Plumber in L'Assomption
Compare 3 qualified businesses in L'Assomption in the plumber category. Read reviews, browse services and get free quotes.
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AGB plomberie inc.
Residential and commercial plumber in L'Assomption. Plumbing services, drain clearing, camera inspection, preventive maintenance and renovation. Certified plumber with CMMTQ license, 1-year workmanship guarantee.

Plomberie OCJ inc.
Plomberie OCJ is a family-run residential and commercial plumbing company based in Lanaudière. Specializing in renovations (bathrooms, kitchens, laundry rooms) and new construction, it serves Montreal, the North Shore, the South Shore, the Laurentians and Lanaudière with a qualified and dedicated team.
Plomberie O&B inc.
Plomberie O&B is a residential and commercial plumbing company based in L'Assomption (Lanaudière), founded in 2021. Specialized in renovation of kitchens, bathrooms and laundry rooms, as well as new construction (single-family homes, cottages, multi-unit dwellings). Serves the Montreal region, North Shore, South Shore, Laurentians and Lanaudière.
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Frequently Asked Questions
What does a plumber cost in L'Assomption?▾
A service call covers travel and the first hour, then an hourly rate applies. Evenings and weekends cost more. Ask for both figures before booking.
I am buying an older home. What should be checked?▾
The main drain by camera, the condition of the supply piping, the age of the water heater, and whether a backwater valve exists if the basement is finished. Those four cover most of the bad surprises.
When should I test the sump pump?▾
Every fall. Pour a bucket of water into the pit and confirm it starts and stops on its own. A battery backup protects a finished basement during a power outage in the melt season.
Do I need a permit to add a bathroom?▾
Yes. The city requires one for drainage and venting. If the home is on a septic system, its capacity may need to be assessed.
How do I verify a plumber's licence?▾
Ask for the RBQ licence number and search the Régie public registry. CMMTQ membership is mandatory for plumbing work in Quebec.
Plumber in L'Assomption: what to know
L'Assomption brings together an old village core, newer residential streets and rural sectors. Each calls for different work.
The old village
Older homes in the centre often had plumbing redone in sections, owner after owner. The result is a patchwork of materials and eras. Before buying or renovating, a camera inspection of the main drain and a look at the supply piping prevent nasty surprises once walls are open.
Rural sectors
Outside the serviced perimeter, many homes run on a well and a septic system. Pumping every two years for year-round occupancy, and a water test before buying any treatment.
Spring
The flat land around here drains slowly. A sump pump that quits during the melt floods a basement in hours. Test it every fall, and add a battery backup if the basement is finished.
Licence and permits
The contractor must hold a Régie du bâtiment du Québec licence and belong to the CMMTQ. The city requires a permit to add a bathroom, move a drain or alter a municipal connection.
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