120 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in South Lyon: Foundation Systems of Michigan, CR Score 63/100; 4.7★ from 2,539 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Michigan Basements, posts 24/7 hours; ranked #2 of 120.
Most-reviewed: Everdry of Southeastern Michigan, 920 Google reviews at 4.6★, the most of 120 ranked after Foundation Systems of Michigan; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
120 South Lyon foundation repair companies are ranked here by CR Score, from ten published factors. 26 are open 24/7, 77 open Saturdays and 47 open Sundays, based on posted hours. The median Google rating is 4.9★ across 120 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Foundation Systems of Michigan | 63 | 4.7★ (2,539) | Livonia, 15 mi away | Sat · Sun · Evenings | Overall |
| 2 | Michigan Basements | 62 | 4.9★ (377) | Auburn Hills, 21 mi away | 24/7 | Emergencies |
| 3 | Mega Dry | 61 | 5.0★ (103) | Farmington Hills, 16 mi away | 24/7 | — |
| 4 | HomeSpec Waterproofing and Foundation Repair | 60 | 4.9★ (897) | Westland, 20 mi away | Sat | — |
| 5 | Foundation Systems of Michigan | 60 | 4.9★ (508) | Rochester Hills, 27 mi away | Sat · Sun · Evenings | — |
| 6 | Perma Dry Michigan - Basement Waterproofing | 60 | 4.9★ (429) | Amherstburg, 13 mi away | Sat | — |
| 7 | Basement Crack Repair Plus Inc. | 59 | 5.0★ (53) | Milford, 17 mi away | 24/7 | — |
| 8 | Dry Basements Plus | 59 | 4.9★ (283) | Milford, 14 mi away | Sat | — |
| 9 | BWM Basement Waterproofing of Michigan | 59 | 4.9★ (297) | Troy, 28 mi away | Sat · Sun | — |
| 10 | Ayers Basement Systems | 59 | 4.7★ (280) | Novi, 11 mi away | Sat · 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 review volume: 4.7★ from 2,539 Google reviews, the most in South Lyon.
Based in Auburn Hills, 21 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 377 Google reviews, listed on Google as “Waterproofing service”.
Based in Farmington Hills, 16 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “Waterproofing service”.
Based in Westland, 20 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 897 Google reviews, listed on Google as “Waterproofing service”.
Based in Rochester Hills, 27 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 508 Google reviews, listed on Google as “Waterproofing service”.
Based in Amherstburg, 13 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 429 Google reviews, listed on Google as “Waterproofing service”.
Based in Milford, 17 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Waterproofing service”.
Based in Milford, 14 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 283 Google reviews, listed on Google as “Waterproofing service”.
Based in Troy, 28 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 297 Google reviews, listed on Google as “Waterproofing service”.
Based in Novi, 11 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 280 Google reviews, listed on Google as “Waterproofing service”.
Based in Windsor, 33 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “Waterproofing service”.
Based in Westland, 16 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 643 Google reviews, listed on Google as “Waterproofing service”.
Based in Fraser, 37 mi away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 355 Google reviews, listed on Google as “Waterproofing service”.
Based in Farmington Hills, 15 mi away
Ranked #14 because of its Google rating and trade focus: 4.6★ from 38 Google reviews, listed on Google as “Waterproofing service”.
Based in Eastpointe, 35 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 254 Google reviews, listed on Google as “Waterproofing service”.
Based in Auburn Hills, 23 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 81 Google reviews, listed on Google as “Waterproofing service”.
Based in Milford, 12 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Tree service”.
Based in Sterling Heights, 31 mi away
Ranked #18 because of its Google rating and trade focus: 4.6★ from 920 Google reviews, listed on Google as “Waterproofing service”.
Based in Saint Clair Shores, 26 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Foundation”.
Based in Lake Fenton, 18 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Waterproofing service”.
Based in Ann Arbor, 10 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 56 Google reviews, listed on Google as “Waterproofing service”.
Based in Saint Clair Shores, 23 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Waterproofing service”.
Based in Clinton Township, 34 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Waterproofing service”.
Based in Amherstburg, 34 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 382 Google reviews, listed on Google as “Waterproofing service”.
Based in Fenton, 20 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 40 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 120 ranked foundation repair companies here; the rest are on their profiles.
20 more foundation repair companies within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| AM Professional Waterproofers | 5.0★ (2) | 29 mi |
| Aqua Seal Basement Waterproofing | 5.0★ (1) | 9 mi |
| Boley Construction LLC | 3.9★ (17) | In South Lyon |
| Briggs Foundation Repair Brighton | 1.0★ (1) | 8 mi |
| BW Contracting, LLC | 5.0★ (2) | 23 mi |
| BWM Basement Waterproofing Macomb | 5.0★ (2) | 26 mi |
| Chestnut Home Builders and Development | 5.0★ (1) | 12 mi |
| CSI Concrete Services Windsor (Footings, Foundations, and More) | 5.0★ (2) | 33 mi |
| CTS Foundations Inc | 5.0★ (1) | 10 mi |
| Detroit Foundation Repair & Basement Waterproofing | 5.0★ (1) | 30 mi |
| FixMyBasement | 5.0★ (2) | 29 mi |
| Groleau's Cement | 3.0★ (2) | 26 mi |
| HE Edwards Masonry/Concrete Specialist | 2.8★ (9) | In South Lyon |
| LANDMARKER CONSTRUCTION | 5.0★ (2) | 32 mi |
| Rally Point Partners | 5.0★ (2) | 20 mi |
| Rapid-Dri Foundation Solutions | 5.0★ (1) | 16 mi |
| Robin Construction, LLC | 5.0★ (1) | 15 mi |
| Tom's Basement Waterproofing | 4.0★ (2) | 38 mi |
| Tri-County Foundations Inc | 5.0★ (1) | 6 mi |
| Water-Tite | 5.0★ (1) | 11 mi |
National price ranges in USD, not adjusted for South Lyon. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Foundation repair | $2,225 | $5,174 | $8,133 | Per project: typical range of customer-reported repairs. US national range | October 2026 |
We scored 120 South Lyon 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 South Lyon 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 |