11 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Endwell: SouthernTier Basement Systems, CR Score 57/100; 3.9★ from 19 Google reviews.
Best for emergencies (open 24/7): Ithaca Environmental & Construction Group, posts 24/7 hours; ranked #4 of 11.
Most-reviewed: Foam It Insulation, 412 Google reviews at 4.9★, the most of 11 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
11 Endwell foundation repair companies are ranked here by CR Score, from ten published factors. 4 are open 24/7, 7 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.9★ across 11 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | SouthernTier Basement Systems | 57 | 3.9★ (19) | Endwell | — | Overall |
| 2 | Foam It Insulation | 56 | 4.9★ (412) | Binghamton, 4 mi away | — | Most reviews |
| 3 | Dirty Deeds Basement Waterproofing | 53 | 5.0★ (3) | Lake Carmel, 19 mi away | Sat · Sun | — |
| 4 | Ithaca Environmental & Construction Group | 52 | 5.0★ (36) | Ithaca, 33 mi away | 24/7 | Emergencies |
| 5 | Binghamton Environmental & Construction Group | 51 | 5.0★ (5) | Binghamton, 7 mi away | 24/7 | — |
| 6 | ATS Construction | 51 | 4.9★ (65) | Binghamton, 9 mi away | — | — |
| 7 | Maliha Construction | 50 | 5.0★ (8) | Borough Park, 19 mi away | 24/7 | — |
| 8 | Rose NYC Restoration | 49 | 4.2★ (5) | East Flatbush, 19 mi away | 24/7 | — |
| 9 | Iannone Building and Contracting | 49 | 4.0★ (8) | Endicott, 16 mi away | Sat · Sun · Evenings | — |
| 10 | Alpine Chimney Sweeps | 47 | 4.0★ (4) | Mount Kisco, 17 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 trade focus: 3.9★ from 19 Google reviews, listed on Google as “Waterproofing service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Binghamton, 4 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 412 Google reviews, the most in Endwell.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Carmel, 19 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ithaca, 33 mi away
Ranked #4 because of its Google rating and review volume: 5.0★ from 36 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Binghamton, 7 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Binghamton, 9 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 65 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Borough Park, 19 mi away
Ranked #7 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 East Flatbush, 19 mi away
Ranked #8 because of its Google rating and availability: 4.2★ from 5 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Endicott, 16 mi away
Ranked #9 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Kisco, 17 mi away
Ranked #10 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Endicott, 7 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 6 Google reviews, listed on Google as “Landscape designer”.
Based on 8 of 10 factors; credentials and recency not yet collected.
5 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 |
|---|---|---|
| Bob Tanzini Plaster and Cement | 1.0★ (2) | 3 mi |
| Contractors Waterproofing, Corp | 5.0★ (2) | 19 mi |
| Dyno-build Home improvements | 19 mi | |
| Master Contracting & Construction | 5.0★ (1) | 16 mi |
| Robert Laman Jr. Construction | 4.1★ (36) | In Endwell |
National price ranges in USD, not adjusted for Endwell. 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 11 Endwell 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 Endwell 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 |