Kastl & Zuch Plumbing & Heating Ltd
“We had a issue with out water heater called them in the morning and it was fixed the same day.”
Best Drain Cleaning Services in Waterloo, ON
15 contractors listed · 4 in Waterloo · 4 open 24/7 · 6 open weekends · 14 rated 4.5+
Data verified October 18, 2026
M. Durbin Plumbing Solutions
“We had three toilets installed, and they also took care of disposing of the old ones, which made everything so much easier.”
Waterloo Home Improvement
“Scott came to our condo in the morning and by the afternoon our toilet was installed!”
Paton Bros Ltd
“The plumber was fast and got the job done.”
Byams Plumbing
“The plumbers and office staff were super professional, the guys knew exactly what was needed after a quick inspection and made the whole situation stress-free.”
Tri City Plumbing Inc.
“I had Ethan replace the kitchen and bathroom taps today, he also fixed the flush handel on my toilet.”
The 15 companies listed for Waterloo, 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: Waterloo, ON
4 of the 15 contractors we list are based in Waterloo; the other 11 serve Waterloo from Kitchener (6 km) and Wellesley (15 km). The contractors on this page are rated from 4.1 to 5.0 across 2,309 reviews; 11 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 (89%), responsiveness (80%) and quality (79%). The topics that come up most in reviews of the contractors on this page are "price", "efficient" and "crew". 4 are open around the clock; 5 are open on Saturdays and 6 on Sundays. 2 show a licence on their websites. 8 have ten or more years of experience, the longest 23 years. 5 offer emergency call-outs; 1 offers financing or payment plans; 5 give free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 15 of the contractors on this page; 12 publish a contact page; 12 list a public email and 2 take 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.
What can I learn from these companies' websites?
A website is linked by all 15 listings for Waterloo. Look for two things: whether they own a jetter and a camera or hire them in, and whether they do repairs as well as cleaning. A company that only cables will be back at the same line next year.
Dave Hurst Plumbing & Heating Inc.
“From the delightful Dominica who answered the phone to the friendly Matt & Logan who came to our house, this experience was 5 star.”
JC Waterworks Plumbing
“Dealing with JC Waterworks it was an excellent experience, punctual, professional and great workmanship.”
Integrity Drains & Plumbing
“Great communication, quick response and installation time, very professional job as well.”
One Stop Plumbing Limited
“Pauley is super helpful and knows what you need to get all the parts you need to complete the job at hand!!”
365 Heating
“Top notch customer service, great pricing and the technicians were very understanding of having a night shift worker trying to sleep and working around it as best they could”
Mtac Plumbing
“Thank you, Mark, for responding quickly and taking care of our issue on time, and thank you to Anthony for his skill and excellent workmanship.”
Way-Mar Inc
“We needed a new front door for our home and we ordered it through Way-Mar and had it installed by them as well.”
Chasles Plumbing Professionals
“Lee is the only guy I trust when it comes to my personal needs as well as my business when I need to contract a plumber.”
J Nelson Services
“Friendly and helpful crew - highly recommend their services for plumbing, repairs etc”
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
