16 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Whitemarsh Island: Lowcountry Foundation and Crawl Space Repair, CR Score 62/100; 4.9★ from 977 Google reviews; open Saturdays until 5 PM.
Best for emergencies (open 24/7): Savannah Roofing Experts LLC, posts 24/7 hours; ranked #3 of 16.
Most-reviewed: Crawlspace Medic of Savannah, 173 Google reviews at 4.9★, the most of 16 ranked after Lowcountry Foundation and Crawl Space Repair; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
16 Whitemarsh Island foundation repair companies are ranked here by CR Score, from ten published factors. 3 are open 24/7, 9 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.9★ across 16 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Lowcountry Foundation and Crawl Space Repair | 62 | 4.9★ (977) | Rincon, 19 mi away | Sat · Evenings | Overall |
| 2 | Crawlspace Medic of Savannah | 61 | 4.9★ (173) | Savannah, 4 mi away | Sat · Evenings | Most reviews |
| 3 | Savannah Roofing Experts LLC | 57 | 4.8★ (91) | Savannah, 3 mi away | 24/7 | Emergencies |
| 4 | Foundation Up Services LLC | 57 | 4.8★ (79) | Bluffton, 17 mi away | 24/7 | — |
| 5 | Mount Valley Foundation Services | 56 | 4.9★ (46) | Savannah, 6 mi away | Sat · Sun · Evenings | — |
| 6 | Solid Foundation | 53 | 5.0★ (6) | Port Wentworth, 6 mi away | Sat · Sun · Evenings | — |
| 7 | Sea Islands Crawlspace | 53 | 5.0★ (54) | Beaufort, 34 mi away | — | — |
| 8 | Islands Crawlspace, Hilton Head, SC Basement Repair / Encapsulation | 52 | 5.0★ (39) | Savannah, 7 mi away | Sat | — |
| 9 | GA Savannah French Drain | 52 | 5.0★ (9) | Port Wentworth, 11 mi away | 24/7 | — |
| 10 | Koala Insulation of Savannah | 51 | 4.9★ (83) | Port Wentworth, 6 mi away | — | — |
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.
Ranked #1 in Whitemarsh Island
Based in Rincon, 19 mi away
Ranked #1 because of its Google rating and review volume: 4.9★ from 977 Google reviews, the most in Whitemarsh Island.
Based in Savannah, 4 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 173 Google reviews, listed on Google as “Waterproofing service”.
Based in Savannah, 3 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 91 Google reviews.
Based in Bluffton, 17 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 79 Google reviews, listed on Google as “Handyman/Handywoman/Handyperson”.
Based in Savannah, 6 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 46 Google reviews, listed on Google as “Concrete contractor”.
Based in Port Wentworth, 6 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Concrete contractor”.
Based in Beaufort, 34 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “Waterproofing service”.
Based in Savannah, 7 mi away
Ranked #8 because of its Google rating and review volume: 5.0★ from 39 Google reviews.
Based in Port Wentworth, 11 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 24/7.
Based in Port Wentworth, 6 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 83 Google reviews.
Based in Savannah, 11 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Concrete contractor”.
Based in Pooler, 15 mi away
Ranked #12 because of its Google rating and review volume: 4.9★ from 44 Google reviews.
Based in Port Wentworth, 14 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Concrete contractor”.
Based in Bluffton, 17 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Concrete contractor”.
Based in Beaufort, 38 mi away
Ranked #15 because of its Google rating and trade focus: 4.5★ from 6 Google reviews, listed on Google as “Building restoration service”.
Based in Beaufort, 31 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Insulation contractor”.
National price ranges in USD, not adjusted for Whitemarsh Island. 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 16 Whitemarsh Island 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 Whitemarsh Island 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 |