New Well Plumbing & Heating Ltd
“Very professional, did a great job, they came out quickly and completed both jobs to our satisfaction.”
Best Drain Cleaning Services in Ajax, ON
15 contractors listed · 5 in Ajax · 11 open 24/7 · all 15 open weekends · 14 rated 4.5+
Data verified October 21, 2026
Sewer Squad Plumbing & Drain Services
“There service was really great it helped alot to get the bathtub clog out”
Wet Bandits Plumbing
“Bought a toilet to replace, would not fit, and they helped me get a new one providing great recommendations.”
Superior Plumbing & Heating
“We are very happy and will call Superior Plumbing for preventive maintenance.”
Toram Plumbing
“Serviced out studio location and we are thrilled with the professionalism and very fair pricing.”
PR Plumbing
“Robert came , assessed the problem and explained it to me in terms I understood.”
The 15 companies listed for Ajax, 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: Ajax, ON
5 of the 15 contractors we list are based in Ajax; the other 10 serve Ajax from towns including Whitby (8 km), Pickering (5 km) and Oshawa (16 km). The contractors on this page are rated from 4.1 to 5.0 across 5,627 reviews; 12 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (92%), responsiveness (79%) and quality (75%). 11 are open around the clock; all 15 are open on Saturdays and 14 on Sundays. 8 show a licence on their websites. 5 have ten or more years of experience, the longest 26 years. 12 offer emergency call-outs; 3 offer financing or payment plans; 9 give free estimates; 7 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for all 15 of the contractors on this page; 14 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.
Are any of the listed drain crews available overnight?
Overnight availability is claimed by 11 of the 15 listings here. A backup that has reached a finished basement floor is worth the night rate, because standing sewage is a health problem rather than an inconvenience. A slow sink is not. Ask what the after-hours charge covers before agreeing.
2 Bro's Plumbing
“They installed a faucet a few months back and the technician showed me a couple tricks so I could help myself if needed.”
Call the Plumbing Doctor Inc. & Call the Foundation Doctor Inc.
“We had clogged drain and even a different plumber from this company was not able to fix the issue - Jim was able to fix it in about 30 minutes.”
Caldwell Plumbing
“The manager explained to me that they could replace the faucet and it would not take long; they have encountered many similar problems in all the years in business and they have never failed to resolve them.”
Plumbing & Heating Heroes
“It's never a pleasant surprise to be without heat in your family home in the middle of winter but thanks to the "heroes" we felt like this was dealt in a timely manner.”
Marco Plumbing
“Helped solve our leaky faucet issue in a quick, efficient and professional manner.”
Saving Plumbing
“I have placed him on many jobs for my clients and everything was done properly and with rave comments from my very satisfied clients.”
Vaillancourt Plumbing & Drains
“I have learned a lot about plumbing and trust that the job will be done right.”
Limcan Certified Heating and Air Conditioning
“Mike and his team installed our new water heater, and it is working great!”
Golding Plumbing
“One of the best experiences I have ever had with a plumber 💯 …”
Why these companies made our list
What customers say about contractors in Ajax
- “Toram does a first class job at reasonable prices and is courteous and professional at all times.” — customer of Toram Plumbing
- “100% recommend this company. They came same day, responded quickly to questions, very professional and did an excellent job.” — customer of Sewer Squad Plumbing & Drain Services
- “Both gentlemen were kind, professional, and very patient in explaining what they'd done.” — customer of Wet Bandits Plumbing
- “Luke was fantastic. Arrived same day and fixed our clog within an hour.” — customer of Wet Bandits Plumbing
Excerpts from public reviews of the contractors listed on this page.
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