38 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Somersworth: NH Dry Basement, CR Score 62/100; 4.9★ from 69 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Unique Asphalt Paving, posts 24/7 hours; ranked #3 of 38.
Most-reviewed: Basement Improvements, LLC, 343 Google reviews at 4.9★, the most of 38 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
38 Somersworth foundation repair companies are ranked here by CR Score, from ten published factors. 7 are open 24/7, 23 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 4.9★ across 38 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | NH Dry Basement | 62 | 4.9★ (69) | Barrington, 6 mi away | Sat · Sun · Evenings | Overall |
| 2 | TC Hafford Basement Systems | 61 | 4.6★ (290) | Biddeford, 13 mi away | Sat · Evenings | — |
| 3 | Unique Asphalt Paving | 58 | 4.9★ (40) | Haverhill, 35 mi away | 24/7 | Emergencies |
| 4 | Basement Improvements, LLC | 56 | 4.9★ (343) | Biddeford, 20 mi away | Sat · Evenings | Most reviews |
| 5 | Foundational Concrete Services | 54 | 5.0★ (44) | Derry, 36 mi away | 24/7 | — |
| 6 | Parkway Masonry&Construction,Chimney repairs, Foundation Waterproofing | 54 | 5.0★ (34) | Concord, 34 mi away | 24/7 | — |
| 7 | NH Groundscapes, LLC (NHG) | 54 | 4.9★ (56) | Concord, 25 mi away | 24/7 | — |
| 8 | Groundworks | 52 | 4.9★ (40) | Eliot, 20 mi away | Sat · Sun · Evenings | — |
| 9 | Northeast Basement Solutions | 52 | 5.0★ (30) | Haverhill, 35 mi away | — | — |
| 10 | 603 Basement Solutions | 52 | 4.9★ (233) | Chester, 26 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 69 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Biddeford, 13 mi away
Ranked #2 because of its Google rating and trade focus: 4.6★ from 290 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 35 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 40 Google reviews, listed on Google as “Foundation”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Biddeford, 20 mi away
Ranked #4 because of its Google rating and review volume: 4.9★ from 343 Google reviews, the most in Somersworth.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Derry, 36 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 34 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 25 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 56 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Eliot, 20 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 40 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 35 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chester, 26 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 233 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gilford, 29 mi away
Ranked #11 because of its Google rating and review volume: 4.9★ from 247 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chester, 34 mi away
Ranked #12 because of its Google rating and review volume: 4.9★ from 96 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chester, 19 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 35 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Biddeford, 25 mi away
Ranked #15 because of its Google rating and trade focus: 3.2★ from 18 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Biddeford, 38 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Andover, 39 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Landscaper”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buxton, 24 mi away
Ranked #18 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 35 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Westbrook, 38 mi away
Ranked #20 because of its Google rating and trade focus: 4.5★ from 4 Google reviews, listed on Google as “Masonry contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portland, 40 mi away
Ranked #21 because of its Google rating and review volume: 4.7★ from 101 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bedford, 38 mi away
Ranked #22 because of its Google rating and review volume: 5.0★ from 22 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saco, 30 mi away
Ranked #23 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Concrete contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Andover, 32 mi away
Ranked #24 because of its Google rating and trade focus: 2.3★ from 3 Google reviews, listed on Google as “Masonry contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 34 mi away
Ranked #25 because of its Google rating and trade focus: 4.5★ from 17 Google reviews, listed on Google as “Landscaper”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #38, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Powell Enterprises | 46 | 4.2★ (5) | 21 mi |
| 27 | Town Line Foundations | 46 | 5.0★ (4) | 37 mi |
| 28 | CrackX | 46 | 4.8★ (32) | 34 mi |
| 29 | F.B.I. Contracting LLC | 45 | 4.4★ (65) | 38 mi |
| 30 | T & M Concrete Inc | 45 | 5.0★ (5) | 39 mi |
| 31 | Marchand Concrete Foundations | 45 | 4.2★ (5) | 32 mi |
| 32 | The Chimney Company | 45 | 4.6★ (10) | 37 mi |
| 33 | Georgetown Foundations Inc | 44 | 3.7★ (3) | 37 mi |
| 34 | Streamline Waterproofing | 43 | 4.0★ (3) | 35 mi |
| 35 | White Rock Logging & Excavating | 43 | 2.7★ (7) | 30 mi |
| 36 | CeeLo's Landscaping | 43 | 5.0★ (3) | 36 mi |
| 37 | DeRossi Classic Home Specialists | 43 | 5.0★ (4) | 38 mi |
| 38 | Builders Installed Products New Hampshire | 43 | 3.5★ (20) | 31 mi |
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. Fenderson Concrete Floors & Foundations | 5.0★ (1) | 7 mi |
| ABCO Foundations, Building Jacking & Masonry | 5.0★ (1) | 20 mi |
| Allstate Concrete Foundations inc. | 5.0★ (2) | 26 mi |
| Best Pour Concrete Foundations & Flatwork | 3.0★ (2) | 21 mi |
| Cfc Inc Foundations & Floors | 27 mi | |
| CJ Services | 25 mi | |
| CT.Contracting LLC concrete foundations | 27 mi | |
| Duke Emmons Foundations | 5.0★ (1) | 19 mi |
| EAST PEAK EXCAVATION | 10 mi | |
| Jeffrey Davis Concrete Foundations | 5.0★ (2) | 22 mi |
| Lambert Foundations | 15 mi | |
| Luke's Hardscaping LLC | 13 mi | |
| Marc J Sinotte LLC Poured Concrete Foundations | 4.5★ (2) | 25 mi |
| Morse Foundations | 5 mi | |
| Nobleport Roofing and Restoration | 5.0★ (1) | 34 mi |
| Pelletier Foundations | 5.0★ (1) | 18 mi |
| Ryan A Payeur Foundations Inc | 5.0★ (1) | 17 mi |
| Seacoast Foundations | 3.0★ (2) | 17 mi |
| TWR Masonry Co | 5.0★ (1) | 22 mi |
| Williams Foundations Inc. | 4.5★ (2) | 14 mi |
National price ranges in USD, not adjusted for Somersworth. 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 38 Somersworth 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 Somersworth 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 |