58/100CR Score
Ranked #1 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
Best Foundation Repair Companies in Fairfield, CA (2026)
88 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Fairfield: Groundworks, CR Score 58/100; 4.8★ from 575 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): Attic Pros, posts 24/7 hours; ranked #2 of 88.
- 2
Most-reviewed: Attic Pros, 1,938 Google reviews at 4.8★, the most of 88 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
88 Fairfield foundation repair companies are ranked here by CR Score, from ten published factors. 8 are open 24/7, 40 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 4.8★ across 88 rated businesses.
Top 10 foundation repair companies in Fairfield at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Groundworks | 58 | 4.8★ (575) | Fairfield | Sat · Sun · Evenings | Overall |
| 2 | Attic Pros | 56 | 4.8★ (1,938) | Oakland, 36 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Roof Doctors Contra Costa County | 54 | 4.8★ (188) | Alamo, 24 mi away | 24/7 | — |
| 4 | Roof Doctors Alameda County | 51 | 5.0★ (87) | Alameda, 39 mi away | 24/7 | — |
| 5 | S.L Foundation Repair & Concrete Contractor | 51 | 4.7★ (48) | Pleasant Hill, 22 mi away | Sun · Evenings | — |
| 6 | Gotham Home Services | 50 | 5.0★ (33) | Dublin, 33 mi away | 24/7 | — |
| 7 | DE Group Roofing and Waterproofing Corporation | 50 | 5.0★ (3) | Walnut Creek, 24 mi away | 24/7 | — |
| 8 | Roof Doctors Marin County | 49 | 4.6★ (40) | Fairfax, 32 mi away | 24/7 | — |
| 9 | Northern California Roofing Co. | 49 | 4.7★ (107) | Vacaville, 11 mi away | — | — |
| 10 | Izzy Roofing & Waterproofing LLC | 49 | 5.0★ (5) | Florin, 11 mi away | Sat | — |
The 88 best foundation repair companies in Fairfield, 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.
#2 Attic Pros
Based in Oakland, 36 mi away
56/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 1,938 Google reviews, the most in Fairfield.
- 4.8★ from 1,938 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 718 Douglas Ave, Oakland, CA 94603
Based in Alamo, 24 mi away
54/100CR ScoreRanked #3 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
Based in Alameda, 39 mi away
51/100CR 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, 22 mi away
51/100CR 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 Dublin, 33 mi away
50/100CR ScoreRanked #6 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 Walnut Creek, 24 mi away
50/100CR 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 Fairfax, 32 mi away
49/100CR ScoreRanked #8 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
Based in Vacaville, 11 mi away
49/100CR ScoreRanked #9 because of its Google rating and review volume: 4.7★ from 107 Google reviews.
- 4.7★ from 107 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 859 Cotting Ct Suite A, Vacaville, CA 95688
Based in Florin, 11 mi away
49/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 5 Google reviews
- Hours
- Mon–Thu 8 AM–5:30 PM · Fri–Sat 8 AM–3:33 PM · Sun closed
Based in Berkeley, 28 mi away
49/100CR ScoreRanked #11 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 Richmond, 27 mi away
49/100CR ScoreRanked #12 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 Petaluma, 34 mi away
49/100CR ScoreRanked #13 because of its Google rating and review volume: 5.0★ from 47 Google reviews.
- 5.0★ from 47 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
#14 Geico Builders
Based in Oakland, 33 mi away
49/100CR ScoreRanked #14 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 Benicia, 15 mi away
49/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 23 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 10 AM–5 PM · Sun closed
- Address
- 226 W J St, Benicia, CA 94510
Based in Fairfield
48/100CR ScoreRanked #16 because of its Google rating and trade focus: 1.8★ from 5 Google reviews, listed on Google as “Roofing contractor”.
- 1.8★ from 5 Google reviews
- Hours
- Mon–Sat 6:30 AM–6 PM · Sun 8 AM–2 PM
Based in West Sacramento, 35 mi away
48/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.5★ from 12 Google reviews, listed on Google as “Waterproofing service”.
- 4.5★ from 12 Google reviews
- Hours
- Mon–Fri 7 AM–4 PM · Sat–Sun closed
- Address
- 920 Stillwater Rd #140, West Sacramento, CA 95605
Based in Benicia, 12 mi away
48/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.1★ from 31 Google reviews, listed on Google as “Concrete contractor”.
- 4.1★ from 31 Google reviews
- Hours
- Mon–Thu 8 AM–5 PM · Fri 8 AM–4:30 PM · Sat–Sun closed
Based in Oakland, 36 mi away
48/100CR ScoreRanked #19 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 San Leandro, 37 mi away
48/100CR ScoreRanked #20 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 Novato, 30 mi away
48/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Waterproofing service”.
- 4.2★ from 5 Google reviews
- Hours
- Mon–Fri 8:30 AM–4:30 PM · Sat–Sun closed
- Address
- 67 Galli Dr Suite C, Novato, CA 94949
Based in Oakland, 34 mi away
47/100CR ScoreRanked #22 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 San Francisco, 40 mi away
47/100CR ScoreRanked #23 because of its Google rating and availability: 4.7★ from 19 Google reviews, open 24/7.
- 4.7★ from 19 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3736 Geary Blvd, San Francisco, CA 94118
Based in Walnut Creek, 23 mi away
47/100CR ScoreRanked #24 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
Based in Concord, 17 mi away
47/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Painter”.
- 5.0★ from 13 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 9 AM–12 PM · Sun closed
- Address
- 3555 Skylark Dr, Concord, CA 94520
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 88 ranked foundation repair companies here; the rest are on their profiles.
Also serving Fairfield
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) | 28 mi |
| All Valley Paving Fairfield | 5.0★ (12) | In Fairfield |
| C&C Plumbing | 4.5★ (37) | In Fairfield |
| Concrete & Synthetic Turf | In Fairfield | |
| Connor & Sons Concrete Inc | 5.0★ (18) | In Fairfield |
| Crusader Concrete | 5.0★ (5) | In Fairfield |
| DDU Concrete Company Inc. | 5.0★ (12) | In Fairfield |
| Fairfield Concrete Company | 5.0★ (1) | In Fairfield |
| Fausto Concrete Inc | 5.0★ (4) | In Fairfield |
| jch concrete construction | 4.8★ (16) | In Fairfield |
| JRP Concrete Construction | 5.0★ (9) | In Fairfield |
| M & J Builders Inc | In Fairfield | |
| Marroquin's General Construction | 5.0★ (11) | In Fairfield |
| Mt Diablo Flooring Systems Inc | 5.0★ (2) | 19 mi |
| Napa Concrete Contractors | 5.0★ (1) | In Fairfield |
| Nor Cal Waterproofing | 5.0★ (2) | 25 mi |
| Norris Steel | 5.0★ (3) | In Fairfield |
| Soodo Construction | 5.0★ (2) | 31 mi |
| Vallejo Concrete Contractors | 5.0★ (2) | In Fairfield |
| Wise Roofing Solutions of Concord | 4.0★ (2) | 21 mi |
How much do foundation repair companies cost in Fairfield?
National price ranges in USD, not adjusted for Fairfield. 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 Fairfield foundation repair companies
We scored 88 Fairfield 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 Fairfield 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 Fairfield: frequently asked questions
Who is the best foundation repair company in Fairfield?
By CR Score, the highest-ranked foundation repair company in Fairfield, CA is Groundworks with a CR Score of 58/100. It has 4.8★ from 575 Google reviews. It is open 7 days a week. Attic Pros (#2) and Roof Doctors Contra Costa County (#3) follow. We ranked 88 foundation repair companies on ten factors, last updated October 22, 2026.
How many foundation repair companies are there in Fairfield?
ContractorsRanked ranks 88 foundation repair companies serving Fairfield, CA. 2 of them are based in Fairfield; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which foundation repair companies in Fairfield are open 24/7?
8 ranked foundation repair companies in Fairfield post 24/7 hours. The highest-ranked are Attic Pros (#2), Roof Doctors Contra Costa County (#3) 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 Fairfield work on weekends?
40 of 88 ranked foundation repair companies post Saturday hours and 22 post Sunday hours. The highest-ranked open Saturdays are Groundworks (#1), Attic Pros (#2) and Roof Doctors Contra Costa County (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Fairfield?
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 Fairfield. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Fairfield foundation repair companies have?
The median Google rating among 88 rated foundation repair companies in Fairfield is 4.8★, with a median of 12 reviews. Attic Pros has the most, 1,938 reviews, and ranks #2. 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 Fairfield count in this ranking?
Yes, if they are within 40 mi of the Fairfield 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 Fairfield
- October 2026: CR Scores recalculated for 88 foundation repair companies serving Fairfield.
More foundation repair companies and Fairfield pages
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Other trades in Fairfield
- Roofers in Fairfield531 ranked
- Plumbers in Fairfield269 ranked
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- HVAC contractors in Fairfield255 ranked
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- Bathroom remodelers in Fairfield165 ranked
- Flooring contractors in Fairfield115 ranked
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