Pickering, Ontario

Foundation crack repair and wet basements in Pickering

From the post-war streets near Frenchman's Bay to Seaton's new subdivisions and the rural hamlets up north, Pickering homes crack and leak for different reasons. Here's what's common in each part of the city and how it usually gets fixed.

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Pickering homes and their foundations

Pickering's suburbs started in the south after the Second World War and spread north. The newest wave is Seaton, a planned community of about 21,000 homes, of which around 1,500 had been built by 2022. North of that, the city is still rural.

Where and whenTypical foundationWhat tends to go wrong
South Pickering by the lake: Bay Ridges, West Shore, RosebankBlock and early poured concrete from the post-war decadesSeepage where the floor meets the wall, ageing weeping tile, heavy reliance on sump pumps near the water
Central neighbourhoods: Liverpool, Dunbarton, Amberlea and around the City Centre, largely 1970s–1990sPoured concreteShrinkage cracks, leaking tie-rod holes, window wells that flood
Seaton: new since the late 2010s and still buildingPoured concrete with a drainage membraneEarly shrinkage cracks, backfill settling toward the house. The newest homes may still be under Tarion warranty
Rural Pickering: Claremont, Brougham, Whitevale, GreenwoodEverything from stone farmhouse foundations to modern poured wallsOld masonry leaks. Wells and septic beds to plan around if anyone digs

A rough guide only. Your home's actual build year and any past repairs matter more than the neighbourhood.

High water near the lake and the creeks

Frenchman's Bay, Duffins Creek and the Rouge River shape south Pickering, and homes near them sit where groundwater runs high, especially in spring. That shows up as water at the base of the basement wall, a sump pump that runs for days after a thaw, or window wells that fill like buckets when their drain is clogged or was never connected.

  • Window wells: clear leaves and debris out of the bottom, check there's a drain with gravel over it, and add a clear cover. If water comes in under the window, the well drain is the first suspect. More on window well leaks →
  • Sump pump: test it before March, keep the discharge well away from the foundation, and consider a battery backup.
  • Cracks: a crack that only leaks when the ground is saturated is still worth fixing. Injection from inside handles most of them.

If water comes up through the floor drain rather than in through a wall, that's a sewer or plumbing issue for the Region of Durham or a plumber, not a foundation repair.

What the common fixes cost in Pickering

RepairTypical cost (CAD, 2026)
Crack injection, per crack$500 – $1,500 ($1,200 – $2,800 if actively leaking)
Window well drain, per window$500 – $1,500
Sump pump installation$1,000 – $3,000
Interior drainage (weeping tile and sump)$3,500 – $15,000
Full exterior waterproofing, whole house$15,000 – $35,000

Ranges from published Toronto–Durham price guides. They're general estimates, not quotes. Full cost guide.

Related: leaking basement repair · foundation crack repair · nearby: Ajax, Whitby

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Common questions

My basement only gets wet when the sump pump fails. Is that a foundation problem?
Not really. It means the ground around your house holds a lot of water and the pump is doing its job. Test the pump before spring by pouring a bucket of water into the pit, consider a battery backup for power outages, and make sure the discharge drains well away from the house. If the pump runs constantly and still can't keep up, or water comes through the walls while it's running, that's when a foundation or drainage contractor should look.
Who's responsible for sewer backups in Pickering?
The Region of Durham runs the sanitary sewers that carry water from toilets, sinks and laundry (905-668-7711). The City of Pickering handles stormwater: ditches, culverts, catch basins, storm sewers and ponds. The Region has also approved optional service line warranty coverage from Service Line Warranties of Canada for water and sewer pipes on private property.
I'm buying a new home in Seaton. What should I check?
At the pre-delivery inspection, look at every visible basement wall and note any cracks or damp spots on the form. After you move in, watch the basement through the first spring. Water getting in through the basement or foundation walls is covered by Tarion for two years from possession, so report it to the builder in writing as soon as you see it.
How much does it cost to fix a wet basement in Pickering?
As a rough 2026 guide: $500–$1,500 to inject a crack from inside ($1,200–$2,800 if it's actively leaking), $500–$1,500 per window well drain, $1,000–$3,000 for a sump pump, and $3,500–$15,000 for an interior drainage system. Full exterior waterproofing of the whole house runs $15,000–$35,000.

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