Commercial Plumbing in Hamilton

Licensed and insured commercial plumbers serving Hamilton, Burlington, Ancaster, Dundas, Stoney Creek, Grimsby, Binbrook, Caledonia, and Niagara Falls. Fast response for leaks, clogged drains, washroom issues, water heaters, and emergency shutdowns. Clear scope and pricing, with minimal downtime for your business.

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greg's team discussing and planning commercial project scope
  • Same-day service
  • Licensed & insured
  • 225+ local reviews
Our services

Commercial Plumbing Services We Handle in Hamilton

From compliance testing to emergency repairs, Greg’s Plumbing and Heating helps Hamilton businesses, property managers, restaurants, and commercial buildings keep plumbing systems safe, reliable, and operational.

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Commercial Drain Cleaning and Hydro Jetting

Slow floor drains, recurring clogs, sewer backups, grease buildup, roots, sludge, and blocked mains need more than a quick snake. We provide commercial drain cleaning and hydro jetting for Hamilton restaurants, plazas, industrial sites, and multi tenant buildings.

Commercial drain cleaning and hydro jetting

Grease Trap and Interceptor Service

Restaurants, cafés, commercial kitchens, and food service buildings need grease systems that stay clear and compliant. We handle grease trap cleaning, interceptor service, installation support, emergency grease drain calls, and maintenance planning.

Grease trap and interceptor service

Commercial Water Heaters and Boilers

No hot water or heating problems can disrupt tenants, kitchens, washrooms, staff, and daily operations. We repair, replace, and maintain commercial water heaters, boilers, tankless systems, and heating equipment for Hamilton area buildings.

Commercial water heater and boiler service

Backflow Prevention

Commercial, industrial, institutional, and multi tenant properties need proper backflow protection to reduce cross connection risk. We provide backflow testing, repair, replacement, installation, and prevention support for Hamilton buildings.

Backflow prevention service

Leak Repair

Active leaks in ceilings, walls, kitchens, washrooms, mechanical rooms, and service areas can damage the property fast. We isolate the source, stop the water, and complete the repair properly so the issue does not keep returning.

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Washroom Plumbing

Running toilets, weak flushes, clogged urinals, broken flush valves, leaking shutoffs, and washroom drain issues create complaints quickly in commercial buildings. We restore service and help reduce repeat calls.

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Industries We Commonly Help in Hamilton

From compliance testing to emergency repairs, Greg’s Plumbing and Heating helps Hamilton businesses, property managers, restaurants, and commercial buildings keep plumbing systems safe, reliable, and operational.

Restaurants and Cafés

Fast help for grease related drain issues, clogged kitchen drains, washroom plumbing, leaks, and commercial hot water problems that can interrupt service.

Property Managers and Multi Unit Buildings

Coordinated plumbing support for tenant complaints, shared drains, sewer backups, boiler and hot water issues, backflow prevention, and maintenance records.

Warehouses and Light Industrial

Commercial plumbing for floor drains, utility sinks, shutoff valves, water lines, sewer issues, backflow devices, and larger building plumbing systems.

Retail and Storefronts

Plumbing repairs for retail plazas, storefronts, salons, and service businesses, including drain cleaning, fixture leaks, washroom issues, and shutoff repairs.

Clinics and Care Facilities

Reliable plumbing support for clinics, care facilities, and institutional buildings where safety, clean work areas, hot water, and minimal disruption matter.

Offices and Professional Buildings

Quiet commercial plumbing service for office washrooms, break rooms, mechanical spaces, leaks, drains, water heaters, and ongoing maintenance needs.

FAST SERVICE FOR HAMILTON BUSINESSES

Blocked washrooms, floor drains, kitchen sinks, or recurring clogs can shut down your day. We schedule as quickly as possible, coordinate access with staff or property managers, and keep the work area clean and professional.

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Get us on site faster

A few details upfront helps us bring the right parts, plan access, and cut downtime.

What is affected

Tell us what is not working: one fixture, one washroom, one unit, or the whole building. Mention any floor drains backing up or multiple slow drains.

Where is the shutoff

If safe, locate the closest shutoff (fixture valve, washroom isolation, or building main). If you cannot find it, we will handle it on arrival.

Any active water or damage

Let us know if water is spreading, dripping through ceilings, or near electrical rooms. If water is actively flowing, contain it and call right away.

Access and timing

Confirm who can grant access, where to park, and if there are locked mechanical rooms or after hours entry steps.

Photos help

If you can, take a quick photo of the fixture, the leak area, or the floor drain. It helps us prep parts and tools before we arrive.

Safety note

If you smell gas or suspect a gas issue, leave the area and call your gas utility from a safe location, then call us to coordinate next steps.

WHY HAMILTON BUSINESSES CHOOSE GREG’S

  • Same-day service across Hamilton & area
  • Licensed & insured in Ontario
  • Thorough diagnostics with clear options
  • Documentation that helps property managers
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Company Van - Greg's Plumbing & Heating - Commercial Plumbing, Residential Plumbing, Plumbing Repairs

Commercial plumbing FAQs

Yes, in many cases we can book a same day or next day visit in Hamilton and nearby towns. We confirm a short arrival window and send a text update when we are on the way.

Yes. We can coordinate with property managers, supers, and tenants, and we document what we found and what was completed so your maintenance records stay clean.

Often, yes. If your space is customer facing or you cannot shut down during business hours, ask for after hours options and we will confirm availability.

We diagnose first, then provide a written scope and clear options before work starts. Pricing depends on access, urgency, and what we find on site, but you will know the plan before we proceed.

The fastest dispatch happens when we have the site address, access instructions, a contact on site, and a quick description of the issue. Photos of the area or equipment help us bring the right parts the first time.

If only one sink or one toilet is affected, it is often a local blockage or a fixture issue. If multiple fixtures are slow, gurgling, or a floor drain is rising, that usually points to a main drain restriction.

We generally recommend avoiding them. They can damage older piping, create fumes in enclosed areas, and make the line harder and more dangerous to service.

Yes. Camera inspections are a smart next step when clogs keep returning, multiple drains are affected, or you want to confirm the condition of the line before spending more on repeat clearing.