
Longueuil's dense residential neighbourhoods, aging apartment buildings, and proximity to the St. Lawrence River create year-round pest pressure. Blackline Pest Control provides certified, guaranteed pest elimination across all of Longueuil and the South Shore.
Longueuil is the urban core of Montreal's South Shore, with a dense mix of apartment buildings, older bungalows, and commercial properties that create ideal conditions for a wide range of pest infestations. The city's aging housing stock — particularly in Vieux-Longueuil and Saint-Hubert — has the foundation cracks, deteriorating mortar, and aging plumbing that rodents and cockroaches exploit.
The proximity to the St. Lawrence River and the Longueuil waterfront creates humid microclimates that support large populations of moisture-loving pests. Silverfish, centipedes, and certain cockroach species thrive in the damp basements common in Longueuil's older neighbourhoods. The city's active commercial sector, including restaurants and food processing facilities, creates additional cockroach pressure that can spread to neighbouring residential buildings.
Bed bugs are a growing concern in Longueuil's rental housing market, where high tenant turnover in multi-unit buildings facilitates rapid spread between units. Blackline Pest Control works with Longueuil landlords and property managers to implement building-wide treatment programs.
Every service backed by our 100-day guarantee. Free inspection before any work begins.
Heat treatment & chemical protocols.
Learn MoreGel bait & residual spray treatments.
Learn MoreFull exclusion & bait station programs.
Learn MoreCarpenter ant & pavement ant specialists.
Learn MoreSafe removal from any location.
Learn MorePerimeter spray & interior treatments.
Learn MoreOur South Shore technicians serve all of Longueuil including Vieux-Longueuil, Saint-Hubert, Greenfield Park, and LeMoyne. Emergency response within 2–4 hours. Same-day standard bookings available 7 days a week. We also cover Brossard, Saint-Lambert, and surrounding South Shore communities.
Sub-areas covered: Vieux-Longueuil · Saint-Hubert · Greenfield Park · LeMoyne · Jacques-Cartier · Saint-Lambert · Boucherville
Available 24/7 for pest emergencies in Longueuil
514-809-1999Free inspection · No obligation quote
"I manage a 12-unit building in Vieux-Longueuil and we had a cockroach problem spreading between units. Blackline treated the entire building over two weekends, coordinated with all tenants, and provided full documentation. Three months later, zero complaints. They understand multi-unit buildings."
Here are the pests most active right now in Montreal and surrounding areas — and what's coming next.
Free inspection · 100-day guarantee · Same-day service available
Pest control costs in Longueuil 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. We provide free inspections and transparent written quotes before any work begins. No hidden fees.
Our South Shore technicians can reach Longueuil within 2–4 hours for pest emergencies. Same-day standard bookings are available 7 days a week across all Longueuil districts including Vieux-Longueuil, Saint-Hubert, Greenfield Park, and LeMoyne.
Yes. We use Health Canada-approved products with low mammalian toxicity, specifically selected for residential use. For chemical treatments, a re-entry period of 2–4 hours is required. Gel bait treatments require no re-entry period. We provide complete safety information before every treatment.
Under the Civil Code of Quebec, landlords throughout Quebec — including Longueuil — 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) for assistance.
The most common pests in Longueuil are cockroaches (particularly in older apartment buildings and near the restaurant sector), mice and rats (year-round, peaking in fall), bed bugs (in multi-unit residential buildings with high tenant turnover), carpenter ants (in older wood-frame homes), and wasps (in residential areas near green spaces and the St. Lawrence waterfront).
Same-day service available. Free inspection. 100-day guarantee. Call now or book online — our certified technicians are ready to help.