58/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 1,938 Google reviews, the most in Clayton.
- 4.8★ from 1,938 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 718 Douglas Ave, Oakland, CA 94603
Best Foundation Repair Companies in Clayton, CA (2026)
120 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Clayton: Attic Pros, CR Score 58/100; 4.8★ from 1,938 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Roof Doctors Contra Costa County, posts 24/7 hours; ranked #2 of 120.
- 3
Most-reviewed: Groundworks, 575 Google reviews at 4.8★, the most of 120 ranked after Attic Pros; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
120 Clayton foundation repair companies are ranked here by CR Score, from ten published factors. 13 are open 24/7, 61 open Saturdays and 38 open Sundays, based on posted hours. The median Google rating is 4.8★ across 120 rated businesses.
Top 10 foundation repair companies in Clayton at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Attic Pros | 58 | 4.8★ (1,938) | Oakland, 20 mi away | 24/7 | Overall |
| 2 | Roof Doctors Contra Costa County | 57 | 4.8★ (188) | Alamo, 5 mi away | 24/7 | Emergencies |
| 3 | Groundworks | 54 | 4.8★ (575) | Fairfield, 22 mi away | Sat · Sun · Evenings | Most reviews |
| 4 | Roof Doctors Alameda County | 54 | 5.0★ (87) | Alameda, 19 mi away | 24/7 | — |
| 5 | S.L Foundation Repair & Concrete Contractor | 53 | 4.7★ (48) | Pleasant Hill, 7 mi away | Sun · Evenings | — |
| 6 | Royalty Roofing & Waterproof | 52 | 4.6★ (10) | Berkeley, 6 mi away | Sat · Sun | — |
| 7 | DE Group Roofing and Waterproofing Corporation | 52 | 5.0★ (3) | Walnut Creek, 8 mi away | 24/7 | — |
| 8 | Roof Doctors San Joaquin County | 52 | 4.7★ (186) | Stockton, 33 mi away | 24/7 | — |
| 9 | Golden Bay Foundation Builders | 51 | 4.9★ (62) | Alamo, 26 mi away | Sat | — |
| 10 | Gotham Home Services | 51 | 5.0★ (33) | Dublin, 27 mi away | 24/7 | — |
The 120 best foundation repair companies in Clayton, ranked
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.
Based in Alamo, 5 mi away
57/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 188 Google reviews.
- 4.8★ from 188 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#3 Groundworks
Based in Fairfield, 22 mi away
54/100CR ScoreRanked #3 because of its Google rating and review volume: 4.8★ from 575 Google reviews.
- 4.8★ from 575 Google reviews
- Hours
- Mon–Fri 4 AM–8 PM · Sat 5 AM–8 PM · Sun 7 AM–8 PM
- Address
- 2333 Courage Dr STE C, Fairfield, CA 94533
Based in Alameda, 19 mi away
54/100CR ScoreRanked #4 because of its Google rating and review volume: 5.0★ from 87 Google reviews.
- 5.0★ from 87 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Pleasant Hill, 7 mi away
53/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 48 Google reviews, listed on Google as “Concrete contractor”.
- 4.7★ from 48 Google reviews
- Hours
- Mon–Thu 5 AM–9:30 PM · Fri 5 AM–4:30 PM · Sat closed · Sun 5 AM–9:30 PM
- Address
- 3478 Buskirk Ave, Pleasant Hill, CA 94523
Based in Berkeley, 6 mi away
52/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Roofing contractor”.
- 4.6★ from 10 Google reviews
- Hours
- Mon–Sun 7 AM–6 PM
Based in Walnut Creek, 8 mi away
52/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1990 N California Blvd 8th Floor #1270, Walnut Creek, CA 94596
Based in Stockton, 33 mi away
52/100CR ScoreRanked #8 because of its Google rating and review volume: 4.7★ from 186 Google reviews.
- 4.7★ from 186 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2431 W March Ln #200, Stockton, CA 95207
Based in Alamo, 26 mi away
51/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Concrete contractor”.
- 4.9★ from 62 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
Based in Dublin, 27 mi away
51/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 33 Google reviews, open 24/7.
- 5.0★ from 33 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in San Mateo, 33 mi away
51/100CR ScoreRanked #11 because of its Google rating and review volume: 4.9★ from 153 Google reviews.
- 4.9★ from 153 Google reviews
- Hours
- Mon–Sun 9 AM–6 PM
- Address
- 1900 S Norfolk St #394, San Mateo, CA 94403
#12 Geico Builders
Based in Oakland, 20 mi away
51/100CR ScoreRanked #12 because of its Google rating and review volume: 5.0★ from 87 Google reviews.
- 5.0★ from 87 Google reviews
- Hours
- Mon–Fri 9 AM–7 PM · Sat closed · Sun 9 AM–6 PM
- Address
- 1901 Harrison St Ste 1100, Oakland, CA 94612
Based in Manteca, 40 mi away
51/100CR ScoreRanked #13 because of its Google rating and review volume: 5.0★ from 80 Google reviews.
- 5.0★ from 80 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in San Francisco, 29 mi away
51/100CR ScoreRanked #14 because of its Google rating and review volume: 4.9★ from 98 Google reviews.
- 4.9★ from 98 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1485 Bayshore Blvd 182 suite 418, San Francisco, CA 94124
Based in Oakland, 20 mi away
50/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 10 Google reviews, listed on Google as “Waterproofing service”.
- 4.7★ from 10 Google reviews
- Hours
- Mon–Fri 6 AM–3 PM · Sat–Sun closed
- Address
- 465 Roland Way, Oakland, CA 94621
Based in Palo Alto, 37 mi away
50/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Concrete contractor”.
- 4.8★ from 51 Google reviews
- Hours
- Mon–Fri 7 AM–8 PM · Sat 6:30 AM–7 PM · Sun 7 AM–8 PM
- Address
- 260 Sheridan Ave, Palo Alto, CA 94306
Based in San Leandro, 21 mi away
50/100CR ScoreRanked #17 because of its Google rating and availability: 4.8★ from 17 Google reviews, open 24/7.
- 4.8★ from 17 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 466 Whitney St, San Leandro, CA 94577
Based in Livermore, 19 mi away
50/100CR ScoreRanked #18 because of its Google rating and review volume: 4.4★ from 208 Google reviews.
- 4.4★ from 208 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 1813 Rutan Dr Unit A, Livermore, CA 94551
Based in Richmond, 23 mi away
50/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 29 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 7 AM–3 PM · Sun 9 AM–3 PM
- Address
- 2124 Hellings Ave, Richmond, CA 94801
Based in Walnut Creek, 5 mi away
50/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.3★ from 16 Google reviews, listed on Google as “Roofing contractor”.
- 4.3★ from 16 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat–Sun closed
- Address
- 2855 Mitchell Dr #100, Walnut Creek, CA 94598
Based in Walnut Creek, 8 mi away
50/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 30 Google reviews, listed on Google as “Kitchen remodeler”.
- 4.7★ from 30 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 2072 Essenay Ave, Walnut Creek, CA 94597
#22 EM Energy & Air
Based in Campbell, 38 mi away
49/100CR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 101 Google reviews.
- 4.9★ from 101 Google reviews
- Hours
- Mon–Sun 8 AM–7 PM
Based in Hayward, 23 mi away
49/100CR ScoreRanked #23 because of its Google rating and review volume: 4.8★ from 83 Google reviews.
- 4.8★ from 83 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 8 AM–1 PM · Sun closed
- Address
- 23135 Saklan Rd, Hayward, CA 94545
Based in Oakland, 21 mi away
49/100CR ScoreRanked #24 because of its Google rating and review volume: 4.8★ from 68 Google reviews.
- 4.8★ from 68 Google reviews
- Hours
- Mon–Fri 5 AM–9:30 PM · Sat closed · Sun 5 AM–9:30 PM
- Address
- 330 2nd St, Oakland, CA 94607
Based in Fairfax, 33 mi away
49/100CR ScoreRanked #25 because of its Google rating and availability: 4.6★ from 40 Google reviews, open 24/7.
- 4.6★ from 40 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Foundation repair companies ranked #26 to #50
#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 120 ranked foundation repair companies here; the rest are on their profiles.
Also serving Clayton
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&J Quality General Construction Services | 5.0★ (2) | 23 mi |
| AAA Roofing and Waterproofing, LLC. | 5.0★ (2) | 31 mi |
| All Weather Roofing | Residential Roofing Stockton | Commercial Roofing Stockton | Roof Repair Stockton | 5.0★ (2) | 36 mi |
| AP & Deck Waterproofing Systems, Inc. | In Clayton | |
| Built ICON | In Clayton | |
| Cal Cade Construction | 5.0★ (2) | 28 mi |
| D L C CONCRETE | 5.0★ (2) | 20 mi |
| Elite Roofing & Waterproofing | 3.0★ (2) | 21 mi |
| Heldy Andrade Painting Inc. | 5.0★ (2) | 34 mi |
| KH Waterproofing And Restoration | 5.0★ (2) | 21 mi |
| LCI Green Contractor Inc | 5.0★ (2) | 36 mi |
| Lone Mountain Homes Inc | 5.0★ (2) | 30 mi |
| Mt Diablo Flooring Systems Inc | 5.0★ (2) | 6 mi |
| Nor Cal Waterproofing | 5.0★ (2) | 10 mi |
| Panda Heating & Cooling | 3.5★ (2) | 20 mi |
| Soodo Construction | 5.0★ (2) | 19 mi |
| The Restoration & Waterproofing Co., Inc. | 5.0★ (2) | 30 mi |
| UFcastro painting and waterproofing | 5.0★ (2) | 33 mi |
| Windsor Waterproofing | 5.0★ (2) | 27 mi |
| Wise Roofing Solutions of Concord | 4.0★ (2) | 1 mi |
How much do foundation repair companies cost in Clayton?
National price ranges in USD, not adjusted for Clayton. 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 |
How we ranked Clayton foundation repair companies
We scored 120 Clayton 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 Clayton 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 |
Foundation repair companies in Clayton: frequently asked questions
Who is the best foundation repair company in Clayton?
By CR Score, the highest-ranked foundation repair company in Clayton, CA is Attic Pros with a CR Score of 58/100. It has 4.8★ from 1,938 Google reviews. It is open 24/7. Roof Doctors Contra Costa County (#2) and Groundworks (#3) follow. We ranked 120 foundation repair companies on ten factors, last updated October 22, 2026.
How many foundation repair companies are there in Clayton?
ContractorsRanked ranks 120 foundation repair companies serving Clayton, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which foundation repair companies in Clayton are open 24/7?
13 ranked foundation repair companies in Clayton post 24/7 hours. The highest-ranked are Attic Pros (#1), Roof Doctors Contra Costa County (#2) and Roof Doctors Alameda County (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Clayton work on weekends?
61 of 120 ranked foundation repair companies post Saturday hours and 38 post Sunday hours. The highest-ranked open Saturdays are Attic Pros (#1), Roof Doctors Contra Costa County (#2) and Groundworks (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Clayton?
Foundation repair typically costs $2,225 to $8,133, with $5,174 typical (Per project: typical range of customer-reported repairs. US national range). This is a national range, not adjusted for Clayton. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Clayton foundation repair companies have?
The median Google rating among 120 rated foundation repair companies in Clayton is 4.8★, with a median of 15 reviews. Attic Pros has the most, 1,938 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank foundation repair companies?
Each foundation repair company gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do foundation repair companies outside Clayton count in this ranking?
Yes, if they are within 40 mi of the Clayton city center, our service radius for foundation repair companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Clayton
- October 2026: CR Scores recalculated for 120 foundation repair companies serving Clayton.
More foundation repair companies and Clayton pages
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