Byams Plumbing
“Mom-in-law said of the plumber, "He was very efficient, and made sure there were no leaks and the air was flushed out after he finished.”
Best Plumbers in Kitchener, ON
15 contractors listed · 14 in Kitchener · 6 open 24/7 · 9 open weekends · 14 rated 4.5+
Data verified October 18, 2026
Tri City Plumbing Inc.
“Joe was very professional and clean, the job was done in a timely fashion.”
Book onlineBook
Aire One Heating & Cooling KW
“I was completely impressed with Ronnie's professionalism and customer service, he did an excellent job of diagnosing and repairing the problem with my air conditioner.”
Dave Hurst Plumbing & Heating Inc.
“Josh was here at 8:00, removed and installed 2 toilets, and fixed a leak in the seal of the sink drain.”
JC Waterworks Plumbing
“The repair man arrived on time was very pleasant , we told him what the issues were ,he made a few suggestions what he thought we went with that and are very very pleased , perfect job .”
Integrity Drains & Plumbing
“You are quick to respond, complete very good work and are reasonably priced!”
Listed for homeowners in and around Kitchener, ON, 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: Kitchener, ON
14 of the 15 contractors we list are based in Kitchener; the other one does not publish an address. The contractors on this page are rated from 4.1 to 5.0 across 12,168 reviews; 9 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 (86%), quality (78%) and responsiveness (78%). The topics that come up most in reviews of the contractors on this page are "price" and "efficient". 6 are open around the clock; 8 are open on Saturdays and 8 on Sundays. 4 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 2003. 7 offer emergency call-outs; 2 offer financing or payment plans; 6 give free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 14 of the contractors on this page; 10 publish a contact page; 11 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.
How many listed plumbers say they are licensed?
4 of the 15 plumbing listings here show a licence on their websites. Confirm it with the provincial body that issued it rather than accepting the website. A company that does not say so may still be licensed, so ask on the phone and note the number before the first visit.
365 Heating
“I appreciated the time they took to do a walkthrough after they were done and answer any questions that I had”
One Stop Plumbing Limited
“Very good service will be returning for any plumbing needs highly qualified staff and very fair pricing.”
Mtac Plumbing
“Markus is the best and professional quick response and fast I highly recommend”
J Nelson Services
“Friendly and helpful crew - highly recommend their services for plumbing, repairs etc”
Lajoies Plumbing
“He replaced all our old water supply and drain lines within the budget provided.”
Sider Plumbing and Mechanical Inc.
“We have had to call on Sider Plumbing a few times for emergencies and they have been absolutely accommodating.”
Roberts Onsite
“Anything you want, they can make it happen”
The Plumbing Connection
“We had a new toilet installed and they came by quickly, did great work, had friendly, helpful attitudes, and charged a fair price.”
W.C. Weinhardt Plumbing Inc
“This was the first time calling WC WEINHARD PLUMBING and certainly wont be the last.”
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
