10 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Thomaston: Trinity Air Heating & Air Conditioning, CR Score 84/100; 4.9★ from 2,677 Google reviews; open 24/7.
Best for emergencies (open 24/7): Pro-Dri Waterproofing, posts 24/7 hours; ranked #2 of 10.
Most-reviewed: Koala Insulation of South Atlanta, 112 Google reviews at 4.8★, the most of 10 ranked after Trinity Air Heating & Air Conditioning; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
10 Thomaston foundation repair companies are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 5 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 5.0★ across 10 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Trinity Air Heating & Air Conditioning | 84 | 4.9★ (2,677) | Peachtree City, 36 mi away | 24/7 | Overall |
| 2 | Pro-Dri Waterproofing | 79 | 5.0★ (11) | North Druid Hills, 29 mi away | 24/7 | Emergencies |
| 3 | DriWall Waterproofing & Crawl Spaces | 79 | 5.0★ (3) | Griffin, 22 mi away | Sat · Sun | — |
| 4 | RJS Roofing & Construction | 76 | 5.0★ (25) | McDonough, 39 mi away | 24/7 | — |
| 5 | MANN Home Services | 74 | 5.0★ (24) | Alabaster, 23 mi away | — | — |
| 6 | Fortress Foundations and Waterproofing | 72 | 4.8★ (57) | Fayetteville, 37 mi away | — | — |
| 7 | Conaway Enterprises Inc. | 70 | 5.0★ (76) | Griffin, 24 mi away | — | — |
| 8 | NuTech Mold & Water | 69 | 4.9★ (65) | Milton, 24 mi away | — | — |
| 9 | Koala Insulation of South Atlanta | 67 | 4.8★ (112) | Peachtree City, 34 mi away | — | Most reviews |
| 10 | J and j construction | 66 | 3.5★ (4) | Griffin, 28 mi away | Sat · 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 review volume: 4.9★ from 2,677 Google reviews, the most Google reviews on this list (2,677).
Based in North Druid Hills, 29 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Waterproofing service”.
Based in Griffin, 22 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Waterproofing service”.
Based in McDonough, 39 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 25 Google reviews, open 24/7.
Based in Alabaster, 23 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Waterproofing service”.
Based in Fayetteville, 37 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 57 Google reviews, listed on Google as “Waterproofing service”.
Based in Griffin, 24 mi away
Ranked #7 because of its Google rating and review volume: 5.0★ from 76 Google reviews, 76 Google reviews.
Based in Milton, 24 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 65 Google reviews, 65 Google reviews.
Based in Peachtree City, 34 mi away
Ranked #9 because of its Google rating and review volume: 4.8★ from 112 Google reviews, 112 Google reviews.
Based in Griffin, 28 mi away
Ranked #10 because of its Google rating and availability: 3.5★ from 4 Google reviews, open Saturdays until 1:30 PM.
2 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 | Distance |
|---|---|
| Alabama Masonry & Foundation | 28 mi |
| Dependable Roof Repairs | In Thomaston |
National price ranges in USD, not adjusted for Thomaston. 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 10 Thomaston 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 Thomaston 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 |