88/100CR Score
Ranked #1 because of its Google rating and availability: 4.8★ from 407 Google reviews, open 24/7.
- 4.8★ from 407 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1600 Centreville Ave, Belleville, IL 62220
Best Foundation Repair Companies in Clayton, MO (2026)
79 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Clayton: Acculevel, CR Score 88/100; 4.8★ from 407 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Tiger Plumbing, Heating, Air Conditioning, & Electrical Services, posts 24/7 hours; ranked #3 of 79.
- 3
Most-reviewed: Tiger Plumbing, Heating, Air Conditioning, & Electrical Services, 5,072 Google reviews at 4.7★, the most of 79 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
79 Clayton foundation repair companies are ranked here by CR Score, from 8 published factors. 11 are open 24/7, 36 open Saturdays and 16 open Sundays, based on posted hours. The median Google rating is 4.9★ across 79 rated businesses.
Top 10 foundation repair companies in Clayton at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Acculevel | 88 | 4.8★ (407) | Belleville, 20 mi away | 24/7 | Overall |
| 2 | Helitech Waterproofing & Foundation Repair | 86 | 4.9★ (2,201) | East Saint Louis, 15 mi away | Sat | — |
| 3 | Tiger Plumbing, Heating, Air Conditioning, & Electrical Services | 85 | 4.7★ (5,072) | Collinsville, 20 mi away | 24/7 | Emergencies, Most reviews |
| 4 | Acculevel | 84 | 4.8★ (24) | Chesterfield, 16 mi away | 24/7 | — |
| 5 | Home Shield Foundation Repair | 84 | 5.0★ (265) | O'Fallon, 24 mi away | 24/7 | — |
| 6 | Woods Basement Systems, Inc. | 84 | 4.7★ (2,403) | Collinsville, 19 mi away | Sat · Evenings | — |
| 7 | Mayim Basement Waterproofing | 83 | 4.9★ (25) | East Saint Louis, 4 mi away | Sat · Sun · Evenings | — |
| 8 | Crawlspace Medic of St. Louis | 83 | 4.8★ (128) | St. Louis, 2 mi away | Sat · Evenings | — |
| 9 | Crackstoppers Foundation Repair & Waterproofing | 82 | 5.0★ (26) | Saint Charles, 15 mi away | Sat · Sun · Evenings | — |
| 10 | Rattini Roofing & Exteriors, LLC | 82 | 5.0★ (160) | Chesterfield, 18 mi away | 24/7 | — |
The 79 best foundation repair companies in Clayton, ranked
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.
Based in East Saint Louis, 15 mi away
86/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 2,201 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 2,201 Google reviews
- Hours
- Mon–Fri 7:30 AM–5:30 PM · Sat 8 AM–4 PM · Sun closed
- Address
- 8251 Bunkum Rd, Caseyville, IL 62232
Based in Collinsville, 20 mi away
85/100CR ScoreRanked #3 because of its Google rating and review volume: 4.7★ from 5,072 Google reviews, the most Google reviews on this list (5,072).
- 4.7★ from 5,072 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1902 Vandalia St #100, Collinsville, IL 62234
#4 Acculevel
Based in Chesterfield, 16 mi away
84/100CR ScoreRanked #4 because of its Google rating and availability: 4.8★ from 24 Google reviews, open 24/7.
- 4.8★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 100 Chesterfield Business Pkwy Ste 255, Chesterfield, MO 63005
Based in O'Fallon, 24 mi away
84/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 265 Google reviews, open 24/7.
- 5.0★ from 265 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9390 Veterans Memorial Pkwy, O'Fallon, MO 63366
Based in Collinsville, 19 mi away
84/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 2,403 Google reviews, listed on Google as “Waterproofing service”.
- 4.7★ from 2,403 Google reviews
- Hours
- Mon–Thu 8 AM–8 PM · Fri 8 AM–5 PM · Sat 9 AM–1 PM · Sun closed
- Address
- 524 Vandalia St, Collinsville, IL 62234
Based in East Saint Louis, 4 mi away
83/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 25 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 25 Google reviews
- Hours
- Mon–Fri 7 AM–8 PM · Sat–Sun 9 AM–8 PM
Based in St. Louis, 2 mi away
83/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 128 Google reviews, listed on Google as “Waterproofing service”.
- 4.8★ from 128 Google reviews
- Hours
- Mon–Sat 8 AM–6:30 PM · Sun closed
- Address
- 8204 Exchange Way, St. Louis, MO 63144
Based in Saint Charles, 15 mi away
82/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 26 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat 8 AM–6 PM · Sun 9 AM–3 PM
- Address
- 62 Spring Trail Ct, St Charles, MO 63303
Based in Chesterfield, 18 mi away
82/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 160 Google reviews, open 24/7.
- 5.0★ from 160 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 17957 Rosemar Ln, Glencoe, MO 63038
Based in St. Louis, 7 mi away
81/100CR ScoreRanked #11 because of its Google rating and availability: 4.9★ from 72 Google reviews, open 7 days a week.
- 4.9★ from 72 Google reviews
- Hours
- Mon–Fri 6 AM–10 PM · Sat 7 AM–10 PM · Sun 9 AM–10 PM
- Address
- 1409 Washington Ave Suite 417, St. Louis, MO 63103
Based in Florissant, 12 mi away
80/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 130 Google reviews, listed on Google as “Painting studio”.
- 5.0★ from 130 Google reviews
- Hours
- Mon–Tue closed · Wed–Sun 12 PM–6 PM
- Address
- 20 Patterson Plaza, Florissant, MO 63031
Based in Manchester, 10 mi away
79/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 311 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 311 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 1127 Country Stone Dr, Manchester, MO 63088
Based in Murphy, 11 mi away
79/100CR ScoreRanked #14 because of its Google rating and availability: 1.3★ from 4 Google reviews, open 24/7.
- 1.3★ from 4 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 476 Old Smizer Mill Rd, Fenton, MO 63026
Based in St. Louis, 15 mi away
79/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 32 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 9 AM–1 PM · Sun closed
- Address
- 7038 Grassy Valley Dr, St. Louis, MO 63129
Based in Affton, 22 mi away
78/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.6★ from 168 Google reviews, listed on Google as “Waterproofing service”.
- 4.6★ from 168 Google reviews
- Hours
- Mon–Fri 7:30 AM–5:30 PM · Sat 8 AM–4 PM · Sun closed
Based in Barnhart, 4 mi away
78/100CR ScoreRanked #17 because of its Google rating and availability: 4.8★ from 22 Google reviews, open 24/7.
- 4.8★ from 22 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Arnold, 14 mi away
78/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 202 Google reviews, listed on Google as “Waterproofing service”.
- 4.8★ from 202 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun closed
- Address
- 1000 Fox Chase Industrial Dr, Arnold, MO 63010
Based in Edwardsville, 21 mi away
78/100CR ScoreRanked #19 because of its Google rating and availability: 5.0★ from 124 Google reviews, open 24/7.
- 5.0★ from 124 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025
Based in St. Louis, 2 mi away
77/100CR ScoreRanked #20 because of its Google rating and review volume: 4.9★ from 355 Google reviews, 355 Google reviews.
- 4.9★ from 355 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat 10 AM–12 PM · Sun closed
- Address
- 2619 S Big Bend Blvd, St. Louis, MO 63143
Based in East Saint Louis, 10 mi away
77/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 8 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 9 AM–12 PM · Sun closed
- Address
- 331 Transpoint Dr, Dupo, IL 62239
Based in Columbia, 13 mi away
77/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Foundation”.
- 4.7★ from 15 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 9 AM–12 PM · Sun closed
- Address
- 1950 Westgate Dr, Columbia, IL 62236
Based in Saint Peters, 24 mi away
77/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 59 Google reviews, listed on Google as “Waterproofing service”.
- 4.8★ from 59 Google reviews
- Hours
- Mon–Sat 9 AM–5 PM · Sun closed
Based in Columbia, 15 mi away
77/100CR ScoreRanked #24 because of its Google rating and availability: 4.8★ from 124 Google reviews, open 24/7.
- 4.8★ from 124 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 212 W Locust St, Columbia, IL 62236
Based in East Saint Louis, 22 mi away
77/100CR ScoreRanked #25 because of its Google rating and availability: 4.9★ from 40 Google reviews, open 24/7.
- 4.9★ from 40 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Foundation repair companies ranked #26 to #50
#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 79 ranked foundation repair companies here; the rest are on their profiles.
Also serving Clayton
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 |
|---|---|---|
| Best Masonry Work In St. Louis - Eves Masonry | 4 mi | |
| CNC Foundations | 1.0★ (1) | 15 mi |
| Eagle Eye Exteriors | 5.0★ (1) | 22 mi |
| Eldridge Construction Services Superior General Contracting | 5.0★ (2) | 4 mi |
| Foundation Supportworks by Woods | 4.0★ (1) | 16 mi |
| Gateway Waterproofing & Restoration | 5.0★ (2) | 8 mi |
| Howard Concrete Pumping - St. Louis Branch | 5.0★ (1) | 23 mi |
| KC Construcción | 4 mi | |
| L & L Tuckpointing & Waterproofing | 5 mi | |
| Madison Construction LLC | 4 mi | |
| Metro Services Groups | In Clayton | |
| Painting & Decorating Foundation | 3.0★ (2) | 5 mi |
| Pfeil Landscaping Inc | 5.0★ (1) | 20 mi |
| Roof Experts | 5.0★ (1) | 7 mi |
| Solid Rock Foundation & Flatwork LLC | 4.5★ (2) | 19 mi |
| Steve Baumstark Roofing LLC | 5.0★ (2) | 18 mi |
| T & H Foundations LLC | 1.0★ (1) | 15 mi |
| T's Waterproofing and General Contracting - Gutter Cleaning, Gutter Repair & Installation Service in Madison IL | 5.0★ (2) | 22 mi |
| TOTAL RENOVATIONS CONSTRUCTION AND CONTRACTING LLC | 5.0★ (1) | 7 mi |
| Tri-County Waterproofing Inc | 5.0★ (2) | 23 mi |
How much do foundation repair companies cost in Clayton?
National price ranges in USD, not adjusted for Clayton. 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 |
How we ranked Clayton foundation repair companies
We scored 79 Clayton 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 Clayton 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 |
Foundation repair companies in Clayton: frequently asked questions
Who is the best foundation repair company in Clayton?
By CR Score, the highest-ranked foundation repair company in Clayton, MO is Acculevel with a CR Score of 88/100. It has 4.8★ from 407 Google reviews. It is open 24/7. Helitech Waterproofing & Foundation Repair (#2) and Tiger Plumbing, Heating, Air Conditioning, & Electrical Services (#3) follow. We ranked 79 foundation repair companies on 8 factors, last updated October 22, 2026.
How many foundation repair companies are there in Clayton?
ContractorsRanked ranks 79 foundation repair companies serving Clayton, MO. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which foundation repair companies in Clayton are open 24/7?
11 ranked foundation repair companies in Clayton post 24/7 hours. The highest-ranked are Acculevel (#1), Tiger Plumbing, Heating, Air Conditioning, & Electrical Services (#3) and Acculevel (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Clayton work on weekends?
36 of 79 ranked foundation repair companies post Saturday hours and 16 post Sunday hours. The highest-ranked open Saturdays are Acculevel (#1), Helitech Waterproofing & Foundation Repair (#2) and Tiger Plumbing, Heating, Air Conditioning, & Electrical Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Clayton?
Foundation repair typically costs $2,225 to $8,133, with $5,174 typical (Per project: typical range of customer-reported repairs. US national range). This is a national range, not adjusted for Clayton. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Clayton foundation repair companies have?
The median Google rating among 79 rated foundation repair companies in Clayton is 4.9★, with a median of 24 reviews. Tiger Plumbing, Heating, Air Conditioning, & Electrical Services has the most, 5,072 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank foundation repair companies?
Each foundation repair company gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do foundation repair companies outside Clayton count in this ranking?
Yes, if they are within 40 mi of the Clayton city center, our service radius for foundation repair companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Clayton
- October 2026: CR Scores recalculated for 79 foundation repair companies serving Clayton.
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