25 years of experience in commercial, residential and high rise buildings across the Greater Toronto Area.
Full residential and commercial plumbing repairs and new installations. Fixtures, supply lines, rough-in work, and complete system fit-outs.
Fast clearing of blocked drains — kitchen, bathroom, floor drains, and building stack lines. Snaking and hydro-jetting available.
Repair and replacement of leaking toilets, faucets, shut-off valves, and supply lines. Stop water waste before damage spreads.
Repair and replacement of cold and hot water supply lines, building mains, and risers. Copper, PEX, and galvanized pipe expertise.
Camera inspection, root cutting, pipe relining, and full sewer line excavation and replacement. Underground and in-building drain stacks.
Supply, install, and service sump pumps and backup systems for basements and underground parking garages.
24-hour emergency response for frozen or burst pipes. Safe thawing, pipe repair, and insulation upgrades to prevent recurrence.
Gas and electric water heater installation, replacement, and repair. Residential tanks, commercial units, and high-rise systems.
CCTV sewer line camera inspection to pinpoint blockages, cracks, root intrusion, and pipe deterioration — before digging begins.
High-pressure hydro-jetting to clear grease, scale, and debris from drain lines. Ideal for garages and building stack maintenance.
25+ years specializing in high-rise towers — stack replacement, riser upgrades, backflow preventers, and complete boiler system overhauls.
Water and fire damage restoration plumbing. Full system assessment, repair, and documentation for insurance claims and property managers.
Pump truck cleaning for underground garages, catch basins, grease traps, and holding tanks. Regular maintenance contracts available.
Installation, testing, and certification of multi-check and reduced-pressure backflow preventers to protect the municipal water supply.
Golden Key Plumbing Inc. has been serving the Greater Toronto Area for over 25 years. Based at 3400 Midland Ave Unit 4, Scarborough, our team specializes in commercial, residential, and high-rise buildings — delivering expert plumbing and heating solutions on every job.
Real projects across the Greater Toronto Area. Click any photo to view full size.
Simple, transparent, and professional from first call to final inspection.
Call, email, or fill out our form. We respond within the hour during business hours — immediately for emergencies.
One of our senior technicians visits your building to diagnose the issue and assess scope — at no charge.
You receive a clear written quote with itemized costs, timeline, and scope. No surprises, no vague estimates.
Our certified team completes the work to code, on schedule, with final inspection and all documentation provided.
Golden Key handled a full stack replacement in our 22-storey building with minimal disruption to residents. Their crew worked efficiently and kept us updated throughout. Exceptional professionalism.
We had a heating pump failure at 2am in January. Golden Key had a technician on-site within 45 minutes and the system was back online before morning. Truly impressive emergency response.
Competitive pricing, on-time, and the quality of their copper work is immaculate. They installed our entire building's sub-metering system flawlessly. Highly recommended for any large-scale project.
Whether it's an emergency call or a planned project, our team is ready to help. Serving Toronto and the Greater Toronto Area.