63/100CR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 265 Google reviews.
- 5.0★ from 265 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9390 Veterans Memorial Pkwy, O'Fallon, MO 63366
Best Foundation Repair Companies in Lake Saint Louis, MO (2026)
67 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Lake Saint Louis: Home Shield Foundation Repair, CR Score 63/100; 5.0★ from 265 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Acculevel, posts 24/7 hours; ranked #3 of 67.
- 20
Most-reviewed: Koala Insulation of Gateway West & Metro East IL, 528 Google reviews at 4.9★, the most of 67 ranked; ranked #20.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
67 Lake Saint Louis foundation repair companies are ranked here by CR Score, from ten published factors. 7 are open 24/7, 29 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.9★ across 67 rated businesses.
Top 10 foundation repair companies in Lake Saint Louis at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Home Shield Foundation Repair | 63 | 5.0★ (265) | O'Fallon, 3 mi away | 24/7 | Overall |
| 2 | Helitech Waterproofing & Foundation Repair | 60 | 4.6★ (168) | Affton, 6 mi away | Sat | — |
| 3 | Acculevel | 60 | 4.8★ (24) | Chesterfield, 13 mi away | 24/7 | Emergencies |
| 4 | Crackstoppers Foundation Repair & Waterproofing | 59 | 5.0★ (26) | Saint Charles, 13 mi away | Sat · Sun · Evenings | — |
| 5 | Perma Jack of St. Louis | 58 | 4.9★ (311) | Manchester, 23 mi away | — | — |
| 6 | Ram Jack St. Charles | 58 | 4.9★ (72) | Saint Peters, 8 mi away | Evenings | — |
| 7 | Quacker's Waterproofing & Basement Repair | 58 | 4.8★ (59) | Saint Peters, 13 mi away | Sat | — |
| 8 | Rattini Roofing & Exteriors, LLC | 58 | 5.0★ (160) | Chesterfield, 14 mi away | 24/7 | — |
| 9 | Crawlspace Medic of St. Louis | 57 | 4.8★ (128) | St. Louis, 27 mi away | Sat · Evenings | — |
| 10 | Brad's Crack Repair | 56 | 5.0★ (8) | O'Fallon, 2 mi away | Sat | — |
The 67 best foundation repair companies in Lake Saint Louis, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Affton, 6 mi away
60/100CR ScoreRanked #2 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
#3 Acculevel
Based in Chesterfield, 13 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Waterproofing service”.
- 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 Saint Charles, 13 mi away
59/100CR ScoreRanked #4 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 Manchester, 23 mi away
58/100CR ScoreRanked #5 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 Saint Peters, 8 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 72 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 72 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun closed
- Address
- 5377 State Rte N Ste 479, Cottleville, MO 63304
Based in Saint Peters, 13 mi away
58/100CR ScoreRanked #7 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 Chesterfield, 14 mi away
58/100CR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 160 Google reviews.
- 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, 27 mi away
57/100CR ScoreRanked #9 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 O'Fallon, 2 mi away
56/100CR ScoreRanked #10 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–Sat 8 AM–5 PM · Sun closed
- Address
- 9 Mingo Ln, O'Fallon, MO 63367
Based in Arnold, 33 mi away
56/100CR ScoreRanked #11 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 Florissant, 25 mi away
56/100CR ScoreRanked #12 because of its Google rating and review volume: 5.0★ from 130 Google reviews.
- 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 Chesterfield, 13 mi away
56/100CR ScoreRanked #13 because of its Google rating and review volume: 4.9★ from 324 Google reviews.
- 4.9★ from 324 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 9 AM–12 PM · Sun closed
- Address
- 17600 Chesterfield Airport Rd Suite 203, Chesterfield, MO 63005
Based in East Saint Louis, 31 mi away
56/100CR ScoreRanked #14 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
#15 Acculift
Based in Wentzville, 8 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.5★ from 44 Google reviews, listed on Google as “Waterproofing service”.
- 4.5★ from 44 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 653 Foristell Rd, Wentzville, MO 63385
Based in Saint Charles, 18 mi away
55/100CR ScoreRanked #16 because of its Google rating and review volume: 5.0★ from 304 Google reviews.
- 5.0★ from 304 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 9 AM–12 PM · Sun closed
- Address
- 100 Hawning Rd Unit C, St Charles, MO 63301
Based in Eureka, 27 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 80 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 80 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 2103 Penta Dr, High Ridge, MO 63049
#18 Crack Doctor STL
Based in Saint Peters, 13 mi away
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 3 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
Based in Murphy, 27 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 93 Google reviews, listed on Google as “Waterproofing service”.
- 4.8★ from 93 Google reviews
- Hours
- Mon–Thu 9 AM–3 PM · Fri–Sun closed
- Address
- 524 Gravois Rd, Fenton, MO 63026
Based in Bridgeton, 18 mi away
54/100CR ScoreRanked #20 because of its Google rating and review volume: 4.9★ from 528 Google reviews, the most in Lake Saint Louis.
- 4.9★ from 528 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 13590 NW Industrial Dr, Bridgeton, MO 63044
Based in St. Louis, 35 mi away
54/100CR ScoreRanked #21 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 St. Louis, 34 mi away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 72 Google reviews, listed on Google as “Concrete contractor”.
- 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 St. Louis, 28 mi away
53/100CR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 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 Murphy, 27 mi away
53/100CR ScoreRanked #24 because of its Google rating and trade focus: 1.3★ from 4 Google reviews, listed on Google as “Waterproofing service”.
- 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 Saint Peters, 14 mi away
52/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 15 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 9 AM–5 PM · Sun closed
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 67 ranked foundation repair companies here; the rest are on their profiles.
Also serving Lake Saint Louis
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.
How much do foundation repair companies cost in Lake Saint Louis?
National price ranges in USD, not adjusted for Lake Saint Louis. 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 Lake Saint Louis foundation repair companies
We scored 67 Lake Saint Louis 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 Lake Saint Louis 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 |
Foundation repair companies in Lake Saint Louis: frequently asked questions
Who is the best foundation repair company in Lake Saint Louis?
By CR Score, the highest-ranked foundation repair company in Lake Saint Louis, MO is Home Shield Foundation Repair with a CR Score of 63/100. It has 5.0★ from 265 Google reviews. It is open 24/7. Helitech Waterproofing & Foundation Repair (#2) and Acculevel (#3) follow. We ranked 67 foundation repair companies on ten factors, last updated October 22, 2026.
How many foundation repair companies are there in Lake Saint Louis?
ContractorsRanked ranks 67 foundation repair companies serving Lake Saint Louis, MO. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which foundation repair companies in Lake Saint Louis are open 24/7?
7 ranked foundation repair companies in Lake Saint Louis post 24/7 hours. The highest-ranked are Home Shield Foundation Repair (#1), Acculevel (#3) and Rattini Roofing & Exteriors, LLC (#8). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Lake Saint Louis work on weekends?
29 of 67 ranked foundation repair companies post Saturday hours and 12 post Sunday hours. The highest-ranked open Saturdays are Home Shield Foundation Repair (#1), Helitech Waterproofing & Foundation Repair (#2) and Acculevel (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Lake Saint Louis?
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 Lake Saint Louis. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Lake Saint Louis foundation repair companies have?
The median Google rating among 67 rated foundation repair companies in Lake Saint Louis is 4.9★, with a median of 24 reviews. Koala Insulation of Gateway West & Metro East IL has the most, 528 reviews, and ranks #20. 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do foundation repair companies outside Lake Saint Louis count in this ranking?
Yes, if they are within 40 mi of the Lake Saint Louis 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 Lake Saint Louis
- October 2026: CR Scores recalculated for 67 foundation repair companies serving Lake Saint Louis.
More foundation repair companies and Lake Saint Louis pages
Foundation repair companies near Lake Saint Louis
- Foundation repair companies in Dardenne Prairie, MO73 ranked
- Foundation repair companies in Wentzville, MO60 ranked
- Foundation repair companies in O'Fallon, MO73 ranked
- Foundation repair companies in Weldon Spring, MO77 ranked
- Foundation repair companies in Saint Peters, MO77 ranked
- Foundation repair companies in Chesterfield, MO79 ranked
- Foundation repair companies in Wildwood, MO75 ranked
- Foundation repair companies in Troy, MO32 ranked
- Foundation repair companies in Saint Charles, MO80 ranked
- Foundation repair companies in Ellisville, MO79 ranked
Other trades in Lake Saint Louis
- Roofers in Lake Saint Louis609 ranked
- Plumbers in Lake Saint Louis188 ranked
- Electricians in Lake Saint Louis144 ranked
- HVAC contractors in Lake Saint Louis248 ranked
- General contractors in Lake Saint Louis341 ranked
- Painters in Lake Saint Louis103 ranked
- Landscapers in Lake Saint Louis141 ranked
- Handymen in Lake Saint Louis49 ranked
- Kitchen remodelers in Lake Saint Louis197 ranked
- Bathroom remodelers in Lake Saint Louis202 ranked
- Flooring contractors in Lake Saint Louis155 ranked
- Tile installers in Lake Saint Louis34 ranked
- Drywall contractors in Lake Saint Louis13 ranked
- Concrete contractors in Lake Saint Louis161 ranked
- Fence contractors in Lake Saint Louis67 ranked
- Deck builders in Lake Saint Louis124 ranked
- Siding contractors in Lake Saint Louis257 ranked
- Window installers in Lake Saint Louis175 ranked
- Gutter installers in Lake Saint Louis126 ranked
- Insulation contractors in Lake Saint Louis38 ranked
- Solar installers in Lake Saint Louis49 ranked
- Garage door repair companies in Lake Saint Louis70 ranked
- Tree services in Lake Saint Louis162 ranked
- Masonry contractors in Lake Saint Louis72 ranked
- Water damage restoration companies in Lake Saint Louis221 ranked
- Home builders in Lake Saint Louis224 ranked
- Demolition contractors in Lake Saint Louis28 ranked
- All contractors in Lake Saint Louis