377 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Toronto: RCC Waterproofing Toronto, CR Score 66/100; 4.8★ from 634 Google reviews; open 24/7.
Best for emergencies (open 24/7): RCC Waterproofing North York, posts 24/7 hours; ranked #6 of 377.
Most-reviewed: Groundworks, 1,412 Google reviews at 4.9★, the most of 377 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
377 Toronto foundation repair companies are ranked here by CR Score, from ten published factors. 147 are open 24/7, 305 open Saturdays and 227 open Sundays, based on posted hours. The median Google rating is 5.0★ across 377 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | RCC Waterproofing Toronto | 66 | 4.8★ (634) | Toronto | 24/7 | Overall |
| 2 | Aquatech Basement Waterproofing Toronto | 66 | 5.0★ (655) | Toronto | Sat · Sun · Evenings | — |
| 3 | Direct Basement Waterproofing Toronto | 64 | 5.0★ (271) | Toronto | Sat · Sun · Evenings | — |
| 4 | Groundworks | 64 | 4.9★ (1,412) | East Gwillimbury, 29 km away | Sat · Sun · Evenings | Most reviews |
| 5 | Aquamaster Basement Waterproofing Toronto | 64 | 4.9★ (274) | Toronto | Sat · Sun · Evenings | — |
| 6 | RCC Waterproofing North York | 63 | 4.9★ (77) | Toronto | 24/7 | Emergencies |
| 7 | RCC Waterproofing Vaughan | 63 | 4.9★ (180) | Concord, 15 km away | 24/7 | — |
| 8 | Toronto Waterproofing & Foundation Specialist | 63 | 5.0★ (51) | Toronto | 24/7 | — |
| 9 | Water Pro Drain & Basement Waterproofing | 63 | 5.0★ (51) | Toronto | 24/7 | — |
| 10 | Dryshield Waterproofing Toronto | 62 | 4.9★ (245) | North York, 13 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 because of its Google rating and trade focus: 4.8★ from 634 Google reviews, listed on Google as “Waterproofing service”.
Based in Toronto
Ranked #2 because of its Google rating and trade focus: 5.0★ from 655 Google reviews, listed on Google as “Waterproofing service”.
Based in Toronto
Ranked #3 because of its Google rating and trade focus: 5.0★ from 271 Google reviews, listed on Google as “Waterproofing service”.
Based in East Gwillimbury, 29 km away
Ranked #4 because of its Google rating and review volume: 4.9★ from 1,412 Google reviews, the most in Toronto.
Based in Toronto
Ranked #5 because of its Google rating and trade focus: 4.9★ from 274 Google reviews, listed on Google as “Waterproofing service”.
Based in Toronto
Ranked #6 because of its Google rating and trade focus: 4.9★ from 77 Google reviews, listed on Google as “Waterproofing service”.
Based in Concord, 15 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 180 Google reviews, listed on Google as “Waterproofing service”.
Based in Toronto
Ranked #8 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “Waterproofing service”.
Based in Toronto
Ranked #9 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “Waterproofing service”.
Based in North York, 13 km away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 245 Google reviews, listed on Google as “Waterproofing service”.
Based in Mississauga, 20 km away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 109 Google reviews, listed on Google as “Waterproofing service”.
Based in Mississauga, 22 km away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 121 Google reviews, listed on Google as “Waterproofing service”.
Based in Mississauga, 24 km away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 316 Google reviews, listed on Google as “Waterproofing service”.
Based in North York, 10 km away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 97 Google reviews, listed on Google as “Waterproofing service”.
Based in Mississauga, 24 km away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 123 Google reviews, listed on Google as “Waterproofing service”.
Based in Vaughan, 17 km away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 78 Google reviews, listed on Google as “Waterproofing service”.
Based in Mississauga, 21 km away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 121 Google reviews, listed on Google as “Waterproofing service”.
Based in Mississauga, 16 km away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 166 Google reviews, listed on Google as “Waterproofing service”.
Based in East York, 8 km away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 177 Google reviews, listed on Google as “Waterproofing service”.
Based in Etobicoke, 12 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 Mississauga, 19 km away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 70 Google reviews, listed on Google as “Waterproofing service”.
Based in Mississauga, 19 km away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 161 Google reviews, listed on Google as “Waterproofing service”.
Based in Toronto
Ranked #23 because of its Google rating and trade focus: 4.6★ from 35 Google reviews, listed on Google as “Waterproofing service”.
Based in Toronto
Ranked #24 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Waterproofing service”.
Based in Etobicoke, 12 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 79 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 377 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 |
|---|---|---|
| ACG Inc. | 5.0★ (25) | In Toronto |
| Arqet Constructions | 4.2★ (21) | In Toronto |
| black caribou rénovation | 5.0★ (25) | In Toronto |
| Blue Mahoe Design and Build | 5.0★ (44) | In Toronto |
| Earth Anchor Inc | 4.7★ (57) | In Toronto |
| Everest Drain & Plumbing Toronto | 4.8★ (299) | In Toronto |
| Good Choice Contracting | 4.9★ (62) | In Toronto |
| Homefront Builders Inc. | 5.0★ (35) | In Toronto |
| Icon Restoration Services Inc | 4.8★ (45) | In Toronto |
| Kierdorf Masonry & Concrete | 5.0★ (23) | In Toronto |
| Konstruction Group Inc. | 4.8★ (45) | In Toronto |
| Mack Group Construction Inc | 5.0★ (18) | In Toronto |
| Megacity Paving & Patching Inc. | 4.9★ (58) | In Toronto |
| My Toronto Build | 5.0★ (29) | In Toronto |
| PLUMBER ON DEMAND of TORONTO, ON - Midtown | 4.9★ (179) | In Toronto |
| Renobots Contracting Services | 5.0★ (18) | In Toronto |
| SB Excavation | 5.0★ (102) | In Toronto |
| SVD Restoration Concrete Contracting Inc. | 5.0★ (194) | In Toronto |
| Violet Build Toronto | 5.0★ (52) | In Toronto |
| Woodsmith Construction Inc | 4.2★ (19) | In Toronto |
US national ranges converted to CAD, not adjusted for Toronto. 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 377 Toronto 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 Toronto 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 |