Plumbers in Oakville
24 plumbers in Oakville with multi-platform trust scores.
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Who is the best plumber in Oakville, Ontario?
The most trusted plumber in Oakville, Ontario is 17 Plumbing & Construction Design Ltd, with a ProScore of 80/100. ProScore has scored 24 plumbers in Oakville across 10+ data sources and 20+ trust signals. 8 of the 24 are Trusted-tier (70+) or higher.
Trust scores last computed September 19, 2026.
Which plumbers in Oakville score highest?
All 24 scored plumbers in Oakville, ranked by ProScore.
ProScore scores 24 plumbers in Oakville, and their average score is 65 out of 100. 8 of them reach the Trusted threshold of 70 or higher. 4 are registered with WSIB and 1 holds a TSSA licence. 24 have Google reviews on file — 1,602 reviews in total, and 12 carry a Better Business Bureau rating.
17 Plumbing & Construction Design Ltd ranks 1st of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 80 out of 100 (Trusted tier). Its score draws on 116 Google reviews averaging 5.0 out of 5, 2 reviews on other major review platforms and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
Oneplumb plumbing inc. ranks 2nd of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 75 out of 100 (Trusted tier). Its score draws on 84 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+.
TAS Plumbing ranks 3rd of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 73 out of 100 (Trusted tier). Its score draws on 17 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
Drain 1 Plumbers Oakville ranks 4th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 72 out of 100 (Trusted tier). Its score draws on 140 Google reviews averaging 5.0 out of 5, 210 reviews on other major review platforms and a Better Business Bureau rating of C.
John The Plumber ranks 5th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 72 out of 100 (Trusted tier). Its score draws on 280 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+.
Harb Plumbing ranks 6th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 71 out of 100 (Trusted tier). Its score draws on 58 Google reviews averaging 4.7 out of 5 and a Better Business Bureau rating of A+.
ProResults Plumbing Oakville – Residential & Commercial Services ranks 7th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 70 out of 100 (Trusted tier). Its score draws on 117 Google reviews averaging 5.0 out of 5.
Rosedale Plumbing ranks 8th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 70 out of 100 (Trusted tier). Its score draws on 20 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+.
Blue Water Mechanical Services ranks 9th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 69 out of 100 (Good tier). Its score draws on 47 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+.
Superior Plumbing & Heating of Oakville ranks 10th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 69 out of 100 (Good tier). Its score draws on 101 Google reviews averaging 4.6 out of 5 and a Better Business Bureau rating of A+. Its ProScore has risen since the previous recompute.
Anta Plumbing Oakville ranks 11th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 68 out of 100 (Good tier). Its score draws on 32 Google reviews averaging 4.8 out of 5 and 413 reviews on other major review platforms. Its ProScore has risen since the previous recompute.
Done Right plumbing Services Inc. ranks 12th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 67 out of 100 (Good tier). Its score draws on 19 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB.
PeakFlow Plumbing & Drains ranks 13th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 67 out of 100 (Good tier). Its score draws on 36 Google reviews averaging 5.0 out of 5.
Crystal Drain & Plumbing, Drain Backup, Drain Cleaning Oakville ranks 14th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 36 Google reviews averaging 4.9 out of 5.
Rooter-Man Plumbing & Waterproofing Oakville ranks 15th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 178 Google reviews averaging 4.7 out of 5.
Precise Plumbing & Drain Services - Oakville ranks 16th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 65 out of 100 (Good tier). Its score draws on 22 Google reviews averaging 4.5 out of 5.
Charnwood Plumbing Drain Repair ranks 17th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 64 out of 100 (Good tier). Its score draws on 45 Google reviews averaging 5.0 out of 5. Its ProScore has fallen since the previous recompute.
G Bates Plumbing ranks 18th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 62 out of 100 (Good tier). Its score draws on 13 Google reviews averaging 3.8 out of 5 and a Better Business Bureau rating of A+.
Aquamaster Basement Waterproofing Oakville ranks 19th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 58 out of 100 (Good tier). Its score draws on 84 Google reviews averaging 5.0 out of 5.
A. McKenna Plumbing ranks 20th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 57 out of 100 (Good tier). Its score draws on 103 Google reviews averaging 3.6 out of 5 and a Better Business Bureau rating of A+. Its ProScore has risen since the previous recompute.
Andy Plumbing ranks 21st of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 52 out of 100 (Basic tier). Its score draws on 22 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+. Its ProScore has risen since the previous recompute.
The English Plumber & Gas Installer Inc ranks 22nd of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 48 out of 100 (Basic tier). Its score draws on 28 Google reviews averaging 4.3 out of 5. Public records show it is registered with WSIB and licensed by the TSSA. Its ProScore has fallen since the previous recompute.
Guest Plumbing & HVAC Oakville - Commercial & Residential Services ranks 23rd of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 46 out of 100 (Basic tier). Its score draws on 1 Google review averaging 5.0 out of 5. Its ProScore has risen since the previous recompute.
Popeye the plumber ranks 24th of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 45 out of 100 (Basic tier). Its score draws on 3 Google reviews averaging 5.0 out of 5.
Of 24 plumbers in Oakville: 0 rated Elite (81+), 8 rated Trusted (70+), and 12 rated Good (54+).
How is a plumber's ProScore calculated?
Every plumber in Oakville is evaluated across four pillars: Reputation (ratings across multiple platforms), Verification (government licensing and WSIB), Transparency (online presence and profile completeness), and Sentiment (AI analysis of customer reviews). The result is a ProScore from 0 to 100.
Read the full methodology →Who are the top 3 plumbers in Oakville?
Browse all plumbers in Oakville →What else should I check before hiring plumbers in Oakville?
Frequently Asked Questions
Who is the best plumber in Oakville?
17 Plumbing & Construction Design Ltd has the highest ProScore (80/100) among 24 plumbers in Oakville, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing, WSIB coverage, and AI-analyzed customer sentiment.
How do I find a trustworthy plumber in Oakville?
Look for plumbers with verified active WSIB coverage, and consistent ratings across multiple platforms. ProScore aggregates these signals into a single score from 0-100. In Oakville, 0 plumbers hold Elite-tier ProScores (81+), 8 are Trusted-tier (70+), and 12 are Good-tier (54+).
Are plumbers in Oakville licensed?
Plumbers in Ontario should hold valid business registration and active WSIB workers compensation coverage. ProScore verifies these credentials for every provider. Of the top 24 plumbers in Oakville by ProScore, 4 carry active WSIB coverage.
How many plumbers has ProScore scored in Oakville?
ProScore has scored 24 plumbers in Oakville, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed September 19, 2026.
What's the ProScore distribution among plumbers in Oakville?
Among 24 plumbers in Oakville, Ontario: 0 are Elite-tier (81+), 8 are Trusted-tier (70+), and 12 are Good-tier (54+). The top 24 average a ProScore of 65/100, with 17 Plumbing & Construction Design Ltd leading at 80/100.