Skip to main content
Menu
Find a Contractor
PlumbersElectriciansHVACRoofersGeneral ContractorsDrywallersKitchen RemodelingBathroom RemodelingPest ControlTree ServiceLandscaping
Resources
Homeowner HubHow-To GuidesFirst 90 DaysHiring GuidesCost GuidesCompare ContractorsCoverage MapAsk ProScore AIFAQ
For Pros
Pro ResourcesVerify Your ProfileClaim your free listingImprove Your Score
Leave a ReviewVerify Your Profile
support@proscore.ca

Plumbers in Ontario

2,001 plumbers in Ontario with multi-platform trust scores.

Top-rated plumbers in Ontario

  1. 1Eco-Pro Plumbing & Drains Inc.· Cambridge92/100
  2. 2Mr. Rooter Plumbing of Cambridge· Cambridge92/100
  3. 3Mr. Rooter Plumbing of London ON· London92/100
  4. 4Mr. Rooter Plumbing of Guelph· Guelph89/100
  5. 5Mr. Rooter Plumbing of Kitchener· Kitchener89/100
  6. 6ExpressRooter Plumbing· Mississauga88/100
  7. 7Leaside Plumbing and Heating Ltd· Toronto88/100
  8. 8MTAC Plumbing· Kitchener88/100
  9. 9Plumbs Up Plumbing & Drains· Orangeville88/100
  10. 10Premier Plumbing· East York88/100

Loading the full 2,001-contractor list…

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. Ask for their Certificate of Qualification number and check it on the Skilled Trades Ontario public register.
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.

Plumbers by city

113 Ontario cities have a ProScore page for plumbers. The number beside each is how many we score there.

A

B

C

D

E

F

G

H

I

K

L

M

N

O

P

R

S

T

U

V

W

Y

Browse every Ontario city →

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.