Best Plumbers in Ottawa, Ontario
The most trusted plumber in Ottawa, Ontario is The Irish Plumber, with a ProScore of 84/100.
The most trusted plumber in Ottawa, Ontario is The Irish Plumber, with a ProScore of 84/100. ProScore has verified 51 plumbers in Ottawa, scoring each across 10+ data sources and 20+ trust signals. 5 of the 51 are Trusted-tier (70+) or higher.
Last updated: May 6, 2026 · Data refreshed daily
Of 51 plumbers in Ottawa: 1 rated Elite (82+), 8 rated Trusted (70+), and 26 rated Good (55+).
How ProScore Ranks Plumbers
Every plumber in Ottawa 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 Ottawa
Browse all plumbers in Ottawa →Frequently Asked Questions
Who is the best plumber in Ottawa?
The Irish Plumber has the highest ProScore (84/100) among 51 verified plumbers in Ottawa, 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 Ottawa?
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 Ottawa, 1 plumber holds Elite-tier ProScores (82+), 8 are Trusted-tier (70+), and 26 are Good-tier (55+).
Are plumbers in Ottawa 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 Ottawa by ProScore, 5 carry active WSIB coverage.
How many verified plumbers are in Ottawa?
ProScore has verified and scored 51 plumbers in Ottawa, 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 Ottawa?
Among 51 verified plumbers in Ottawa, Ontario: 1 is Elite-tier (82+), 8 are Trusted-tier (70+), and 26 are Good-tier (55+). The top 5 average a ProScore of 81/100, with The Irish Plumber leading at 84/100.