Atre Drain and Plumbing
“An excellent experience all around - great communication, prompt service, a thorough explanation, fair pricing, trustworthy people.”
Best Plumbers in Oakville, ON
15 contractors listed · 11 in Oakville · 8 open 24/7 · 11 open weekends · 14 rated 4.5+
Data verified October 21, 2026
Atlascare Heating & Cooling
“Solved the issue to our satisfaction and not upsell pressure at all.”
17 Plumbing & Construction Design
“Will be using their services in the future and recommending to family and friends for sure.”
Charnwood Plumbing Drain Repair
“SAM was able to replace and have a new one installed and running in under 3 hours.”
Oneplumb Plumbing Inc.
“I never give reviews but I am making an exception Jared and his apprentice are fantastic they fixed my problem that no one else would thank-you very much I really cannot thank you enough thanks again”
Blue Water Mechanical Services
“While here he took the time to answer some questions I had about my sump and associated mechanics which showed to me he knows his stuff.”
Listed for homeowners in and around Oakville, 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: Oakville, ON
11 of the 15 contractors we list are based in Oakville; the other 4 serve Oakville from Mississauga (17 km). The contractors on this page are rated from 4.3 to 5.0 across 8,304 reviews; 8 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 (96%), responsiveness (83%) and quality (75%). The topics that come up most in reviews of the contractors on this page are "price" and "efficient". 8 are open around the clock; 11 are open on Saturdays and 10 on Sundays. 6 show a licence on their websites. 3 have ten or more years of experience, the longest 20 years. 8 offer emergency call-outs; 8 give free estimates; 1 is family- or locally-owned and 3 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; 12 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.
Why are some of these plumbers based outside Oakville?
Oakville is the base for 11 of the 15 listings here; the rest come from other towns within 20 km. Plumbers work across a service area, so a neighbouring base is normal. Ask how far they travel and whether the trip charge changes with distance.
Precise Plumbing & Drain Services
“Precise did a super job, on time, clean, neat, very professional!”
TAS Plumbing
“Alex is a true professional, arriving on time, courteous & efficient completing the job quickly.”
LD Drain Repair
“Had a very great experience with this company mainly with robin very informative answer all questions”
The English Plumber & Gas Installer Inc
“I also appreciated that he wore a mask and booties over his shoes.”
Remove & Restore Inc. Oakville
FDR Plumbing
“They delivered on time service showed respect for our home and my family was extremely comfortable when they did the work.”
Rooter Team Inc
“There was a minor item that was not part of the scope and an inconvenience to him but he still did it flawlessly and without complains.”
Rooterworx
“They are able to deliver good service for drainage pipe camera inspections and repairs.”
Drain Stream Plumbing and Drain Services
“Very quick to respond if you are in any trouble and will provide you diligently and sincere work.”
Why these companies made our list
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