17 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Portage: Badger Basement Systems, CR Score 58/100; 4.6★ from 306 Google reviews; open Saturdays until 2 PM.
Best for emergencies (open 24/7): Basement Repair Specialists LLC, posts 24/7 hours; ranked #6 of 17.
Most-reviewed: Zander Solutions, 133 Google reviews at 4.6★, the most of 17 ranked after Badger Basement Systems; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
17 Portage foundation repair companies are ranked here by CR Score, from ten published factors. 1 is open 24/7, 8 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.6★ across 17 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Badger Basement Systems | 58 | 4.6★ (306) | Fort Atkinson, 30 mi away | Sat | Overall |
| 2 | Zander Solutions | 53 | 4.6★ (133) | Verona, 39 mi away | — | Most reviews |
| 3 | Berlin Basement Waterproofing | 51 | 5.0★ (5) | Berlin, 36 mi away | Sat · Sun · Evenings | — |
| 4 | Everdry Waterproofing of Wisconsin | 50 | 4.6★ (10) | Madison, 35 mi away | Sat · Evenings | — |
| 5 | Waupun Foundation Repair | 49 | 5.0★ (16) | Brookfield, 39 mi away | Sat · Sun · Evenings | — |
| 6 | Basement Repair Specialists LLC | 49 | 4.4★ (19) | Madison, 30 mi away | 24/7 | Emergencies |
| 7 | Basement Waterproofing of Madison | 49 | 5.0★ (8) | Madison, 33 mi away | — | — |
| 8 | Foundations & More | 48 | 5.0★ (4) | Waupun, 38 mi away | Sat · Evenings | — |
| 9 | Koala Insulation of Madison | 48 | 5.0★ (61) | Sun Prairie, 29 mi away | — | — |
| 10 | Jacoby Waterproofing | 48 | 3.5★ (13) | Fitchburg, 22 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 review volume: 4.6★ from 306 Google reviews, the most in Portage.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Verona, 39 mi away
Ranked #2 because of its Google rating and trade focus: 4.6★ from 133 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Berlin, 36 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 35 mi away
Ranked #4 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 Brookfield, 39 mi away
Ranked #5 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 Madison, 30 mi away
Ranked #6 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 Madison, 33 mi away
Ranked #7 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.
Based in Waupun, 38 mi away
Ranked #8 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 Sun Prairie, 29 mi away
Ranked #9 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 Fitchburg, 22 mi away
Ranked #10 because of its Google rating and trade focus: 3.5★ from 13 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fitchburg, 34 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portage
Ranked #12 because of its Google rating and trade focus: 4.2★ from 10 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fitchburg, 33 mi away
Ranked #13 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 34 mi away
Ranked #14 because of its Google rating and review volume: 4.2★ from 24 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Verona, 33 mi away
Ranked #15 because of its Google rating and trade focus: 2.8★ from 9 Google reviews, listed on Google as “Concrete contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Madison, 33 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 35 mi away
Ranked #17 because of its Google rating and trade focus: 2.9★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
12 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 | 33 mi | |
| AD Pro Services | 36 mi | |
| Area Waterproofing LLC | 39 mi | |
| ASG Seamless Gutters and Metal Roofing | 5.0★ (1) | 29 mi |
| Berlin Foundation Repair | 5.0★ (1) | 39 mi |
| DJ Custom Framing | 5.0★ (1) | In Portage |
| Jones design | 33 mi | |
| Madison Foundation Repair Specialists | 32 mi | |
| Oliwill | 36 mi | |
| Plover Basement Waterproofing | 5.0★ (1) | 33 mi |
| Simonson Concrete Const. | 3.7★ (3) | In Portage |
| Stratus Waterproofing | 5.0★ (2) | 27 mi |
National price ranges in USD, not adjusted for Portage. 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 17 Portage 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 Portage 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 |