Foundation Repair Companies in Ontario: Ranked Lists by City (2026)
113 cities with a ranked listUpdated 0 paid placements in any rankingHow we rank →
We rank foundation repair companies in 113 Ontario cities, 14,424 city rankings in all. The largest lists are Oakville (397), Mississauga (390) and Milton (387).
Foundation repair companies by city in Ontario
Every Ontario city with a ranked list of foundation repair companies, largest first. Each list ranks businesses within 64 km of the city.
Highest CR Scores among Ontario foundation repair companies
Each score is computed within its own city list, so use the city pages to compare businesses. Shown for orientation, not as a state ranking.
| # | Business | CR Score | City list | Google rating |
|---|---|---|---|---|
| 1 | RCC Waterproofing Toronto | 94 | #1 in Toronto | 4.8★ (634) |
| 2 | Aquamaster Basement Waterproofing Barrie | 93 | #1 in Orillia | 5.0★ (93) |
| 3 | Groundworks | 93 | #1 in East Gwillimbury | 4.9★ (1,412) |
| 4 | Crack Busters | 93 | #1 in Bracebridge | 4.5★ (72) |
| 5 | On Point Masonry Repair and Waterproofing | 93 | #1 in Norfolk County | 4.9★ (61) |
| 6 | Wetness Protection | 93 | #2 in Norfolk County | 5.0★ (154) |
| 7 | RCC Waterproofing Vaughan | 93 | #2 in Concord | 4.9★ (180) |
| 8 | Aquamaster Basement Waterproofing Mississauga | 92 | #1 in Mississauga | 5.0★ (123) |
| 9 | Aquatech Basement Waterproofing Toronto | 92 | #2 in Toronto | 5.0★ (655) |
| 10 | ROOTERWORX | 92 | #2 in Mississauga | 5.0★ (121) |