Construction Madux Inc.
Montréal · Saint-Léonard · RBQ licence 8340-5340-51 · since 2006
6 of 7 points verified
What we checked ourselves, as of September 18, 2026. It’s a count, not a score: an unverified point doesn’t mean a problem.
- Active RBQ licence
- No restriction
- Bond on file
- Website verified
- Licence number on their site
- Phone confirmed by their site
- –Response to emails
See details and sources
| Active RBQ licence | No. 8340-5340-51 in the RBQ registry of September 18, 2026 |
|---|---|
| No restriction | RBQ registry of September 18, 2026 |
| Bond on file | $40,000 — Intact Assurance |
| Website verified | constructionmadux.com responds and belongs to the company (our check of September 23, 2026) |
| Licence number on their site | The same number as in the registry appears on constructionmadux.com |
| Phone confirmed by their site | The registry number appears on constructionmadux.com |
| Response to emails | Test in preparation: we will publish the measured delay, with the date |
How to reach them
- 514 326-0404on file with the RBQ · also on their site
- constructionmadux.com checked on September 23, 2026 · also in English
- Emailon file, not published · response test coming
- Google reviewswe don’t copy reviews
Job sizes
- Smallmaintenance, repair
- Mediumwall heat pump
- Largecentral system, geothermal
Not declared by the company · Is this your company? Tell us
Other heating and cooling companies nearby
What the licence allows them to do
General contractor — categories on file
1.2Small buildings1.3Buildings of all uses1.4Roads and pipelines1.5Civil engineering structures1.6Submerged civil engineering works3.1Concrete structures4.1Masonry structures10Solid-fuel local heating15.7Residential ventilation
Plus 5 categories of routine work (Schedule III of the regulation), found on almost every licence : Small concrete works · Non-structural masonry, marble and tile · Insulation, waterproofing, roofing and siding · Interior finishing · Special or prefabricated installations.
Heating, cooling and heat pumps — according to their licence · General contractors — according to their licence
In the RBQ registry
- Legal form
- Personne morale
- Licence category
- General contractor
- Licence issued by
- Régie du bâtiment du Québec (RBQ)
- NEQ (Quebec enterprise number)
- 1164069586
- Address
- 6270 Rue Marivaux Montréal QC H1P 3K3
Check it yourself : Look up licence 8340-5340-51 in the RBQ registry
Installed heat pump cost in Quebec
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RBQ registry data as of September 18, 2026.