Top 5 Plumbers
in Ajax
We compared 5 Plumbers serving Ajax, Ontario using publicly available business information, including customer reputation, local presence and documented services. Across the businesses featured here, documented specialties include Drain cleaning, 24/7 emergency plumbing, and Emergency plumbing.
≈ Ajax’s featured plumbers have a FiveBest Score in line with the Ontario benchmark.
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Sewer Squad Plumbing is a full-service plumbing and drain contractor based in Ajax, with documented emergency, residential, commercial, sewer and drainage work.
Emergency plumbing · Drain cleaning · Hydro jetting
An Oshawa-based plumber serving Ajax and Durham Region with documented residential and business plumbing, drain, pump, backflow and renovation services.
Drain and sewer cleaning · Water service pipe replacement · Backwater valve installation
Delta Plumber Ajax lists 24/7 emergency plumbing from its 30 Boyd Crescent location, with services for drain and sewer problems, sump pumps, fixtures and water heaters. Its Ajax service page specifically describes camera inspections, drain snaking, hydro-jetting and trenchless sewer repair for more involved drainage issues.
24/7 emergency plumbing · Drain cleaning · Sewer and drain repair
The company website lists plumbing as part of its residential and commercial renovation services. This supports a moderate category fit for plumbing work incorporated into an interior renovation project in Ajax, such as a kitchen, bathroom or basement renovation. The website does not provide plumbing licence details.
Residential renovations · Commercial renovations · Home interiors
Caldwell Plumbing documents 24/7 emergency service in Ajax for issues such as burst pipes, water leaks, clogged drains and sewage backups. The Pickering-based company also provides drain cleaning, leak repairs, plumbing replacements and renovation plumbing for residential and commercial projects across Durham Region.
24/7 emergency plumbing · Drain blockage and backup clearing · High-pressure drain cleaning
Ajax plumbers are in line with the Ontario benchmark
Featured plumbers in Ajax have a median FiveBest Score™ of 79/100, compared with 80/100 for featured plumbers across Ontario.
Among nearby FiveBest markets, plumbers in Whitby (80/100) and plumbers in Oshawa (84/100) score higher, while Pickering (77/100) scores below Ajax.
Comparison based on profiles currently featured by FiveBest in this category with an available FiveBest Score™.
How we researched Plumbers in Ajax
FiveBest reviews publicly available information for Plumbers serving Ajax.
- Google rating and review history
- Documented services
- Years in business when available
- Ajax 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 Ajax
- Drain cleaning in Ajax
- Clogged drain repair in Ajax
- Water heater repair in Ajax
- Water heater installation in Ajax
- Sewer line repair in Ajax
How to Choose a plumber in Ajax
Compare plumbers in Ajax 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 Ajax 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 Ajax 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.