22 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Harpswell Center: Basement Improvements, LLC, CR Score 53/100; 4.9★ from 343 Google reviews; open Saturdays until 1 PM.
Best for emergencies (open 24/7): Select Sealcoating, posts 24/7 hours; ranked #3 of 22.
Most-reviewed: A.B.L. Roofing & Construction, 107 Google reviews at 5.0★, the most of 22 ranked after Basement Improvements, LLC; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
22 Harpswell Center foundation repair companies are ranked here by CR Score, from ten published factors. 3 are open 24/7, 10 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.5★ across 22 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Basement Improvements, LLC | 53 | 4.9★ (343) | Biddeford, 38 mi away | Sat · Evenings | Overall |
| 2 | A.B.L. Roofing & Construction | 52 | 5.0★ (107) | Augusta, 31 mi away | Sat · Evenings | Most reviews |
| 3 | Select Sealcoating | 51 | 5.0★ (13) | Biddeford, 20 mi away | 24/7 | Emergencies |
| 4 | Sandelin Foundations Inc | 51 | 4.2★ (13) | Topsham, 10 mi away | — | — |
| 5 | Tecta America New England | 51 | 4.9★ (11) | Portland, 18 mi away | 24/7 | — |
| 6 | Evergreen Home Performance | 50 | 4.7★ (101) | Portland, 19 mi away | — | — |
| 7 | Masonry Tech Waterproofing | 49 | 4.5★ (4) | Westbrook, 21 mi away | Sat · Sun · Evenings | — |
| 8 | S & B Foundations | 49 | 3.3★ (9) | Auburn, 16 mi away | — | — |
| 9 | Kenco construction & Masonry LLC | 48 | 5.0★ (18) | Bristol, 32 mi away | Sat · Sun · Evenings | — |
| 10 | Commercial Roof Masters | 48 | 4.4★ (74) | Gorham, 21 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 review volume: 4.9★ from 343 Google reviews, the most in Harpswell Center.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Augusta, 31 mi away
Ranked #2 because of its Google rating and review volume: 5.0★ from 107 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Biddeford, 20 mi away
Ranked #3 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 Topsham, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.2★ from 13 Google reviews, listed on Google as “Concrete contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Portland, 18 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 11 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portland, 19 mi away
Ranked #6 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 Westbrook, 21 mi away
Ranked #7 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 Auburn, 16 mi away
Ranked #8 because of its Google rating and trade focus: 3.3★ from 9 Google reviews, listed on Google as “Concrete contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Bristol, 32 mi away
Ranked #9 because of its Google rating and review volume: 5.0★ from 18 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gorham, 21 mi away
Ranked #10 because of its Google rating and review volume: 4.4★ from 74 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Biddeford, 33 mi away
Ranked #11 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 Topsham, 10 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 16 mi away
Ranked #13 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Concrete contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Gorham, 16 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saco, 28 mi away
Ranked #15 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 Augusta, 37 mi away
Ranked #16 because of its Google rating and review volume: 4.0★ from 26 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 25 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buxton, 40 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 Hampton, 37 mi away
Ranked #19 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Landscaper”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 34 mi away
Ranked #20 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buxton, 31 mi away
Ranked #21 because of its Google rating and trade focus: 2.7★ from 7 Google reviews, listed on Google as “Excavating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Paris, 38 mi away
Ranked #22 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
16 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 |
|---|---|---|
| Cfc Inc Foundations & Floors | 31 mi | |
| CJ Services | 39 mi | |
| Concrete Prescriptions, LLC | 5.0★ (1) | 15 mi |
| Dee Quality Foundations Inc | 26 mi | |
| Duke Emmons Foundations | 5.0★ (1) | 39 mi |
| Ellinwood Foundations Inc | 23 mi | |
| Fournier's Foundations | 5.0★ (1) | 23 mi |
| George E Poulin Foundation | 5.0★ (1) | 37 mi |
| Joe Metayer Foundations | 22 mi | |
| Ken Card Foundations | 5.0★ (1) | 28 mi |
| L & A Concrete Foundation Co | 22 mi | |
| Lost Arts: Tile, Masonry & Speciality Design | 28 mi | |
| Mc Kenney Foundations Inc | 30 mi | |
| Mid State Foundation Restoration | 5.0★ (2) | 26 mi |
| Portland Waterproofing Pros | 9 mi | |
| Symonds Foundations | 4.0★ (2) | 22 mi |
National price ranges in USD, not adjusted for Harpswell Center. 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 22 Harpswell Center 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 Harpswell Center 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 |