Ranked #1 because of its Google rating and availability: 5.0★ from 44 Google reviews, open 24/7.
- 5.0★ from 44 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
124 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Thompson: Mastercraft Waterproofing, CR Score 90/100; 5.0★ from 44 Google reviews; open 24/7.
Best for emergencies (open 24/7): All Pro Basement Waterproofing Inc, posts 24/7 hours; ranked #2 of 124.
Most-reviewed: Groundworks, 1,799 Google reviews at 4.7★, the most of 124 ranked; ranked #15.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
124 Thompson foundation repair companies are ranked here by CR Score, from 8 published factors. 34 are open 24/7, 85 open Saturdays and 55 open Sundays, based on posted hours. The median Google rating is 5.0★ across 124 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mastercraft Waterproofing | 90 | 5.0★ (44) | Thompson | 24/7 | Overall |
| 2 | All Pro Basement Waterproofing Inc | 87 | 5.0★ (101) | Ashland, 30 mi away | 24/7 | Emergencies |
| 3 | Eastern Waterproofing Co Inc | 85 | 4.9★ (111) | Manchester, 37 mi away | 24/7 | — |
| 4 | BG Foundation Repair | 84 | 5.0★ (36) | Marlborough, 32 mi away | 24/7 | — |
| 5 | Effective Waterproofing | 84 | 4.9★ (37) | Grafton, 34 mi away | 24/7 | — |
| 6 | Basements pro foundations corp | 83 | 4.5★ (6) | Ashland, 11 mi away | 24/7 | — |
| 7 | Knights masonry & waterproofing | 82 | 5.0★ (102) | Framingham, 33 mi away | 24/7 | — |
| 8 | JLB Masonry & Waterproofing, Basement Repair, Chimney Repair | 81 | 5.0★ (106) | Windsor Locks, 40 mi away | 24/7 | — |
| 9 | A-1 Foundation Crack Repair, Inc. | 81 | 4.9★ (495) | Hudson, 33 mi away | Sat · Sun · Evenings | — |
| 10 | Crack B Gone LLC | 81 | 5.0★ (17) | Torrington, 22 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 availability: 5.0★ from 44 Google reviews, open 24/7.
Based in Ashland, 30 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 101 Google reviews, open 24/7.
Based in Manchester, 37 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 111 Google reviews, open 24/7.
Based in Marlborough, 32 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 36 Google reviews, open 24/7.
Based in Grafton, 34 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 37 Google reviews, open 24/7.
Based in Ashland, 11 mi away
Ranked #6 because of its Google rating and availability: 4.5★ from 6 Google reviews, open 24/7.
Based in Framingham, 33 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 102 Google reviews, open 24/7.
Based in Windsor Locks, 40 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 106 Google reviews, open 24/7.
Based in Hudson, 33 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 495 Google reviews, 495 Google reviews.
Based in Torrington, 22 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Waterproofing service”.
Based in Taunton, 40 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 360 Google reviews, open 24/7.
Based in Abington, 39 mi away
Ranked #12 because of its Google rating and availability: 5.0★ from 11 Google reviews, open 24/7.
Based in Millis, 30 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Waterproofing service”.
Based in Holden, 22 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Waterproofing service”.
Based in Plainville, 27 mi away
Ranked #15 because of its Google rating and review volume: 4.7★ from 1,799 Google reviews, the most Google reviews on this list (1,799).
Based in Seekonk, 25 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Waterproofing service”.
Based in Ellington, 10 mi away
Ranked #17 because of its Google rating and availability: 3.9★ from 7 Google reviews, open 24/7.
Based in Arlington, 11 mi away
Ranked #18 because of its Google rating and availability: 4.6★ from 11 Google reviews, open 24/7.
Based in Sterling, 34 mi away
Ranked #19 because of its Google rating and availability: 4.9★ from 123 Google reviews, open 24/7.
Based in Providence, 25 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
Based in Walpole, 33 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 660 Google reviews, listed on Google as “Waterproofing service”.
Based in Leicester, 18 mi away
Ranked #22 because of its Google rating and review volume: 5.0★ from 571 Google reviews, 571 Google reviews.
Based in Abington, 10 mi away
Ranked #23 because of its Google rating and availability: 4.3★ from 6 Google reviews, open 24/7.
Based in Westwood, 40 mi away
Ranked #24 because of its Google rating and availability: 5.0★ from 28 Google reviews, open 24/7.
Based in Marlborough, 33 mi away
Ranked #25 because of its Google rating and availability: 4.9★ from 70 Google reviews, open 24/7.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 124 ranked foundation repair companies here; the rest are on their profiles.
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 |
|---|---|---|
| A&A Masonry & Waterproof Inc. | 5.0★ (1) | 10 mi |
| As Concrete Foundations Inc | 5.0★ (2) | 18 mi |
| Basement Solutions of New England, Inc. | 3.0★ (4) | In Thompson |
| Boston waterproofing and foundation | 5.0★ (1) | 11 mi |
| Boston Waterproofing and Masonry Restoration | 5.0★ (2) | 11 mi |
| Build Strong Masonry & Construction | 1.0★ (1) | 10 mi |
| Central Mass Concrete Foundations | 5.0★ (2) | 30 mi |
| Diversified Services | 3.0★ (2) | 10 mi |
| DryNest | 5.0★ (2) | 35 mi |
| Garrepy Bros Foundations | 5.0★ (1) | In Thompson |
| Graz Concrete Hauling Inc. | 3.0★ (2) | 16 mi |
| Hammerhead Contractors | In Thompson | |
| NE CT Concrete Foundations | 3.0★ (2) | 25 mi |
| Pittol Construction and Foundation | 3.0★ (2) | 35 mi |
| PML CARPENTRY & REMODELING | 5.0★ (2) | 22 mi |
| Quality Foundations | 5.0★ (1) | 12 mi |
| S Bell Construction | In Thompson | |
| The wall Basement waterproofing & Masonry | 5.0★ (2) | 11 mi |
| Triumph Masonry, Restoration & Waterproofing LLC | 5.0★ (2) | 11 mi |
| Warwick Waterproofing | 5.0★ (2) | 22 mi |
National price ranges in USD, not adjusted for Thompson. 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 124 Thompson 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 Thompson 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 |