated on the invoice according to the treatment performed and the situation observed.

Our method

Our method to reduce the presence of spiders

01/

A proper spider treatment has to start with understanding why they keep coming back. Spiders generally look for quiet places, hiding spots, humidity and insects to feed on.

02/

Our exterminators start by inspecting the most affected areas: basements, garages, window frames, doors, ceilings, decks, foundations, exterior walls, light fixtures, cracks and rarely used spaces.

03/

We then identify the factors that encourage their presence: humidity, damaged window screens, cracks, outdoor lighting that attracts insects, dense vegetation, wood near the building or cluttered areas.

04/

The treatment is then adapted to the situation. It can target the affected interior areas, the exterior perimeter of the building or the entry points, depending on the activity observed.

05/

After the treatment, SOS Extermination provides recommendations to limit recurrences: reduce humidity, clean up webs, seal openings, repair window screens and limit the insects that attract spiders.

SOS Extermination technician performing an exterior treatment Thermal camera
Transparent pricing

Cost of a Spider Exterminator in Montreal

The price of a spider treatment in Montreal depends on the situation. A preventive exterior treatment around a house doesn’t always require the same work as a recurring problem in a basement, garage, business or rental building.

Need a price for a spider treatment in Montreal? Get a free quote.

The main factors that influence the price are:

  • the type of building;
  • the affected areas;
  • the level of activity;
  • the surface area to treat;
  • interior or exterior treatment;
  • access to foundations, windows, decks and exterior walls;
  • the presence of other insects;
  • the need for prevention or follow-up;
  • the residential, commercial or rental context.

SOS Extermination offers a free quote to give you a clear price before the treatment. The goal is to recommend an effective, safe treatment adapted to your building.

Request your free quote for spider control

Don’t let spiders keep coming back in your house, garage, basement, business or building in Montreal. SOS Extermination steps in with a professional method, an adapted treatment and concrete recommendations to reduce recurrences.

Call now at 514-501-2076 or request a free quote online.

Free Quote 514 501-2076
FAQ

Frequently asked questions about spider extermination in Montreal

How much does a spider exterminator cost in Montreal?

The cost depends on the type of building, the affected areas, the level of activity, the surface area to treat and the need for prevention. SOS Extermination offers a free quote to give you a clear price before the treatment.

Are spiders in a house dangerous?

Most spiders found in Quebec homes are not dangerous for the majority of occupants. However, their presence can become bothersome when they are numerous, visible or recurring.

Why do I have so many spiders in my home?

Spiders are often present when there is humidity, insects, cracks, damaged window screens, clutter or rarely disturbed areas like basements, garages and storage spaces.

Is an exterior spider treatment useful?

Yes, in many cases. An exterior treatment can help reduce activity around windows, doors, foundations, decks, light fixtures and exterior walls, especially if spiders come back every season.

How can I prevent spiders from coming back?

Reduce humidity, remove webs, seal cracks, repair window screens, limit outdoor lighting that attracts insects and keep storage areas less cluttered.

Is the spider treatment guaranteed?

Warranty conditions are indicated on the invoice according to the service performed and the situation observed. If activity resumes within the warranty conditions, the team can perform a follow-up.
Google Reviews

What our clients say about us

G EXCELLENT★★★★★218+ five-star Google reviews
★★★★★

Je gère plusieurs immeubles et j'ai trouvé SOS Extermination via leur calculateur de prix en ligne. Super pratique. J'avais une grosse urgence de fourmis charpentières dans un bloc sur le Plateau-Mont-Royal. Je les ai appelés et en même pas 24h, Oussama était sur place avec sa caméra thermique. C'était impressionnant de voir tous les nids satellites cachés dans les murs ! Bonne job les gars, merci

MHMariam HajajVerified Google review
★★★★★

On a eu une grosse invasion de fourmis charpentières dans mon triplex à Rosemont dernièrement. Il y en avait vraiment partout, même des grosses avec des ailes qui volaient ! J'ai appelé l'équipe de SOS Extermination et honnêtement, ils ont réglé le problème comme par magie. Il n'y a plus aucune trace. Un super bon service, je les recommande sans hésiter.

GAGabrielle AllaireVerified Google review
★★★★★

My neighbour recommended Sos-extermination for our carpenter ant problem here in the West Island. Honestly I'm so glad I listened to her! We were freaking out but they passed by super fast to do the treatment. Since then there hasnt been a single trace of them, they completly disappeared.

JCJCVerified Google review
★★★★★

Excellent service le propriétaire et son équipe travaille avec tant de professionnalisme et de bienveillance. On voit qu'il savent et qu'ils sont des experts dans le domaine. Les prix sont abordables, ils peuvent accomoder les payments (plan de payment). Ils mon offert une garantie de plus puisque mon cas étais un peu complexe…

UPUnknown PersonneVerified Google review
★★★★★

Très bon traitement de souris, c'est du très bon travail. Merci.

HGHamza GormiVerified Google review
★★★★★

Je gère plusieurs immeubles et j'ai trouvé SOS Extermination via leur calculateur de prix en ligne. Super pratique. J'avais une grosse urgence de fourmis charpentières dans un bloc sur le Plateau-Mont-Royal. Je les ai appelés et en même pas 24h, Oussama était sur place avec sa caméra thermique. C'était impressionnant de voir tous les nids satellites cachés dans les murs ! Bonne job les gars, merci

MHMariam HajajVerified Google review
★★★★★

On a eu une grosse invasion de fourmis charpentières dans mon triplex à Rosemont dernièrement. Il y en avait vraiment partout, même des grosses avec des ailes qui volaient ! J'ai appelé l'équipe de SOS Extermination et honnêtement, ils ont réglé le problème comme par magie. Il n'y a plus aucune trace. Un super bon service, je les recommande sans hésiter.

GAGabrielle AllaireVerified Google review
★★★★★

My neighbour recommended Sos-extermination for our carpenter ant problem here in the West Island. Honestly I'm so glad I listened to her! We were freaking out but they passed by super fast to do the treatment. Since then there hasnt been a single trace of them, they completly disappeared.

JCJCVerified Google review
★★★★★

Excellent service le propriétaire et son équipe travaille avec tant de professionnalisme et de bienveillance. On voit qu'il savent et qu'ils sont des experts dans le domaine. Les prix sont abordables, ils peuvent accomoder les payments (plan de payment). Ils mon offert une garantie de plus puisque mon cas étais un peu complexe…

UPUnknown PersonneVerified Google review
★★★★★

Très bon traitement de souris, c'est du très bon travail. Merci.

HGHamza GormiVerified Google review
★★★★★

Après avoir essayé d'autres compagnies sans succès pour des fourmis charpentières dans mon triplex à Ahuntsic, j'ai trouvé SOS. Déjà, leur calculateur de prix en ligne est super transparent ! Oussama et Yannick sont venus et j'ai capoté : leur caméra thermique voit directement dans les murs ! Problème réglé en quelques jours. J'ai attendu la fin de ma garantie d'un an pour faire cet avis…

VSVitélina Saint-PhardVerified Google review
★★★★★

Le meilleur service de gestion parasitaire dans Hochelaga Est et le reste de Montréal. En tant que gestionnaire, j'apprécie leur transparence : le calculateur de prix virtuel donne un devis fixe en 60 secondes. Pas de niaisage. Pour les fourmis charpentières et les rats, ils utilisent la caméra thermique (incluse partout) pour trouver l'humidité et les nids cachés…

KOKaotar OVerified Google review
★★★★★

Les fourmis charpentieres de Hochelaga a Montréal sont finalement game over je recommande sans hésiter !!!

JSJojo ShaolyneVerified Google review
★★★★★

Really satisfied with the result. They are expert in their field and you'll be impressed by the result. Highly recommended!

HEHadi EmamiVerified Google review
★★★★★

Very good team

MBMR BVerified Google review
★★★★★

Après avoir essayé d'autres compagnies sans succès pour des fourmis charpentières dans mon triplex à Ahuntsic, j'ai trouvé SOS. Déjà, leur calculateur de prix en ligne est super transparent ! Oussama et Yannick sont venus et j'ai capoté : leur caméra thermique voit directement dans les murs ! Problème réglé en quelques jours. J'ai attendu la fin de ma garantie d'un an pour faire cet avis…

VSVitélina Saint-PhardVerified Google review
★★★★★

Le meilleur service de gestion parasitaire dans Hochelaga Est et le reste de Montréal. En tant que gestionnaire, j'apprécie leur transparence : le calculateur de prix virtuel donne un devis fixe en 60 secondes. Pas de niaisage. Pour les fourmis charpentières et les rats, ils utilisent la caméra thermique (incluse partout) pour trouver l'humidité et les nids cachés…

KOKaotar OVerified Google review
★★★★★

Les fourmis charpentieres de Hochelaga a Montréal sont finalement game over je recommande sans hésiter !!!

JSJojo ShaolyneVerified Google review
★★★★★

Really satisfied with the result. They are expert in their field and you'll be impressed by the result. Highly recommended!

HEHadi EmamiVerified Google review
★★★★★

Very good team

MBMR BVerified Google review