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 highest-scoring plumbers in Thornhill on ProScore are Eco plumbing and drain (76/100), McPipe Plumbing Inc. (75/100) and Paramount Plumbing Service (75/100). ProScore has scored 6 plumbers in Thornhill across 10+ data sources and 20+ trust signals. 3 of the 6 are Trusted-tier (70+) or higher.
Trust scores last computed October 13, 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 66 out of 100. 3 of them reach the Trusted threshold of 70 or higher. 6 have Google reviews on file — 442 reviews in total, and 2 carry a Better Business Bureau rating.
Eco plumbing and drain is a plumber in Thornhill that handles repair work, offers online estimates, accepts credit cards, and operates 24 hours a day, seven days a week.
Eco plumbing and drain ranks 1st of the 6 plumbers ProScore scores in Thornhill, holding a ProScore of 76 out of 100 (Trusted 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. operates in Thornhill and handles plumbing repair work, offering online estimates and accepting credit card and tap payments. The business is open six days a week.
McPipe Plumbing Inc. ranks 2nd of the 6 plumbers ProScore scores in Thornhill, holding a ProScore of 75 out of 100 (Trusted 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 75 out of 100 (Trusted 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 operates 24/7 from Thornhill and handles drain and waterproofing repair work on site, with online estimates available.
The ProScore for Sewer-Man Drains & Waterproofing draws on 4 Google reviews averaging 5.0 out of 5.
The ProScore for Amati Canada draws on 115 Google reviews averaging 3.8 out of 5.
WOW Drain & Plumbing operates 24 hours a day, seven days a week from Thornhill, handling drain cleaning, drain backups, and sewer drain repair.
The ProScore for WOW Drain & Plumbing, Drain Backup, Drain Cleaning, Sewer Drain Repair Vaughan draws on 6 Google reviews averaging 5.0 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 where it applies 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 (76/100) among 6 plumbers in Thornhill, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing where it applies, 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+), 3 are Trusted-tier (70+), and 1 is Good-tier (54+).
Are plumbers in Thornhill licensed?
Yes, the person doing the work has to be. Plumbing is a compulsory trade in Ontario: a plumber needs a Certificate of Qualification, or must be a registered apprentice, and you can check either on the Skilled Trades Ontario public register.
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 October 13, 2026.
What's the ProScore distribution among plumbers in Thornhill?
Among 6 plumbers in Thornhill, Ontario: 0 are Elite-tier (81+), 3 are Trusted-tier (70+), and 1 is Good-tier (54+). Together they average a ProScore of 66/100, with Eco plumbing and drain leading at 76/100.
Plumbers near Thornhill
The nearest Ontario cities with a ProScore page for this trade — a pro based nearby may cover your area.
Other trades in Thornhill
Other trades with a ProScore page in Thornhill, with the number of scored pros in each.