Plumbers in Ontario
2,001 plumbers in Ontario with multi-platform trust scores.
Top-rated plumbers in Ontario
- 1Eco-Pro Plumbing & Drains Inc.· Cambridge92/100
- 2Mr. Rooter Plumbing of Cambridge· Cambridge92/100
- 3Mr. Rooter Plumbing of London ON· London92/100
- 4Mr. Rooter Plumbing of Guelph· Guelph89/100
- 5Mr. Rooter Plumbing of Kitchener· Kitchener89/100
- 6ExpressRooter Plumbing· Mississauga88/100
- 7Leaside Plumbing and Heating Ltd· Toronto88/100
- 8MTAC Plumbing· Kitchener88/100
- 9Plumbs Up Plumbing & Drains· Orangeville88/100
- 10Premier Plumbing· East York88/100
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Frequently Asked Questions
How much does a plumber cost in Ontario?
Plumbers in Ontario charge $110–$150 per hour, and many add a $50–$100 service-call fee that is usually credited to the job. Emergency and after-hours calls run 50–100% above standard rates. Common jobs: drain cleaning $250–$500, water heater installation $1,200–$3,000.
Do plumbers need to be licensed in Ontario?
Yes. Plumbers must complete an apprenticeship and hold a Certificate of Qualification. Check for proper licensing and WSIB coverage before hiring.
What should I ask a plumber before hiring?
Ask about licensing, WSIB insurance, warranty on work, written estimates, and whether they pull permits. ProScore verifies these factors automatically.
How do I find an emergency plumber in Ontario?
Search ProScore for plumbers in your city and filter by availability. Look for providers with 24/7 or emergency service indicators and high Trust Scores.
What does WSIB coverage mean for plumbers?
WSIB (Workplace Safety and Insurance Board) coverage protects you from liability if a worker is injured on your property. Always verify WSIB status before hiring.
From our research: Ontario contractors average a trust score of 54 of 100, and 74.7% of those rated 4.5 stars or higher fall below the Trusted bar — see the 2026 Trust Index.