21 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Sumter: Crawlspace Medic of Columbia, CR Score 59/100; 5.0★ from 367 Google reviews; open Saturdays until 6:30 PM.
Best for emergencies (open 24/7): Vapor-X Crawlspaces, posts 24/7 hours; ranked #2 of 21.
Most-reviewed: Cantey Foundation Specialists, 518 Google reviews at 4.7★, the most of 21 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
21 Sumter foundation repair companies are ranked here by CR Score, from ten published factors. 3 are open 24/7, 14 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.9★ across 21 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Crawlspace Medic of Columbia | 59 | 5.0★ (367) | Columbia, 39 mi away | Sat · Evenings | Overall |
| 2 | Vapor-X Crawlspaces | 58 | 5.0★ (76) | Irmo, 39 mi away | 24/7 | Emergencies |
| 3 | Crawlspace Medic of Sumter | 57 | 5.0★ (7) | Sumter | — | — |
| 4 | Mount Valley Foundation Services | 56 | 4.7★ (509) | Columbia, 37 mi away | Sat · Sun · Evenings | — |
| 5 | CNT Foundations | 56 | 4.5★ (24) | Columbia, 34 mi away | 24/7 | — |
| 6 | Cantey Foundation Specialists | 54 | 4.7★ (518) | Camden, 27 mi away | — | Most reviews |
| 7 | Ellis Moisture Control | 52 | 5.0★ (6) | Woodfield, 28 mi away | Sat · Evenings | — |
| 8 | S&J Waterproofing | 52 | 4.8★ (16) | Concord, 38 mi away | Sat · Evenings | — |
| 9 | My creepy crawlers | 51 | 5.0★ (5) | Concord, 38 mi away | Sat · Sun · Evenings | — |
| 10 | Queen Foundation Repair | 50 | 4.9★ (38) | Cayce, 38 mi away | Sat | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 367 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Irmo, 39 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sumter
Ranked #3 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Waterproofing service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Columbia, 37 mi away
Ranked #4 because of its Google rating and review volume: 4.7★ from 509 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Columbia, 34 mi away
Ranked #5 because of its Google rating and trade focus: 4.5★ from 24 Google reviews, listed on Google as “Foundation”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Camden, 27 mi away
Ranked #6 because of its Google rating and review volume: 4.7★ from 518 Google reviews, the most in Sumter.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Woodfield, 28 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 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 38 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 38 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cayce, 38 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Columbia, 38 mi away
Ranked #11 because of its Google rating and review volume: 4.8★ from 23 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hartsville, 32 mi away
Ranked #12 because of its Google rating and review volume: 5.0★ from 48 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Camden, 27 mi away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 17 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cayce, 36 mi away
Ranked #14 because of its Google rating and review volume: 4.7★ from 85 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Camden, 22 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Columbia, 37 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 48 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Columbia, 40 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Huntersville, 38 mi away
Ranked #18 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “Water damage restoration service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Camden, 27 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Kitchen remodeler”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Berea, 38 mi away
Ranked #20 because of its Google rating and trade focus: 2.8★ from 4 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gantt, 32 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
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 |
|---|---|---|
| Ace of Trades Contracting, LLC | 4.2★ (6) | In Sumter |
| AMB Construction | 5.0★ (2) | In Sumter |
| American Pro-Build | 4.0★ (4) | In Sumter |
| Associated Contractors White Roofing Inc | 37 mi | |
| B & D Masonry LLC | In Sumter | |
| B & D Masonry LLC | In Sumter | |
| Burch's Landscaping & Irrigation Inc. | 4.9★ (50) | In Sumter |
| Chicora Foundation Inc | 5.0★ (2) | 37 mi |
| Clean Cut Lawn Care & Landscaping | 4.8★ (80) | In Sumter |
| DockMasters Marine & Land | 5.0★ (2) | In Sumter |
| DuBose Outdoor Services LLC | 5.0★ (22) | In Sumter |
| Fenton Bennett Enterprise | In Sumter | |
| Goodwin Roofing | 35 mi | |
| J F Contractors, LLC | 5.0★ (3) | In Sumter |
| Next Level Concrete Cutting & Pouring | 4.9★ (62) | In Sumter |
| Roofco Inc | 3.7★ (13) | In Sumter |
| SERVPRO of Sumter | 4.9★ (68) | In Sumter |
| TFC The Fence Company of Sumter | 5.0★ (60) | In Sumter |
| wet paint coatings | 36 mi | |
| Wja Construction | In Sumter |
National price ranges in USD, not adjusted for Sumter. 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 21 Sumter 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 Sumter 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 |