397 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Oakville: Aquamaster Basement Waterproofing Mississauga, CR Score 63/100; 5.0★ from 123 Google reviews; open 24/7.
Best for emergencies (open 24/7): ROOTERWORX, posts 24/7 hours; ranked #3 of 397.
Most-reviewed: Groundworks, 1,412 Google reviews at 4.9★, the most of 397 ranked; ranked #19.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
397 Oakville foundation repair companies are ranked here by CR Score, from ten published factors. 141 are open 24/7, 311 open Saturdays and 224 open Sundays, based on posted hours. The median Google rating is 5.0★ across 397 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Aquamaster Basement Waterproofing Mississauga | 63 | 5.0★ (123) | Mississauga, 11 km away | 24/7 | Overall |
| 2 | Canada Waterproofers | 63 | 5.0★ (316) | Mississauga, 13 km away | Sat · Sun · Evenings | — |
| 3 | ROOTERWORX | 63 | 5.0★ (121) | Mississauga, 13 km away | 24/7 | Emergencies |
| 4 | Aquatech Basement Waterproofing Toronto | 63 | 5.0★ (655) | Toronto, 31 km away | Sat · Sun · Evenings | — |
| 5 | Aquatech Basement Waterproofing Mississauga | 63 | 5.0★ (109) | Mississauga, 15 km away | 24/7 | — |
| 6 | RCC Waterproofing Toronto | 63 | 4.8★ (634) | Toronto, 37 km away | 24/7 | — |
| 7 | RCC Waterproofing Mississauga | 62 | 4.9★ (121) | Mississauga, 16 km away | 24/7 | — |
| 8 | RCC Waterproofing Oakville | 62 | 5.0★ (39) | Oakville | 24/7 | — |
| 9 | Aquamaster Basement Waterproofing Oakville | 62 | 5.0★ (84) | Oakville | Sat · Sun · Evenings | — |
| 10 | Direct Basement Waterproofing Toronto | 62 | 5.0★ (271) | Toronto, 25 km away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 in Oakville
Based in Mississauga, 11 km away
Ranked #1 because of its Google rating and trade focus: 5.0★ from 123 Google reviews, listed on Google as “Waterproofing service”.
Based in Mississauga, 13 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 316 Google reviews, listed on Google as “Waterproofing service”.
Based in Mississauga, 13 km away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 121 Google reviews, listed on Google as “Waterproofing service”.
Based in Toronto, 31 km away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 655 Google reviews, listed on Google as “Waterproofing service”.
Based in Mississauga, 15 km away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 109 Google reviews, listed on Google as “Waterproofing service”.
Based in Toronto, 37 km away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 634 Google reviews, listed on Google as “Waterproofing service”.
Based in Mississauga, 16 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 121 Google reviews, listed on Google as “Waterproofing service”.
Based in Oakville
Ranked #8 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Waterproofing service”.
Based in Oakville
Ranked #9 because of its Google rating and trade focus: 5.0★ from 84 Google reviews, listed on Google as “Waterproofing service”.
Based in Toronto, 25 km away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 271 Google reviews, listed on Google as “Waterproofing service”.
Based in Mississauga, 18 km away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 161 Google reviews, listed on Google as “Waterproofing service”.
Based in Mississauga, 21 km away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 166 Google reviews, listed on Google as “Waterproofing service”.
Based in Mississauga, 22 km away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 70 Google reviews, listed on Google as “Waterproofing service”.
Based in Burlington, 7 km away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Waterproofing service”.
Based in Concord, 36 km away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 180 Google reviews, listed on Google as “Waterproofing service”.
Based in Toronto, 32 km away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 274 Google reviews, listed on Google as “Waterproofing service”.
Based in Hamilton, 25 km away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 143 Google reviews, listed on Google as “Waterproofing service”.
Based in Hamilton, 25 km away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “Waterproofing service”.
Based in East Gwillimbury, 63 km away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 1,412 Google reviews, listed on Google as “Waterproofing service”.
Based in Etobicoke, 24 km away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Waterproofing service”.
Based in North York, 36 km away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 245 Google reviews, listed on Google as “Waterproofing service”.
Based in Hamilton, 27 km away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 107 Google reviews, listed on Google as “Waterproofing service”.
Based in Brampton, 17 km away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 64 Google reviews, listed on Google as “Waterproofing service”.
Based in Oakville
Ranked #24 because of its Google rating and review volume: 4.7★ from 178 Google reviews.
Based in North York, 35 km away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 97 Google reviews, listed on Google as “Waterproofing service”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 397 ranked foundation repair companies here; the rest are on their profiles.
20 more foundation repair companies within 64 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Batuco Built | 5.0★ (5) | In Oakville |
| Build a lead inc | 5.0★ (1) | In Oakville |
| Burloak Basement | 4.7★ (29) | In Oakville |
| Delta Demolition, Excavation and Shoring Services | 5.0★ (22) | In Oakville |
| DF Contracting | 5.0★ (6) | In Oakville |
| DrainWorks Plumbing Oakville | In Oakville | |
| Eastview Homes | 4.8★ (72) | In Oakville |
| Falcons Landscaping & Snow Removal | 5.0★ (47) | In Oakville |
| Gold Arrow Construction Inc. | 4.6★ (10) | In Oakville |
| Mas Renovation | 4.8★ (42) | In Oakville |
| MILTON STONE | Landscape Contractor and Pool Builders Oakville & Toronto GTA | 4.8★ (23) | In Oakville |
| Oakville Concrete Contractors | 5.0★ (2) | In Oakville |
| Oakville Foundation Repair | In Oakville | |
| Oakville Home Renovation Contractors by Gracia Makeovers | 5.0★ (175) | In Oakville |
| Remove & Restore Inc. Oakville | In Oakville | |
| Roof repair Oakville HP | In Oakville | |
| Summit Renovations | 3.7★ (3) | In Oakville |
| The Basement Company | 5.0★ (8) | In Oakville |
| TouchPoint Construction | 5.0★ (7) | In Oakville |
| Urban Construction and Development | 5.0★ (4) | In Oakville |
US national ranges converted to CAD, not adjusted for Oakville. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Foundation repair | CA$3,130 | CA$7,270 | CA$11,430 | Per project: typical range of customer-reported repairs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 397 Oakville foundation repair companies on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Oakville data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |