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In Mashteuiatsh, 2 companies are listed as active for plumbing work in RBQ data dated November 4, 2026. 1 (50%) has held their licence for 10 years or more, the oldest since 2000; none got its licence in the last 90 days.
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Other cities
Saguenay 40Alma 11Dolbeau-Mistassini 4Roberval 3
Other trades in Mashteuiatsh
Finding a plumber in Mashteuiatsh
Looking for a plumber in Mashteuiatsh? This page lists the 2 companies in Mashteuiatsh that hold an active RBQ licence for plumbing work, according to public RBQ data dated November 4, 2026.
Mashteuiatsh ranks 7th of 16 cities in the Saguenay–Lac-Saint-Jean region for this trade, with 3% of the region's 73 companies.
The choice is limited in Mashteuiatsh. Companies from nearby cities in the region, such as Saguenay (40), Alma (11) and Dolbeau-Mistassini (4), may also serve your area: ask them.
The RBQ numbers: plumbers in Mashteuiatsh
2companies with an active licence
0new licences in 90 daysnone in the last 30 days
1have held their licence for 10 years or more50% · the oldest since 2000
2have a $40,000 licence bondmay compensate a client under RBQ rules
- All of them have a published phone number: you can call them directly.
- 2 licences issued by the Corporation des maîtres mécaniciens en tuyauterie du Québec (CMMTQ).
- Most common subcategories: 1.2 Small buildings (2), 1.3 Buildings of all kinds (2), 15.5 Plumbing (2), 16 Electrical work (1).
Useful guides: Hiring a plumber in Montréal: RBQ licence and CMMTQ · Lead pipes and drinking water: check your service line · Water damage insurance claim: step by step
Open data of the Régie du bâtiment du Québec as of November 4, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Plumbers in Greater Montréal.
Homes in Mashteuiatsh (2021 Census)
805households in a private dwelling
29%of dwellings built before 1981including 10% before 1961
76%of households own their home
76%of dwellings are single-detached houses
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
Before you sign with a plumber in Mashteuiatsh: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →
See also
- Plumbers in Greater Montréal
- Licensed contractors in Mashteuiatsh
- RBQ licence check: how to verify a Quebec contractor
- Water leak at home: what to do right away
- Frozen pipes: what to do and how to prevent them
- Bathroom renovation in Montréal: trades, licences, permits
- Water heater replacement: when and who installs it
- Kitchen renovation in Montréal: steps, permits, contractors
- Oil furnace replacement in Quebec: what the rules allow
- Basement renovation in Montréal: permits and valves
- Water damage insurance claim: step by step
- Lead pipes and drinking water: check your service line
- Hiring a plumber in Montréal: RBQ licence and CMMTQ