Top 5 Plumbers
in Waterloo
We compared 5 Plumbers serving Waterloo, Ontario using publicly available business information, including customer reputation, local presence and documented services. Across the businesses featured here, documented specialties include Emergency plumbing, Drain cleaning, and Furnace installation and repair.
↗ Waterloo’s featured plumbers have a FiveBest Score above the Ontario benchmark.
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Dunn documents a Waterloo plumbing service line covering repairs, drains, water heaters, fixtures, pipe work, filtration and emergency calls. Its official page states that plumbing work is available for residential and commercial customers in the Waterloo region.
Furnace installation and repair · Air-conditioner installation and repair · Heat-pump installation and repair
For plumbing in Waterloo, Hammond Home Services by Enercare documents drain cleaning, camera inspections, leak and fixture repairs, main sewer drain clearing, and flood-prevention work including sump pumps and backwater valves. Residential and commercial plumbing capability is documented.
Drain cleaning and camera inspections · Leak, toilet, faucet and shower-valve repairs · Main sewer drain clearing
Whiteway Plumbing is a Waterloo plumbing business serving residential and commercial clients with installation, repair and maintenance work. Its documented offerings include emergency plumbing, leak detection, water filtration and commercial plumbing; the company describes itself as family-owned for more than 25 years.
Emergency plumbing · Leak detection · Water filtration
WaterSmart Systems & Plumbing operates from Lexington Road in Waterloo and documents plumbing work ranging from drain cleaning and fixture repairs to kitchen, bathroom, renovation and new-construction installations. Its licensed master plumbers also provide backflow device installation, repair and annual testing for eligible commercial properties.
Drain cleaning · Pipe and tap repair or replacement · Toilet, tub and shower repair or installation
Tiger Plumbing provides residential plumbing work in Waterloo, including repairs, drain cleaning and water-heater installation. Its official site also documents 24/7 availability for plumbing emergencies, plus bathroom fixture installation and repairs for issues such as clogged toilets, faucets and blocked sewers.
Plumbing repairs · Drain cleaning · Emergency plumbing
Waterloo plumbers score above the Ontario benchmark
Featured plumbers in Waterloo have a median FiveBest Score™ of 83/100, compared with 80/100 for featured plumbers across Ontario.
Among nearby FiveBest markets, plumbers in Kitchener (84/100) scores higher, while Guelph (78/100) scores below Waterloo, while Cambridge (83/100) is close to Waterloo.
Comparison based on profiles currently featured by FiveBest in this category with an available FiveBest Score™.
How we researched Plumbers in Waterloo
FiveBest reviews publicly available information for Plumbers serving Waterloo.
- Google rating and review history
- Documented services
- Years in business when available
- Waterloo and surrounding service coverage
- Business website and online presence
- Independent reputation signals when available
Research last updated: September 2026
Typical Service Price Ranges
Price ranges are based on typical industry averages. Actual costs may vary depending on the scope of work, materials, labour, property characteristics and local market conditions.
- Service call $120–$250
- Drain cleaning $180–$450
- Toilet install / replacement $250–$650
- Water heater installation $1,200–$3,500
- Emergency plumbing $180–$350/hr
Common Services
- Emergency plumber in Waterloo
- Drain cleaning in Waterloo
- Clogged drain repair in Waterloo
- Water heater repair in Waterloo
- Water heater installation in Waterloo
- Sewer line repair in Waterloo
How to Choose a plumber in Waterloo
Compare plumbers in Waterloo for emergency plumbing, clogged drain cleaning, sewer line repair, water heater installation and repair, leak detection, burst pipe repair, sump pump service, toilet repair and residential or commercial plumbing. FiveBest helps users compare selected local plumbing companies in one place.
Compare selected plumbers in Waterloo for emergency plumbing, drain cleaning, water heater repair, leak detection, sewer work, sump pumps and pipe repairs.
Ask what is causing the leak, blockage, pressure issue or equipment failure before approving major replacement.
Confirm the plumber or contractor meets licensing requirements that apply to the work and location.
Confirm labour, materials, fixtures, diagnostic charges and emergency or after-hours fees.
For larger alterations or replacements, ask whether permits or inspections are required and who handles them.
For fixtures, pumps or water heaters, confirm model, capacity, efficiency, warranty and installation requirements.
Confirm workmanship and product warranties plus what happens if the issue returns after service.
What Affects Plumbing Costs
- Type of plumbing problem
- Diagnostic time
- Accessibility
- Pipe or fixture materials
- Drain blockage severity
- Equipment or fixture replacement
- Permits and inspections
- Emergency or after-hours service
- Water damage or related repairs
Questions to Ask a Plumber
- What is causing the plumbing problem?
- Does the quote include labour, materials and diagnostic charges?
- Are permits or inspections required?
- What fixture, pipe or equipment specifications are included?
- Are there alternatives to full replacement?
- What workmanship and product warranties apply?
- Are emergency or after-hours fees different?
- How will the work area be protected and cleaned?
Frequently Asked Questions
Plumbing costs in Waterloo vary according to the service, urgency, labour time, required materials and accessibility of the problem. Emergency calls, sewer repairs and major pipe work generally cost more than routine fixture repairs.
Many plumbing companies offer emergency service for burst pipes, major leaks, sewer backups, overflowing fixtures and loss of water. Availability and after-hours rates should be confirmed directly.
Plumbers and drain-cleaning companies can inspect and clear clogged sinks, toilets, showers, floor drains and main sewer lines using tools appropriate to the location and severity of the blockage.
Many plumbers diagnose water-heater problems, replace components and install new tank or tankless systems. Ask whether the company services your fuel type and particular model.
Call promptly when a leak is active, recurring, hidden behind a wall, affecting water pressure or causing stains, mould, damage or unusually high water use.
Compare licensing where applicable, insurance, experience with the specific problem, written estimates, emergency availability, warranties, service area and recent customer reviews.