Custom Plumbing
“They worked without any kind of break on a messy cast iron drain in a 100 yr.”
Best Drain Cleaning Services in Sarnia, ON
10 contractors listed · 4 in Sarnia · 3 open weekends · 9 rated 4.5+ · 2 show a licence
Data verified October 19, 2026
Rb Plumbing
Pete's Plumbing
“Easy to talk to and caring people”
Ghost Plumbing
“Casper was quick to come up with a solution that was economical and a best solution besides drilling into my cupboards.”
Plympton Plumbing
“The staff is friendly and helpful, and they're onsite plumbers do an outstanding job going above and beyond.”
Jack and Sons Sewer Cleaning
“They are they are reliable prices are very agreeable I would recommend them to anybody”
The 10 companies listed for Sarnia, 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: Sarnia, ON
4 of the 10 contractors we list are based in Sarnia; the other 6 serve Sarnia from towns including Strathroy (56 km), Wyoming (15 km) and Forest (27 km). The contractors on this page are rated from 4.0 to 5.0 across 256 reviews; 2 have 50 or more reviews and 9 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (80%), responsiveness (80%) and quality (63%). 3 are open on Saturdays. 2 show a licence on their websites. 1 offers emergency call-outs; 1 gives free estimates and 3 are family- or locally-owned. We have a website on file for 5 of the contractors on this page; 5 publish a contact page and 2 list a public email. 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.
Do drain companies listed for Sarnia work on Saturdays or Sundays?
Saturday or Sunday cover is shown for 3 of the 10 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.
Bob Magee Plumbing
“They get the job done and clean up after themselves, not to mention his patience with my jumpy dog!”
Paramount Plumbing Ltd.
“Ivan and Roy were at my house working endlessly to resolve my plumbing issues.”
Power Plumbing & Heating
“These guys came in and fix my fixtures in the washer there amazing decent pricing”
Milliken Plumbing & Heating Ltd
“I appreciate the quick and honest service of Milliken.”
Why these companies made our list
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