33 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Signal Mountain: AFS Foundation & Waterproofing Specialists, CR Score 62/100; 4.9★ from 1,330 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Crawl Space Ninja of N Georgia, posts 24/7 hours; ranked #3 of 33.
Most-reviewed: United Structural Systems, 423 Google reviews at 5.0★, the most of 33 ranked after AFS Foundation & Waterproofing Specialists; ranked #20.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
33 Signal Mountain foundation repair companies are ranked here by CR Score, from ten published factors. 8 are open 24/7, 18 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 5.0★ across 33 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | AFS Foundation & Waterproofing Specialists | 62 | 4.9★ (1,330) | Chattanooga, 6 mi away | Sat · Sun · Evenings | Overall |
| 2 | Crawlspace Medic of Chattanooga | 62 | 5.0★ (257) | Chattanooga, 8 mi away | Sat · Evenings | — |
| 3 | Crawl Space Ninja of N Georgia | 61 | 4.9★ (197) | LaFayette, 24 mi away | 24/7 | Emergencies |
| 4 | DFX Foundation & Waterproofing Experts | 59 | 5.0★ (154) | Chattanooga, 11 mi away | 24/7 | — |
| 5 | Basement Correctors | 59 | 5.0★ (46) | Fairview, 5 mi away | Sat · Evenings | — |
| 6 | Clean Crawlspace and Pest | 59 | 5.0★ (81) | Dalton, 33 mi away | 24/7 | — |
| 7 | Elite Crawlspace Encapsulation | 58 | 4.5★ (17) | Chattanooga, 11 mi away | 24/7 | — |
| 8 | GreenFrog LLC | 57 | 4.9★ (35) | Dayton, 32 mi away | 24/7 | — |
| 9 | DrySafe | 55 | 5.0★ (6) | Chattanooga, 5 mi away | Sat · Evenings | — |
| 10 | DryTec Waterproofing & Foundation Services | 55 | 5.0★ (34) | Fairview, 12 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 in Signal Mountain
Based in Chattanooga, 6 mi away
Ranked #1 because of its Google rating and review volume: 4.9★ from 1,330 Google reviews, the most in Signal Mountain.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 8 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 257 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in LaFayette, 24 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 197 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 11 mi away
Ranked #4 because of its Google rating and review volume: 5.0★ from 154 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairview, 5 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dalton, 33 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 11 mi away
Ranked #7 because of its Google rating and trade focus: 4.5★ from 17 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dayton, 32 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 5 mi away
Ranked #9 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 Fairview, 12 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 6 mi away
Ranked #11 because of its Google rating and trade focus: 3.8★ from 14 Google reviews, listed on Google as “Foundation”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Chattanooga, 8 mi away
Ranked #12 because of its Google rating and review volume: 4.9★ from 108 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 31 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairview, 18 mi away
Ranked #14 because of its Google rating and review volume: 5.0★ from 54 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in LaFayette, 5 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 10 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 5 mi away
Ranked #16 because of its Google rating and trade focus: 4.6★ from 39 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Soddy-Daisy, 10 mi away
Ranked #17 because of its Google rating and review volume: 4.9★ from 258 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Soddy-Daisy, 12 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 15 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cleveland, 26 mi away
Ranked #20 because of its Google rating and review volume: 5.0★ from 423 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Crystal Lake, 30 mi away
Ranked #21 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 6 mi away
Ranked #22 because of its Google rating and review volume: 4.9★ from 67 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 12 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 7 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairview, 13 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Masonry contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Signal Mountain. 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 33 Signal Mountain 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 Signal Mountain 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 |