104 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lucas Valley-Marinwood: Attic Pros, CR Score 57/100; 4.8★ from 1,938 Google reviews; open 24/7.
Best for emergencies (open 24/7): Roof Doctors Marin County, posts 24/7 hours; ranked #2 of 104.
Most-reviewed: Groundworks, 575 Google reviews at 4.8★, the most of 104 ranked after Attic Pros; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
104 Lucas Valley-Marinwood foundation repair companies are ranked here by CR Score, from ten published factors. 13 are open 24/7, 56 open Saturdays and 32 open Sundays, based on posted hours. The median Google rating is 4.8★ across 104 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Attic Pros | 57 | 4.8★ (1,938) | Oakland, 30 mi away | 24/7 | Overall |
| 2 | Roof Doctors Marin County | 54 | 4.6★ (40) | Fairfax, 4 mi away | 24/7 | Emergencies |
| 3 | Gotham Home Services | 53 | 5.0★ (33) | Dublin, 14 mi away | 24/7 | — |
| 4 | Groundworks | 53 | 4.8★ (575) | Fairfield, 30 mi away | Sat · Sun · Evenings | Most reviews |
| 5 | Sustainable Living Builders, Inc | 53 | 4.9★ (84) | Sebastopol, 25 mi away | 24/7 | — |
| 6 | Roof Doctors Contra Costa County | 52 | 4.8★ (188) | Alamo, 33 mi away | 24/7 | — |
| 7 | Roof Doctors Sonoma County | 52 | 4.9★ (208) | Windsor, 37 mi away | 24/7 | — |
| 8 | Bay Area Moisture Control | 52 | 4.2★ (5) | Novato, 3 mi away | — | — |
| 9 | ROOFWORX Inc. – Licensed Roofing Contractor in San Francisco | 52 | 4.9★ (98) | San Francisco, 24 mi away | 24/7 | — |
| 10 | Pablo Restorations Roofing | 51 | 5.0★ (29) | Richmond, 14 mi away | Sat · Sun | — |
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 review volume: 4.8★ from 1,938 Google reviews, the most in Lucas Valley-Marinwood.
Based in Fairfax, 4 mi away
Ranked #2 because of its Google rating and availability: 4.6★ from 40 Google reviews, open 24/7.
Based in Dublin, 14 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 33 Google reviews, open 24/7.
Based in Fairfield, 30 mi away
Ranked #4 because of its Google rating and review volume: 4.8★ from 575 Google reviews.
Based in Sebastopol, 25 mi away
Ranked #5 because of its Google rating and review volume: 4.9★ from 84 Google reviews.
Based in Alamo, 33 mi away
Ranked #6 because of its Google rating and review volume: 4.8★ from 188 Google reviews.
Based in Windsor, 37 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 208 Google reviews.
Based in Novato, 3 mi away
Ranked #8 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Waterproofing service”.
Based in San Francisco, 24 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 98 Google reviews.
Based in Richmond, 14 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Roofing contractor”.
Based in Alameda, 39 mi away
Ranked #11 because of its Google rating and review volume: 5.0★ from 87 Google reviews.
Based in San Francisco, 19 mi away
Ranked #12 because of its Google rating and availability: 4.7★ from 19 Google reviews, open 24/7.
Based in Petaluma, 24 mi away
Ranked #13 because of its Google rating and review volume: 5.0★ from 47 Google reviews.
Based in Lucas Valley-Marinwood
Ranked #14 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Construction company”.
Based in San Mateo, 37 mi away
Ranked #15 because of its Google rating and review volume: 4.9★ from 153 Google reviews.
Based in Oakland, 23 mi away
Ranked #16 because of its Google rating and review volume: 5.0★ from 87 Google reviews.
Based in Santa Rosa, 30 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 62 Google reviews.
Based in San Rafael, 5 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “General contractor”.
Based in Pleasant Hill, 29 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 48 Google reviews, listed on Google as “Concrete contractor”.
Based in Alamo, 37 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Concrete contractor”.
Based in Petaluma, 14 mi away
Ranked #21 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Waterproofing service”.
Based in San Francisco, 18 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Stucco contractor”.
Based in Oakland, 29 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 10 Google reviews, listed on Google as “Waterproofing service”.
Based in Walnut Creek, 29 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Roofing contractor”.
Based in San Rafael, 7 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 41 Google reviews, listed on Google as “General contractor”.
#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 104 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 Lucas Valley-Marinwood. 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 104 Lucas Valley-Marinwood 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 Lucas Valley-Marinwood 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 |