Plumbers in Thorold
5 plumbers in Thorold with multi-platform trust scores.
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Who is the best plumber in Thorold, Ontario?
The highest-scoring plumbers in Thorold on ProScore are Ideal Plumbing & Heating (60/100), Trinity Plumbing Niagara (58/100) and Niagara Drain Master | Plumber | Plumbing | 24 hour (56/100). ProScore has scored 5 plumbers in Thorold across 10+ data sources and 20+ trust signals. None of the 5 meet the Trusted-tier (70+) threshold yet.
Star ratings alone do not separate them: 4 of the 5 average 4.5 stars or higher on Google, but none reach Trusted (70+). ProScore also weighs government licensing where it applies, WSIB coverage, ratings on other platforms and what customers say in their reviews.
Trust scores last computed October 13, 2026.
Which plumbers in Thorold score highest?
All 5 scored plumbers in Thorold, ranked by ProScore.
ProScore scores 5 plumbers in Thorold, and their average score is 54 out of 100. 1 is registered with WSIB and 1 holds a TSSA licence. 5 have Google reviews on file — 136 reviews in total, and 2 carry a Better Business Bureau rating.
Ideal Plumbing & Heating ranks 1st of the 5 plumbers ProScore scores in Thorold, holding a ProScore of 60 out of 100 (Good tier). Its score draws on 41 Google reviews averaging 4.4 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB and licensed by the TSSA.
Trinity Plumbing Niagara ranks 2nd of the 5 plumbers ProScore scores in Thorold, holding a ProScore of 58 out of 100 (Good tier). Its score draws on 44 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A.
Niagara Drain Master is a plumber in Thorold operating seven days a week with 24-hour availability.
Niagara Drain Master | Plumber | Plumbing | 24 hour ranks 3rd of the 5 plumbers ProScore scores in Thorold, holding a ProScore of 56 out of 100 (Good tier). Its score draws on 31 Google reviews averaging 4.9 out of 5.
The ProScore for CH Plumbing & Heating - HVAC Niagara draws on 19 Google reviews averaging 4.9 out of 5.
OG Plumbing and Drain Cleaning serves Thorold with emergency plumbing and drain cleaning services around the clock, seven days a week.
The ProScore for OG Plumbing and Drain Cleaning / Emergency Plumbers draws on 1 Google review averaging 5.0 out of 5.
How is a plumber's ProScore calculated?
Every plumber in Thorold 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 Thorold?
What else should I check before hiring plumbers in Thorold?
Frequently Asked Questions
Who is the best plumber in Thorold?
Ideal Plumbing & Heating has the highest ProScore (60/100) among 5 plumbers in Thorold, 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 Thorold?
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 Thorold, 0 plumbers hold Elite-tier ProScores (81+), 0 are Trusted-tier (70+), and 4 are Good-tier (54+).
Are plumbers in Thorold 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. Of the top 5 plumbers in Thorold by ProScore, 1 is registered with WSIB according to ProScore’s records.
How many plumbers has ProScore scored in Thorold?
ProScore has scored 5 plumbers in Thorold, 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 Thorold?
Among 5 plumbers in Thorold, Ontario: 0 are Elite-tier (81+), 0 are Trusted-tier (70+), and 4 are Good-tier (54+). Together they average a ProScore of 54/100, with Ideal Plumbing & Heating leading at 60/100.
Plumbers near Thorold
The nearest Ontario cities with a ProScore page for this trade — a pro based nearby may cover your area.
Other trades in Thorold
Other trades with a ProScore page in Thorold, with the number of scored pros in each.