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Caldwell Plumbing

Pickering plumbing and drain company serving Durham Region with basement flooding work, including sump pumps, backwater valves and weeping tile, and emergency service around the clock.

What they do

The company installs and services sump pumps, backwater valves and weeping tile, and it handles sewer backup prevention and drain cleaning for basements. Sump pump work covers installation, replacement and alarms, and a back-up power system can be added so a pump keeps running during an outage. Weeping tile is installed, inspected, repaired and replaced to keep groundwater moving away from the foundation. Emergency service is available around the clock, every day, and the business has operated since 1979 as a family-owned company. Free estimates are offered for residential and commercial plumbing, online estimate requests are accepted, and payment by credit card is possible. It serves Pickering and nearby areas including Ajax, Oshawa and Toronto.

Source: caldwellplumbing.ca (opens in a new tab)

  • Backwater valves
  • Sump pumps
  • Weeping tile
  • Sewer backup prevention

Listed under Basement flooding and sewer backup

Where they work

Oshawa, Ontario

What we checked

Checked 12 Nov 2026, from public sources.

Not yet verified. We haven’t contacted this business yet. Ask for a written quote before work starts.

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