About Leviathan Plumbing
Licensed, insured, and trusted across the Greater Toronto Area — here's who we are, what we do, and why property owners keep calling us back.
Who Is Leviathan Plumbing?
Leviathan Plumbing is a full-service plumbing company serving homeowners, landlords, and commercial property owners across the Greater Toronto Area. From small repairs to large-scale new construction, we handle every job with precision and professionalism.
For over a decade, we've built our reputation one job at a time — showing up when we say we will, working clean, and communicating clearly from start to finish. It's a simple standard, and it's the reason property owners across the GTA keep calling us back.
Today, our licensed, Red Seal certified plumbers handle everything from a leaking faucet to full mechanical installs — for houses, condos, rental units, plazas, offices, and new builds alike. Whatever the property, the standard never changes.
The Leviathan standard — done right, every time
Whether it's a leaking fixture or a full mechanical install, we bring the same expertise, reliability, and respect for your property to every job. We show up on time, keep the site clean, explain what we're doing, and stand behind our work.
Full-Service Plumbing, One Trusted Team
From emergency repairs to new-construction rough-ins, our plumbers cover the full range of residential and commercial work across the Greater Toronto Area — from Toronto and Mississauga to Vaughan, Markham, Oshawa, and Hamilton:
Frequently Asked Questions
Is Leviathan Plumbing licensed and insured?
Yes. Leviathan Plumbing is a fully licensed, Red Seal certified plumbing company carrying full commercial liability insurance. Red Seal certification means our plumbers have met a nationally recognized standard of trade competency, and every repair and installation we complete is done to the Ontario Building Code — inspected and signed off where required — across the Greater Toronto Area.
What areas do you serve?
We serve the entire Greater Toronto Area and the surrounding regions, including Toronto, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Oakville, Burlington, Oshawa, Ajax, Whitby, Pickering, Hamilton, and Innisfil. If you are anywhere across the GTA — the York, Peel, Durham, or Halton region — our plumbers can help.
Do you handle both residential and commercial plumbing?
Absolutely. Our plumbers work across every property type — single-family homes, condos, and rental units on the residential side, and plazas, offices, mixed-use buildings, and full new-construction projects on the commercial side. Whether it is a single leaking fixture or a complete mechanical rough-in, we bring the same standard of care to every job.
What plumbing services do you offer?
We cover the full range of plumbing: repairs and replacements, drain cleaning, HD camera inspections, water heater installation, pipe and riser replacement, bathroom and kitchen renovations, suite outfitting, and complete new-construction rough-ins. You can explore each of these in detail on our services page.
How do I get a quote?
Getting a quote is simple — call us at (647) 241-6533 or send a message through our contact page with a few details about your project. We respond within one business day and there is no obligation. For urgent issues, calling is the fastest way to reach our team.
What Our GTA Clients Say
“Exceptional work from start to finish. They replaced all the plumbing in our 1960s home and the team was professional, clean, and on schedule.”
Michael R. — Toronto, ON
“Reliable and detail-oriented. They outfitted the plumbing for our entire basement suite and it passed inspection on the first try.”
Sarah K. — Mississauga, ON
