21 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Plymouth: Erie Home Basement Solutions, CR Score 59/100; 4.4★ from 139 Google reviews; open 24/7.
Best for emergencies (open 24/7): BMT Waterproofing & Concrete, posts 24/7 hours; ranked #7 of 21.
Most-reviewed: Black Rhino Floors, 176 Google reviews at 4.8★, the most of 21 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
21 Plymouth foundation repair companies are ranked here by CR Score, from ten published factors. 4 are open 24/7, 14 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.8★ across 21 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Erie Home Basement Solutions | 59 | 4.4★ (139) | Neenah, 38 mi away | 24/7 | Overall |
| 2 | Rion Waterproofing and Foundation Repair | 59 | 4.9★ (167) | Brookfield, 34 mi away | Sat | — |
| 3 | GSI Foundations | 58 | 4.9★ (88) | Germantown, 37 mi away | — | — |
| 4 | Sheboygan Falls Foundation Repair | 55 | 5.0★ (26) | Brookfield, 18 mi away | Sat · Sun · Evenings | — |
| 5 | Sheboygan Basement Waterproofing | 54 | 5.0★ (4) | Sheboygan, 18 mi away | Sat · Sun · Evenings | — |
| 6 | Black Rhino Floors | 52 | 4.8★ (176) | Hartford, 38 mi away | Sat | Most reviews |
| 7 | BMT Waterproofing & Concrete | 52 | 2.6★ (5) | Menasha, 13 mi away | 24/7 | Emergencies |
| 8 | RaiseRite | 52 | 4.8★ (170) | Manitowoc, 27 mi away | — | — |
| 9 | Neenah Foundation Repair | 49 | 4.7★ (12) | Appleton, 38 mi away | Sat · Sun · Evenings | — |
| 10 | Foundations & More | 49 | 5.0★ (4) | Waupun, 38 mi away | Sat · 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 trade focus: 4.4★ from 139 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brookfield, 34 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 167 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Germantown, 37 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 88 Google reviews, listed on Google as “Waterproofing service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Brookfield, 18 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sheboygan, 18 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hartford, 38 mi away
Ranked #6 because of its Google rating and review volume: 4.8★ from 176 Google reviews, the most in Plymouth.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Menasha, 13 mi away
Ranked #7 because of its Google rating and trade focus: 2.6★ from 5 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manitowoc, 27 mi away
Ranked #8 because of its Google rating and review volume: 4.8★ from 170 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Appleton, 38 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waupun, 38 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Foundation”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brown Deer, 39 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 20 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manitowoc, 30 mi away
Ranked #12 because of its Google rating and availability: 4.5★ from 8 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manitowoc, 27 mi away
Ranked #13 because of its Google rating and trade focus: 4.3★ from 3 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manitowoc, 32 mi away
Ranked #14 because of its Google rating and review volume: 4.8★ from 13 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fond du Lac, 27 mi away
Ranked #15 because of its Google rating and review volume: 4.8★ from 40 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fond du Lac, 33 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brookfield, 35 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 13 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshkosh, 38 mi away
Ranked #18 because of its Google rating and review volume: 4.4★ from 28 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Kaukauna, 39 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Menomonee Falls, 39 mi away
Ranked #20 because of its Google rating and review volume: 3.6★ from 41 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Germantown, 35 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Concrete contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
17 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 |
|---|---|---|
| ABC Waterproofing, LLC | 37 mi | |
| Alpine Insulation | 12 mi | |
| Area Waterproofing & Concrete LLC | 1.0★ (1) | 39 mi |
| Cornerstone Concrete & Masonry LLC | 5.0★ (1) | 28 mi |
| Manitowoc Basement Waterproofing | 3.0★ (2) | 35 mi |
| Menasha Basement Waterproofing | 5.0★ (2) | 39 mi |
| New London Basement Waterproofing | 35 mi | |
| Oshkosh Basement Waterproofing | 5.0★ (1) | 35 mi |
| Oshkosh Foundation Repair | 5.0★ (1) | 40 mi |
| Plymouth Foundation Repair Experts | 5.0★ (1) | In Plymouth |
| Ram Jack Wisconsin | 23 mi | |
| Ripon Basement Waterproofing | 5.0★ (1) | 32 mi |
| Ripon Foundation Repair | 5.0★ (1) | 27 mi |
| Sheboygan Foundation Repair | 5.0★ (1) | 18 mi |
| Sid’s Sealants LLC | 26 mi | |
| Waterproofing Engineering Technologies | 1.0★ (1) | 13 mi |
| West Bend Foundation Repair | 5.0★ (1) | 29 mi |
National price ranges in USD, not adjusted for Plymouth. 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 21 Plymouth 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 23, 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 Plymouth 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 |