Exterminator on Montreal's South Shore
From Longueuil to La Prairie, Brossard to Sainte-Julie — Blackline Pest Control covers the entire South Shore with certified pest elimination, a 100-day guarantee, and same-day emergency response.
Why the South Shore Has Diverse and Growing Pest Challenges
Montreal's South Shore encompasses a vast and diverse region — from the dense urban core of Longueuil to the rural-suburban fringe of Sainte-Julie and Beloeil. This geographic diversity means pest pressures vary significantly across the region, requiring local knowledge and tailored treatment approaches.
The South Shore's rapid population growth has driven extensive construction activity that continuously displaces wildlife from agricultural and forested areas into residential developments. Mice, rats, and carpenter ants are particularly problematic in newer developments bordering green spaces in communities like Brossard, La Prairie, and Candiac. The region's proximity to the St. Lawrence River and its tributaries creates humid microclimates that support large wasp and hornet populations throughout summer.
The South Shore's older urban core — particularly Vieux-Longueuil and Saint-Hubert — has aging housing stock with the structural vulnerabilities that rodents and cockroaches exploit. The region's active restaurant sector, concentrated along Taschereau Boulevard and in the Quartier DIX30, generates cockroach pressure that spreads into neighbouring residential buildings. Blackline Pest Control maintains South Shore-based technicians to ensure rapid response across the entire region.
Why Choose Blackline in South Shore?
- Locally BasedWe know South Shore — its housing types, pest pressures, and seasonal patterns.
- Fast Response2–4 hours for emergencies. Same-day for standard bookings.
- 100-Day GuaranteeIf pests return within 100 days, we re-treat at no charge.
- Eco-Friendly ProductsHealth Canada-approved, safe for children and pets.
- Licensed & InsuredFully certified pest control professionals in Quebec.
Pest Control Services We Offer in South Shore
Every service backed by our 100-day guarantee. Free inspection before any work begins.
Bed Bug Exterminator
Heat treatment & chemical protocols.
Learn MoreCockroach Control
Gel bait & residual spray treatments.
Learn MoreMouse & Rat Control
Full exclusion & bait station programs.
Learn MoreAnt Exterminator
Carpenter ant & pavement ant specialists.
Learn MoreWasp Nest Removal
Safe removal from any location.
Learn MoreSpider Treatment
Perimeter spray & interior treatments.
Learn MoreFast Response Times in South Shore
We cover the entire South Shore including Longueuil, Brossard, Saint-Lambert, Greenfield Park, LeMoyne, La Prairie, Candiac, Sainte-Catherine, Saint-Constant, Delson, Châteauguay, Sainte-Julie, and Varennes. Emergency response within 2–4 hours. Same-day standard bookings 7 days a week.
Sub-areas covered: Longueuil · Brossard · Saint-Lambert · Greenfield Park · La Prairie · Candiac · Sainte-Catherine · Saint-Constant · Châteauguay · Sainte-Julie · Varennes · Boucherville
Call Us Now
Available 24/7 for pest emergencies in South Shore
514-809-1999Free inspection · No obligation quote
What South Shore Residents Say
"We had mice in our La Prairie home every winter for three years. Previous exterminators would trap them but never found where they were getting in. Blackline did a full exclusion inspection, found the main entry point under our back steps, sealed it properly, and we've had zero mice for two winters now. Finally solved."
Pest Season Alert — Montreal Spring 2026
Here are the pests most active right now in Montreal and surrounding areas — and what's coming next.
Active Now — Spring
Coming Next — Summer
Free inspection · 100-day guarantee · Same-day service available
Pest Control FAQ for South Shore Residents
How much does pest control cost on the South Shore?
Pest control costs on the South Shore are comparable to Montreal. Cockroach treatment starts around $150–$350 for an apartment. Bed bug heat treatment ranges from $450–$950 depending on unit size. Rodent exclusion programs run $300–$650. Wasp nest removal starts at $150. We provide free inspections and transparent written quotes before any work begins.
How quickly can an exterminator come to the South Shore?
Our South Shore-based technicians can reach most communities within 2–4 hours for pest emergencies. Same-day standard bookings are available 7 days a week across the entire South Shore region including Longueuil, Brossard, Saint-Lambert, La Prairie, Candiac, Châteauguay, and Sainte-Julie.
Are pest control treatments safe for children in South Shore homes?
Yes. We use Health Canada-approved products with low mammalian toxicity. For chemical treatments, a re-entry period of 2–4 hours is required. Gel bait treatments require no re-entry period. We always provide detailed safety instructions before treatment and can answer any questions about product safety.
Who is responsible for pest control in a South Shore rental?
Under the Civil Code of Quebec, landlords throughout Quebec — including all South Shore municipalities — are legally responsible for maintaining rental units free of pest infestations. Notify your landlord in writing and give them a reasonable deadline to arrange treatment. If they fail to act, contact the Tribunal administratif du logement (TAL).
What pests are most common on the South Shore?
The South Shore's most common pests are mice and rats (particularly in areas near green spaces and agricultural land, peaking in fall), bed bugs (in multi-unit residential buildings in Longueuil and Brossard), cockroaches (near the Taschereau Boulevard restaurant corridor), wasps and hornets (in residential areas near the St. Lawrence River and green spaces), and carpenter ants (in properties bordering forested areas).
Our Services
Ready for Pest-Free Living in South Shore?
Same-day service available. Free inspection. 100-day guarantee. Call now or book online — our certified technicians are ready to help.