73 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Delavan: Flood Pros Waterproofing, CR Score 60/100; 5.0★ from 32 Google reviews; open 24/7.
Best for emergencies (open 24/7): Flood Pros Water Damage Restoration, posts 24/7 hours; ranked #3 of 73.
Most-reviewed: Flood Pros Water Damage Restoration, 322 Google reviews at 4.9★, the most of 73 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
73 Delavan foundation repair companies are ranked here by CR Score, from ten published factors. 17 are open 24/7, 40 open Saturdays and 18 open Sundays, based on posted hours. The median Google rating is 4.9★ across 73 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Flood Pros Waterproofing | 60 | 5.0★ (32) | Roscoe, 24 mi away | 24/7 | Overall |
| 2 | A+ Environmental, Inc. | 58 | 4.9★ (34) | Fort Atkinson, 23 mi away | Sat · Sun | — |
| 3 | Flood Pros Water Damage Restoration | 58 | 4.9★ (322) | Machesney Park, 26 mi away | 24/7 | Emergencies, Most reviews |
| 4 | Daleen Services | 58 | 4.9★ (77) | Lake Geneva, 7 mi away | 24/7 | — |
| 5 | A-Proseal | 57 | 5.0★ (95) | Wauconda, 35 mi away | Sat · Evenings | — |
| 6 | The Mudjackers LLC | 56 | 4.9★ (123) | Waukesha, 31 mi away | — | — |
| 7 | Aqua Doctor Plumbing | 55 | 4.8★ (211) | Round Lake, 32 mi away | 24/7 | — |
| 8 | Family Rooter Plumbing and Sewer IL | 55 | 4.8★ (140) | Fox Lake, 29 mi away | 24/7 | — |
| 9 | Rote's Landscaping And Waterproofing | 55 | 4.9★ (71) | Janesville, 18 mi away | 24/7 | — |
| 10 | Haubrich Masonry | 55 | 5.0★ (31) | Caledonia, 32 mi away | Sat | — |
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: 5.0★ from 32 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Atkinson, 23 mi away
Ranked #2 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 Machesney Park, 26 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 322 Google reviews, the most in Delavan.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Geneva, 7 mi away
Ranked #4 because of its Google rating and review volume: 4.9★ from 77 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wauconda, 35 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 95 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waukesha, 31 mi away
Ranked #6 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 Round Lake, 32 mi away
Ranked #7 because of its Google rating and review volume: 4.8★ from 211 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fox Lake, 29 mi away
Ranked #8 because of its Google rating and review volume: 4.8★ from 140 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Janesville, 18 mi away
Ranked #9 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 Caledonia, 32 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Johnsburg, 27 mi away
Ranked #11 because of its Google rating and review volume: 4.8★ from 113 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Roscoe, 25 mi away
Ranked #12 because of its Google rating and review volume: 4.9★ from 237 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Carpentersville, 40 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Barrington, 39 mi away
Ranked #14 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 Waukesha, 33 mi away
Ranked #15 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 Roscoe, 25 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 35 mi away
Ranked #17 because of its Google rating and review volume: 4.9★ from 89 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brookfield, 40 mi away
Ranked #18 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 Janesville, 18 mi away
Ranked #19 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 Machesney Park, 26 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Franklin, 37 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 52 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Antioch, 39 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Beloit, 19 mi away
Ranked #23 because of its Google rating and review volume: 5.0★ from 128 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Caledonia, 31 mi away
Ranked #24 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 Rockton, 25 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Waterproofing service”.
Based on 7 of 10 factors; credentials, recency and availability 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. We publish the top 50 of 73 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 |
|---|---|---|
| ABSOLUTE Foundation Crack Repair & Drain Tile Systems, LLC | 24 mi | |
| Alpha Insulation & Waterproofing | 34 mi | |
| American Concrete & Excavating LLC | 5.0★ (5) | In Delavan |
| Best Basement Waterproofing Milwaukee | 5.0★ (1) | 37 mi |
| Borskie Concrete Construction LLC | 5.0★ (61) | In Delavan |
| Chicagoland Basement Authorities | 1.0★ (1) | 26 mi |
| Custom Concrete Coatings | 30 mi | |
| Everdry Waterproofing of Wisconsin | 36 mi | |
| Janesville Basement Waterproofing Experts | 19 mi | |
| JCR Restoration LLC | 5.0★ (2) | 35 mi |
| LA Basement Waterproofing LLC | 5.0★ (2) | 33 mi |
| Midwest Roof Restoration and Waterproofing LLC - Commercial Roof Replacement | 36 mi | |
| Premier Concrete Construction Inc | 5.0★ (2) | 33 mi |
| Premier Construction and Design | 4.7★ (39) | In Delavan |
| Rooter Rite Plumbing, Sewer & drainage | 5.0★ (1) | 38 mi |
| shan concrete & landscaping | 5.0★ (8) | In Delavan |
| US Waterproofing & Construction Co | 27 mi | |
| Watertight Masonry LLC | 27 mi | |
| Wisconsin Foundation Specialist | 5.0★ (2) | 36 mi |
| Xceptional Exteriors LLC | 30 mi |
National price ranges in USD, not adjusted for Delavan. 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 73 Delavan 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 Delavan 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 |