91/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 128 Google reviews, open 24/7.
- 5.0★ from 128 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 290 Amity Rd, Bethany, CT 06524
Best Foundation Repair Companies in Naugatuck, CT (2026)
134 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Naugatuck: A & A Basement Waterproofing, CR Score 91/100; 5.0★ from 128 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): United Waterproofing, posts 24/7 hours; ranked #2 of 134.
- 8
Most-reviewed: Connecticut Basement Systems, 1,655 Google reviews at 4.8★, the most of 134 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
134 Naugatuck foundation repair companies are ranked here by CR Score, from 8 published factors. 26 are open 24/7, 94 open Saturdays and 54 open Sundays, based on posted hours. The median Google rating is 4.9★ across 134 rated businesses.
Top 10 foundation repair companies in Naugatuck at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | A & A Basement Waterproofing | 91 | 5.0★ (128) | Cheshire Village, 6 mi away | 24/7 | Overall |
| 2 | United Waterproofing | 87 | 4.9★ (86) | Ridgefield, 25 mi away | 24/7 | Emergencies |
| 3 | Eastern Waterproofing Co Inc | 86 | 4.9★ (111) | Manchester, 33 mi away | 24/7 | — |
| 4 | Basement Boss | 86 | 4.9★ (34) | Bethel, 1 mi away | 24/7 | — |
| 5 | A DeLuca Basement Waterproofing | 85 | 4.8★ (16) | Branford, 15 mi away | 24/7 | — |
| 6 | Whole Basement Waterproofing Hartford CT | 84 | 5.0★ (15) | Hartford, 26 mi away | 24/7 | — |
| 7 | Empire Construction Waterproofing, LLC | 84 | 5.0★ (20) | Oxford, 8 mi away | Sat · Sun | — |
| 8 | Connecticut Basement Systems | 84 | 4.8★ (1,655) | Seymour, 7 mi away | — | Most reviews |
| 9 | The Builders & Cleaners | 83 | 4.9★ (120) | West Haven, 14 mi away | 24/7 | — |
| 10 | JLB Masonry & Waterproofing, Basement Repair, Chimney Repair | 82 | 5.0★ (106) | Windsor Locks, 38 mi away | 24/7 | — |
The 134 best foundation repair companies in Naugatuck, ranked
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.
Based in Ridgefield, 25 mi away
87/100CR ScoreRanked #2 because of its Google rating and availability: 4.9★ from 86 Google reviews, open 24/7.
- 4.9★ from 86 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18 Highview Rd, Ridgefield, CT 06877
Based in Manchester, 33 mi away
86/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 111 Google reviews, open 24/7.
- 4.9★ from 111 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 199 Adams St, Manchester, CT 06042
Based in Bethel, 1 mi away
86/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 34 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Branford, 15 mi away
85/100CR ScoreRanked #5 because of its Google rating and availability: 4.8★ from 16 Google reviews, open 24/7.
- 4.8★ from 16 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Hartford, 26 mi away
84/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
- 5.0★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 399 Ledyard St, Hartford, CT 06114
Based in Oxford, 8 mi away
84/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 20 Google reviews
- Hours
- Mon–Sun 9 AM–5 PM
- Address
- 11 Knorr Rd, Oxford, CT 06478
Based in Seymour, 7 mi away
84/100CR ScoreRanked #8 because of its Google rating and review volume: 4.8★ from 1,655 Google reviews, the most Google reviews on this list (1,655).
- 4.8★ from 1,655 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 33 Progress Ave, Seymour, CT 06483
Based in West Haven, 14 mi away
83/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 120 Google reviews, open 24/7.
- 4.9★ from 120 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 445 Front Ave Suite 191, West Haven, CT 06516
Based in Windsor Locks, 38 mi away
82/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 106 Google reviews, open 24/7.
- 5.0★ from 106 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10 Suffield St, Windsor Locks, CT 06096
#11 Groundworks
Based in North Haven, 13 mi away
82/100CR ScoreRanked #11 because of its Google rating and review volume: 4.9★ from 390 Google reviews, 390 Google reviews.
- 4.9★ from 390 Google reviews
- Hours
- Mon–Fri 7 AM–11 PM · Sat 8 AM–11 PM · Sun 10 AM–11 PM
- Address
- 101 Powdered Metal Dr, North Haven, CT 06473
Based in Waterbury, 6 mi away
82/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 37 Google reviews
- Hours
- Mon–Sat 9 AM–6 PM · Sun closed
- Address
- 24 Sharon Rd, Waterbury, CT 06705
Based in Danbury, 24 mi away
81/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 91 Google reviews, open 24/7.
- 5.0★ from 91 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 51 Sugar Hollow Rd UNIT 101, Danbury, CT 06810
Based in Torrington, 22 mi away
81/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 13 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 45 Silano Dr, Harwinton, CT 06791
Based in East Hartford, 27 mi away
81/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 24 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 24 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun 9 AM–3 PM
Based in Farmington, 22 mi away
80/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 17 Google reviews, open 24/7.
- 5.0★ from 17 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11 Byrne Ct unit 2c, Farmington, CT 06032
Based in Hamden, 9 mi away
80/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 3 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 80 Overlook Dr, Hamden, CT 06514
#18 Sp Roofing LLC
Based in Stratford, 21 mi away
80/100CR ScoreRanked #18 because of its Google rating and availability: 4.8★ from 69 Google reviews, open 24/7.
- 4.8★ from 69 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 26 Clover St, Stratford, CT 06614
Based in Bethel, 20 mi away
79/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 30 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat 7 AM–3:30 PM · Sun closed
Based in Stamford, 38 mi away
79/100CR ScoreRanked #20 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
- 5.0★ from 4 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 198 Seaton Rd APT 4, Stamford, CT 06902
Based in Lake Carmel, 27 mi away
79/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.6★ from 17 Google reviews, listed on Google as “Foundation”.
- 4.6★ from 17 Google reviews
- Hours
- Mon–Sun 7 AM–6 PM
- Address
- 2144 NY-22, Brewster, NY 10509
Based in Cromwell, 23 mi away
79/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 24/7.
- 5.0★ from 9 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 175 Capital Blvd, Rocky Hill, CT 06067
Based in Port Jefferson, 37 mi away
79/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
- 5.0★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5 Bell Cir, Port Jefferson, NY 11777
Based in New Britain, 20 mi away
79/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Waterproofing service”.
- 4.0★ from 8 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 433 John Downey Dr, New Britain, CT 06051
Based in Bristol, 15 mi away
79/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.7★ from 27 Google reviews, listed on Google as “Waterproofing service”.
- 4.7★ from 27 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
Foundation repair companies ranked #26 to #50
#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 134 ranked foundation repair companies here; the rest are on their profiles.
Also serving Naugatuck
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 |
|---|---|---|
| AM Basement Solutions | 5.0★ (2) | 23 mi |
| American Dry Basement Systems LLC | 5.0★ (2) | 21 mi |
| B & B Foundations LLC | 5.0★ (1) | 10 mi |
| Best In Slot Property Maintenance | 4.9★ (14) | In Naugatuck |
| Bronko Construction | 5.0★ (3) | In Naugatuck |
| C-Rod Foundations LLC | 5.0★ (2) | 20 mi |
| Eagle Basement Waterproofing | 5.0★ (2) | 16 mi |
| Eagle Home Improvement LLC | 5.0★ (29) | In Naugatuck |
| Ever Build Masonry and Waterproofing | 5.0★ (2) | 20 mi |
| J&D Construction Services LLC | 4.2★ (5) | In Naugatuck |
| JABRY'S ROOFING | 5.0★ (2) | 26 mi |
| LJM Foundations & Masonry, LLC | 5.0★ (2) | 15 mi |
| Naugatuck Construction | 3.7★ (3) | In Naugatuck |
| New Foundations Inc | 5.0★ (1) | 7 mi |
| PELLETIER`S CONSTRUCTION | In Naugatuck | |
| Quality Masonry And Foundation Repair | 5.0★ (2) | 23 mi |
| Rain King Waterproofing | 3.5★ (2) | 36 mi |
| Rain King Waterproofing, Inc. | 5.0★ (2) | 21 mi |
| Universal Foundations | 4.0★ (1) | 9 mi |
| ValueDry Basement Waterproofing & Remodeling | 4.0★ (2) | 22 mi |
How much do foundation repair companies cost in Naugatuck?
National price ranges in USD, not adjusted for Naugatuck. 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 |
How we ranked Naugatuck foundation repair companies
We scored 134 Naugatuck 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 Naugatuck 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 |
Foundation repair companies in Naugatuck: frequently asked questions
Who is the best foundation repair company in Naugatuck?
By CR Score, the highest-ranked foundation repair company in Naugatuck, CT is A & A Basement Waterproofing with a CR Score of 91/100. It has 5.0★ from 128 Google reviews. It is open 24/7. United Waterproofing (#2) and Eastern Waterproofing Co Inc (#3) follow. We ranked 134 foundation repair companies on 8 factors, last updated October 22, 2026.
How many foundation repair companies are there in Naugatuck?
ContractorsRanked ranks 134 foundation repair companies serving Naugatuck, CT. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which foundation repair companies in Naugatuck are open 24/7?
26 ranked foundation repair companies in Naugatuck post 24/7 hours. The highest-ranked are A & A Basement Waterproofing (#1), United Waterproofing (#2) and Eastern Waterproofing Co Inc (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Naugatuck work on weekends?
94 of 134 ranked foundation repair companies post Saturday hours and 54 post Sunday hours. The highest-ranked open Saturdays are A & A Basement Waterproofing (#1), United Waterproofing (#2) and Eastern Waterproofing Co Inc (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Naugatuck?
Foundation repair typically costs $2,225 to $8,133, with $5,174 typical (Per project: typical range of customer-reported repairs. US national range). This is a national range, not adjusted for Naugatuck. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Naugatuck foundation repair companies have?
The median Google rating among 134 rated foundation repair companies in Naugatuck is 4.9★, with a median of 21 reviews. Connecticut Basement Systems has the most, 1,655 reviews, and ranks #8. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank foundation repair companies?
Each foundation repair company gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do foundation repair companies outside Naugatuck count in this ranking?
Yes, if they are within 40 mi of the Naugatuck city center, our service radius for foundation repair companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Naugatuck
- October 2026: CR Scores recalculated for 134 foundation repair companies serving Naugatuck.
More foundation repair companies and Naugatuck pages
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