Tab two: Local
Our Markham map: neighbourhoods we serve
Markham runs from Steeles to past Major Mackenzie and from Highway 404 to the Rouge. The plumbing changes by decade: cast iron and clay in the old villages, copper and poly-b in the 70s to 90s, ABS and PEX in the newer subdivisions.
- A plumber answers when you call
- Clear price before any pipe is cut
- Basements left as clean as we found them
- Work tested in front of you
- Licensed plumbers (details on request)
- Price agreed before work
- Call-only, no forms
- Tested before we leave



Areas at a glance
Jump to a group, then open the page that matches your job.
- 19th and early 20th century 3
- 1950s to 1960s 2
- 2000s and newer 2
- 1990s 2
- 1970s to 1980s 4
- Condos and stacked towns 1
19th and early 20th century
- Plumbers in UnionvilleMain Street heritage homes, Toogood Pond and older cast iron stacks
- Plumbers in Markham VillageMain Street North century homes and older clay sewer laterals
- Plumbers in Cornellnew-urbanist townhomes, laneways and the Cornell hospital area
1950s to 1960s
- Plumbers in Thornhill (Markham side)1960s-70s split levels near John Street and Bayview Glen
- Plumbers in Grandview1960s-70s homes near Bayview and Steeles
2000s and newer
- Plumbers in Cathedraltownnewer homes around the Cathedral of the Transfiguration
- Plumbers in Greensboroughnewer homes off Ninth Line and Bur Oak
1990s
- Plumbers in Berczy Village1990s-2000s family homes near Kennedy and 16th Avenue
- Plumbers in Legacy2000s homes near Box Grove Bypass and Rouge Park
1970s to 1980s
- Plumbers in Angus Glenlarge custom homes around the Angus Glen golf course
- Plumbers in Milliken Mills1970s-80s homes near Kennedy and Steeles
- Plumbers in German Mills1970s-80s homes beside the German Mills Creek ravine
- Plumbers in Markvillehomes near CF Markville and the Centennial GO
Condos and stacked towns
- Plumbers in Downtown Markhamcondos and towns near Enterprise Boulevard and Highway 7
Reading the map
Each neighbourhood page talks about the homes there: when they were built, the pipes they tend to have and the calls we get most. Older areas like Unionville and Markham Village have very different plumbing from Cornell or Wismer Commons.
Old town, new town
Markham grew in rings. Nineteenth-century cores along Main Street Unionville and Main Street Markham often keep their original cast iron stack, a clay sewer lateral and a few leftover runs of galvanized line. Postwar and 1970s subdivisions in Thornhill and Milliken Mills tend toward copper supply and, in some cases, early Poly-B. The big builds of the 1990s and 2000s in Berczy, Box Grove, Cornell and Cathedraltown brought PEX, ABS drains, sump pits and rough-ins waiting in the basement. Knowing which ring a street sits in tells us a great deal before we even park.
Seasons on the map
Spring melt keeps the Rouge valley streets busy with sump calls, July storms test backwater valves across the low ground, and January cold finds every outside tap that was never drained. Pick your neighbourhood above and read what we see there most.
The big builds of the 1990s and 2000s in Berczy, Box Grove, Cornell and Cathedraltown brought PEX, ABS drains, sump pits and rough-ins waiting in the basement.
From the job notes of Plumbers in Markham
How the job runs, start to finish
- 1
On the phone
Explain what the water is doing and where. We ask the age of the house and which valve or breaker to shut while we drive over.
- 2
Drop cloths down
Floors and cabinets get covered, the water or gas is isolated and the work area is lit.
- 3
Find the failed part
We open the trap, cleanout, access panel or wall where the fault is, and show you what we found.
- 4
Quote, then work
We explain what failed and what the fix costs; no cutting starts until you say yes.
- 5
Cut, fit, seal
Old parts come out, new pipe, valves or fixtures go in, and joints are soldered, pressed, crimped or glued.
- 6
Test and ticket
We run water, pressure-test or fire the heater, check for drips, clean up and leave a written ticket of what was done.