Plumbers in Chatham
13 plumbers in Chatham with multi-platform trust scores.
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Who is the best plumber in Chatham, Ontario?
The most trusted plumber in Chatham, Ontario is Postma Heating and Cooling, with a ProScore of 80/100. ProScore has scored 13 plumbers in Chatham across 10+ data sources and 20+ trust signals. 4 of the 13 are Trusted-tier (70+) or higher.
Trust scores last computed between August 30, 2026 and September 19, 2026.
Which plumbers in Chatham score highest?
All 13 scored plumbers in Chatham, ranked by ProScore.
ProScore scores 13 plumbers in Chatham, and their average score is 66 out of 100. 4 of them reach the Trusted threshold of 70 or higher. 5 are registered with WSIB and 3 hold a TSSA licence. 13 have Google reviews on file — 3,502 reviews in total, and 8 carry a Better Business Bureau rating.
Postma Heating and Cooling ranks 1st of the 13 plumbers ProScore scores in Chatham, holding a ProScore of 80 out of 100 (Trusted tier). Its score draws on 1,495 Google reviews averaging 4.9 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
Evolved Plumbing & Mechanical ranks 2nd of the 13 plumbers ProScore scores in Chatham, holding a ProScore of 74 out of 100 (Trusted tier). Its score draws on 75 Google reviews averaging 4.9 out of 5. Public records show it is registered with WSIB and licensed by the TSSA.
Superior Plumbing & Heating of Chatham ranks 3rd of the 13 plumbers ProScore scores in Chatham, holding a ProScore of 70 out of 100 (Trusted tier). Its score draws on 84 Google reviews averaging 4.9 out of 5.
Willie G's Master Plumber Services ranks 4th of the 13 plumbers ProScore scores in Chatham, holding a ProScore of 70 out of 100 (Trusted tier). Its score draws on 52 Google reviews averaging 4.6 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
Reliance Heating, Air Conditioning & Plumbing ranks 5th of the 13 plumbers ProScore scores in Chatham, holding a ProScore of 68 out of 100 (Good tier). Its score draws on 1,443 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+.
Royal Flush Plumbing Service ranks 6th of the 13 plumbers ProScore scores in Chatham, holding a ProScore of 68 out of 100 (Good tier). Its score draws on 71 Google reviews averaging 4.5 out of 5 and a Better Business Bureau rating of A+.
Habib Mechanical ranks 7th of the 13 plumbers ProScore scores in Chatham, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 6 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB and licensed by the TSSA.
Plumb Tech ranks 8th of the 13 plumbers ProScore scores in Chatham, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 235 Google reviews averaging 4.4 out of 5 and a Better Business Bureau rating of A+. Its ProScore has fallen since the previous recompute.
Harper Plumbing and Heating ranks 9th of the 13 plumbers ProScore scores in Chatham, holding a ProScore of 65 out of 100 (Good tier). Its score draws on 1 Google review averaging 5.0 out of 5 and a Better Business Bureau rating of A. Public records show it is licensed by the TSSA.
CKG Flow Plumbing ranks 10th of the 13 plumbers ProScore scores in Chatham, holding a ProScore of 63 out of 100 (Good tier). Its score draws on 3 Google reviews averaging 5.0 out of 5.
JP Carey Sewer and Drain Cleaning ranks 11th of the 13 plumbers ProScore scores in Chatham, holding a ProScore of 59 out of 100 (Good tier). Its score draws on 24 Google reviews averaging 4.7 out of 5. Its ProScore has risen since the previous recompute.
O'Phee Mechanical Ltd ranks 12th of the 13 plumbers ProScore scores in Chatham, holding a ProScore of 58 out of 100 (Good tier). Its score draws on 5 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB. Its ProScore has risen since the previous recompute.
JoVan Mechanical Plumbing & Heating Contractors Ltd ranks 13th of the 13 plumbers ProScore scores in Chatham, holding a ProScore of 50 out of 100 (Basic tier). Its score draws on 8 Google reviews averaging 4.3 out of 5 and a Better Business Bureau rating of A+. Its ProScore has risen since the previous recompute.
Of 13 plumbers in Chatham: 0 rated Elite (81+), 4 rated Trusted (70+), and 8 rated Good (54+).
How is a plumber's ProScore calculated?
Every plumber in Chatham 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 →Who are the top 3 plumbers in Chatham?
What else should I check before hiring plumbers in Chatham?
Frequently Asked Questions
Who is the best plumber in Chatham?
Postma Heating and Cooling has the highest ProScore (80/100) among 13 plumbers in Chatham, 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 Chatham?
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 Chatham, 0 plumbers hold Elite-tier ProScores (81+), 4 are Trusted-tier (70+), and 8 are Good-tier (54+).
Are plumbers in Chatham 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 13 plumbers in Chatham by ProScore, 5 carry active WSIB coverage.
How many plumbers has ProScore scored in Chatham?
ProScore has scored 13 plumbers in Chatham, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed between August 30, 2026 and September 19, 2026.
What's the ProScore distribution among plumbers in Chatham?
Among 13 plumbers in Chatham, Ontario: 0 are Elite-tier (81+), 4 are Trusted-tier (70+), and 8 are Good-tier (54+). The top 13 average a ProScore of 66/100, with Postma Heating and Cooling leading at 80/100.