Comprehensive Commercial Plumbing Services in Markham, ON – Trusted Local Contractors
We provide commercial and industrial plumbing services, including maintenance, emergency repairs, and installations. Our experienced team ensures fast service and full code compliance, minimizing downtime for your business.
Fast, Same-Day Service for Minimal Disruption
Expertise in Restaurants, Offices, Retail & More
Preventative Maintenance to Avoid Costly Repairs
Licensed, Insured & Code-Compliant Work |
Utilization of Advanced Tools for Efficient and Precise Service
Trusted by Local Businesses & Property Managers
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Signs Your Commercial Plumbing Needs Immediate Attention
Smooth business operations in Markham depend on reliable plumbing systems. Watch for warning signs that require immediate attention — recurring clogs or slow drains that interrupt workflow, low water pressure pointing to deeper problems, strange noises from pipes, or unexplained leaks. Frequent backups can also result in code violations and potential downtime.
Quick action by qualified commercial plumbers that helps avoid costly repairs and interruptions. If any of these issues sound familiar, book an inspection today to keep your business fully operational and compliant.

Preventive & Scheduled Maintenance for Businesses in Markham, Ontario
Preventive maintenance is key to avoiding plumbing emergencies and costly disruptions. Routine drain and pipe inspections catch small issues early, while grease-trap cleaning — especially for restaurants — prevents buildup and clogs. Regular fixture maintenance and boiler or water heater servicing improve efficiency and reliability.
Backflow testing is equally important for local compliance and safe water quality. With scheduled maintenance, you’ll extend the life of your system, reduce repair costs, and maintain uninterrupted service.
Request a commercial plumbing service to keep your operations running smoothly in Markham.
Drain & Pipe Cleaning Services
Clean and unobstructed pipes are essential for every commercial facility. We use high-pressure hydro-jetting and professional snaking to remove stubborn blockages, followed by CCTV inspections to identify damage or buildup inside your system.
Rely on expert Drain Cleaning & Unclogging services to maintain clean, efficient plumbing and prevent business interruptions before they start.
Leak Detection & Repair
Even a small leak can cause major property damage and safety concerns. Using advanced thermal imaging, acoustic sensors, and pressure testing, we quickly locate leaks in water, gas, or drainage lines — without unnecessary demolition.
Our Leak Detection & Repair team provides precise, non-invasive service that protects your facility, conserves water, and reduces costly downtime.

Equipment & Fixture Servicing
Commercial plumbing systems require consistent upkeep to operate efficiently. We maintain all key fixtures — sinks, urinals, toilets, and water heaters — as well as pumps, boilers, and backflow devices.
With expert Faucet & Fixture Installation/Repair and Toilet Repair & Installation, our team ensures reliable performance and extends the lifespan of your plumbing assets.
Emergency Commercial Plumbing Response
When plumbing problems strike, fast action is critical. Our rapid-response commercial plumbing team is available for immediate dispatch in Markham. We isolate the issue, minimize disruption, and provide temporary bypass solutions until full repairs are complete.
Depend on Emergency Plumbing services to restore function quickly and keep your operations on track. Contact us now for prompt assistance.
Common Commercial Plumbing Issues We Solve
- Clogs and backups — removed with hydro-jetting, snaking, and full inspection
- Low pressure — caused by buildup or faulty valves, fixed with cleaning and testing
- Leaks — identified with advanced diagnostics and repaired to meet code
- Hot water problems — resolved with Water Heater Repair & Installation
FlowCraft Plumbing Services Markham is your trusted commercial plumbing partner. We provide reliable, code-compliant maintenance and repair to keep your business running efficiently. Book a service today to ensure long-term system performance and peace of mind.
Serving Businesses Near You
We proudly serve commercial clients across Markham — from restaurants and offices to retail shops, schools, healthcare facilities, and industrial sites. Our focus is on minimal disruption, safety, and full regulatory compliance, helping your business stay open and productive at all times.
Our detailed documentation after each service supports your regulatory requirements and provides peace of mind. Rely on our commercial plumbing company for tailored solutions that meet your specific needs.
Contact us today for expert service and hassle-free solutions!
Why Rely on Our Expert Plumbers in Markham

Custom Solutions
Flexible Appointment Times
High-Quality Parts Used
Fast, Reliable Repairs
Reviews
Our kitchen line burst in the middle of service. I searched for commercial plumbers nearby, and this crew was on-site fast—isolated the leak, swapped the section, pressure-tested, and had us running the same shift. Total lifesavers!
2025-09-16
We needed an industrial contractor for a major process-piping overhaul at our facility. Their expertise demonstrated excellent coordination, safety compliance, and on-time, on-budget delivery. Rock-solid team.
2025-09-30
After persistent drainage issues, I hired a commercial plumbing company. They camera-inspected, gave a fair, detailed estimate, then cleared and repaired the line without fuss. Will absolutely call again.
2025-10-14
As a property manager, I rely on dependable commercial plumbers. This team is consistently responsive, thorough in their reports, and reliable for everything from quick fixes to major repairs.
2025-10-09
We brought them in to upgrade our office restrooms. From clear planning to neat installation, they staged work to minimize disruption and hit every deadline. Professional, punctual, and easy to work with.
2025-10-22
Markham Neighbourhoods We Serve
- Unionville
- Cornell
- Angus Glen
- Berczy Village
- Box Grove
- Greensborough
- Wismer
- Old Markham Village
- Raymerville
- Markville
- Cachet
- Buttonville
- Victoria Square
- Cathedral Town
- Milliken Mills East
- Milliken Mills West
- Thornhill
- Grandview
- Commerce Valley
- South Unionville
- Cedarwood
- Rouge Fairways
- Markham Village
- Sherwood-Amberglen
- Legacy
- Rougemount
- German Mills
- Quantztown
- Armadale
- Vinegar Hill