210 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Grafton: All Pro Basement Waterproofing Inc, CR Score 62/100; 5.0★ from 101 Google reviews; open 24/7.
Best for emergencies (open 24/7): Effective Waterproofing, posts 24/7 hours; ranked #2 of 210.
Most-reviewed: Groundworks, 1,799 Google reviews at 4.7★, the most of 210 ranked; ranked #17.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
210 Grafton foundation repair companies are ranked here by CR Score, from ten published factors. 62 are open 24/7, 155 open Saturdays and 96 open Sundays, based on posted hours. The median Google rating is 5.0★ across 210 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | All Pro Basement Waterproofing Inc | 62 | 5.0★ (101) | Ashland, 13 mi away | 24/7 | Overall |
| 2 | Effective Waterproofing | 62 | 4.9★ (37) | Grafton | 24/7 | Emergencies |
| 3 | Mastercraft Waterproofing | 60 | 5.0★ (44) | Thompson, 12 mi away | 24/7 | — |
| 4 | BG Foundation Repair | 60 | 5.0★ (36) | Marlborough, 12 mi away | 24/7 | — |
| 5 | Foundation Crack Repair | 59 | 5.0★ (127) | Andover, 21 mi away | Sat · Sun | — |
| 6 | A-1 Foundation Crack Repair, Inc. | 58 | 4.9★ (495) | Hudson, 14 mi away | Sat · Sun · Evenings | — |
| 7 | Drycrete Waterproofing | 58 | 5.0★ (660) | Walpole, 24 mi away | — | — |
| 8 | Knights masonry & waterproofing | 58 | 5.0★ (102) | Framingham, 15 mi away | 24/7 | — |
| 9 | Alpine Basement Waterproofing Worcester | 57 | 5.0★ (13) | Holden, 8 mi away | Sat · Sun · Evenings | — |
| 10 | Foundation Crack Seal | 57 | 5.0★ (26) | Millis, 16 mi away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 101 Google reviews, listed on Google as “Waterproofing service”.
Based in Grafton
Ranked #2 because of its Google rating and trade focus: 4.9★ from 37 Google reviews, listed on Google as “Waterproofing service”.
Based in Thompson, 12 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Waterproofing service”.
Based in Marlborough, 12 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Waterproofing service”.
Based in Andover, 21 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 127 Google reviews, listed on Google as “Waterproofing service”.
Based in Hudson, 14 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 495 Google reviews.
Based in Walpole, 24 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 660 Google reviews, listed on Google as “Waterproofing service”.
Based in Framingham, 15 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 102 Google reviews, listed on Google as “Siding contractor”.
Based in Holden, 8 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Waterproofing service”.
Based in Millis, 16 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Waterproofing service”.
Based in Burlington, 31 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 123 Google reviews, listed on Google as “Waterproofing service”.
Based in Cambridge, 32 mi away
Ranked #12 because of its Google rating and review volume: 5.0★ from 233 Google reviews.
Based in Ashland, 12 mi away
Ranked #13 because of its Google rating and trade focus: 4.5★ from 6 Google reviews, listed on Google as “Foundation”.
Based in Newton, 24 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 112 Google reviews, listed on Google as “Masonry contractor”.
Based in Waltham, 26 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “Masonry contractor”.
Based in Boston, 34 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Waterproofing service”.
Based in Plainville, 23 mi away
Ranked #17 because of its Google rating and review volume: 4.7★ from 1,799 Google reviews, the most in Grafton.
Based in Boston, 34 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 81 Google reviews, listed on Google as “Waterproofing service”.
Based in Holden, 14 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Waterproofing service”.
Based in Leicester, 12 mi away
Ranked #20 because of its Google rating and review volume: 5.0★ from 571 Google reviews.
Based in Grafton
Ranked #21 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Concrete contractor”.
Based in Sterling, 17 mi away
Ranked #22 because of its Google rating and review volume: 4.9★ from 123 Google reviews.
Based in Douglas, 5 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 176 Google reviews, listed on Google as “Concrete contractor”.
Based in Waltham, 25 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 54 Google reviews, listed on Google as “Concrete contractor”.
Based in Brookline, 23 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Waterproofing service”.
National price ranges in USD, not adjusted for Grafton. 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 210 Grafton 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 Grafton 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 |