10 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Greenville: Tiger Plumbing, Heating, Air Conditioning, & Electrical Services, CR Score 82/100; 4.7★ from 5,072 Google reviews; open 24/7.
Best for emergencies (open 24/7): Air Sense Environmental- Radon Mitigation & Testing, posts 24/7 hours; ranked #4 of 10.
Most-reviewed: Woods Basement Systems, Inc., 2,403 Google reviews at 4.7★, the most of 10 ranked after Tiger Plumbing, Heating, Air Conditioning, & Electrical Services; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
10 Greenville foundation repair companies are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 5 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.8★ across 10 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Tiger Plumbing, Heating, Air Conditioning, & Electrical Services | 82 | 4.7★ (5,072) | Collinsville, 33 mi away | 24/7 | Overall |
| 2 | Helitech Waterproofing & Foundation Repair | 82 | 4.9★ (2,201) | East Saint Louis, 39 mi away | Sat | — |
| 3 | Woods Basement Systems, Inc. | 81 | 4.7★ (2,403) | Collinsville, 34 mi away | Sat · Evenings | Most reviews |
| 4 | Air Sense Environmental- Radon Mitigation & Testing | 75 | 5.0★ (124) | Edwardsville, 33 mi away | 24/7 | Emergencies |
| 5 | Honor Heating, Air and Plumbing Inc. | 74 | 4.9★ (40) | East Saint Louis, 37 mi away | 24/7 | — |
| 6 | BDry | 74 | 4.6★ (89) | Highland, 19 mi away | — | — |
| 7 | Woodson | 71 | 3.7★ (6) | Bethalto, 34 mi away | Sat | — |
| 8 | All American | 68 | 4.7★ (12) | Bethalto, 34 mi away | — | — |
| 9 | Darr Roofing | 63 | 5.0★ (17) | Alton, 37 mi away | — | — |
| 10 | Chimnerds | 61 | 5.0★ (5) | East Saint Louis, 39 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 in Greenville
Based in Collinsville, 33 mi away
Ranked #1 because of its Google rating and review volume: 4.7★ from 5,072 Google reviews, the most Google reviews on this list (5,072).
Based in East Saint Louis, 39 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 2,201 Google reviews, listed on Google as “Waterproofing service”.
Based in Collinsville, 34 mi away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 2,403 Google reviews, listed on Google as “Waterproofing service”.
Based in Edwardsville, 33 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 124 Google reviews, open 24/7.
Based in East Saint Louis, 37 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 40 Google reviews, open 24/7.
Based in Highland, 19 mi away
Ranked #6 because of its Google rating and trade focus: 4.6★ from 89 Google reviews, listed on Google as “Waterproofing service”.
Based in Bethalto, 34 mi away
Ranked #7 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Waterproofing service”.
Based in Bethalto, 34 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Waterproofing service”.
Based in Alton, 37 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Roofing contractor”.
Based in East Saint Louis, 39 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Masonry contractor”.
7 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 |
|---|---|---|
| CNC Foundations | 1.0★ (1) | 39 mi |
| Crawlspace Medic of Swansea | 39 mi | |
| D & R Foundations Inc | 5.0★ (1) | In Greenville |
| Foundation Supportworks by Woods | 4.0★ (1) | 36 mi |
| Gerardi Landscaping Services, LLC | 33 mi | |
| Howard Concrete Pumping - St. Louis Branch | 5.0★ (1) | 40 mi |
| Huttes Excavating & Concrete LLC | 3.0★ (2) | 38 mi |
National price ranges in USD, not adjusted for Greenville. 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 10 Greenville 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 Greenville 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 |