1Direct Waterproofing
0.1 km from Yonge & St. Clair centre
Basement Waterproofing
Its own website describes below-grade water work
Basement waterproofing and drainage in Yonge & St. Clair
Last updated: By Below-Grade Records Desk
4 below-grade contractors are listed within 1 km of Yonge & St. Clair, compiled August 2026.
average Google rating 4.4★ · borough / region: Old Toronto · deepest category: Basement Waterproofing (2 listed) · ordered on Google review data, not paid placement
Coverage
Which basement waterproofing contractors are listed for Yonge & St. Clair?
2 basement waterproofing contractors are listed for Yonge & St. Clair, averaging 3.75★ over 138 Google reviews. Direct Waterproofing holds the top position at 5★ from 127 reviews. Order comes from review data and record completeness, never payment.
- 1
2Kanata Caulking & Weatherproofing
0.3 km from Yonge & St. Clair centre
Basement WaterproofingListed under Basement Waterproofing
Coverage
Which sump pump and backwater valve installers are listed for Yonge & St. Clair?
1 sump pump and backwater valve installers are listed for Yonge & St. Clair, averaging 5★ over 45 Google reviews. SewerFlow Plumber Toronto Inc. holds the top position at 5★ from 45 reviews. Order comes from review data and record completeness, never payment.
1SewerFlow Plumber Toronto Inc.
0.2 km from Yonge & St. Clair centre
Sump Pumps & Backwater ValvesListed under Sump Pumps & Backwater Valves
Coverage
Which underpinning contractors are listed for Yonge & St. Clair?
1 underpinning contractors are listed for Yonge & St. Clair, averaging 5★ over 66 Google reviews. The Reno Pros holds the top position at 5★ from 66 reviews. Order comes from review data and record completeness, never payment.
1The Reno Pros
0.1 km from Yonge & St. Clair centre
Underpinning & Basement LoweringIts own website describes below-grade water work
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Which below-grade services are covered in Yonge & St. Clair?
One row per category WaterproofingIndex covers in Yonge & St. Clair: 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.
| Category | Listed pros | Avg Google rating |
|---|---|---|
| Basement Waterproofing | 2 | 3.75★ |
| Sump Pumps & Backwater Valves | 1 | 5★ |
| Underpinning & Basement Lowering | 1 | 5★ |
Coverage
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 Yonge & St. Clair. Find them in the A-Z index, and ask which areas they cover.
Coverage
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 Yonge & St. Clair have their own lists.
Waterproofing in Yonge & St. Clair: frequently asked questions
Who works on wet basements in Yonge & St. Clair?
- WaterproofingIndex's August 2026 dataset holds 4 below-grade contractors covering Yonge & St. Clair, at an average Google rating of 4.4★. Basement Waterproofing is the deepest category here, with 2 listed. Get three itemised quotes before you commit to any of them.
Which below-grade service scores highest in Yonge & St. Clair?
- Basement Waterproofing leads on rating: 3.8★ across 2 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 Yonge & St. Clair 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 Yonge & St. Clair quote inside that range. The basement waterproofing cost guide on WaterproofingIndex breaks out every line item with its source.