167 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Belmont: NV Waterproofing & Foundation Repair, CR Score 62/100; 4.9★ from 975 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Value Dry Basement Waterproofing, posts 24/7 hours; ranked #3 of 167.
Most-reviewed: JES Foundation Repair, 1,929 Google reviews at 4.7★, the most of 167 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
167 Belmont foundation repair companies are ranked here by CR Score, from ten published factors. 30 are open 24/7, 116 open Saturdays and 67 open Sundays, based on posted hours. The median Google rating is 4.9★ across 167 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | NV Waterproofing & Foundation Repair | 62 | 4.9★ (975) | Manassas, 20 mi away | Sat · Sun | Overall |
| 2 | JES Foundation Repair | 62 | 4.7★ (1,929) | Gainesville, 20 mi away | Sat · Sun · Evenings | Most reviews |
| 3 | Value Dry Basement Waterproofing | 60 | 4.9★ (251) | Arlington, 27 mi away | 24/7 | Emergencies |
| 4 | Armored Basement Waterproofing | 60 | 5.0★ (128) | Baltimore, 28 mi away | 24/7 | — |
| 5 | Brother's Waterproofing LLC | 58 | 4.9★ (125) | Baltimore, 23 mi away | Sat · Sun · Evenings | — |
| 6 | Beyond Waterproofing and Foundation Repair | 58 | 4.9★ (120) | Damascus, 23 mi away | Sat · Sun · Evenings | — |
| 7 | Tru Integrity LLC | 58 | 5.0★ (147) | Baltimore, 30 mi away | Sat · Sun · Evenings | — |
| 8 | 3 Pros Basement Systems | 58 | 4.8★ (83) | Sterling, 6 mi away | Sat | — |
| 9 | DMV Waterproofing, North Bethesda | 58 | 5.0★ (55) | Rockville, 19 mi away | Sat · Sun | — |
| 10 | 58 Foundations & Waterproofing | 57 | 4.7★ (265) | Dale City, 31 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: 4.9★ from 975 Google reviews, listed on Google as “Waterproofing service”.
Based in Gainesville, 20 mi away
Ranked #2 because of its Google rating and review volume: 4.7★ from 1,929 Google reviews, the most in Belmont.
Based in Arlington, 27 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 251 Google reviews, listed on Google as “Waterproofing service”.
Based in Baltimore, 28 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 128 Google reviews, listed on Google as “Waterproofing service”.
Based in Baltimore, 23 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 125 Google reviews, listed on Google as “Waterproofing service”.
Based in Damascus, 23 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 120 Google reviews, listed on Google as “Waterproofing service”.
Based in Baltimore, 30 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 147 Google reviews, listed on Google as “Waterproofing service”.
Based in Sterling, 6 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 83 Google reviews, listed on Google as “Waterproofing service”.
Based in Rockville, 19 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 55 Google reviews, listed on Google as “Waterproofing service”.
Based in Dale City, 31 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 265 Google reviews, listed on Google as “Waterproofing service”.
Based in Frederick, 22 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 476 Google reviews, listed on Google as “Waterproofing service”.
Based in Washington, D.C., 29 mi away
Ranked #12 because of its Google rating and trade focus: 4.6★ from 159 Google reviews, listed on Google as “Waterproofing service”.
Based in Elkton, 23 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Waterproofing service”.
Based in Gainesville, 19 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 66 Google reviews, listed on Google as “Waterproofing service”.
Based in Annandale, 28 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Waterproofing service”.
Based in Ashburn, 3 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Concrete contractor”.
Based in Baltimore, 23 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 134 Google reviews, listed on Google as “Waterproofing service”.
Based in Fairfax, 19 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 17 Google reviews, listed on Google as “Waterproofing service”.
Based in Washington, D.C., 29 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Waterproofing service”.
Based in Springfield, 28 mi away
Ranked #20 because of its Google rating and review volume: 4.7★ from 682 Google reviews.
Based in Winchester, 36 mi away
Ranked #21 because of its Google rating and trade focus: 4.6★ from 98 Google reviews, listed on Google as “Waterproofing service”.
Based in Martinsburg, 35 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Waterproofing service”.
Based in Baltimore, 23 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 85 Google reviews, listed on Google as “Waterproofing service”.
Based in Sterling, 6 mi away
Ranked #24 because of its Google rating and review volume: 4.8★ from 378 Google reviews.
Based in Glenarden, 37 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 95 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 167 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.
| Business | Google rating | Distance |
|---|---|---|
| Acculevel | 5.0★ (1) | 18 mi |
| Affordable Eastern Shore Waterproofing | 5.0★ (1) | 23 mi |
| Atlantic Waterproofing | 1.0★ (1) | 31 mi |
| Basement Detective Ashburn Office | 5.0★ (1) | 1 mi |
| BC Concrete Foundations | 5.0★ (2) | 26 mi |
| Bertin Concrete, Inc | 5.0★ (1) | 32 mi |
| Delos Remodeling | 5.0★ (1) | 11 mi |
| Drainage Solutions and Patios | 5.0★ (2) | 26 mi |
| Foundation Management and Drainage, LLC | 5.0★ (1) | 23 mi |
| Foundation Medix | 5.0★ (2) | 30 mi |
| Foundations | 1.0★ (1) | 17 mi |
| Giovanni Remodeling Group | 5.0★ (1) | 26 mi |
| HF Concrete Contractor | 5.0★ (1) | 29 mi |
| J&A Construction | 5.0★ (2) | 28 mi |
| JAV Waterproofing Company LLC | 5.0★ (1) | 22 mi |
| Jim McMillan Contracting | 1.0★ (1) | 17 mi |
| NGS General Contractor LLC | 5.0★ (1) | 37 mi |
| Steele Foundation, LLC | 5.0★ (1) | 20 mi |
| Superior Foundation Inc | 1.0★ (1) | 18 mi |
| waterproofing and foundation repairs | 5.0★ (1) | 21 mi |
National price ranges in USD, not adjusted for Belmont. 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 167 Belmont 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 23, 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 Belmont 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 |