20 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Winchester: JES Foundation Repair, CR Score 62/100; 4.6★ from 98 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): AA Basement Waterproofing and Foundation Repair, posts 24/7 hours; ranked #4 of 20.
Most-reviewed: Fortress Foundation Solutions, 476 Google reviews at 4.9★, the most of 20 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
20 Winchester foundation repair companies are ranked here by CR Score, from ten published factors. 4 are open 24/7, 12 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.9★ across 20 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | JES Foundation Repair | 62 | 4.6★ (98) | Winchester | Sat · Sun · Evenings | Overall |
| 2 | Once & Done Waterproofing Solutions LLC | 58 | 5.0★ (34) | Martinsburg, 21 mi away | Sat · Sun · Evenings | — |
| 3 | Fortress Foundation Solutions | 57 | 4.9★ (476) | Frederick, 39 mi away | — | Most reviews |
| 4 | AA Basement Waterproofing and Foundation Repair | 56 | 4.5★ (25) | Halfway, 34 mi away | 24/7 | Emergencies |
| 5 | Home Paramount Pest Control | 55 | 4.6★ (189) | Winchester | Sat | — |
| 6 | Graceful Solutions | 54 | 5.0★ (42) | Martinsburg, 16 mi away | 24/7 | — |
| 7 | America's Sailing Capital Foundation Repair | 54 | 5.0★ (3) | Annapolis, 2 mi away | 24/7 | — |
| 8 | Aalcon Co. - Basement Waterproofing and Foundations Contractor | 52 | 5.0★ (6) | Front Royal, 23 mi away | 24/7 | — |
| 9 | NV Foundation Repair Ashburn | 51 | 5.0★ (32) | Ashburn, 38 mi away | Sat · Sun | — |
| 10 | Sahara Dry Basement | 51 | 5.0★ (24) | Martinsburg, 38 mi away | — | — |
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: 4.6★ from 98 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Martinsburg, 21 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Frederick, 39 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 476 Google reviews, the most in Winchester.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Halfway, 34 mi away
Ranked #4 because of its Google rating and trade focus: 4.5★ from 25 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Winchester
Ranked #5 because of its Google rating and review volume: 4.6★ from 189 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Martinsburg, 16 mi away
Ranked #6 because of its Google rating and review volume: 5.0★ from 42 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Annapolis, 2 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Front Royal, 23 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ashburn, 38 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Martinsburg, 38 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Purcellville, 28 mi away
Ranked #11 because of its Google rating and review volume: 4.8★ from 111 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Martinsburg, 17 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Gate, 38 mi away
Ranked #13 because of its Google rating and review volume: 5.0★ from 23 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charles Town, 19 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Gate, 38 mi away
Ranked #15 because of its Google rating and review volume: 4.9★ from 89 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hagerstown, 37 mi away
Ranked #16 because of its Google rating and review volume: 4.4★ from 72 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Frederick, 39 mi away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Leesburg, 35 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Concrete contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Leesburg, 34 mi away
Ranked #19 because of its Google rating and review volume: 4.8★ from 26 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Warrenton, 38 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
11 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 |
|---|---|---|
| Basement Detective Ashburn Office | 5.0★ (1) | 36 mi |
| Basement Solutions | 38 mi | |
| BC Concrete Foundations | 5.0★ (2) | 39 mi |
| D & D Painting & Repairs | 34 mi | |
| Dale Polk Masonry | 15 mi | |
| Green Standard Landscaping | 38 mi | |
| NV Foundation Repair Ashburn | 38 mi | |
| River Town Foundation Repair | 2 mi | |
| Seaboard Foundations | 29 mi | |
| Tri-State Concrete Inc | 39 mi | |
| Valle Concrete Contractors & More LLC | 4.8★ (36) | In Winchester |
National price ranges in USD, not adjusted for Winchester. 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 20 Winchester 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 Winchester 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 |