Region 15
Building inspection in the Laurentians
From the suburbs of Blainville and Boisbriand to the mountains of Saint-Sauveur and Mont-Tremblant, the Laurentians offer one of Québec's most diverse markets: new homes, Saint-Jérôme plexes, chalets, resort condos and large rural properties.
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From the north shore to the peaks
In the south of the region, Blainville, Boisbriand, Mirabel and Saint-Jérôme have seen steady residential growth, with many homes 20 to 40 years old and new projects. Saint-Jérôme also keeps an old core with many plexes.
Further north, the market changes completely: chalets, mountain homes, resort condos and waterfront properties, often on sloped lots with wells and septic systems. Many are rented short term, which speeds up wear.
Slopes, snow and septic systems
In the mountains, sloped lots, meltwater runoff and snow loads on complex roofs are major issues. We check drainage around foundations, cathedral roof condition and attic ventilation.
Near lakes, several municipalities closely monitor septic systems. In the south, cases of pyrite-bearing fill have been documented on the north shore, and the plain's clay soils call for attention to drainage.
Most requested inspections in the Laurentians
Based on documented issues in the Laurentians, the checks we most often recommend on top of the pre-purchase inspection are foundation, pyrite and pyrrhotite assessment, french drain camera inspection and condo inspection. They directly address the territory's risks: pyrite in the fill under slabs, condos, plexes and homes renovated for resale, and off-grid wells and septic systems.
Each request is routed to an inspector who knows the area. You can combine several services in one visit, which reduces delays during your offer's conditional period.
Cities served in the Laurentians
Our inspectors cover Saint-Jérôme, Mirabel, Blainville, Saint-Sauveur, Mont-Tremblant, Sainte-Agathe-des-Monts, and Boisbriand, as well as neighbouring municipalities. Each city page presents local housing, risks to watch and the most useful inspections.
If your property is in a municipality not on the list, send your request anyway: it will be routed to the nearest inspector in the area.
Inspection services offered in the Laurentians
Pre-purchase inspection
A complete visual examination of the home before you sign at the notary, with a clear photo report telling you what to fix, when, and roughly at what cost.See the service →Foundation, pyrite and pyrrhotite assessment
Assessment of foundation and slab cracks, including signs of pyrite in the fill and pyrrhotite in the concrete, with referral to the right lab tests.See the service →French drain camera inspection
A camera run through the foundation drain to see its real condition: clogging, roots, sagging, iron ochre or a crushed pipe, before it costs you an excavation.See the service →Condo inspection
An inspection of your private unit plus a read of the syndicate's documents: maintenance log, reserve fund study and minutes, so you know what you're really buying into.See the service →Multiplex and income property inspection
Duplexes, triplexes, fourplexes and small income properties: an inspection built for investors, estimating upcoming replacements unit by unit.See the service →Well and septic inspection
For off-grid properties: septic system assessment, well water sampling for lab analysis and a check of pumping and treatment equipment.See the service →Frequently asked questions: building inspection in the Laurentians
Do you inspect chalets in Saint-Sauveur and Mont-Tremblant?
Yes, as well as resort condos, mountain homes and waterfront properties.
What costs the most in a Laurentians chalet?
Often the septic system, the roof and drainage problems related to the sloped lot.
Does a short-term rental condo wear faster?
Yes, intensive use wears finishes and equipment. The inspection takes it into account.
Reading before you buy in the Laurentians


Pyrrhotite: Recognizing the Signs and Protecting Your Purchase
Affected areas, construction years, visible signs and lab testing: what to know about pyrrhotite.Read the article →
Clogged French Drain: Warning Signs to Watch Before It's Too Late
Recognizing the clues of a struggling foundation drain and knowing when to run a camera.Read the article →A clear inspection, before you sign
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