28 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Mount Pleasant: Crawlspace Medic of Charleston, CR Score 88/100; 5.0★ from 200 Google reviews; open Saturdays until 6:30 PM.
Best for emergencies (open 24/7): CNT Foundations, posts 24/7 hours; ranked #2 of 28.
Most-reviewed: Southline Roofing & Exteriors, 588 Google reviews at 4.9★, the most of 28 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
28 Mount Pleasant foundation repair companies are ranked here by CR Score, from 8 published factors. 4 are open 24/7, 12 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.9★ across 28 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Crawlspace Medic of Charleston | 88 | 5.0★ (200) | Charleston, 1 mi away | Sat · Evenings | Overall |
| 2 | CNT Foundations | 87 | 4.6★ (327) | North Charleston, 8 mi away | 24/7 | Emergencies |
| 3 | Mount Valley Foundation Services | 86 | 4.8★ (478) | Charleston, 9 mi away | Sat · Sun · Evenings | — |
| 4 | Charlestowne Crawlspace | 86 | 5.0★ (40) | Charleston, 8 mi away | Sat · Sun · Evenings | — |
| 5 | Walsh Crawlspace and Structural Repair | 82 | 4.7★ (6) | Charleston, 2 mi away | — | — |
| 6 | Southline Roofing & Exteriors | 82 | 4.9★ (588) | Charleston, 8 mi away | Sat | Most reviews |
| 7 | Crawl Space Ninja of Charleston | 81 | 5.0★ (6) | Charleston, 8 mi away | — | — |
| 8 | Lowcountry Remediation | 80 | 5.0★ (72) | Charleston, 33 mi away | 24/7 | — |
| 9 | Crawl Logic Lowcountry | 80 | 5.0★ (52) | Charleston, 8 mi away | Sat · Sun · Evenings | — |
| 10 | Your Crawlspace Vapor Barrier Systems | 79 | 4.9★ (100) | Charleston, 14 mi away | — | — |
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 trade focus: 5.0★ from 200 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Charleston, 8 mi away
Ranked #2 because of its Google rating and availability: 4.6★ from 327 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 9 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 478 Google reviews, 478 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 8 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 2 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 6 Google reviews, listed on Google as “Waterproofing service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Charleston, 8 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 588 Google reviews, the most Google reviews on this list (588).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 8 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Waterproofing service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Charleston, 33 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 72 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 8 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 52 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 14 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 100 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Summerville, 23 mi away
Ranked #11 because of its Google rating and availability: 4.4★ from 63 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Camden, 25 mi away
Ranked #12 because of its Google rating and availability: 4.6★ from 30 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 2 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Charleston, 9 mi away
Ranked #14 because of its Google rating and review volume: 4.7★ from 309 Google reviews, 309 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 22 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 87 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 7 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 12 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 3 mi away
Ranked #18 because of its Google rating and review volume: 4.2★ from 27 Google reviews, 27 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Goose Creek, 31 mi away
Ranked #19 because of its Google rating and review volume: 5.0★ from 66 Google reviews, 66 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Charleston, 15 mi away
Ranked #20 because of its Google rating and trade focus: 4.1★ from 7 Google reviews, listed on Google as “Concrete contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Moncks Corner, 28 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Construction company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Goose Creek, 12 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Charleston, 8 mi away
Ranked #23 because of its Google rating and trade focus: 4.5★ from 14 Google reviews, listed on Google as “Concrete contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Charleston, 10 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Goose Creek, 16 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Mount Pleasant. 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 28 Mount Pleasant 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 Mount Pleasant 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 |