36 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Winters: Groundworks, CR Score 56/100; 4.8★ from 575 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): F.D. Thomas, Inc. (FDT), posts 24/7 hours; ranked #9 of 36.
Most-reviewed: Northern California Roofing Co., 107 Google reviews at 4.7★, the most of 36 ranked after Groundworks; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
36 Winters foundation repair companies are ranked here by CR Score, from ten published factors. 1 is open 24/7, 17 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.7★ across 36 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Groundworks | 56 | 4.8★ (575) | Fairfield, 21 mi away | Sat · Sun · Evenings | Overall |
| 2 | Northern California Roofing Co. | 51 | 4.7★ (107) | Vacaville, 9 mi away | — | Most reviews |
| 3 | QXO (Waterproofing) | 51 | 4.5★ (12) | West Sacramento, 23 mi away | — | — |
| 4 | QXO (Waterproofing) | 50 | 4.7★ (18) | Sacramento, 31 mi away | — | — |
| 5 | Stronghold Foundation Repair | 50 | 5.0★ (11) | Sacramento, 28 mi away | Sat · Sun · Evenings | — |
| 6 | A + Superior Roofing LLC | 49 | 4.8★ (38) | Rio Linda, 31 mi away | Sat · Sun · Evenings | — |
| 7 | Modern Summit Roofing Contractor | 49 | 5.0★ (47) | Petaluma, 38 mi away | Sat · Sun · Evenings | — |
| 8 | Milton's Concrete Sacramento Concrete Contractor | 49 | 4.9★ (55) | Sacramento, 31 mi away | Sat | — |
| 9 | F.D. Thomas, Inc. (FDT) | 48 | 4.6★ (19) | Sacramento, 29 mi away | 24/7 | Emergencies |
| 10 | NorCal Foundation Support | 48 | 4.1★ (31) | Benicia, 21 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 review volume: 4.8★ from 575 Google reviews, the most in Winters.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vacaville, 9 mi away
Ranked #2 because of its Google rating and review volume: 4.7★ from 107 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Sacramento, 23 mi away
Ranked #3 because of its Google rating and trade focus: 4.5★ from 12 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sacramento, 31 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 18 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sacramento, 28 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rio Linda, 31 mi away
Ranked #6 because of its Google rating and review volume: 4.8★ from 38 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Petaluma, 38 mi away
Ranked #7 because of its Google rating and review volume: 5.0★ from 47 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sacramento, 31 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 55 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sacramento, 29 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 19 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Benicia, 21 mi away
Ranked #10 because of its Google rating and trade focus: 4.1★ from 31 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rancho Cordova, 39 mi away
Ranked #11 because of its Google rating and trade focus: 4.4★ from 8 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Florin, 27 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Rosa, 39 mi away
Ranked #13 because of its Google rating and review volume: 4.5★ from 27 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Rosa, 38 mi away
Ranked #14 because of its Google rating and review volume: 5.0★ from 27 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Benicia, 34 mi away
Ranked #15 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 Elk Grove, 38 mi away
Ranked #16 because of its Google rating and review volume: 4.8★ from 32 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sacramento, 30 mi away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Petaluma, 13 mi away
Ranked #18 because of its Google rating and trade focus: 4.5★ from 10 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Winters
Ranked #19 because of its Google rating and trade focus: 3.3★ from 3 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oakley, 38 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 15 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cotati, 39 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 36 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Painter”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairfield, 25 mi away
Ranked #23 because of its Google rating and trade focus: 1.8★ from 5 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sacramento, 30 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sacramento, 33 mi away
Ranked #25 because of its Google rating and trade focus: 2.3★ from 3 Google reviews, listed on Google as “General contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#1 to #25 are shown in full above. Here are #26 to #36, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | NorCal Ram Jack | 44 | 4.0★ (43) | 31 mi |
| 27 | Reliable roof repairs | 44 | 5.0★ (3) | 28 mi |
| 28 | Bigelow Construction Services | 44 | 5.0★ (10) | 29 mi |
| 29 | All Seasons North Roofing & Waterproofing | 43 | 4.3★ (6) | 39 mi |
| 30 | SDI Services | 43 | 4.1★ (17) | 29 mi |
| 31 | Jarrett Foundations, Inc | 43 | 3.7★ (3) | 32 mi |
| 32 | BCR Construction Corporation | 42 | 5.0★ (5) | 40 mi |
| 33 | High End Development Inc | 42 | 3.7★ (22) | 32 mi |
| 34 | Creative Falls | 42 | 5.0★ (3) | 38 mi |
| 35 | The Roofer | 41 | 4.2★ (5) | 33 mi |
| 36 | Rescue Concrete Inc | 40 | 3.7★ (3) | 33 mi |
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 |
|---|---|---|
| A.S.A. Drilling and Foundation | 23 mi | |
| Acecal Waterproofing & Decking | 1.0★ (1) | 26 mi |
| Eco Foundation Systems | 1.0★ (1) | 34 mi |
| Everest Roofing | 31 mi | |
| Fitzpatrick Construction Inc | 5.0★ (4) | In Winters |
| Foundation Repair of CA | 5.0★ (1) | 37 mi |
| GD & Son Builders | 32 mi | |
| Horsley’s Roofing Repair | 27 mi | |
| Izzy Roofing & Waterproofing L.L.C. | 30 mi | |
| Larios and Sons Concrete | 5.0★ (1) | 38 mi |
| Modern Surfaces Remodeling LLC | 5.0★ (1) | 15 mi |
| Mt Diablo Flooring Systems Inc | 5.0★ (2) | 36 mi |
| Sacramento Maintenance Masters | 5.0★ (1) | 37 mi |
| Sacramento Shower Pans | 5.0★ (1) | 39 mi |
| Schnabel Foundation | 3.0★ (2) | 31 mi |
| Solar Foundation Solutions, Inc | 32 mi | |
| SW Mertz Masonry Specialists | 4.5★ (2) | In Winters |
| Thoroughbred WaterProofing | 5.0★ (1) | 40 mi |
| West Coast Hot Mop Sacramento | 30 mi | |
| Wise Roofing Solutions of Concord | 4.0★ (2) | 40 mi |
National price ranges in USD, not adjusted for Winters. 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 36 Winters 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 Winters 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 |