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Basement waterproofing and drainage in The Junction

Last updated: By Below-Grade Records Desk

9 below-grade contractors are listed within 12 km of The Junction, compiled August 2026.

average Google rating 4.9★ · borough / region: Old Toronto · deepest category: Basement Waterproofing (6 listed) · ordered on Google review data, not paid placement

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Which basement waterproofing contractors are listed for The Junction?

See all 6

6 basement waterproofing contractors are listed for The Junction, averaging 4.9★ over 240 Google reviews. PRO Basement - Lowering Underpinning & Waterproofing Toronto holds the top position at 5★ from 24 reviews. Order comes from review data and record completeness, never payment.

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Which sump pump and backwater valve installers are listed for The Junction?

3 sump pump and backwater valve installers are listed for The Junction, averaging 4.9★ over 2,700 Google reviews. CDP Plumbing of Toronto holds the top position at 5★ from 243 reviews. Order comes from review data and record completeness, never payment.

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Which underpinning contractors are listed for The Junction?

3 underpinning contractors are listed for The Junction, averaging 4.97★ over 91 Google reviews. PRO Basement - Lowering Underpinning & Waterproofing Toronto holds the top position at 5★ from 24 reviews. Order comes from review data and record completeness, never payment.

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Which foundation repair contractors are listed for The Junction?

1 foundation repair contractors are listed for The Junction, averaging 4.9★ over 51 Google reviews. TTA Service Underpinning ,Foundation, Waterproofing holds the top position at 4.9★ from 51 reviews. Order comes from review data and record completeness, never payment.

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Which below-grade services are covered in The Junction?

One row per category WaterproofingIndex covers in The Junction: how many companies are listed, what they average on Google, and the GTA price range published for that service. The ranked list for each one follows underneath.

WaterproofingIndex dataset, August 2026. Ratings from public Google reviews.
CategoryListed prosAvg Google rating
Basement Waterproofing64.9★
Sump Pumps & Backwater Valves34.9★
Underpinning & Basement Lowering34.97★
Foundation Repair14.9★

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Why are some companies missing from this page?

38 of the 384 companies here publish no street address, only a Google service-area centroid, and 4 of them share one such point. That is not an address, so none of them is placed in The Junction. Find them in the A-Z index, and ask which areas they cover.

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Which areas next door are covered?

Below-grade crews work across boundaries, and a company two neighbourhoods away is often on the same street the following week. These Greater Toronto Area areas next to The Junction have their own lists.

Waterproofing in The Junction: frequently asked questions

Who works on wet basements in The Junction?

WaterproofingIndex's August 2026 dataset holds 9 below-grade contractors covering The Junction, at an average Google rating of 4.9★. Basement Waterproofing is the deepest category here, with 6 listed. Get three itemised quotes before you commit to any of them.

Which below-grade service scores highest in The Junction?

Underpinning & Basement Lowering leads on rating: 5.0★ across 3 rated companies, ahead of every other category WaterproofingIndex covers in this area. The stars come from Google reviewers, and our order weighs how many of them there were.

What should a The Junction homeowner expect to pay for basement waterproofing?

Project Landscaping (Ontario) publishes $50 to $80 per linear ft for interior drainage, basic system across the GTA, before 13% HST. Depth and access are what move a The Junction quote inside that range. The basement waterproofing cost guide on WaterproofingIndex breaks out every line item with its source.