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PRO-ON Plumbing Inc.

Updated 2026-08-13 · 10,714 reviewed · 300 listed · Scored from 30 Google reviews · How we rank ›

4.5(30) 77 composite score See reviews on Google ✓ Google-verified
Emergency PlumbingBackflow Prevention & TestingPlumberDrain & Sewer Cleaning

Google-verified30 Google reviews

PRO-ON Plumbing Inc.
Services
Emergency Plumbing, Backflow Prevention & Testing, Plumber
Reviews
30

What recent reviews say

Most jobs go smoothly: technicians arrive on time, diagnose issues quickly, and complete work with careful attention. Oni, a named technician, earns repeated praise for reliability and honest pricing across multiple projects. However, three one-star reviews flag serious concerns: one installation used the wrong pipe size and flooded a floor, another left the site uncleaned, and a third failed to address the root cause of a leak, requiring a second call days later.

The business handles emergency calls, drain cleaning, sewage pump installation, and leak detection. They claim licensing and insurance across North York, Toronto, Scarborough, and surrounding areas. The risk is real-when something goes wrong, it goes wrong visibly.

Praised for
  • skilled and respectful technicians
  • honest assessment, no overcharging
  • punctual arrival and quick diagnosis
  • clean work, attention to detail
  • responsive and easy to communicate with
Watch-outs
  • wrong pipe size installed, caused flooding
  • poor cleanup after job
  • incomplete work, problem returned
punctualskilled-staffclean-workresponsivehonest-assessmentfair-pricingmessy-work
Best for: Homeowners in older properties needing reliable leak detection, drain work, or water line replacement.
Think twice if: Three one-star reviews document critical failures: wrong pipe size causing flooding, uncleaned worksites, and incomplete repairs requiring callback.

Strengths

  • named technician (Oni) with long track record
  • no-pressure assessment and honest pricing
  • responsive on emergency calls
  • attention to detail and testing on complex jobs

Worth knowing

  • Oni is the named technician praised across multiple reviews spanning years
  • Sewage pump installation and replacement are specifically praised
  • One review notes copper water line replacement, bathtub work, and pipe relocation with testing
  • One-star review reports wrong pipe size installed, causing floor flooding
  • One-star review reports technician left site uncleaned with debris and tools
  • One-star review reports leak work addressed only surface symptoms, problem recurred in two days

What reviews say by service

Emergency Plumbing
Fast response praised; one recent review documents incomplete diagnosis requiring callback.
Drain & Sewer Cleaning
Sewage pump installation completed cleanly and to spec in multiple reviews.
Leak Detection & Pipe Repair
Mixed: one review praises detection work; another reports surface-level diagnosis that missed root cause.

How it compares

  • Rated 4.5 against a 4.85 average across the 166 drain & sewer cleaning businesses listed here.
  • Has more Google reviews than 43% of the businesses in this directory.

How we scored this

How We Score
Star rating 77
Review volume 65
Review recency 91
Review sentiment 67
Profile completeness 100
Verification 30

Rating breakdown

5
26
4
0
3
0
2
0
1
4

Common questions

Is PRO-ON Plumbing licensed and insured?
Their website states they are licensed and insured.
What areas do you serve?
Their website lists North York, Toronto, Don Mills, Scarborough, Etobicoke, East York, Vaughan, and Markham.
Can you do emergency plumbing calls?
Yes, emergency plumbing is listed as a service, and reviews confirm fast response times.
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Last updated 2026-08-13