Need a plumber in Markham who respects your space and schedule? Plumbing Service Ontario helps homes, rentals, and small businesses across Unionville, Thornhill, Cornell, Berczy Village, and Box Grove. We handle repairs, upgrades, maintenance, and new installs—with easy scheduling, evenings, and weekends available. Your trusted plumber Markham team is ready.
We serve all of Markham, including Unionville, Thornhill, Cornell, Berczy Village, Cathedraltown, and Markham Village. Licensed technicians handle repairs, maintenance, and installations for houses, condos, and shops with same-day options and weekend appointments. Share your postal to confirm coverage and receive a clear arrival window with upfront pricing.
Disclaimer: Coverage changes over time—share your address and we’ll confirm.
Unionville, Thornhill, Cornell, Berczy, Markham Village—plus nearby roads on request.
Emergency, repairs, and installs—with clear ETAs & live updates.
Fully equipped for residential and commercial plumbing across Markham.
| Neighborhood | Common Requests | Fastest ETA | Landmark/Postal |
|---|---|---|---|
| Unionville | Faucet rebuilds, toilet repairs, fixture swaps | 35–45 min | Main St Unionville, L3R |
| Thornhill (Markham) | Kitchen lines, shutoffs, dishwasher hookups | 45–60 min | Thornhill Green, L3T |
| Cornell | Valve sets, trim kits, bath/shower installs | 45–60 min | Markham Stouffville Hosp, L6B |
| Berczy Village | Pressure balance, repipes, quiet-pipe fixes | 45–60 min | Berczy Park, L6C |
| Markham Village | Drain cleaning, stack service, wax seals | 45–60 min | Main St Markham, L3P |
| Box Grove | Laundry hookups, hose bibs, inspections | 45–60 min | 14th Ave corridor, L6B |
| Cathedraltown | Supply lines, shutoff labeling, neat finishes | 45–60 min | Cathedral of the Transfiguration, L6C |
| Wismer/Greensborough | Kitchen/bath maintenance, trap and P-trap sets | 45–60 min | Wismer Park, L6E |
Tell us your street or postal code for quick verification and a time window.
Choose a same-day slot or an evening/weekend visit that fits your calendar.
Itemized, upfront pricing, a written estimate, and tidy cleanup when we’re finished.
We know Markham homes, condos, and bylaws.
Same-day, evening, and weekend appointments.
Upfront, itemized quotes before any work starts.
Fully certified in Ontario.
Shoe covers, drop cloths, and tidy finishes.
Homeowners, landlords, restaurants, and retail.
We’ve supported Markham families and businesses for years with clear communication and steady arrival times. Our licensed technicians carry ID, wear uniforms and shoe covers, and provide a written estimate before work starts. Most visits fall within a one-to-two-hour window across the city.
Recognized standards that guarantee safety, quality, and eco-friendly plumbing solutions.
“On time and tidy near Main Street.”
“Kitchen lines fixed right the first visit.”
“Helpful with condo access and paperwork.”
“Neat valve work and clear labels.”
“Good communication and fair price.”
“They protected floors and cleaned up well.”
“Weekend booking made it easy.”
A century home near Toogood Pond had pressure swings and dated shutoffs. We balanced fixtures, replaced supply lines, and added labeled valves. Result: steady flow, quieter pipes, and a simple plan for future maintenance.