120 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Harper Woods: Calculus Foundation Repair & Waterproofing, CR Score 63/100; 5.0★ from 254 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): U.S. Waterproofing, posts 24/7 hours; ranked #2 of 120.
Most-reviewed: Foundation Systems of Michigan, 2,539 Google reviews at 4.7★, the most of 120 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
120 Harper Woods foundation repair companies are ranked here by CR Score, from ten published factors. 28 are open 24/7, 83 open Saturdays and 46 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 | Calculus Foundation Repair & Waterproofing | 63 | 5.0★ (254) | Eastpointe, 3 mi away | Sat · Sun · Evenings | Overall |
| 2 | U.S. Waterproofing | 63 | 4.7★ (355) | Fraser, 8 mi away | 24/7 | Emergencies |
| 3 | Windsor Proof | 62 | 5.0★ (132) | Windsor, 11 mi away | 24/7 | — |
| 4 | Foundation Systems of Michigan | 62 | 4.7★ (2,539) | Livonia, 23 mi away | Sat · Sun · Evenings | Most reviews |
| 5 | Michigan Basements | 62 | 4.9★ (377) | Auburn Hills, 22 mi away | 24/7 | — |
| 6 | BWM Basement Waterproofing of Michigan | 61 | 4.9★ (297) | Troy, 12 mi away | Sat · Sun | — |
| 7 | Wet 2 Dry Basement Waterproofing | 61 | 5.0★ (121) | Clinton Township, 16 mi away | 24/7 | — |
| 8 | Foundation Systems of Michigan | 61 | 4.9★ (508) | Rochester Hills, 20 mi away | Sat · Sun · Evenings | — |
| 9 | Everdry of Southeastern Michigan | 60 | 4.6★ (920) | Sterling Heights, 10 mi away | Sat · Evenings | — |
| 10 | HomeSpec Waterproofing and Foundation Repair | 60 | 4.9★ (897) | Westland, 24 mi away | Sat | — |
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 Harper Woods
Based in Eastpointe, 3 mi away
Ranked #1 because of its Google rating and trade focus: 5.0★ from 254 Google reviews, listed on Google as “Waterproofing service”.
Based in Fraser, 8 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 355 Google reviews, listed on Google as “Waterproofing service”.
Based in Windsor, 11 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “Waterproofing service”.
Based in Livonia, 23 mi away
Ranked #4 because of its Google rating and review volume: 4.7★ from 2,539 Google reviews, the most in Harper Woods.
Based in Auburn Hills, 22 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 377 Google reviews, listed on Google as “Waterproofing service”.
Based in Troy, 12 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 297 Google reviews, listed on Google as “Waterproofing service”.
Based in Clinton Township, 16 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 121 Google reviews, listed on Google as “Waterproofing service”.
Based in Rochester Hills, 20 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 508 Google reviews, listed on Google as “Waterproofing service”.
Based in Sterling Heights, 10 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 920 Google reviews, listed on Google as “Waterproofing service”.
Based in Westland, 24 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 897 Google reviews, listed on Google as “Waterproofing service”.
Based in Farmington Hills, 27 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “Waterproofing service”.
Based in Clinton Township, 12 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Waterproofing service”.
Based in New Baltimore, 18 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 77 Google reviews, listed on Google as “Waterproofing service”.
Based in Saint Clair Shores, 4 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Waterproofing service”.
Based in Clinton Township, 19 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Waterproofing service”.
Based in Auburn Hills, 17 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 Windsor, 11 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 387 Google reviews, listed on Google as “Waterproofing service”.
Based in Fraser, 7 mi away
Ranked #18 because of its Google rating and review volume: 4.9★ from 390 Google reviews.
Based in Warren, 5 mi away
Ranked #19 because of its Google rating and review volume: 4.9★ from 292 Google reviews.
Based in New Haven, 22 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Waterproofing service”.
Based in Amherstburg, 14 mi away
Ranked #21 because of its Google rating and review volume: 4.9★ from 457 Google reviews.
Based in Saint Clair Shores, 24 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Foundation”.
Based in Grosse Pointe Park, 3 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Waterproofing service”.
Based in Farmington Hills, 23 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 38 Google reviews, listed on Google as “Waterproofing service”.
Based in Amherstburg, 33 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 429 Google reviews, listed on Google as “Waterproofing service”.
National price ranges in USD, not adjusted for Harper Woods. 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 Harper Woods 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 Harper Woods 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 |