Les As du Drain
“I highly recommend, you will not be disappointed!”
Best Plumbers in Longueuil, QC
15 contractors listed · 11 in Longueuil · 7 open 24/7 · 11 open weekends · 11 rated 4.5+
Data verified October 18, 2026
Plombexpress
“On time for the appointment, job well done”
Debouchage d'Egouts R Fournier
“My drain from the house to the main city sewer unblocked in no time.”
ATG Plumbing
“Alex and his team did a great job, no issues at all, job was done on time and very reliable.”
Plomberie JL Inc
“The receptionist/dispatcher (I forgot her name) was very thorough in scheduling our appointment as we were leaving for vacation shortly after the work was done”
Plomberie Montérégie Inc
“Take the time you need to repair, be careful, leave everything very clean.”
Listed for homeowners in and around Longueuil, QC, these 15 companies cover plumbing work. Hours, licence claims and free estimate offers come from each company's own website. Ask about provincial workers compensation coverage too, since the work happens inside your home.
Area overview: Longueuil, QC
11 of the 15 contractors we list are based in Longueuil; the other 4 serve Longueuil from towns including Montreal (4 km), Saint-Hubert (8 km) and Boucherville (9 km). The contractors on this page are rated from 4.1 to 5.0 across 2,162 reviews; 6 have 50 or more reviews and 11 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (96%), quality (64%) and punctuality (61%). 7 are open around the clock; 11 are open on Saturdays and 8 on Sundays. 6 show a licence on their websites. Domain records put 3 websites of the contractors on this page at ten or more years old; the oldest dates from 2008. 8 offer emergency call-outs. We have a website on file for all 15 of the contractors on this page; 9 publish a contact page; 11 list a public email and 1 takes bookings online. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
Which plumbers listed for Longueuil take calls at night?
Cover at any hour is claimed by 7 of the 15 plumbing listings here. Before paying a night rate, shut the main off and see whether the trouble stops. If it does, book for normal hours and get the same repair for less. Confirm the after-hours rate on the phone.
VA Plumbing
“Punctual and professional, got the job done clean and nice!”
Revolution Plumbing
“I am very satisfied with plumbing evolution.”
Plomberie Longueuil
“After installing my new water heater, he repaired the stopper on my sink which was not closing properly and changed the faucet in my shower which was leaking all wrong.”
Champoux Drain Injection
“Special thanks to Bruno for his excellent service and attention to detail.”
Névé Réfrigération Inc
Plomberie A + Inc.
“After analyzing the situation, he was able to explain to me clearly and in detail the different options available to me.”
Plomberie Prest-o
“The owner is professional, efficient and guided us well with our options.”
Plomberie Boucherville
“Very good work, fast and efficient!”
Plomberie Pro-Drain
“Serge moved super quickly and did a great plumbing job.”
Why these companies made our list
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