50 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Watertown: Badger Basement Systems, CR Score 60/100; 4.6★ from 306 Google reviews; open Saturdays until 2 PM.
Best for emergencies (open 24/7): Ihn Company, posts 24/7 hours; ranked #9 of 50.
Most-reviewed: Black Rhino Floors, 176 Google reviews at 4.8★, the most of 50 ranked after Badger Basement Systems; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
50 Watertown foundation repair companies are ranked here by CR Score, from ten published factors. 9 are open 24/7, 23 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.9★ across 50 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Badger Basement Systems | 60 | 4.6★ (306) | Fort Atkinson, 18 mi away | Sat | Overall |
| 2 | Rion Waterproofing and Foundation Repair | 59 | 4.9★ (167) | Brookfield, 28 mi away | Sat | — |
| 3 | A+ Environmental, Inc. | 58 | 4.9★ (34) | Fort Atkinson, 19 mi away | Sat · Sun | — |
| 4 | GSI Foundations | 57 | 4.9★ (88) | Germantown, 33 mi away | — | — |
| 5 | The Mudjackers LLC | 57 | 4.9★ (123) | Waukesha, 26 mi away | — | — |
| 6 | Basement Foundation Repair | 55 | 5.0★ (98) | Waukesha, 26 mi away | Sat · Evenings | — |
| 7 | Renew Basement Foundation | 54 | 5.0★ (84) | West Allis, 40 mi away | — | — |
| 8 | Black Rhino Floors | 54 | 4.8★ (176) | Hartford, 19 mi away | Sat | Most reviews |
| 9 | Ihn Company | 54 | 4.3★ (174) | Pewaukee, 25 mi away | 24/7 | Emergencies |
| 10 | Basement Repair Specialists Milwaukee | 54 | 5.0★ (6) | Brookfield, 34 mi away | 24/7 | — |
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: 4.6★ from 306 Google reviews, the most in Watertown.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brookfield, 28 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 Fort Atkinson, 19 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Germantown, 33 mi away
Ranked #4 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 Waukesha, 26 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 123 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waukesha, 26 mi away
Ranked #6 because of its Google rating and review volume: 5.0★ from 98 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Allis, 40 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 84 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hartford, 19 mi away
Ranked #8 because of its Google rating and review volume: 4.8★ from 176 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pewaukee, 25 mi away
Ranked #9 because of its Google rating and review volume: 4.3★ from 174 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brookfield, 34 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 6 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 #11 because of its Google rating and trade focus: 4.8★ from 66 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brookfield, 16 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Franklin, 33 mi away
Ranked #13 because of its Google rating and review volume: 5.0★ from 58 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hartland, 21 mi away
Ranked #14 because of its Google rating and review volume: 5.0★ from 20 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Berlin, 32 mi away
Ranked #15 because of its Google rating and review volume: 4.7★ from 76 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Janesville, 37 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 71 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 31 mi away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jefferson, 12 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Delafield, 17 mi away
Ranked #19 because of its Google rating and trade focus: 3.8★ from 26 Google reviews, listed on Google as “Excavating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Janesville, 36 mi away
Ranked #20 because of its Google rating and review volume: 4.6★ from 33 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 30 mi away
Ranked #21 because of its Google rating and review volume: 4.4★ from 19 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waupun, 34 mi away
Ranked #22 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, 32 mi away
Ranked #23 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 Sun Prairie, 27 mi away
Ranked #24 because of its Google rating and review volume: 5.0★ from 61 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 36 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
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 |
|---|---|---|
| A&D Pro Madison | 36 mi | |
| AD Pro Services | 36 mi | |
| Alpha Insulation & Waterproofing | 30 mi | |
| Alpine Insulation | 31 mi | |
| ASG Seamless Gutters and Metal Roofing | 5.0★ (1) | 30 mi |
| Best Basement Waterproofing Milwaukee | 5.0★ (1) | 22 mi |
| CG Concrete, LLC | 5.0★ (60) | In Watertown |
| Custom Concrete Coatings | 15 mi | |
| Everdry Waterproofing of Wisconsin | 29 mi | |
| G E Mallow | In Watertown | |
| Jones design | 35 mi | |
| Madison Foundation Repair Specialists | 35 mi | |
| Oliwill | 31 mi | |
| Red Wolf Concrete | 4.6★ (39) | In Watertown |
| Ripon Foundation Repair | 5.0★ (1) | 39 mi |
| Stratus Waterproofing | 5.0★ (2) | 35 mi |
| Watertight Masonry LLC | 25 mi | |
| West Bend Foundation Repair | 5.0★ (1) | 28 mi |
| Wisconsin Foundation Specialist | 5.0★ (2) | 30 mi |
| Wolff Concrete and Outdoor Services | 5.0★ (5) | In Watertown |
National price ranges in USD, not adjusted for Watertown. 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 50 Watertown 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 Watertown 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 |