120 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Waldon: Attic Pros, CR Score 86/100; 4.8★ from 1,938 Google reviews; open 24/7.
Best for emergencies (open 24/7): Roof Doctors Contra Costa County, posts 24/7 hours; ranked #2 of 120.
Most-reviewed: Groundworks, 575 Google reviews at 4.8★, the most of 120 ranked after Attic Pros; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
120 Waldon foundation repair companies are ranked here by CR Score, from 8 published factors. 12 are open 24/7, 59 open Saturdays and 36 open Sundays, based on posted hours. The median Google rating is 4.8★ across 120 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Attic Pros | 86 | 4.8★ (1,938) | Oakland, 15 mi away | 24/7 | Overall |
| 2 | Roof Doctors Contra Costa County | 84 | 4.8★ (188) | Alamo, 4 mi away | 24/7 | Emergencies |
| 3 | Roof Doctors Alameda County | 82 | 5.0★ (87) | Alameda, 17 mi away | 24/7 | — |
| 4 | DE Group Roofing and Waterproofing Corporation | 80 | 5.0★ (3) | Walnut Creek, 2 mi away | 24/7 | — |
| 5 | Groundworks | 80 | 4.8★ (575) | Fairfield, 21 mi away | Sat · Sun · Evenings | Most reviews |
| 6 | Gotham Home Services | 79 | 5.0★ (33) | Dublin, 20 mi away | 24/7 | — |
| 7 | Albion Plumbing Rooter Inc - Plumber in Alameda, CA | 78 | 4.8★ (17) | San Leandro, 16 mi away | 24/7 | — |
| 8 | Roof Doctors San Joaquin County | 77 | 4.7★ (186) | Stockton, 39 mi away | 24/7 | — |
| 9 | ROOFWORX Inc. – Licensed Roofing Contractor in San Francisco | 77 | 4.9★ (98) | San Francisco, 23 mi away | 24/7 | — |
| 10 | ELM Roofing Contractors | 77 | 4.9★ (153) | San Mateo, 29 mi away | Sat · Sun | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 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 Google reviews on this list (1,938).
Based in Alamo, 4 mi away
Ranked #2 because of its Google rating and availability: 4.8★ from 188 Google reviews, open 24/7.
Based in Alameda, 17 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 87 Google reviews, open 24/7.
Based in Walnut Creek, 2 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based in Fairfield, 21 mi away
Ranked #5 because of its Google rating and review volume: 4.8★ from 575 Google reviews, 575 Google reviews.
Based in Dublin, 20 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 33 Google reviews, open 24/7.
Based in San Leandro, 16 mi away
Ranked #7 because of its Google rating and availability: 4.8★ from 17 Google reviews, open 24/7.
Based in Stockton, 39 mi away
Ranked #8 because of its Google rating and availability: 4.7★ from 186 Google reviews, open 24/7.
Based in San Francisco, 23 mi away
Ranked #9 because of its Google rating and availability: 4.9★ from 98 Google reviews, open 24/7.
Based in San Mateo, 29 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 153 Google reviews, open 7 days a week.
Based in Berkeley, 10 mi away
Ranked #11 because of its Google rating and availability: 4.6★ from 10 Google reviews, open 7 days a week.
Based in Fairfax, 26 mi away
Ranked #12 because of its Google rating and availability: 4.6★ from 40 Google reviews, open 24/7.
Based in San Francisco, 24 mi away
Ranked #13 because of its Google rating and availability: 4.7★ from 19 Google reviews, open 24/7.
Based in Pleasant Hill, 1 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 48 Google reviews, listed on Google as “Concrete contractor”.
Based in Richmond, 16 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 29 Google reviews, open 7 days a week.
Based in Alamo, 23 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Concrete contractor”.
Based in Oakland, 14 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 87 Google reviews, 87 Google reviews.
Based in Campbell, 37 mi away
Ranked #18 because of its Google rating and availability: 4.9★ from 101 Google reviews, open 7 days a week.
Based in Palo Alto, 35 mi away
Ranked #19 because of its Google rating and availability: 4.8★ from 51 Google reviews, open 7 days a week.
Based in San Mateo, 29 mi away
Ranked #20 because of its Google rating and availability: 4.9★ from 47 Google reviews, open 7 days a week.
Based in San Francisco, 27 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based in Alameda, 15 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 11 Google reviews, open 7 days a week.
Based in Redwood City, 30 mi away
Ranked #23 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
Based in Walnut Creek, 1 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 30 Google reviews, listed on Google as “Kitchen remodeler”.
Based in Sunnyvale, 36 mi away
Ranked #25 because of its Google rating and availability: 4.6★ from 162 Google reviews, open 7 days a week.
National price ranges in USD, not adjusted for Waldon. 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 120 Waldon foundation repair companies on 8 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. Unknown factors are left out of the score, 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 Waldon data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |