86 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Harvard: U.S. Waterproofing, CR Score 87/100; 4.6★ from 1,411 Google reviews; open 24/7.
Best for emergencies (open 24/7): Flood Pros Waterproofing, posts 24/7 hours; ranked #2 of 86.
Most-reviewed: Real Seal Basement Waterproofing & Foundation Repair, 577 Google reviews at 4.9★, the most of 86 ranked after U.S. Waterproofing; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
86 Harvard foundation repair companies are ranked here by CR Score, from 8 published factors. 16 are open 24/7, 59 open Saturdays and 26 open Sundays, based on posted hours. The median Google rating is 4.9★ across 86 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | U.S. Waterproofing | 87 | 4.6★ (1,411) | Schaumburg, 38 mi away | 24/7 | Overall |
| 2 | Flood Pros Waterproofing | 86 | 5.0★ (32) | Roscoe, 21 mi away | 24/7 | Emergencies |
| 3 | Flood Pros Water Damage Restoration | 83 | 4.9★ (322) | Machesney Park, 21 mi away | 24/7 | — |
| 4 | Daleen Services | 82 | 4.9★ (77) | Lake Geneva, 14 mi away | 24/7 | — |
| 5 | Aqua Doctor Plumbing | 81 | 4.8★ (211) | Round Lake, 25 mi away | 24/7 | — |
| 6 | K.B.I Sewer & Drainage | 81 | 4.8★ (113) | Johnsburg, 19 mi away | 24/7 | — |
| 7 | Family Rooter Plumbing and Sewer IL | 81 | 4.8★ (140) | Fox Lake, 22 mi away | 24/7 | — |
| 8 | A-Proseal | 81 | 5.0★ (95) | Wauconda, 25 mi away | Sat · Evenings | — |
| 9 | Kelce And Company | 80 | 4.9★ (89) | Rockford, 27 mi away | 24/7 | — |
| 10 | Crack Master Chicago, Inc. | 80 | 5.0★ (23) | Mundelein, 33 mi away | Sat · Sun | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.6★ from 1,411 Google reviews, the most Google reviews on this list (1,411).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Roscoe, 21 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 32 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Machesney Park, 21 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 322 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lake Geneva, 14 mi away
Ranked #4 because of its Google rating and availability: 4.9★ from 77 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Round Lake, 25 mi away
Ranked #5 because of its Google rating and availability: 4.8★ from 211 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Johnsburg, 19 mi away
Ranked #6 because of its Google rating and availability: 4.8★ from 113 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fox Lake, 22 mi away
Ranked #7 because of its Google rating and availability: 4.8★ from 140 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wauconda, 25 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 95 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockford, 27 mi away
Ranked #9 because of its Google rating and availability: 4.9★ from 89 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mundelein, 33 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Elgin, 30 mi away
Ranked #11 because of its Google rating and availability: 4.9★ from 82 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fort Atkinson, 37 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Countryside, 23 mi away
Ranked #13 because of its Google rating and availability: 4.8★ from 46 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carpentersville, 27 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Antioch, 37 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint Charles, 37 mi away
Ranked #16 because of its Google rating and availability: 4.8★ from 94 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Barrington, 28 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Schaumburg, 39 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 577 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockton, 23 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Waterproofing service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Janesville, 27 mi away
Ranked #20 because of its Google rating and availability: 4.6★ from 33 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Caledonia, 37 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Beach Park, 38 mi away
Ranked #22 because of its Google rating and review volume: 4.8★ from 283 Google reviews, 283 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ashwaubenon, 11 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 on 6 of 8 factors; credentials and recency not yet collected.
Based in McHenry, 17 mi away
Ranked #24 because of its Google rating and availability: 5.0★ from 23 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Machesney Park, 24 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Concrete contractor”.
Based on 6 of 8 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. We publish the top 50 of 86 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 | 15 mi | |
| Affordable Construction Company | 3.8★ (4) | In Harvard |
| AJ Foundation Crack Repairs | 37 mi | |
| Asset maintenance Services LLC | In Harvard | |
| Asset Maintenance Services, L.L.C. | 5.0★ (1) | In Harvard |
| BahrkeBuilt LLC | 5.0★ (1) | In Harvard |
| Central States Professional Waterproofing | 28 mi | |
| Chicagoland Basement Authorities | 1.0★ (1) | 13 mi |
| Covenant Waterproofing | 5.0★ (2) | 28 mi |
| Harvard Construction & Services Corp | 5.0★ (5) | In Harvard |
| Janesville Basement Waterproofing Experts | 28 mi | |
| LA Basement Waterproofing LLC | 5.0★ (2) | 26 mi |
| Midwest Roof Restoration and Waterproofing LLC - Commercial Roof Replacement | 22 mi | |
| Premier Concrete Construction Inc | 5.0★ (2) | 24 mi |
| Sebright Water-proofing | 5.0★ (1) | 33 mi |
| Sound Foundation & Concrete Repair | 36 mi | |
| Timber Green Inc. | 4.8★ (16) | In Harvard |
| ULB-DRY Waterproofing | 38 mi | |
| US Waterproofing & Construction Co | 18 mi | |
| Xceptional Exteriors LLC | 22 mi |
National price ranges in USD, not adjusted for Harvard. 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 86 Harvard foundation repair companies on 8 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. Unknown factors are left out of the score, 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 Harvard data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |