27 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in North Perth: The Crack Specialists, CR Score 60/100; 5.0★ from 467 Google reviews.
Best for emergencies (open 24/7): S & Sons Waterproofing, posts 24/7 hours; ranked #3 of 27.
Most-reviewed: PLUMBER ON DEMAND of KITCHENER, ON, 190 Google reviews at 4.9★, the most of 27 ranked after The Crack Specialists; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
27 North Perth foundation repair companies are ranked here by CR Score, from ten published factors. 4 are open 24/7, 13 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.9★ across 27 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | The Crack Specialists | 60 | 5.0★ (467) | Brant, 39 km away | — | Overall |
| 2 | Wetness Protection | 59 | 5.0★ (154) | Norfolk County, 56 km away | Sat · Sun | — |
| 3 | S & Sons Waterproofing | 58 | 4.8★ (49) | Kitchener, 51 km away | 24/7 | Emergencies |
| 4 | Paint Foundation Painters | 57 | 5.0★ (121) | Kitchener, 48 km away | 24/7 | — |
| 5 | The Crack Specialists | 57 | 5.0★ (66) | Waterloo, 43 km away | Sat | — |
| 6 | PLUMBER ON DEMAND of KITCHENER, ON | 55 | 4.9★ (190) | Kitchener, 51 km away | 24/7 | Most reviews |
| 7 | Aquatech Basement Waterproofing Guelph | 54 | 4.9★ (38) | Guelph, 63 km away | Sat · Evenings | — |
| 8 | City Wide Group | 53 | 4.5★ (11) | Kitchener, 54 km away | Sat · Sun · Evenings | — |
| 9 | T R West Inc | 53 | 5.0★ (8) | Waterloo, 39 km away | — | — |
| 10 | Owen Sound Waterproofing - Bond Seal Canada | 52 | 3.7★ (12) | Hanover, 57 km away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 5.0★ from 467 Google reviews, the most in North Perth.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norfolk County, 56 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 154 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 51 km away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 49 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 48 km away
Ranked #4 because of its Google rating and review volume: 5.0★ from 121 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterloo, 43 km away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 51 km away
Ranked #6 because of its Google rating and review volume: 4.9★ from 190 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guelph, 63 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 54 km away
Ranked #8 because of its Google rating and trade focus: 4.5★ from 11 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterloo, 39 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Waterproofing service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Hanover, 57 km away
Ranked #10 because of its Google rating and trade focus: 3.7★ from 12 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stratford, 39 km away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Waterproofing service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Cambridge, 46 km away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cambridge, 62 km away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 60 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stratford, 41 km away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Waterproofing service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Kitchener, 53 km away
Ranked #15 because of its Google rating and review volume: 5.0★ from 44 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guelph, 61 km away
Ranked #16 because of its Google rating and review volume: 4.3★ from 75 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stratford, 39 km away
Ranked #17 because of its Google rating and review volume: 4.9★ from 42 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 46 km away
Ranked #18 because of its Google rating and review volume: 5.0★ from 43 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 48 km away
Ranked #19 because of its Google rating and review volume: 5.0★ from 35 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cambridge, 64 km away
Ranked #20 because of its Google rating and review volume: 4.9★ from 73 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 49 km away
Ranked #21 because of its Google rating and trade focus: 2.3★ from 6 Google reviews, listed on Google as “Construction company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Guelph, 55 km away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Masonry contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterloo, 44 km away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 14 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 35 km away
Ranked #24 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bluewater, 39 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #27, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Horizon Contracting | 43 | 4.9★ (11) | 62 km |
| 27 | Guelph Wisecracks | 41 | 3.7★ (3) | 60 km |
13 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 |
|---|---|---|
| Bethlehem United Construction | 5.0★ (1) | 60 km |
| Bosh Construction Inc. | In North Perth | |
| CD Basement Waterproofing | 1.0★ (1) | 61 km |
| Custom Gunnite 1995 Inc | 5.0★ (2) | 42 km |
| FS construction Inc. parging | 54 km | |
| GMP Concrete Foundations Limited | 48 km | |
| Green Sanitization | 49 km | |
| Mr. Max Limited | 5.0★ (1) | 57 km |
| Ontario Protective Coatings | 3.0★ (2) | In North Perth |
| Postech Screw Piles Perth County | 5.0★ (1) | 24 km |
| Superior Waterproofing Solutions | 2.5★ (2) | 49 km |
| The Lone Roofer Presents All-in-All, Co-Operated | 52 km | |
| TSL Excavating Corp | 55 km |
US national ranges converted to CAD, not adjusted for North Perth. 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 27 North Perth 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 North Perth 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 |