Plumbers in Thornhill
6 plumbers in Thornhill with multi-platform trust scores.
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Who is the best plumber in Thornhill, Ontario?
The most trusted plumber in Thornhill, Ontario is Eco plumbing and drain, with a ProScore of 69/100. ProScore has scored 6 plumbers in Thornhill across 10+ data sources and 20+ trust signals. None of the 6 meet the Trusted-tier (70+) threshold yet.
Trust scores last computed between August 30, 2026 and September 19, 2026.
Which plumbers in Thornhill score highest?
All 6 scored plumbers in Thornhill, ranked by ProScore.
ProScore scores 6 plumbers in Thornhill, and their average score is 61 out of 100. 6 have Google reviews on file — 442 reviews in total, and 2 carry a Better Business Bureau rating.
Eco plumbing and drain ranks 1st of the 6 plumbers ProScore scores in Thornhill, holding a ProScore of 69 out of 100 (Good tier). Its score draws on 45 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+.
McPipe Plumbing Inc. ranks 2nd of the 6 plumbers ProScore scores in Thornhill, holding a ProScore of 68 out of 100 (Good tier). Its score draws on 244 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+.
Paramount Plumbing Service ranks 3rd of the 6 plumbers ProScore scores in Thornhill, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 28 Google reviews averaging 5.0 out of 5 and 15 reviews on other major review platforms.
Sewer-Man Drains & Waterproofing ranks 4th of the 6 plumbers ProScore scores in Thornhill, holding a ProScore of 64 out of 100 (Good tier). Its score draws on 4 Google reviews averaging 5.0 out of 5.
WOW Drain & Plumbing, Drain Backup, Drain Cleaning, Sewer Drain Repair Vaughan ranks 5th of the 6 plumbers ProScore scores in Thornhill, holding a ProScore of 51 out of 100 (Basic tier). Its score draws on 6 Google reviews averaging 5.0 out of 5.
Amati Canada ranks 6th of the 6 plumbers ProScore scores in Thornhill, holding a ProScore of 48 out of 100 (Basic tier). Its score draws on 115 Google reviews averaging 3.8 out of 5.
How is a plumber's ProScore calculated?
Every plumber in Thornhill 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 Thornhill?
Browse all plumbers in Thornhill →What else should I check before hiring plumbers in Thornhill?
Frequently Asked Questions
Who is the best plumber in Thornhill?
Eco plumbing and drain has the highest ProScore (69/100) among 6 plumbers in Thornhill, 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 Thornhill?
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 Thornhill, 0 plumbers hold Elite-tier ProScores (81+), 0 are Trusted-tier (70+), and 4 are Good-tier (54+).
Are plumbers in Thornhill 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 6 plumbers in Thornhill by ProScore, 0 carry active WSIB coverage.
How many plumbers has ProScore scored in Thornhill?
ProScore has scored 6 plumbers in Thornhill, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed between August 30, 2026 and September 19, 2026.
What's the ProScore distribution among plumbers in Thornhill?
Among 6 plumbers in Thornhill, Ontario: 0 are Elite-tier (81+), 0 are Trusted-tier (70+), and 4 are Good-tier (54+). The top 6 average a ProScore of 61/100, with Eco plumbing and drain leading at 69/100.