481 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Farmingdale: HRC Waterproofing, CR Score 61/100; 4.9★ from 77 Google reviews; open 24/7.
Best for emergencies (open 24/7): Bonded Waterproofing Solutions, posts 24/7 hours; ranked #3 of 481.
Most-reviewed: Genstar Masonry and Landscaping, 479 Google reviews at 5.0★, the most of 481 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
481 Farmingdale foundation repair companies are ranked here by CR Score, from ten published factors. 127 are open 24/7, 401 open Saturdays and 311 open Sundays, based on posted hours. The median Google rating is 5.0★ across 481 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | HRC Waterproofing | 61 | 4.9★ (77) | Jamaica, 19 mi away | 24/7 | Overall |
| 2 | BOCCIA - Waterproofing & Masonry Specialists | 61 | 4.7★ (115) | Garden City Park, 11 mi away | Sat · Sun · Evenings | — |
| 3 | Bonded Waterproofing Solutions | 61 | 5.0★ (130) | Bergenfield, 32 mi away | 24/7 | Emergencies |
| 4 | Vulcan Basement Waterproofing | 60 | 4.5★ (23) | Hicksville, 3 mi away | 24/7 | — |
| 5 | Chris Landscaping & Basement Waterproofing corp | 60 | 5.0★ (74) | West Hills, 17 mi away | Sat · Sun | — |
| 6 | Building Structures Unlimited Inc. | 60 | 5.0★ (69) | Melville, 6 mi away | Sat | — |
| 7 | JJM Roofing & Waterproofing | 60 | 4.9★ (93) | Westbury, 6 mi away | 24/7 | — |
| 8 | Genstar Masonry and Landscaping | 60 | 5.0★ (479) | Massapequa, 5 mi away | Sat · Sun · Evenings | Most reviews |
| 9 | A.M. Shield Waterproofing Corp. | 60 | 5.0★ (215) | Albertson, 11 mi away | — | — |
| 10 | B Altmans Waterproofing | 59 | 4.8★ (136) | Staten Island, 37 mi away | 24/7 | — |
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: 4.9★ from 77 Google reviews, listed on Google as “Waterproofing service”.
Based in Garden City Park, 11 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 115 Google reviews, listed on Google as “Waterproofing service”.
Based in Bergenfield, 32 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 130 Google reviews, listed on Google as “Waterproofing service”.
Based in Hicksville, 3 mi away
Ranked #4 because of its Google rating and trade focus: 4.5★ from 23 Google reviews, listed on Google as “Waterproofing service”.
Based in West Hills, 17 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 74 Google reviews, listed on Google as “Waterproofing service”.
Based in Melville, 6 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “Waterproofing service”.
Based in Westbury, 6 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 93 Google reviews.
Based in Massapequa, 5 mi away
Ranked #8 because of its Google rating and review volume: 5.0★ from 479 Google reviews, the most in Farmingdale.
Based in Albertson, 11 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 215 Google reviews, listed on Google as “Waterproofing service”.
Based in Staten Island, 37 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 136 Google reviews, listed on Google as “Waterproofing service”.
Based in Jersey City, 34 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 72 Google reviews, listed on Google as “Waterproofing service”.
Based in Centereach, 18 mi away
Ranked #12 because of its Google rating and review volume: 5.0★ from 102 Google reviews.
Based in Rye, 22 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 29 Google reviews, listed on Google as “Waterproofing service”.
Based in Staten Island, 35 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Waterproofing service”.
Based in Melville, 3 mi away
Ranked #15 because of its Google rating and review volume: 4.9★ from 95 Google reviews.
Based in Caldwell, 31 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 36 Google reviews, listed on Google as “Waterproofing service”.
Based in Massapequa, 4 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 57 Google reviews, listed on Google as “Waterproofing service”.
Based in Carlstadt, 32 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 42 Google reviews, listed on Google as “Waterproofing service”.
Based in Jamaica, 17 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 30 Google reviews, listed on Google as “Waterproofing service”.
Based in Briarcliff Manor, 30 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Waterproofing service”.
Based in West Babylon, 5 mi away
Ranked #21 because of its Google rating and review volume: 5.0★ from 68 Google reviews.
Based in Glen Cove, 13 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 74 Google reviews, listed on Google as “Roofing contractor”.
Based in Merrick, 7 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Concrete contractor”.
Based in Bayside, 20 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Waterproofing service”.
Based in New Rochelle, 24 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Waterproofing service”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 481 ranked foundation repair companies here; the rest are on their profiles.
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.
National price ranges in USD, not adjusted for Farmingdale. 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 481 Farmingdale 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 Farmingdale 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 |