Best Plumbers in Waterdown, Ontario
The most trusted plumber in Waterdown, Ontario is Clarence Smith Plumbing, with a ProScore of 61/100.
The most trusted plumber in Waterdown, Ontario is Clarence Smith Plumbing, with a ProScore of 61/100. ProScore has verified 5 plumbers in Waterdown, scoring each across 10+ data sources and 20+ trust signals. None of the 5 meet the Trusted-tier (65+) threshold yet.
Last updated: June 21, 2026 · Data refreshed daily
How ProScore Ranks Plumbers
Every plumber in Waterdown 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 →Top Rated Plumbers in Waterdown
Browse all plumbers in Waterdown →Frequently Asked Questions
Who is the best plumber in Waterdown?
Clarence Smith Plumbing has the highest ProScore (61/100) among 5 verified plumbers in Waterdown, 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 Waterdown?
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 Waterdown, 0 plumbers hold Elite-tier ProScores (80+), 0 are Trusted-tier (65+), and 3 are Good-tier (50+).
Are plumbers in Waterdown 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 5 plumbers in Waterdown by ProScore, 1 carry active WSIB coverage.
How many verified plumbers are in Waterdown?
ProScore has verified and scored 5 plumbers in Waterdown, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Data is refreshed daily.
What's the ProScore distribution among plumbers in Waterdown?
Among 5 verified plumbers in Waterdown, Ontario: 0 are Elite-tier (80+), 0 are Trusted-tier (65+), and 3 are Good-tier (50+). The top 5 average a ProScore of 47/100, with Clarence Smith Plumbing leading at 61/100.