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Ontario Plumbing & Mechanical LTD

Updated 2026-09-13 · 11,245 reviewed · 301 listed · Scored from 6 Google reviews · How we rank ›

5.0(6) 75 low data composite score See reviews on Google ✓ Google-verified
Emergency PlumbingLeak Detection & Pipe RepairWater Heater Installation & RepairPlumberDrain & Sewer Cleaning

Google-verified6 Google reviews

Ontario Plumbing & Mechanical LTD
Location
Mississauga
Services
Emergency Plumbing, Leak Detection & Pipe Repair, Water Heater Installation & Repair
Reviews
6
Ranking
#204 in Emergency Plumbing
Best for
Homeowners and businesses needing fast, transparent emergency plumbing across the GTA.

Core details are sourced from this business's Google Business Profile (checked 2026-09-13). Website-sourced details were fetched 2026-09-13.

What reviewers think

All six reviews are five-star. Customers praise on-time arrival, fast problem-solving, clear communication, and no surprise charges. Emergency response and willingness to go beyond the initial scope stand out as defining experiences.

Based on limited recent reviews, so treat this as low-confidence.

Praised for
  • punctual and efficient
  • responsive in emergencies
  • friendly and helpful
  • transparent pricing
  • quality work and care
punctualresponsiveskilled-stafffair-pricingupfront-quoteshonest-assessmentquick-responsewent-above-and-beyond
Best for: Homeowners and businesses needing fast, transparent emergency plumbing across the GTA.

Strengths

  • Same-day or rapid emergency response
  • No hidden charges or surprise fees
  • Thorough explanation of work and pricing
  • Available 7 days per week

Worth knowing

  • Their website lists camera inspections, system power-wash, high riser inspections, and back-up snakes among services
  • Seven-day availability stated in business hours

How it compares

  • Rated 5 against a 4.86 average across the 230 drain & sewer cleaning businesses listed here.
  • Has more Google reviews than 19% of the businesses in this directory.

How did this business earn its score?

How We Score
Star rating 91
Review volume 37
Review recency 100
Review sentiment 65
Profile completeness 100
Verification 30

Rating breakdown

5
6
4
0
3
0
2
0
1
0

Questions people ask

Are they available in an emergency?
Yes. One reviewer called them during an urgent situation and received responsive service. The business is listed as open 7 days per week.
Will I get a surprise bill?
No. A reviewer explicitly noted no surprise charges; another stated pricing was transparent and explained upfront.

Similar plumbers nearby

Rooter-Man
80

Rooter-Man

4.7(339)✓ Google-verified

Strong technicians like Jerome and Marko deliver fast emergency response and honest work, often at competitive rates. However, the business splits sharply on diagnostics: some reviewers praise transparent pricing and quick turnarounds, while others report shock at camera inspection fees (one cited $480 for drain camera alone), aggressive follow-up calls after high quotes, and incomplete troubleshooting that led to repeat visits and ceiling damage. The 90% five-star rate masks real tension between exceptional field work and frustrating business practices around diagnostics and pricing clarity. Service quality varies by technician and situation. Jerome handles emergency leaks and valve work smoothly within promised windows. Yet multiple one-star reviews describe being quoted $20,000 for work that needed only snaking, aggressive phone follow-up, and inadequate initial diagnosis (e.g., insufficient water depth when testing drains). After-hours emergency fees ($70 mentioned) are explained by staff but not always waived. The business appears strong on execution but weak on upfront honesty about total cost.

Emergency PlumbingWater Heater Installation & RepairDrain & Sewer Cleaning
PLUMBER ON DEMAND of MISSISSAUGA, ON
73

PLUMBER ON DEMAND of MISSISSAUGA, ON

4.2(450)✓ Google-verified

Most customers report arriving on time and conducting thorough repairs with clear explanations. The consistent friction point is pricing: some were charged steep diagnostic or after-hours fees that exceeded expectations or were not applied to the final bill as promised. A small number describe being over-quoted or given poor initial assessments, though the majority of recent work was completed successfully and tested. Specialists handled kitchen and bathroom fixtures, clogged drains, and leak detection. Licensed and insured, they serve Mississauga and surrounding GTA areas. Those satisfied praise the technician's knowledge; those burned mention surprise bills and, in rare cases, misdiagnosis that required a second opinion.

Emergency PlumbingDrain & Sewer CleaningLeak Detection & Pipe Repair
Coldstream Plumbing & Heating Ltd
87

Coldstream Plumbing & Heating Ltd

5.0(85)✓ Google-verified

Coldstream earns consistent five-star ratings for fast response, named technicians like Jahmar and Paul who explain work clearly, and trustworthy repairs. One significant complaint documents billing for incomplete work and a lien placed on the homeowner's property, raising concerns about pricing transparency and owner conduct despite the otherwise strong reputation. Property managers report decade-long partnerships and dramatic reductions in drain backups after annual maintenance programs. Staff arrive on time, quote upfront, and leave work areas clean. The business serves both emergency and planned jobs across residential and commercial buildings.

Emergency PlumbingBackflow Prevention & TestingLeak Detection & Pipe Repair

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Last updated 2026-09-13