40 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Grand Island: Buffalo Roofing, CR Score 59/100; 4.8★ from 379 Google reviews; open 24/7.
Best for emergencies (open 24/7): King Remodeling Corp roofing contractor, posts 24/7 hours; ranked #2 of 40.
Most-reviewed: King Remodeling Corp roofing contractor, 177 Google reviews at 5.0★, the most of 40 ranked after Buffalo Roofing; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
40 Grand Island foundation repair companies are ranked here by CR Score, from ten published factors. 11 are open 24/7, 26 open Saturdays and 18 open Sundays, based on posted hours. The median Google rating is 4.8★ across 40 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Buffalo Roofing | 59 | 4.8★ (379) | Williamsville, 14 mi away | 24/7 | Overall |
| 2 | King Remodeling Corp roofing contractor | 59 | 5.0★ (177) | Buffalo, 10 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Harris Waterproofing | 59 | 4.8★ (85) | Brant, 27 mi away | Sat · Sun | — |
| 4 | Highlander Waterproofing & Foundation Repair | 58 | 4.8★ (59) | Buffalo, 12 mi away | Sat · Evenings | — |
| 5 | J C Enterprises | 58 | 5.0★ (4) | Grand Island | 24/7 | — |
| 6 | All Dry Waterproofing Ltd. - Basement Specialists | 58 | 5.0★ (128) | Welland, 19 mi away | — | — |
| 7 | McMillan Waterproofing Niagara | 58 | 5.0★ (51) | St. Catharines, 17 mi away | Sat | — |
| 8 | RCC Waterproofing Stoney Creek | 57 | 4.8★ (41) | Burlington, 39 mi away | 24/7 | — |
| 9 | Foundation Fix Inc. | 56 | 4.7★ (42) | Burlington, 20 mi away | Sat · Evenings | — |
| 10 | Aquatech Basement Waterproofing St Catharines | 56 | 5.0★ (50) | Niagara Falls, 14 mi away | Sat · Sun · Evenings | — |
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: 4.8★ from 379 Google reviews, the most in Grand Island.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buffalo, 10 mi away
Ranked #2 because of its Google rating and review volume: 5.0★ from 177 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brant, 27 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 85 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buffalo, 12 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 59 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Grand Island
Ranked #5 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 Welland, 19 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 128 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 17 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 39 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 41 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 20 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 42 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Niagara Falls, 14 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Water damage restoration service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buffalo, 8 mi away
Ranked #11 because of its Google rating and review volume: 4.9★ from 49 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Colborne, 20 mi away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Welland, 16 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Foundation”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Welland, 19 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 50 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 18 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Waterproofing service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in St. Catharines, 18 mi away
Ranked #16 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 Fort Erie, 7 mi away
Ranked #17 because of its Google rating and availability: 4.7★ from 16 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Depew, 16 mi away
Ranked #18 because of its Google rating and review volume: 5.0★ from 73 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Erie, 10 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Niagara Falls, 3 mi away
Ranked #20 because of its Google rating and review volume: 4.7★ from 44 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Welland, 14 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 9 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Seneca, 17 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 7 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buffalo, 13 mi away
Ranked #23 because of its Google rating and availability: 4.6★ from 9 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 19 mi away
Ranked #24 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Erie, 27 mi away
Ranked #25 because of its Google rating and availability: 4.8★ from 17 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Grand Island. 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 40 Grand Island 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 Grand Island 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 |