123 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Plainville: A & A Basement Waterproofing, CR Score 89/100; 5.0★ from 128 Google reviews; open 24/7.
Best for emergencies (open 24/7): Eastern Waterproofing Co Inc, posts 24/7 hours; ranked #2 of 123.
Most-reviewed: Connecticut Basement Systems, 1,655 Google reviews at 4.8★, the most of 123 ranked; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
123 Plainville foundation repair companies are ranked here by CR Score, from 8 published factors. 22 are open 24/7, 74 open Saturdays and 43 open Sundays, based on posted hours. The median Google rating is 4.9★ across 123 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | A & A Basement Waterproofing | 89 | 5.0★ (128) | Cheshire Village, 20 mi away | 24/7 | Overall |
| 2 | Eastern Waterproofing Co Inc | 88 | 4.9★ (111) | Manchester, 18 mi away | 24/7 | Emergencies |
| 3 | Whole Basement Waterproofing Hartford CT | 86 | 5.0★ (15) | Hartford, 11 mi away | 24/7 | — |
| 4 | JLB Masonry & Waterproofing, Basement Repair, Chimney Repair | 84 | 5.0★ (106) | Windsor Locks, 22 mi away | 24/7 | — |
| 5 | HCW Basement Waterproofing | 83 | 4.9★ (24) | East Hartford, 11 mi away | Sat · Sun · Evenings | — |
| 6 | A DeLuca Basement Waterproofing | 83 | 4.8★ (16) | Branford, 26 mi away | 24/7 | — |
| 7 | All-stone masonry waterproofing | 83 | 5.0★ (17) | Farmington, 6 mi away | 24/7 | — |
| 8 | Basement Boss | 83 | 4.9★ (34) | Bethel, 16 mi away | 24/7 | — |
| 9 | Violette Silvester & Sons Inc. | 82 | 5.0★ (14) | East Hartford, 12 mi away | — | — |
| 10 | Wet Basement Waterproofing | 82 | 5.0★ (13) | Torrington, 15 mi away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 5.0★ from 128 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Manchester, 18 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 111 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hartford, 11 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Windsor Locks, 22 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 106 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Hartford, 11 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 24 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Branford, 26 mi away
Ranked #6 because of its Google rating and availability: 4.8★ from 16 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Farmington, 6 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 17 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bethel, 16 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Hartford, 12 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Waterproofing service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Torrington, 15 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bristol, 9 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 10 Google reviews, listed on Google as “Waterproofing service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Cromwell, 10 mi away
Ranked #12 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Britain, 5 mi away
Ranked #13 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Seymour, 22 mi away
Ranked #14 because of its Google rating and review volume: 4.8★ from 1,655 Google reviews, the most Google reviews on this list (1,655).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waterbury, 10 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Oxford, 25 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in West Haven, 27 mi away
Ranked #17 because of its Google rating and availability: 4.9★ from 120 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Haven, 21 mi away
Ranked #18 because of its Google rating and review volume: 4.9★ from 390 Google reviews, 390 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Farmington, 3 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Agawam, 29 mi away
Ranked #20 because of its Google rating and availability: 4.8★ from 6 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Newington, 6 mi away
Ranked #21 because of its Google rating and trade focus: 4.6★ from 22 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Enfield, 8 mi away
Ranked #22 because of its Google rating and availability: 4.7★ from 26 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bristol, 13 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 27 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hebron, 27 mi away
Ranked #24 because of its Google rating and availability: 4.8★ from 60 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hamden, 19 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#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 123 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 |
|---|---|---|
| Ahlgren Landscaping | 4.3★ (28) | In Plainville |
| AM Basement Solutions | 5.0★ (2) | 37 mi |
| American Dry Basement Systems LLC | 5.0★ (2) | 36 mi |
| B & B Foundations LLC | 5.0★ (1) | 6 mi |
| C-Rod Foundations LLC | 5.0★ (2) | 34 mi |
| DryNest | 5.0★ (2) | 33 mi |
| Eagle Basement Waterproofing | 5.0★ (2) | In Plainville |
| Ever Build Masonry and Waterproofing | 5.0★ (2) | 4 mi |
| Gauthier Construction Services | 5.0★ (10) | In Plainville |
| JABRY'S ROOFING | 5.0★ (2) | 10 mi |
| Lanza Waterproofing and concrete | 5.0★ (1) | 8 mi |
| LJM Foundations & Masonry, LLC | 5.0★ (2) | 13 mi |
| Manafort Brothers Incorporated | 4.5★ (24) | In Plainville |
| Mongillo Foundation Co | In Plainville | |
| NE CT Concrete Foundations | 3.0★ (2) | 30 mi |
| New Foundations Inc | 5.0★ (1) | 12 mi |
| Quality Masonry And Foundation Repair | 5.0★ (2) | 39 mi |
| Rain King Waterproofing, Inc. | 5.0★ (2) | 37 mi |
| Universal Foundations | 4.0★ (1) | 9 mi |
| ValueDry Basement Waterproofing & Remodeling | 4.0★ (2) | 38 mi |
National price ranges in USD, not adjusted for Plainville. 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 123 Plainville 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 Plainville 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 |