43 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Gaffney: Dry Pro Foundation and Crawlspace Specialists, CR Score 87/100; 4.9★ from 2,308 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): GSM Services, posts 24/7 hours; ranked #3 of 43.
Most-reviewed: GSM Services, 3,506 Google reviews at 4.9★, the most of 43 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
43 Gaffney foundation repair companies are ranked here by CR Score, from 8 published factors. 11 are open 24/7, 26 open Saturdays and 18 open Sundays, based on posted hours. The median Google rating is 4.9★ across 43 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Dry Pro Foundation and Crawlspace Specialists | 87 | 4.9★ (2,308) | Belmont, 36 mi away | Sat · Sun · Evenings | Overall |
| 2 | '58 Foundations & Waterproofing | 86 | 4.8★ (527) | Spartanburg, 20 mi away | Sat · Sun · Evenings | — |
| 3 | GSM Services | 85 | 4.9★ (3,506) | Gastonia, 30 mi away | 24/7 | Emergencies, Most reviews |
| 4 | The CrawlSpace King | 83 | 5.0★ (251) | Shelby, 20 mi away | 24/7 | — |
| 5 | JHS Crawlspace Specialist | 83 | 5.0★ (48) | Spartanburg, 24 mi away | Sat · Sun · Evenings | — |
| 6 | Carolina Foundation Solutions | 82 | 4.9★ (14) | Spartanburg, 7 mi away | 24/7 | — |
| 7 | Carolina Foundation Solutions | 82 | 4.8★ (35) | Charlotte, 39 mi away | 24/7 | — |
| 8 | Alpha Air Heating and Cooling | 81 | 5.0★ (482) | Rock Hill, 38 mi away | 24/7 | — |
| 9 | EnergySmith Home Performance | 80 | 4.8★ (90) | Simpsonville, 35 mi away | Sat · Sun | — |
| 10 | Mount Valley Foundation Services | 80 | 4.6★ (509) | Spartanburg, 20 mi away | Sat · Sun · Evenings | — |
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 because of its Google rating and trade focus: 4.9★ from 2,308 Google reviews, listed on Google as “Waterproofing service”.
Based in Spartanburg, 20 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 527 Google reviews, listed on Google as “Waterproofing service”.
Based in Gastonia, 30 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 3,506 Google reviews, the most Google reviews on this list (3,506).
Based in Shelby, 20 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 251 Google reviews, open 24/7.
Based in Spartanburg, 24 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Waterproofing service”.
Based in Spartanburg, 7 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 14 Google reviews, open 24/7.
Based in Charlotte, 39 mi away
Ranked #7 because of its Google rating and availability: 4.8★ from 35 Google reviews, open 24/7.
Based in Rock Hill, 38 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 482 Google reviews, open 24/7.
Based in Simpsonville, 35 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 90 Google reviews, listed on Google as “Waterproofing service”.
Based in Spartanburg, 20 mi away
Ranked #10 because of its Google rating and review volume: 4.6★ from 509 Google reviews, 509 Google reviews.
Based in Greer, 33 mi away
Ranked #11 because of its Google rating and availability: 4.7★ from 111 Google reviews, open 24/7.
Based in Belmont, 39 mi away
Ranked #12 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
Based in Rock Hill, 37 mi away
Ranked #13 because of its Google rating and availability: 4.9★ from 41 Google reviews, open 24/7.
Based in Milton, 38 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
Based in Anderson, 35 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 17 Google reviews, open 24/7.
Based in Gastonia, 28 mi away
Ranked #16 because of its Google rating and availability: 4.7★ from 12 Google reviews, open 24/7.
Based in Gastonia, 36 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 649 Google reviews, 649 Google reviews.
Based in Lake Wylie, 39 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Waterproofing service”.
Based in Spartanburg, 18 mi away
Ranked #19 because of its Google rating and review volume: 4.9★ from 435 Google reviews, 435 Google reviews.
Based in Shelby, 13 mi away
Ranked #20 because of its Google rating and review volume: 4.5★ from 199 Google reviews, 199 Google reviews.
Based in Rock Hill, 37 mi away
Ranked #21 because of its Google rating and review volume: 4.9★ from 184 Google reviews, 184 Google reviews.
Based in Forest City, 21 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 76 Google reviews, listed on Google as “Pest control service”.
Based in Greer, 24 mi away
Ranked #23 because of its Google rating and review volume: 4.6★ from 350 Google reviews, 350 Google reviews.
Based in Charlotte, 39 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Waterproofing service”.
Based in Boiling Springs, 19 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “General contractor”.
#1 to #25 are shown in full above. Here are #26 to #43, in CR Score order; each links to its profile.
15 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 |
|---|---|---|
| AP Concrete Slab Foundation & Quality Concrete Driveway Service | 35 mi | |
| Cherokee Contracting Specialists | In Gaffney | |
| Crawl Space Guardian | 5.0★ (1) | 36 mi |
| DM Crawlspace Repair | 32 mi | |
| Foundations Unlimited LLC | 36 mi | |
| Gusica painting and waterproofing | 39 mi | |
| Home Free Home Inspection LLC | 5.0★ (1) | 32 mi |
| Koala Insulation of Spartanburg | 5.0★ (2) | 18 mi |
| Lamar Foam Insulation | 5.0★ (1) | 35 mi |
| M.M.I. Moisture, Mold, Insulation | 5.0★ (2) | 33 mi |
| One Man Waterproofing LLC | 5.0★ (1) | 22 mi |
| Repair 1 | 4.9★ (47) | In Gaffney |
| Santiz Concrete Finishing | 5.0★ (10) | In Gaffney |
| Solution Foundations | 28 mi | |
| United Concrete Foundations | 1.0★ (1) | 31 mi |
National price ranges in USD, not adjusted for Gaffney. 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 43 Gaffney 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 Gaffney 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 |