Skip to main content
Menu
Find a Contractor
Resources
For Pros
Leave a ReviewVerify Your Profile

Plumbers in Long Sault

2 plumbers in Long Sault with multi-platform trust scores.

Loading plumbers...

Who is the best plumber in Long Sault, Ontario?

The highest-scoring plumbers in Long Sault on ProScore are Upper Canada Plumbing - Cornwall (61/100) and Cotnam Plumbing Inc. (53/100). ProScore has scored 2 plumbers in Long Sault across 10+ data sources and 20+ trust signals. None of the 2 meet the Trusted-tier (70+) threshold yet.

Trust scores last computed October 13, 2026.

Which plumbers in Long Sault score highest?

All 2 scored plumbers in Long Sault, ranked by ProScore.

ProScore scores 2 plumbers in Long Sault, and their average score is 57 out of 100. 1 is registered with WSIB. 2 have Google reviews on file — 13 reviews in total, and 1 carries a Better Business Bureau rating.

1
61
Long Sault|★4.4
5 reviews

Upper Canada Plumbing - Cornwall operates 24/7 in Long Sault and handles plumbing repairs.

Upper Canada Plumbing - Cornwall ranks 1st of the 2 plumbers ProScore scores in Long Sault, holding a ProScore of 61 out of 100 (Good tier). Its score draws on 5 Google reviews averaging 4.4 out of 5 and a Better Business Bureau rating of A+.

2
53
Long Sault|★5.0
WSIB Verified8 reviews

Cotnam Plumbing Inc. ranks 2nd of the 2 plumbers ProScore scores in Long Sault, holding a ProScore of 53 out of 100 (Basic tier). Its score draws on 8 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB.

How is a plumber's ProScore calculated?

Every plumber in Long Sault 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 →

Frequently Asked Questions

Who is the best plumber in Long Sault?

Upper Canada Plumbing - Cornwall has the highest ProScore (61/100) among 2 plumbers in Long Sault, 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 Long Sault?

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 Long Sault, 0 plumbers hold Elite-tier ProScores (81+), 0 are Trusted-tier (70+), and 1 is Good-tier (54+).

Are plumbers in Long Sault 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 2 plumbers in Long Sault by ProScore, 1 is registered with WSIB according to ProScore’s records.

How many plumbers has ProScore scored in Long Sault?

ProScore has scored 2 plumbers in Long Sault, 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 Long Sault?

Among 2 plumbers in Long Sault, Ontario: 0 are Elite-tier (81+), 0 are Trusted-tier (70+), and 1 is Good-tier (54+). Together they average a ProScore of 57/100, with Upper Canada Plumbing - Cornwall leading at 61/100.

Plumbers near Long Sault

The nearest Ontario cities with a ProScore page for this trade — a pro based nearby may cover your area.

Other trades in Long Sault

Other trades with a ProScore page in Long Sault, with the number of scored pros in each.

All contractors in Long Sault →