Plumbing Now
“Nothing is straightforward when floors are uneven and pipes are old, but the work was done perfectly by Larry - a friendly and very knowledgeable guy who enjoyed the challenge.”
Best Drain Cleaning Services in Ottawa, ON
23 contractors listed · all 23 in Ottawa · 9 open 24/7 · 15 open weekends · all 23 rated 4.5+
Data verified October 19, 2026
The Irish Plumber
“The process was very smooth from initial booking to the quick on-time appointment and excellent work done.”
Braden Foundation Construction
“The whole team brought by Ryan is very professional and finish the whole waterproof project efficiently and nicely.”
Pentech Plumbing & Rooter LTD
“The area was kept clean, and once he left, you would never know we had any issue at all.”
Anchor Home Comfort
“They are highly efficient and reliable and I recommend them with no reservations.”
John the Plumber
“John The Plumber dispatched technicians on the same-day despite it was on the weekend.”
The 23 companies listed for Ottawa, ON clear blocked drains and sewer lines. Hours, jetting and camera work, and free estimate claims come from each company's own website. Ask whether the crew that arrives owns the camera, since that decides what you learn.
Area overview: Ottawa, ON
All 23 contractors we list here are in Ottawa itself. We have 35 contractors in Ottawa on file; this page shows the highest-rated 23. The contractors on this page are rated from 4.6 to 5.0 across 5,724 reviews; 7 have 50 or more reviews. When customers rate these contractors on specific qualities, they most often praise professionalism (91%), quality (79%) and responsiveness (79%). The topics that come up most in reviews of the contractors on this page are "price", "efficient" and "estimates". 9 are open around the clock; 15 are open on Saturdays and 12 on Sundays. 6 show a licence on their websites. Domain records put 2 websites of the contractors on this page at ten or more years old; the oldest dates from 2014. 10 offer emergency call-outs; 1 offers financing or payment plans; 12 give free estimates and 1 is family- or locally-owned. We have a website on file for all 23 of the contractors on this page; 20 publish a contact page; 21 list a public email and 2 take bookings online. We count these figures across the contractors on this page; hours and prices change, so confirm the details with the contractor before you book.
Do drain companies listed for Ottawa work on Saturdays or Sundays?
Saturday or Sunday cover is shown for 15 of the 23 listings here. Saturday is normal working time for this trade; Sunday is where the premium sits. If the line is merely slow rather than backing up, Monday morning costs less and fixes exactly the same problem.
KG Plumbing Ottawa
“We would recommend him in a heartbeat and will definitely call him again for future plumbing needs!”
Goodboy Landscaping
“We researched landscaping companies and liked the process that GoodBoy employs to remove and replace with a new lawn with a great price.”
Penta Plumbing Ltd.
“Penta quoted their rates, estimated 2 hours for a flanged toilet install, and delivered a perfect job within the estimate.”
Tourangeau Mechanical
“The company I work for uses Tourangeau a lot, and they're very professional and knowledgeable.”
Platinum Guys
“They did a beautiful job renovating our bathroom and went far beyond our expectations to get the job done on time and on budget.”
Drain-Away Inc
“If you're looking for good service and time efficiency I wouldn't bother going anywhere else, this is the place!”
Pipes Plumbing
“Jacob came and sorted out our toilet, putting a new seal on and getting the toilet back working again.”
General Contractor Ottawa
“Thank for the help with the structural pad for our clients Home renovation in Ottawa.”
Ottawa Drain Cleaning
“My sump line was blocked solid and we were in trouble Kaz and his brother showed up in a hurry and had us fixed in no time.”
808 Foundation Repair & Waterproofing Specialists
“We have had two major jobs done by them which they did well and came back for small repairs after a year.”
Diamond Plumbing
“Damion always does great work, is conscientious and attentive to detail, and very communicative.”
Canada Plumbing Inc
“It is really rare these days to find an outfit that truly has the customer in mind.”
Lister Plumbing
“I had Adam in to do the plumbing for my kitchen renovation came in short time and finished job beautifully.”
All Hands Pro Construction
“Their work is very nice and price is also reasonable.”
Advance Cutting & Coring
“Awesome guys who came to do everything , yves is very noce to deal with”
Interlock Ottawa Group
“They called back within hours to book a free quote, had knowledgeable and friendly contractors, and a skilled installation team.”
Ottawa Competitive Construction
“Eddy, I just want to say we are happy with the hand rail; the work was very timely for this slippery weather.”
Why these companies made our list
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