Plumbing Company in Toronto & Richmond Hill · 24/7
Plumbing done right, the first time.
Licensed residential and commercial plumbers for repairs, re-pipes, water heaters and drains — on time, clean, and to code.
Plumbing and hydronic heating, under one roof
From a leaking valve to a complete mechanical room — five specialties, one accountable team.
01
Residential Plumbing
Repairs, re-pipes, water heaters, drains and new fixtures for GTA homes — done clean, on time and to code.
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02
Commercial Plumbing
Restaurants, retail, offices, schools and franchises — tenant fit-outs, grease interceptors, backflow and service contracts.
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03
Boiler Room Plumbing
Boiler installation, replacement and repair, mechanical-room design, near-boiler piping, pumps, zoning and controls.
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04
Heated Driveways & Snow Melting
Hydronic snow-melt systems for driveways, walkways, steps and ramps — designed, installed and commissioned in-house.
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05
Radiant In-Floor Heating
Hydronic radiant floors for homes, basements and garages — heat-loss design, manifolds, mixing and smart controls.
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Plumbing & Hydronic Heating · Toronto & GTA
Licensed plumbers and hydronic heating experts in Toronto and York Region
O Plus Plumbing is a plumbing company in Richmond Hill serving Toronto, Vaughan, Markham, Newmarket, Aurora and the rest of the GTA. Homeowners call us for residential plumbing services — leak repairs, re-piping, water heaters, drains and new fixtures — and businesses rely on us for commercial plumbing in Toronto, from restaurant and fast food plumbing to commercial restrooms and service contracts.
We are also hydronic heating specialists. We design and install boilers and boiler rooms, radiant floor heating and heated driveways and snow-melting systems — the systems most plumbing contractors subcontract out. One licensed team plans, installs and services everything, with a written price before work starts.
Wondering what a plumber costs in Toronto? Read our guide to plumber rates and job costs.
- 5.0★16 Google reviews
- 24/7Emergency response
- Licensed& fully insured
- $0Surprises — written prices
Residential PlumbingRepairs, re-pipes, water heaters, drains and new fixtures for GTA homes — done clean, on time and to code.
Commercial PlumbingRestaurants, retail, offices, schools and franchises — tenant fit-outs, grease interceptors, backflow and service contracts.
Boiler Room PlumbingBoiler installation, replacement and repair, mechanical-room design, near-boiler piping, pumps, zoning and controls.
Heated Driveways & Snow MeltingHydronic snow-melt systems for driveways, walkways, steps and ramps — designed, installed and commissioned in-house.
Radiant In-Floor HeatingHydronic radiant floors for homes, basements and garages — heat-loss design, manifolds, mixing and smart controls.
Why O Plus
One crew for the water, drains and heat in your building
O Plus Plumbing is a Richmond Hill plumbing and hydronic heating contractor. We install and repair plumbing for homes and businesses, and we design and build the systems most plumbers subcontract out: boiler rooms, radiant in-floor heating and heated driveways. One accountable team, from the first drawing to the last pressure test.
About our teamWritten price before we start
You approve a clear price first. No surprises on the invoice.
Licensed, insured, to code
Work done by licensed plumbers, with permits when the job needs one.
Real people, 24/7
Emergencies do not keep office hours — a person answers your call.
We fix the cause
Pressure, venting, slope, sizing — we solve why it failed, so it stays fixed.
From your call to a tested, working system
- 1
Call or send photos
Tell us what is happening. Photos help us arrive with the right parts.
- 2
On-site diagnosis
A licensed plumber finds the cause and walks you through the options.
- 3
Fixed written quote
You approve the price and the schedule before any work begins.
- 4
Clean, tested, done
We install, pressure-test, clean up and show you everything works.
Real jobs, real photos
Restaurants, franchises, mechanical rooms and homes across the GTA.
CommercialComplete Commercial Plumbing Installation for Meltwich Guelph & Mississauga
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CommercialFlawless Commercial Restroom Plumbing for Turtle Jack’s Mississauga
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CommercialComplete Plumbing Setup for King’s Chair Barbershop – Vaughan
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CommercialComplete Plumbing Installation for Jersey Mike’s Subs – Hamilton
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Snow MeltingDrive Way Snow Melting Projects
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Boiler & Mechanical RoomsBoiler Room Projects
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In-Floor HeatingRadiant in-floor heating system projects
View projectHomeowners and businesses trust us with their water and heat
Google
They are reliable and did the best job for me.
Google
Steve has completed a few jobs for us. It has always been a pleasure working with him, great workmanship and fair pricing. Thank you Steve!
Google
Very professional, very punctual and fast, one of the best customer service and quality in terms of material and job. Very skilled, I would recommend to anyone who is in need of plumbing!
Google
Great quality of work by Steve and his team. He was professional, efficient and finished the job in a timely manner. I would definitely recommend him. Thanks for the great work.
Google
Would recommend FIRST! I had a faucet that needed repair. I called 3 plumbers and none could figure out how to even get the faucet handles removed. I was referred to OPlus Plumbing and I spoke with David. He was here in no time, immediately figured out what had to be done, had all the necessary tools on hand and…
Google
We were very happy with this company. It was late at night on a holiday and they were at our home within 2 hours notice. They came ready with all the materials and tools to do the repair of our kitchen sink and made the work seem so easy. The plumber was very efficient and very professional. Will use again…
Google
Davood and Fazel did our entire plumbing from underground drain and sewage pump to all 4 bathrooms, kitchen and basement kitchenette. Super professional services and very caring. I would absolutely recommend them for any minor or major plumbing job. They were responsive to us at any stage. Even after they finished their job, other contractors damaged the water pipes and…
Service area
Based in Richmond Hill, working across the GTA
Our crews cover York Region, Toronto and the surrounding cities every day — for emergencies, service calls and full projects.
- Richmond Hill
- Toronto
- Vaughan
- Markham
- Newmarket
- Aurora
- Thornhill
- King City
- Stouffville
- Mississauga
- Brampton
- Oakville
- Guelph
Straight answers from licensed plumbers
Heating Systems
Thermal Response and Performance of Radiant In-Floor Heating Systems
As energy efficiency and occupant comfort become central priorities in modern building design, radiant in-floor heating systems have gained substantial…
General Plumbing
Understanding and Comparing Commercial Plumbing Systems
Plumbing is a foundational infrastructure element in any built environment, essential for ensuring clean water supply and effective wastewater removal.…
Heating Systems
Save Your Monthly Expenses with an In-Floor Heating System
Home heating is one of the most significant expenses for homeowners, especially in colder climates where systems run for months…
Free quote · fast response
Have a plumbing or heating problem right now?
Call us — a real person answers, 24 hours a day. Or send a few details and photos and we will reply with next steps and a quote.
- Licensed & Insured
- 24/7 Emergency Service
- Free On-Site Quotes
- Workmanship Guarantee