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Prostream Mechanical

Updated 2026-08-13 · 10,714 reviewed · 300 listed · Scored from 76 Google reviews · How we rank ›

5.0(76) 85 composite score See reviews on Google ✓ Google-verified
Leak Detection & Pipe RepairWater Heater Installation & RepairDrain & Sewer CleaningEmergency PlumbingPlumber

Google-verified76 Google reviewssince 2013

Prostream Mechanical
Services
Leak Detection & Pipe Repair, Water Heater Installation & Repair, Drain & Sewer Cleaning
Reviews
76

What recent reviews say

Prostream Mechanical earns 5-star consistency on emergency calls, drain backups, and complex repairs, with reviewers noting staff solve problems other plumbers missed. Spencer and his crew handle everything from same-day emergency response to toilet installs and sewer line work, leaving spaces spotless and explaining prevention steps before leaving.

Praised for
  • fast response and on-time arrival
  • skilled troubleshooting and problem-solving
  • professional and courteous staff
  • reliable repeat service
  • trustworthy and honest assessment
punctualskilled-staffresponsivereliablehonest-assessmentclean-workquick-response
Best for: Homeowners and businesses needing emergency drain backup response and complex plumbing diagnosis.

Strengths

  • Quick response to emergency calls and backups
  • Solves problems other plumbers missed
  • Consistent same-day or next-day scheduling
  • Clean work and preventive education included

Worth knowing

  • Spencer (owner/lead technician) has 5+ year relationships with commercial and residential clients
  • Corey and Siraz named for thorough work
  • Routinely fix mistakes from previous plumbers
  • Emergency response on late Saturday nights, under 2 hours
  • Drain camera inspection capability
  • Sump pump and backwater valve installation offered

What reviews say by service

Emergency Plumbing
Multiple late-night and weekend response calls under 2 hours, highly praised for speed and diagnosis.
Drain & Sewer Cleaning
Kitchen sink clogs and main drain backups resolved efficiently; reviewers note faster problem-solving than competitors.
Leak Detection & Pipe Repair
Sewer line issues and complex plumbing diagnosis; reputation for finding root causes others missed.
Water Heater Installation & Repair
Listed as core service but no specific review commentary on water heater work.
Plumber
Toilet installation praised for professionalism, cleanliness, and same-day or next-day scheduling.

How it compares

  • Rated 5 against a 4.85 average across the 166 drain & sewer cleaning businesses listed here.
  • Has more Google reviews than 63% of the businesses in this directory.

How we scored this

How We Score
Star rating 97
Review volume 82
Review recency 83
Review sentiment 81
Profile completeness 75
Verification 30

Rating breakdown

5
76
4
0
3
0
2
0
1
0

Common questions

Can Prostream come out on weekends or nights?
Yes, they offer 24/7 emergency repair services. A reviewer reported Spencer arriving on a late Saturday night for a main drain backup.
Do they work with restaurants and businesses?
Yes. Spencer maintains multi-year service partnerships with a restaurant group in downtown Toronto and other commercial clients.
What if another plumber couldn't fix my problem?
Reviewers report Prostream regularly diagnoses and repairs issues previous plumbers missed, including complex sewer line problems.
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Last updated 2026-08-13